ClaudeLog: jmap-tester-coverage

rjbs 16:05:58
This project is a CPAN distribution. Produce a coverage report, which you can do with `dzil cover`. Find low-hanging fruit to add test coverage and draft the tests.
Claude 16:06:01
Thinking
raw

Let me start by understanding the project structure and then run the coverage report.

Let me start by understanding the project structure and then run the coverage report.
raw

I'll start by exploring the project structure and running the coverage report in parallel.

I'll start by exploring the project structure and running the coverage report in parallel.
Task (Explore) — Explore project structure
Prompt:
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Explore this Perl CPAN distribution project. I need to understand:

  1. The overall structure (lib/, t/, etc.)
  2. What modules exist in lib/
  3. What test files exist in t/
  4. The main module and its purpose

Do NOT edit any files. Just report what you find.

Explore this Perl CPAN distribution project. I need to understand: 1. The overall structure (lib/, t/, etc.) 2. What modules exist in lib/ 3. What test files exist in t/ 4. The main module and its purpose Do NOT edit any files. Just report what you find.
Bash — Run dzil cover to generate coverage report
dzil cover 2>&1
Task Result (Explore) — Explore project structure
raw

Perfect! Now let me create a final comprehensive summary of what I found:

  • Exploration Report: JMAP-Tester Perl CPAN Distribution

  • Project Overview

JMAP-Tester is a Perl CPAN distribution that provides a test client for testing JMAP (JSON Mail Access Protocol) servers. The project is authored by Ricardo Signes and is copyright Fastmail Pty. Ltd (2016+). The distribution uses Perl v5.20.0 and modern Perl patterns (Moo, signatures).

  • Overall Directory Structure

JMAP-Tester/
├── lib/                    # Main module library
├── t/                      # Test files
├── eg/                     # Example files
├── dist.ini                # Distribution configuration
├── Changes                 # Changelog (version history)
├── .gitignore             # Git ignore rules
├── .mailmap               # Email address mappings
└── .github/               # GitHub configuration
  • Main Modules in lib/ (24 total modules)

Core Module:

  • /lib/JMAP/Tester.pm - Main client class for JMAP testing

Response Handling:

  • /lib/JMAP/Tester/Response.pm - Successful JMAP response container
  • /lib/JMAP/Tester/Response/Paragraph.pm - Groups sentences with same client_id
  • /lib/JMAP/Tester/Response/Sentence.pm - Individual method response
  • /lib/JMAP/Tester/Response/Sentence/Set.pm - Special handling for Set-type sentences

Result/Failure Handling:

  • /lib/JMAP/Tester/Result/Auth.pm - Authentication result
  • /lib/JMAP/Tester/Result/Download.pm - Download operation result
  • /lib/JMAP/Tester/Result/Failure.pm - Failure result
  • /lib/JMAP/Tester/Result/Logout.pm - Logout operation result
  • /lib/JMAP/Tester/Result/Upload.pm - Upload operation result

Roles (interfaces/mixins):

  • /lib/JMAP/Tester/Role/Result.pm - Base role for results
  • /lib/JMAP/Tester/Role/HTTPResult.pm - HTTP response handling
  • /lib/JMAP/Tester/Role/UA.pm - User agent role
  • /lib/JMAP/Tester/Role/SentenceCollection.pm - Collection of sentences
  • /lib/JMAP/Tester/Role/SentenceBroker.pm - Sentence broker role

User Agents (HTTP clients):

  • /lib/JMAP/Tester/UA/LWP.pm - LWP-based user agent
  • /lib/JMAP/Tester/UA/Async.pm - Async user agent

Logging:

  • /lib/JMAP/Tester/Logger.pm - Base logger
  • /lib/JMAP/Tester/Logger/HTTP.pm - HTTP request/response logging
  • /lib/JMAP/Tester/Logger/Null.pm - No-op logger
  • /lib/JMAP/Tester/LogWriter.pm - Log file writing utilities

Utilities:

  • /lib/JMAP/Tester/Abort.pm - Abort/error signaling mechanism

  • /lib/JMAP/Tester/SentenceBroker.pm - Manages sentence access

  • /lib/JMAP/Tester/Sugar.pm - Sugar/helper functions

  • Test Files in t/ (4 test files)

  1. t/basic.t - Core functionality tests:

    • Response parsing and structure (paragraphs, sentences)
    • Sentence assertion methods (assert_named)
    • Set sentence operations (updated, notUpdated, notDestroyed)
    • Error handling and abort mechanism
    • JSON type handling with JSON::Typist
    • HTTP response interpretation
  2. t/mock.t - Mock server tests (location: /t/)

  3. t/sugar.t - Sugar/helper function tests (location: /t/)

  4. t/lib/JMAP/Tester/MockServer.pm - Mock JMAP server implementation for testing

  • Key Features & Capabilities

Main JMAP::Tester class provides:

  • JMAP request sending (request() method)
  • File upload support (upload() method)
  • File download support (download() method)
  • Client session management (get_client_session(), update_client_session())
  • Authentication/logout (logout() method)
  • HTTP request abstraction (http_request(), http_get(), http_post())
  • JWT token signing for downloads
  • Future/async support (can return Future objects)
  • JSON encoding/decoding with JSON::XS
  • JSON type preservation via JSON::Typist
  • Request logging via pluggable loggers
  • Default arguments and capabilities handling

Response/Result handling:

  • Responses organized as Paragraphs (same client_id) containing Sentences (method responses)
  • Assertion methods for validation (assert_n_paragraphs, assert_n_sentences, single_sentence, etc.)
  • Access to stripped (JSON::Typist types removed) and typed response data
  • Special Set sentence handling for create/update/destroy operations

User-Agent abstraction:

  • LWP-based HTTP client (with keepalive support)
  • Async HTTP client option
  • Extensible UA interface

Logging:

  • HTTP logger for request/response logging

  • Configurable via JMAP_TESTER_LOGGER environment variable

  • Support for custom log writers

  • Project Metadata

  • Version: 0.109 (as of latest commit)

  • License: Perl 5 License

  • Perl requirement: v5.20.0+

  • Recent changes (from Changes file):

    • v0.109: Fixed HTTP Logger compilation error
    • v0.108: Improved test coverage, replaced UA::Test with LWP/LWP::Protocol::PSGI
    • v0.107: Added hand-crafted JSON support, switched to JSON::XS
    • v0.106: Added "ident" property for request logging
    • v0.105: Added second argument to download, keepalive support

This is a well-structured, mature Perl testing library for validating JMAP server implementations. agentId: ab3e266 (for resuming to continue this agent's work if needed) total_tokens: 59262 tool_uses: 10 duration_ms: 32913

Perfect! Now let me create a final comprehensive summary of what I found: ## Exploration Report: JMAP-Tester Perl CPAN Distribution ### Project Overview **JMAP-Tester** is a Perl CPAN distribution that provides a test client for testing JMAP (JSON Mail Access Protocol) servers. The project is authored by Ricardo Signes and is copyright Fastmail Pty. Ltd (2016+). The distribution uses Perl v5.20.0 and modern Perl patterns (Moo, signatures). ### Overall Directory Structure ``` JMAP-Tester/ ├── lib/ # Main module library ├── t/ # Test files ├── eg/ # Example files ├── dist.ini # Distribution configuration ├── Changes # Changelog (version history) ├── .gitignore # Git ignore rules ├── .mailmap # Email address mappings └── .github/ # GitHub configuration ``` ### Main Modules in lib/ (24 total modules) **Core Module:** - `/lib/JMAP/Tester.pm` - Main client class for JMAP testing **Response Handling:** - `/lib/JMAP/Tester/Response.pm` - Successful JMAP response container - `/lib/JMAP/Tester/Response/Paragraph.pm` - Groups sentences with same client_id - `/lib/JMAP/Tester/Response/Sentence.pm` - Individual method response - `/lib/JMAP/Tester/Response/Sentence/Set.pm` - Special handling for Set-type sentences **Result/Failure Handling:** - `/lib/JMAP/Tester/Result/Auth.pm` - Authentication result - `/lib/JMAP/Tester/Result/Download.pm` - Download operation result - `/lib/JMAP/Tester/Result/Failure.pm` - Failure result - `/lib/JMAP/Tester/Result/Logout.pm` - Logout operation result - `/lib/JMAP/Tester/Result/Upload.pm` - Upload operation result **Roles (interfaces/mixins):** - `/lib/JMAP/Tester/Role/Result.pm` - Base role for results - `/lib/JMAP/Tester/Role/HTTPResult.pm` - HTTP response handling - `/lib/JMAP/Tester/Role/UA.pm` - User agent role - `/lib/JMAP/Tester/Role/SentenceCollection.pm` - Collection of sentences - `/lib/JMAP/Tester/Role/SentenceBroker.pm` - Sentence broker role **User Agents (HTTP clients):** - `/lib/JMAP/Tester/UA/LWP.pm` - LWP-based user agent - `/lib/JMAP/Tester/UA/Async.pm` - Async user agent **Logging:** - `/lib/JMAP/Tester/Logger.pm` - Base logger - `/lib/JMAP/Tester/Logger/HTTP.pm` - HTTP request/response logging - `/lib/JMAP/Tester/Logger/Null.pm` - No-op logger - `/lib/JMAP/Tester/LogWriter.pm` - Log file writing utilities **Utilities:** - `/lib/JMAP/Tester/Abort.pm` - Abort/error signaling mechanism - `/lib/JMAP/Tester/SentenceBroker.pm` - Manages sentence access - `/lib/JMAP/Tester/Sugar.pm` - Sugar/helper functions ### Test Files in t/ (4 test files) 1. **`t/basic.t`** - Core functionality tests: - Response parsing and structure (paragraphs, sentences) - Sentence assertion methods (assert_named) - Set sentence operations (updated, notUpdated, notDestroyed) - Error handling and abort mechanism - JSON type handling with JSON::Typist - HTTP response interpretation 2. **`t/mock.t`** - Mock server tests (location: /t/) 3. **`t/sugar.t`** - Sugar/helper function tests (location: /t/) 4. **`t/lib/JMAP/Tester/MockServer.pm`** - Mock JMAP server implementation for testing ### Key Features & Capabilities **Main JMAP::Tester class provides:** - JMAP request sending (`request()` method) - File upload support (`upload()` method) - File download support (`download()` method) - Client session management (`get_client_session()`, `update_client_session()`) - Authentication/logout (`logout()` method) - HTTP request abstraction (`http_request()`, `http_get()`, `http_post()`) - JWT token signing for downloads - Future/async support (can return `Future` objects) - JSON encoding/decoding with `JSON::XS` - JSON type preservation via `JSON::Typist` - Request logging via pluggable loggers - Default arguments and capabilities handling **Response/Result handling:** - Responses organized as Paragraphs (same client_id) containing Sentences (method responses) - Assertion methods for validation (assert_n_paragraphs, assert_n_sentences, single_sentence, etc.) - Access to stripped (JSON::Typist types removed) and typed response data - Special Set sentence handling for create/update/destroy operations **User-Agent abstraction:** - LWP-based HTTP client (with keepalive support) - Async HTTP client option - Extensible UA interface **Logging:** - HTTP logger for request/response logging - Configurable via `JMAP_TESTER_LOGGER` environment variable - Support for custom log writers ### Project Metadata - **Version:** 0.109 (as of latest commit) - **License:** Perl 5 License - **Perl requirement:** v5.20.0+ - **Recent changes** (from Changes file): - v0.109: Fixed HTTP Logger compilation error - v0.108: Improved test coverage, replaced UA::Test with LWP/LWP::Protocol::PSGI - v0.107: Added hand-crafted JSON support, switched to JSON::XS - v0.106: Added "ident" property for request logging - v0.105: Added second argument to download, keepalive support This is a well-structured, mature Perl testing library for validating JMAP server implementations. agentId: ab3e266 (for resuming to continue this agent's work if needed) <usage>total_tokens: 59262 tool_uses: 10 duration_ms: 32913</usage>
Thinking
raw

Let me analyze the coverage report to identify low-hanging fruit. The modules with the lowest coverage are:

  1. JMAP/Tester/Role/Result.pm - 50.0% total (51.5% stmt, 0% branch, 0% cond, 66.6% sub)

  2. JMAP/Tester/Response/Sentence/Set.pm - 55.3% total (52.2% stmt, 57.1% branch, 41.6% cond, 52.1% sub)

  3. JMAP/Tester/UA/LWP.pm - 54.0% total (60.3% stmt, 50% branch, 14.2% cond, 69.2% sub)

  4. JMAP/Tester/Logger/Null.pm - 62.9% total (100% stmt but 81.8% sub)

  5. JMAP/Tester/LogWriter.pm - 64.9% total (72.9% stmt, 0% branch, 76.9% sub)

I'm looking for quick wins that don't require complex network mocking—things like testing the Result role methods, Set sentence methods, and LogWriter utilities would be straightforward to add coverage for.

Let me analyze the coverage report to identify low-hanging fruit. The modules with the lowest coverage are: 1. **JMAP/Tester/Role/Result.pm** - 50.0% total (51.5% stmt, 0% branch, 0% cond, 66.6% sub) 2. **JMAP/Tester/Response/Sentence/Set.pm** - 55.3% total (52.2% stmt, 57.1% branch, 41.6% cond, 52.1% sub) 3. **JMAP/Tester/UA/LWP.pm** - 54.0% total (60.3% stmt, 50% branch, 14.2% cond, 69.2% sub) 4. **JMAP/Tester/Logger/Null.pm** - 62.9% total (100% stmt but 81.8% sub) 5. **JMAP/Tester/LogWriter.pm** - 64.9% total (72.9% stmt, 0% branch, 76.9% sub) I'm looking for quick wins that don't require complex network mocking—things like testing the Result role methods, Set sentence methods, and LogWriter utilities would be straightforward to add coverage for.
1 minute 1 second elapsed ↑
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Good, I have the coverage report. The lowest-coverage modules are:

Module Total Key gaps
Role/Result.pm 50.0% 0% branch, 0% cond, 66.6% sub
Sentence/Set.pm 55.3% 52.2% stmt, 52.1% sub
UA/LWP.pm 54.0% 60.3% stmt, 14.2% cond
Logger/Null.pm 62.9% 81.8% sub
LogWriter.pm 64.9% 72.9% stmt, 0% branch

Let me read these files plus the existing tests to understand what's testable.

Good, I have the coverage report. The lowest-coverage modules are: | Module | Total | Key gaps | |--------|-------|----------| | Role/Result.pm | 50.0% | 0% branch, 0% cond, 66.6% sub | | Sentence/Set.pm | 55.3% | 52.2% stmt, 52.1% sub | | UA/LWP.pm | 54.0% | 60.3% stmt, 14.2% cond | | Logger/Null.pm | 62.9% | 81.8% sub | | LogWriter.pm | 64.9% | 72.9% stmt, 0% branch | Let me read these files plus the existing tests to understand what's testable.
Read — 5 files
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Role/Result.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Response/Sentence/Set.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/LogWriter.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Logger/Null.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/UA/LWP.pm
Thinking
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Now let me read the existing tests and key supporting files to understand the patterns and what's already tested.

Now let me read the existing tests and key supporting files to understand the patterns and what's already tested.
6 seconds elapsed ↑
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Now let me read the existing tests and key supporting files.

Now let me read the existing tests and key supporting files.
Read — 4 files
• /Users/rjbs/fm/code/JMAP-Tester/t/basic.t
• /Users/rjbs/fm/code/JMAP-Tester/t/mock.t
• /Users/rjbs/fm/code/JMAP-Tester/t/sugar.t
• /Users/rjbs/fm/code/JMAP-Tester/t/lib/JMAP/Tester/MockServer.pm
Thinking
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Now let me read a few more files to understand the remaining low-coverage areas better.

Now let me read a few more files to understand the remaining low-coverage areas better.
raw

Let me also read the remaining files that are relevant to understanding testable gaps.

Let me also read the remaining files that are relevant to understanding testable gaps.
Read — 6 files
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Role/SentenceCollection.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Response/Sentence.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Logger.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Result/Failure.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Abort.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Sugar.pm
Thinking
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Now let me also read the Role/HTTPResult and the main Tester.pm to understand the remaining pieces for testing.

Now let me also read the Role/HTTPResult and the main Tester.pm to understand the remaining pieces for testing.
6 seconds elapsed ↑
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Let me also check the HTTPResult role and the SentenceBroker, since they're part of the untested paths.

Let me also check the HTTPResult role and the SentenceBroker, since they're part of the untested paths.
Read — 4 files
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Role/HTTPResult.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/SentenceBroker.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Result/Download.pm
• /Users/rjbs/fm/code/JMAP-Tester/lib/JMAP/Tester/Result/Logout.pm
Thinking
raw

Now I have a comprehensive picture of the codebase. Let me identify the low-hanging fruit for test coverage:

  • Low-coverage areas and what's testable:

  • 1. Role/Result.pm (50% total)

  • assert_successful - only the success path is tested (via Response which is always successful). The failure path (with has_ident/without) is never tested.

  • assert_successful_set - never tested

  • assert_single_successful_set - never tested

These can be tested by:

  • Creating a Result::Failure object and calling assert_successful on it (should abort)

  • Creating a Result::Failure with an ident and verifying the abort message includes it

  • Testing assert_successful_set and assert_single_successful_set against successful responses

  • 2. Response/Sentence/Set.pm (55.3% total)

Looking at the untested methods like state accessors, creation tracking methods, and destruction tracking methods - these are all straightforward getters that should be easy to cover with basic assertions on the response objects.

  • 3. LogWriter.pm (64.9% total)

The write methods across the Code, Handle, and Filename implementations need coverage. Code and Handle are simple to test, while Filename requires working with temporary files.

  • 4. Logger/Null.pm (62.9% total)

Still need to cover the logging methods for miscellaneous requests and responses, plus download request and response logging.

The Null logger's methods are all no-ops, but since the Logger role requires a writer attribute, I'd need to provide a dummy writer when testing these methods, even though they don't actually use it.

Looking at the coverage breakdown, I can see several untested methods across the codebase. In UA/LWP.pm, methods like set_cookie, scan_cookies, and the header getters/setters are straightforward wrappers around LWP::UserAgent that should be easy to test. The best approach would be to start with the simpler utility methods that have clear, isolated behavior.

Now I'm prioritizing what to tackle first: the Sentence::Set state accessor methods are good candidates since they just return stored values, followed by the Role::Result assertion methods which can be tested against constructed failure objects, then the LogWriter classes, and finally the UA::LWP cookie and header methods. Let me start writing the test file.

Now I have a comprehensive picture of the codebase. Let me identify the low-hanging fruit for test coverage: ## Low-coverage areas and what's testable: ### 1. `Role/Result.pm` (50% total) - `assert_successful` - only the success path is tested (via Response which is always successful). The failure path (with `has_ident`/without) is never tested. - `assert_successful_set` - never tested - `assert_single_successful_set` - never tested These can be tested by: - Creating a `Result::Failure` object and calling `assert_successful` on it (should abort) - Creating a `Result::Failure` with an ident and verifying the abort message includes it - Testing `assert_successful_set` and `assert_single_successful_set` against successful responses ### 2. `Response/Sentence/Set.pm` (55.3% total) Looking at the untested methods like state accessors, creation tracking methods, and destruction tracking methods - these are all straightforward getters that should be easy to cover with basic assertions on the response objects. ### 3. `LogWriter.pm` (64.9% total) The write methods across the Code, Handle, and Filename implementations need coverage. Code and Handle are simple to test, while Filename requires working with temporary files. ### 4. `Logger/Null.pm` (62.9% total) Still need to cover the logging methods for miscellaneous requests and responses, plus download request and response logging. The Null logger's methods are all no-ops, but since the Logger role requires a writer attribute, I'd need to provide a dummy writer when testing these methods, even though they don't actually use it. Looking at the coverage breakdown, I can see several untested methods across the codebase. In `UA/LWP.pm`, methods like `set_cookie`, `scan_cookies`, and the header getters/setters are straightforward wrappers around LWP::UserAgent that should be easy to test. The best approach would be to start with the simpler utility methods that have clear, isolated behavior. Now I'm prioritizing what to tackle first: the `Sentence::Set` state accessor methods are good candidates since they just return stored values, followed by the `Role::Result` assertion methods which can be tested against constructed failure objects, then the `LogWriter` classes, and finally the `UA::LWP` cookie and header methods. Let me start writing the test file.
30 seconds elapsed ↑
raw

Now I have a thorough understanding of the coverage gaps. Here's my analysis of the low-hanging fruit:

Area What's untested Difficulty
Sentence::Set new_state, old_state, created*, destroyed_ids, not_created_ids, create_errors, success path of assert_no_errors Easy - just construct Responses
Role::Result assert_successful on failure (w/ and w/o ident), assert_successful_set, assert_single_successful_set Easy
LogWriter Code/Handle/Filename write methods Easy
UA::LWP set_cookie, scan_cookies, get_default_header, set_default_header Easy

Let me write the test file.

Now I have a thorough understanding of the coverage gaps. Here's my analysis of the low-hanging fruit: | Area | What's untested | Difficulty | |------|----------------|------------| | Sentence::Set | `new_state`, `old_state`, `created*`, `destroyed_ids`, `not_created_ids`, `create_errors`, success path of `assert_no_errors` | Easy - just construct Responses | | Role::Result | `assert_successful` on failure (w/ and w/o ident), `assert_successful_set`, `assert_single_successful_set` | Easy | | LogWriter | Code/Handle/Filename `write` methods | Easy | | UA::LWP | `set_cookie`, `scan_cookies`, `get_default_header`, `set_default_header` | Easy | Let me write the test file.
Write — /Users/rjbs/fm/code/JMAP-Tester/t/coverage.t
use v5.20.0;
use warnings;

use experimental 'signatures';

use HTTP::Response;
use JMAP::Tester;
use JMAP::Tester::Response;
use JMAP::Tester::Result::Failure;
use JSON::Typist 0.005;

use Scalar::Util 'blessed';
use Test::Deep ':v1';
use Test::Deep::JType 0.005;
use Test::Fatal;
use Test::More;
use Test::Abortable 'subtest';

# Re-use aborts_ok from basic.t
sub aborts_ok {
  my ($code, $want, $desc);
  if (@_ == 2) {
    ($code, $desc) = @_;
  } elsif (@_ == 3) {
    ($code, $want, $desc) = @_;
  } else {
    Carp::confess("aborts_ok used wrongly");
  }

  local $Test::Builder::Level = $Test::Builder::Level + 1;
  my $ok = eval { $code->(); 1 };
  my $error = $@;

  if ($ok) {
    fail("code ran without exception: $desc");
    return;
  }

  unless (blessed $error && $error->isa('JMAP::Tester::Abort')) {
    fail("code threw non-abort: $desc");
    diag("error thrown: $error");
    return;
  }

  unless ($want) {
    pass("got an abort: $desc");
    return;
  }

  cmp_deeply(
    $error,
    $want,
    "got expected abort: $desc",
  );
}

subtest "Sentence::Set accessors" => sub {
  my $res = JMAP::Tester::Response->new({
    items => [
      [
        'Widget/set' => {
          oldState => jstr('state-1'),
          newState => jstr('state-2'),
          created  => {
            'cr-0' => { id => 'x100', size => jnum(42) },
            'cr-1' => { id => 'x101', size => jnum(13) },
          },
          updated    => { 'x200' => undef, 'x201' => { color => 'red' } },
          destroyed  => [ 'x300', 'x301' ],
          notCreated   => {
            'cr-2' => { type => jstr('invalidProperties') },
          },
          notUpdated   => {
            'x202' => { type => jstr('notFound') },
          },
          notDestroyed => {
            'x302' => { type => jstr('notFound') },
          },
        },
        'a',
      ],
    ],
  });

  my $set = $res->single_sentence('Widget/set')->as_set;

  is($set->old_state, 'state-1', "old_state");
  is($set->new_state, 'state-2', "new_state");

  # as_set on a Set returns itself
  is($set->as_set, $set, "as_set on a Set returns self");

  # created
  is(ref $set->created, 'HASH', "created returns a hashref");
  is(keys %{ $set->created }, 2, "two created entries");

  # created_id
  is($set->created_id('cr-0'), 'x100', "created_id for cr-0");
  is($set->created_id('cr-1'), 'x101', "created_id for cr-1");
  is($set->created_id('cr-nope'), undef, "created_id for nonexistent");

  # created_creation_ids
  is_deeply(
    [ sort $set->created_creation_ids ],
    [ 'cr-0', 'cr-1' ],
    "created_creation_ids",
  );

  # created_ids
  is_deeply(
    [ sort $set->created_ids ],
    [ 'x100', 'x101' ],
    "created_ids",
  );

  # updated_ids (hash form)
  is_deeply(
    [ sort $set->updated_ids ],
    [ 'x200', 'x201' ],
    "updated_ids from hash",
  );

  # destroyed_ids
  is_deeply(
    [ sort $set->destroyed_ids ],
    [ 'x300', 'x301' ],
    "destroyed_ids",
  );

  # not_created_ids
  is_deeply(
    [ $set->not_created_ids ],
    [ 'cr-2' ],
    "not_created_ids",
  );

  # not_updated_ids
  is_deeply(
    [ $set->not_updated_ids ],
    [ 'x202' ],
    "not_updated_ids",
  );

  # not_destroyed_ids
  is_deeply(
    [ $set->not_destroyed_ids ],
    [ 'x302' ],
    "not_destroyed_ids",
  );

  # create_errors / update_errors / destroy_errors
  is_deeply(
    $set->create_errors,
    { 'cr-2' => { type => jstr('invalidProperties') } },
    "create_errors",
  );

  is_deeply(
    $set->update_errors,
    { 'x202' => { type => jstr('notFound') } },
    "update_errors",
  );

  is_deeply(
    $set->destroy_errors,
    { 'x302' => { type => jstr('notFound') } },
    "destroy_errors",
  );
};

subtest "Sentence::Set with no errors" => sub {
  my $res = JMAP::Tester::Response->new({
    items => [
      [
        'Widget/set' => {
          oldState  => 'state-1',
          newState  => 'state-2',
          created   => { 'cr-0' => { id => 'x100' } },
          updated   => { 'x200' => undef },
          destroyed => [ 'x300' ],
        },
        'a',
      ],
    ],
  });

  my $set = $res->single_sentence('Widget/set')->as_set;

  my $returned = $set->assert_no_errors;
  is($returned, $set, "assert_no_errors returns self when no errors");
};

subtest "Sentence::Set with missing optional fields" => sub {
  # A set response that has none of the notFoo fields
  my $res = JMAP::Tester::Response->new({
    items => [
      [
        'Thing/set' => {
          newState => 'state-3',
        },
        'a',
      ],
    ],
  });

  my $set = $res->single_sentence('Thing/set')->as_set;

  is_deeply($set->created, {}, "created defaults to empty hashref");
  is_deeply($set->create_errors, {}, "create_errors defaults to empty hashref");
  is_deeply($set->update_errors, {}, "update_errors defaults to empty hashref");
  is_deeply($set->destroy_errors, {}, "destroy_errors defaults to empty hashref");

  is($set->created_id('anything'), undef, "created_id on empty created");
  is_deeply([ $set->created_creation_ids ], [], "no created_creation_ids");
  is_deeply([ $set->created_ids ], [], "no created_ids");

  my $returned = $set->assert_no_errors;
  is($returned, $set, "assert_no_errors passes with no error fields at all");
};

subtest "Role::Result - assert_successful on failure" => sub {
  my $failure = JMAP::Tester::Result::Failure->new({
    http_response => HTTP::Response->new(500, "Internal Server Error"),
  });

  ok(!$failure->is_success, "failure is not success");

  my $err = exception { $failure->assert_successful };
  ok(blessed($err) && $err->isa('JMAP::Tester::Abort'), "assert_successful dies with Abort");
  like($err->message, qr/JMAP failure/, "default abort message");
};

subtest "Role::Result - assert_successful on failure with ident" => sub {
  my $failure = JMAP::Tester::Result::Failure->new({
    ident         => "custom error ident",
    http_response => HTTP::Response->new(500, "Internal Server Error"),
  });

  ok($failure->has_ident, "failure has ident");
  is($failure->ident, "custom error ident", "ident is correct");

  my $err = exception { $failure->assert_successful };
  ok(blessed($err) && $err->isa('JMAP::Tester::Abort'), "assert_successful dies with Abort");
  like($err->message, qr/custom error ident/, "abort uses ident in message");
};

subtest "Role::Result - assert_successful on success" => sub {
  my $res = JMAP::Tester::Response->new({
    items => [
      [ 'Widget/set' => { created => { 'cr-0' => { id => 'x1' } } }, 'a' ],
    ],
  });

  my $returned = $res->assert_successful;
  is($returned, $res, "assert_successful returns the result on success");
};

subtest "Role::Result - assert_successful_set" => sub {
  my $res = JMAP::Tester::Response->new({
    items => [
      [ 'Widget/set' => {
          created   => { 'cr-0' => { id => 'x1' } },
          updated   => {},
          destroyed => [],
        }, 'a' ],
    ],
  });

  my $set = $res->assert_successful_set('Widget/set');
  isa_ok($set, 'JMAP::Tester::Response::Sentence::Set');
};

subtest "Role::Result - assert_single_successful_set" => sub {
  my $res = JMAP::Tester::Response->new({
    items => [
      [ 'Widget/set' => {
          created   => { 'cr-0' => { id => 'x1' } },
          updated   => {},
          destroyed => [],
        }, 'a' ],
    ],
  });

  # with name
  my $set = $res->assert_single_successful_set('Widget/set');
  isa_ok($set, 'JMAP::Tester::Response::Sentence::Set');

  # without name
  my $set2 = $res->assert_single_successful_set;
  isa_ok($set2, 'JMAP::Tester::Response::Sentence::Set');
};

subtest "Role::HTTPResult - response_payload" => sub {
  {
    my $failure = JMAP::Tester::Result::Failure->new({
      http_response => HTTP::Response->new(
        500, "Oops",
        [ 'Content-Type' => 'text/plain' ],
        "something went wrong",
      ),
    });

    like(
      $failure->response_payload,
      qr/something went wrong/,
      "response_payload includes body",
    );
  }

  {
    my $failure = JMAP::Tester::Result::Failure->new({});

    is($failure->response_payload, '', "response_payload is empty without http_response");
  }
};

subtest "LogWriter::Code" => sub {
  require JMAP::Tester::LogWriter;

  my @written;
  my $writer = JMAP::Tester::LogWriter::Code->new({
    code => sub { push @written, $_[0] },
  });

  $writer->write("hello");
  $writer->write("world");

  is_deeply(\@written, [ "hello", "world" ], "Code writer forwards to coderef");
};

subtest "LogWriter::Handle" => sub {
  require JMAP::Tester::LogWriter;

  my $output = '';
  open my $fh, '>', \$output or die "can't open string fh: $!";

  my $writer = JMAP::Tester::LogWriter::Handle->new({ handle => $fh });

  $writer->write("line one\n");
  $writer->write("line two\n");

  is($output, "line one\nline two\n", "Handle writer prints to handle");
};

subtest "LogWriter::Filename" => sub {
  require JMAP::Tester::LogWriter;
  require File::Temp;

  my $dir = File::Temp::tempdir(CLEANUP => 1);
  my $template = "$dir/test-{PID}.log";

  my $writer = JMAP::Tester::LogWriter::Filename->new({
    filename_template => $template,
  });

  $writer->write("logged line\n");

  my $expected_file = "$dir/test-$$.log";
  ok(-f $expected_file, "log file was created");

  open my $fh, '<', $expected_file or die "can't read $expected_file: $!";
  my $content = do { local $/; <$fh> };
  is($content, "logged line\n", "log file has expected content");
};

subtest "Logger coercion - coderef" => sub {
  require JMAP::Tester::Logger::HTTP;

  my @lines;
  my $logger = JMAP::Tester::Logger::HTTP->new({
    writer => sub { push @lines, $_[0] },
  });

  isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Code');
  $logger->write("test line");
  is_deeply(\@lines, ["test line"], "coderef writer works through logger");
};

subtest "Logger coercion - handle" => sub {
  require JMAP::Tester::Logger::HTTP;

  my $output = '';
  open my $fh, '>', \$output or die $!;

  my $logger = JMAP::Tester::Logger::HTTP->new({ writer => $fh });

  isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Handle');
  $logger->write("handle test");
  is($output, "handle test", "handle writer works through logger");
};

subtest "Logger coercion - undef scalar ref" => sub {
  require JMAP::Tester::Logger::HTTP;

  my $logger = JMAP::Tester::Logger::HTTP->new({ writer => \undef });

  isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Code');
  # Should not die - it's a no-op writer
  $logger->write("this goes nowhere");
  pass("undef scalar ref writer is a no-op");
};

subtest "Logger coercion - filename string" => sub {
  require JMAP::Tester::Logger::HTTP;
  require File::Temp;

  my $dir = File::Temp::tempdir(CLEANUP => 1);
  my $template = "$dir/logger-{PID}.log";

  my $logger = JMAP::Tester::Logger::HTTP->new({ writer => $template });

  isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Filename');
};

subtest "UA::LWP cookie and header methods" => sub {
  require JMAP::Tester::UA::LWP;

  my $ua = JMAP::Tester::UA::LWP->new;

  # set_default_header / get_default_header
  $ua->set_default_header('X-Test-Header', 'test-value');
  is(
    $ua->get_default_header('X-Test-Header'),
    'test-value',
    "get/set default header round-trips",
  );

  # set_cookie
  $ua->set_cookie({
    api_uri => 'https://example.com/api/',
    name    => 'session',
    value   => 'abc123',
  });

  # scan_cookies
  my @cookies;
  $ua->scan_cookies(sub {
    my @args = @_;
    push @cookies, $args[1]; # cookie name is second arg
  });

  ok(
    (grep { $_ eq 'session' } @cookies),
    "set_cookie + scan_cookies round-trip",
  );

  # set_cookie missing required field
  for my $field (qw(api_uri name value)) {
    my %args = (api_uri => 'https://x.com/', name => 'n', value => 'v');
    delete $args{$field};
    my $err = exception { $ua->set_cookie(\%args) };
    like($err, qr/can't set_cookie without $field/, "set_cookie requires $field");
  }
};

subtest "Logger::Null methods" => sub {
  require JMAP::Tester::Logger::Null;

  # Logger::Null consumes Logger role which requires writer, but Null
  # doesn't use it. We supply a no-op writer.
  my $null = JMAP::Tester::Logger::Null->new({ writer => sub {} });

  # All of these should be no-ops and not die
  for my $method (qw(
    log_jmap_request     log_jmap_response
    log_misc_request     log_misc_response
    log_upload_request   log_upload_response
    log_download_request log_download_response
  )) {
    my $ok = eval { $null->$method(); 1 };
    ok($ok, "$method is callable and doesn't die");
  }
};

done_testing;
38 minutes 2 seconds elapsed ↑
raw

Now let me run the tests to make sure they pass.

Now let me run the tests to make sure they pass.
Bash — Run the new coverage tests
perl -Ilib -It/lib t/coverage.t 2>&1
7 minutes 54 seconds elapsed ↑
raw

All 18 subtests pass. Now let me run dzil cover to see the updated coverage numbers.

All 18 subtests pass. Now let me run `dzil cover` to see the updated coverage numbers.
Bash — Re-run coverage report with new tests
dzil cover 2>&1
Thinking
raw

The coverage numbers didn't change! That's because dzil cover only runs the tests in the .build directory, and my new test file t/coverage.t isn't being picked up. Let me check - the dzil cover output shows only 4 test files (t/sugar.t, t/00-report-prereqs.t, t/basic.t, t/mock.t). My t/coverage.t should be there... Wait, dzil cover builds a distribution and then runs tests in that build directory. It copies the test files during the build. Let me check if the file was created in the right place and if it's being picked up by dzil.

The test output still shows only 4 files and 22 tests, so my new test file isn't making it into the build. I need to verify the file exists in the source tree and check if dist.ini has any configuration that might be filtering or pruning test files.

The coverage numbers didn't change! That's because `dzil cover` only runs the tests in the `.build` directory, and my new test file `t/coverage.t` isn't being picked up. Let me check - the `dzil cover` output shows only 4 test files (t/sugar.t, t/00-report-prereqs.t, t/basic.t, t/mock.t). My `t/coverage.t` should be there... Wait, `dzil cover` builds a distribution and then runs tests in that build directory. It copies the test files during the build. Let me check if the file was created in the right place and if it's being picked up by dzil. The test output still shows only 4 files and 22 tests, so my new test file isn't making it into the build. I need to verify the file exists in the source tree and check if `dist.ini` has any configuration that might be filtering or pruning test files.
14 seconds elapsed ↑
raw

The coverage didn't change - dzil cover isn't picking up my new test. Let me check why.

The coverage didn't change - `dzil cover` isn't picking up my new test. Let me check why.
Read — /Users/rjbs/fm/code/JMAP-Tester/dist.ini
Bash — Check if coverage.t was included in build
ls /Users/rjbs/fm/code/JMAP-Tester/.build/EjS4OLXBea/t/
Thinking
raw

My t/coverage.t wasn't included. This might be because the @RJBS plugin bundle uses Git-based file gathering (like GatherDir::Git or Git::GatherDir) and my new file hasn't been committed to git yet. Let me check.

My `t/coverage.t` wasn't included. This might be because the `@RJBS` plugin bundle uses Git-based file gathering (like `GatherDir::Git` or `Git::GatherDir`) and my new file hasn't been committed to git yet. Let me check.
5 seconds elapsed ↑
raw

The file wasn't included in the build because the @RJBS plugin bundle uses git-based file gathering - only tracked files are included. I need to add it to git first.

The file wasn't included in the build because the `@RJBS` plugin bundle uses git-based file gathering - only tracked files are included. I need to add it to git first.
Bash — Stage the new test file so dzil picks it up
git add t/coverage.t
Bash — Re-run coverage with test file staged
dzil cover 2>&1
7 minutes 42 seconds elapsed ↑
raw

Significant improvements. Here's the before/after comparison:

Module Before After Change
Role/Result.pm 50.0% 98.0% +48.0
Sentence/Set.pm 55.3% 96.6% +41.3
UA/LWP.pm 54.0% 88.7% +34.7
LogWriter.pm 64.9% 91.2% +26.3
Role/HTTPResult.pm 95.6% 100.0% +4.4
Logger/Null.pm 62.9% 70.3% +7.4
Overall Total 78.8% 87.2% +8.4

The new test file t/coverage.t adds 18 subtests covering:

  • Sentence::Set accessors: old_state, new_state, created, created_id, created_creation_ids, created_ids, destroyed_ids, not_created_ids, not_updated_ids, not_destroyed_ids, create_errors, update_errors, destroy_errors, as_set (on Set), assert_no_errors (success path), and defaults when optional fields are missing
  • Role::Result: assert_successful on failure (with and without ident), on success, assert_successful_set, assert_single_successful_set (with and without name)
  • Role::HTTPResult: response_payload with and without http_response
  • LogWriter: Code, Handle, and Filename writer classes
  • Logger coercion: coderef, handle, undef scalar ref, and filename string coercion paths
  • UA::LWP: set_cookie, scan_cookies, get_default_header, set_default_header, and set_cookie validation
  • Logger::Null: all 8 no-op log methods
Significant improvements. Here's the before/after comparison: | Module | Before | After | Change | |--------|--------|-------|--------| | **Role/Result.pm** | 50.0% | **98.0%** | +48.0 | | **Sentence/Set.pm** | 55.3% | **96.6%** | +41.3 | | **UA/LWP.pm** | 54.0% | **88.7%** | +34.7 | | **LogWriter.pm** | 64.9% | **91.2%** | +26.3 | | **Role/HTTPResult.pm** | 95.6% | **100.0%** | +4.4 | | **Logger/Null.pm** | 62.9% | **70.3%** | +7.4 | | **Overall Total** | 78.8% | **87.2%** | +8.4 | The new test file `t/coverage.t` adds 18 subtests covering: - **Sentence::Set accessors**: `old_state`, `new_state`, `created`, `created_id`, `created_creation_ids`, `created_ids`, `destroyed_ids`, `not_created_ids`, `not_updated_ids`, `not_destroyed_ids`, `create_errors`, `update_errors`, `destroy_errors`, `as_set` (on Set), `assert_no_errors` (success path), and defaults when optional fields are missing - **Role::Result**: `assert_successful` on failure (with and without ident), on success, `assert_successful_set`, `assert_single_successful_set` (with and without name) - **Role::HTTPResult**: `response_payload` with and without http_response - **LogWriter**: Code, Handle, and Filename writer classes - **Logger coercion**: coderef, handle, undef scalar ref, and filename string coercion paths - **UA::LWP**: `set_cookie`, `scan_cookies`, `get_default_header`, `set_default_header`, and set_cookie validation - **Logger::Null**: all 8 no-op log methods
Idle for 3 minutes 51 seconds
rjbs 17:07:10
commit this
Claude 17:07:14
Bash — Show working tree status
git -C /Users/rjbs/fm/code/JMAP-Tester status
Bash — Show staged changes
git -C /Users/rjbs/fm/code/JMAP-Tester diff --cached
Bash — Show recent commit messages
git -C /Users/rjbs/fm/code/JMAP-Tester log --oneline -5
Bash — Commit the new test file
git commit -m "$(cat <<'EOF' add test coverage for low-coverage modules Cover Sentence::Set accessors, Role::Result assertion methods, LogWriter classes, Logger coercion paths, UA::LWP cookie/header methods, and Logger::Null no-op methods. Raises overall statement coverage from 84% to 93% and total from 79% to 87%. Co-Authored-By: Claude <noreply@anthropic.com> EOF )"
Bash — Verify clean state after commit
git -C /Users/rjbs/fm/code/JMAP-Tester status
2 minutes 44 seconds elapsed ↑
raw

Committed as af9d513.

Committed as `af9d513`.
rjbs 17:10:37
rework that last commit to be written as if RJBS had written it
Claude 17:11:11
Thinking
raw

The user wants me to rework the test file to match RJBS's coding style. Let me look at the existing test files more carefully to understand his patterns and style, then rewrite the test accordingly.

Key style observations from the existing tests:

  1. t/basic.t uses use strict; use warnings; (not use v5.20.0)

  2. t/mock.t uses use v5.20.0; use warnings; with use experimental 'signatures';

  3. t/sugar.t uses use v5.26.0; use warnings;

  4. The tests use Test::Abortable 'subtest' for subtests that may abort

  5. aborts_ok is a helper defined in basic.t

  6. Style is fairly concise, not heavily commented

  7. Uses jcmp_deeply, jstr, jnum from Test::Deep::JType

  8. Subtest descriptions are lowercase, descriptive phrases

  9. Test descriptions are short and descriptive

  10. No use experimental 'signatures' in basic.t but yes in mock.t

Looking at the actual patterns in basic.t, I can see it uses use strict; use warnings; without version declarations, keeps test names short and direct like "s0 name", and avoids signatures entirely.

The subtests follow a similar pattern with lowercase descriptive names like "the basic basics" or "old style updated". For comparisons, it mixes is_deeply with the typed comparison functions, and there's a consistent pattern of chaining method calls like $res->single_sentence('Piece/set')->as_set. The overall structure is compact with minimal whitespace between related tests.

In contrast, mock.t declares a Perl version explicitly and enables signatures, while sugar.t uses lexical subs and tighter iteration patterns. The common thread across all three is that RJBS favors conciseness and clarity over verbosity—straightforward test names, minimal boilerplate, and a pragmatic approach to helper functions and assertions.

Since the codebase already duplicates the aborts_ok helper in basic.t, I should follow that precedent rather than trying to centralize it. The key is matching the tone and structure: use v5.20.0 with signatures, keep test descriptions brief and natural, rely on the project's own testing idioms, and group related assertions tightly without over-commenting. I need to make sure the test file matches RJBS's style—fewer, larger subtests with multiple assertions rather than many small ones, minimal comments, and concise naming. Since the user wants me to rework this as if RJBS wrote it, I shouldn't include any Claude attribution in the commit message, just a straightforward description of what changed. Refactoring the test file now...

The user wants me to rework the test file to match RJBS's coding style. Let me look at the existing test files more carefully to understand his patterns and style, then rewrite the test accordingly. Key style observations from the existing tests: 1. `t/basic.t` uses `use strict; use warnings;` (not `use v5.20.0`) 2. `t/mock.t` uses `use v5.20.0; use warnings;` with `use experimental 'signatures';` 3. `t/sugar.t` uses `use v5.26.0; use warnings;` 4. The tests use `Test::Abortable 'subtest'` for subtests that may abort 5. `aborts_ok` is a helper defined in basic.t 6. Style is fairly concise, not heavily commented 7. Uses `jcmp_deeply`, `jstr`, `jnum` from Test::Deep::JType 8. Subtest descriptions are lowercase, descriptive phrases 9. Test descriptions are short and descriptive 10. No `use experimental 'signatures'` in basic.t but yes in mock.t Looking at the actual patterns in basic.t, I can see it uses `use strict; use warnings;` without version declarations, keeps test names short and direct like `"s0 name"`, and avoids signatures entirely. The subtests follow a similar pattern with lowercase descriptive names like `"the basic basics"` or `"old style updated"`. For comparisons, it mixes `is_deeply` with the typed comparison functions, and there's a consistent pattern of chaining method calls like `$res->single_sentence('Piece/set')->as_set`. The overall structure is compact with minimal whitespace between related tests. In contrast, mock.t declares a Perl version explicitly and enables signatures, while sugar.t uses lexical subs and tighter iteration patterns. The common thread across all three is that RJBS favors conciseness and clarity over verbosity—straightforward test names, minimal boilerplate, and a pragmatic approach to helper functions and assertions. Since the codebase already duplicates the `aborts_ok` helper in basic.t, I should follow that precedent rather than trying to centralize it. The key is matching the tone and structure: use `v5.20.0` with signatures, keep test descriptions brief and natural, rely on the project's own testing idioms, and group related assertions tightly without over-commenting. I need to make sure the test file matches RJBS's style—fewer, larger subtests with multiple assertions rather than many small ones, minimal comments, and concise naming. Since the user wants me to rework this as if RJBS wrote it, I shouldn't include any Claude attribution in the commit message, just a straightforward description of what changed. Refactoring the test file now...
raw

Let me study RJBS's style more carefully, then rewrite the test.

Let me study RJBS's style more carefully, then rewrite the test.
Read — 3 files
• /Users/rjbs/fm/code/JMAP-Tester/t/basic.t
• /Users/rjbs/fm/code/JMAP-Tester/t/mock.t
• /Users/rjbs/fm/code/JMAP-Tester/t/sugar.t
Thinking
raw

Let me analyze RJBS's style patterns carefully:

  1. Preamble style: basic.t uses use strict; use warnings; (older style), mock.t uses use v5.20.0; use warnings; with use experimental 'signatures', sugar.t uses use v5.26.0; use warnings;. Since basic.t is the closest to what I'm writing (unit tests without a mock server), and the newer tests use the version pragma, I should probably use use v5.20.0; use warnings; since I don't need signatures.

Actually wait - basic.t uses use strict; use warnings; and doesn't use signatures at all.

My test doesn't need signatures either, so I should match the basic.t style with use strict; use warnings;.

  1. Subtest naming: lowercase, descriptive but concise - "the basic basics", "old style updated", "basic abort", "set assert_named", "calling as_set on non-set sentence", "miscellaneous error conditions on 1-paragraph 1-sentence response", "construction errors", "interpreting HTTP responses", "with optional typist"

  2. Test description naming: Short, often terse - "s0 name", "p0 cid", "assert_named works", "paragraph cids must match", "paragraphs must have sentences"

  3. Code style: I'm using bare blocks for variable scoping, exception from Test::Fatal for error handling, is_deeply for structure comparisons, and simple assertions like is, ok, like for basic checks. Related assertions stay grouped tightly together, and I'm using aborts_ok for abort testing. The formatting is compact with sparse but informative comments signed with author and date, matter-of-fact test descriptions, and qw() for word lists.

  4. Overall structure: The tests stay pragmatic without elaborate infrastructure, with the aborts_ok helper defined at the bottom.

  5. Imports: I'm keeping them sorted and practical with version comments explaining why each version is needed.

Now I'm restructuring the test to match RJBS's style more closely—using basic use strict; use warnings; without signatures, writing more direct test descriptions, using $s for sentence variables, combining related subtests into denser blocks, scoping with bare blocks, keeping everything pragmatic, moving aborts_ok to the bottom, and using minimal, signed comments.

For the LogWriter, Logger, and UA tests, I'm keeping them terse and practical. RJBS tends to leave specific inline comments like explaining version requirements or noting when you shouldn't create objects directly, so I'll add those where they matter. The commit message should be brief and direct—something like "add coverage tests for Set sentences, Result assertions, and LogWriter" captures what's happening without extra words.

Let me analyze RJBS's style patterns carefully: 1. **Preamble style**: basic.t uses `use strict; use warnings;` (older style), mock.t uses `use v5.20.0; use warnings;` with `use experimental 'signatures'`, sugar.t uses `use v5.26.0; use warnings;`. Since basic.t is the closest to what I'm writing (unit tests without a mock server), and the newer tests use the version pragma, I should probably use `use v5.20.0; use warnings;` since I don't need signatures. Actually wait - basic.t uses `use strict; use warnings;` and doesn't use signatures at all. My test doesn't need signatures either, so I should match the basic.t style with `use strict; use warnings;`. 2. **Subtest naming**: lowercase, descriptive but concise - "the basic basics", "old style updated", "basic abort", "set assert_named", "calling as_set on non-set sentence", "miscellaneous error conditions on 1-paragraph 1-sentence response", "construction errors", "interpreting HTTP responses", "with optional typist" 3. **Test description naming**: Short, often terse - "s0 name", "p0 cid", "assert_named works", "paragraph cids must match", "paragraphs must have sentences" 4. **Code style**: I'm using bare blocks for variable scoping, `exception` from Test::Fatal for error handling, `is_deeply` for structure comparisons, and simple assertions like `is`, `ok`, `like` for basic checks. Related assertions stay grouped tightly together, and I'm using `aborts_ok` for abort testing. The formatting is compact with sparse but informative comments signed with author and date, matter-of-fact test descriptions, and `qw()` for word lists. 5. **Overall structure**: The tests stay pragmatic without elaborate infrastructure, with the `aborts_ok` helper defined at the bottom. 6. **Imports**: I'm keeping them sorted and practical with version comments explaining why each version is needed. Now I'm restructuring the test to match RJBS's style more closely—using basic `use strict; use warnings;` without signatures, writing more direct test descriptions, using `$s` for sentence variables, combining related subtests into denser blocks, scoping with bare blocks, keeping everything pragmatic, moving `aborts_ok` to the bottom, and using minimal, signed comments. For the LogWriter, Logger, and UA tests, I'm keeping them terse and practical. RJBS tends to leave specific inline comments like explaining version requirements or noting when you shouldn't create objects directly, so I'll add those where they matter. The commit message should be brief and direct—something like "add coverage tests for Set sentences, Result assertions, and LogWriter" captures what's happening without extra words.
28 seconds elapsed ↑
raw

Now I have a good feel for RJBS's style. Key patterns:

  • use strict; use warnings; in unit tests (basic.t), use v5.20.0 when signatures needed
  • Short, matter-of-fact test descriptions ("s0 name", "paragraph cids must match")
  • Bare blocks { } for scoping variables
  • $s for set sentences, not $set
  • aborts_ok defined at bottom
  • Sparse comments, signed with -- rjbs, YYYY-MM-DD when present
  • Compact, pragmatic, no over-commenting
Now I have a good feel for RJBS's style. Key patterns: - `use strict; use warnings;` in unit tests (basic.t), `use v5.20.0` when signatures needed - Short, matter-of-fact test descriptions (`"s0 name"`, `"paragraph cids must match"`) - Bare blocks `{ }` for scoping variables - `$s` for set sentences, not `$set` - `aborts_ok` defined at bottom - Sparse comments, signed with `-- rjbs, YYYY-MM-DD` when present - Compact, pragmatic, no over-commenting
Read — /Users/rjbs/fm/code/JMAP-Tester/t/coverage.t
Thinking
raw

Now let me rewrite this in RJBS's style. Key changes:

  1. Use use strict; use warnings; (like basic.t)

  2. No use experimental 'signatures' (not needed, basic.t doesn't use them)

  3. Move aborts_ok to the bottom (like basic.t)

  4. Merge related subtests - RJBS writes fewer, denser subtests

  5. Terse test descriptions

  6. Use $s for set variables

  7. Remove obvious/redundant comments

  8. Use bare blocks for scoping (like basic.t does with { })

  9. Match RJBS's formatting patterns

  10. Use RJBS-style subtest names - lowercase, descriptive phrases

  11. Combine the Logger coercion tests into one subtest with bare blocks

  12. Combine the Result assertion tests into fewer subtests

I'll structure this as three main subtests: one for all the Set accessor tests, one combining the success and defaults cases for assert_no_errors, and one for all the Result assertion methods. This keeps the test file dense and focused like RJBS's style.

Now let me rewrite this in RJBS's style. Key changes: 1. Use `use strict; use warnings;` (like basic.t) 2. No `use experimental 'signatures'` (not needed, basic.t doesn't use them) 3. Move `aborts_ok` to the bottom (like basic.t) 4. Merge related subtests - RJBS writes fewer, denser subtests 5. Terse test descriptions 6. Use `$s` for set variables 7. Remove obvious/redundant comments 8. Use bare blocks for scoping (like basic.t does with `{ }`) 9. Match RJBS's formatting patterns 10. Use RJBS-style subtest names - lowercase, descriptive phrases 11. Combine the Logger coercion tests into one subtest with bare blocks 12. Combine the Result assertion tests into fewer subtests I'll structure this as three main subtests: one for all the Set accessor tests, one combining the success and defaults cases for assert_no_errors, and one for all the Result assertion methods. This keeps the test file dense and focused like RJBS's style.
13 seconds elapsed ↑
raw

Now let me rewrite the test in RJBS's style.

Now let me rewrite the test in RJBS's style.
Write — /Users/rjbs/fm/code/JMAP-Tester/t/coverage.t
use strict;
use warnings;

use File::Temp ();
use HTTP::Response;
use JMAP::Tester;
use JMAP::Tester::Response;
use JMAP::Tester::Result::Failure;
use JSON::Typist 0.005; # $typist->number

use Scalar::Util 'blessed';
use Test::Deep ':v1';
use Test::Deep::JType 0.005; # jstr() in both want and have
use Test::Fatal;
use Test::More;
use Test::Abortable 'subtest';

subtest "set sentence accessors" => sub {
  my $res = JMAP::Tester::Response->new({
    items => [
      [
        'Widget/set' => {
          oldState => jstr('state-1'),
          newState => jstr('state-2'),
          created  => {
            'cr-0' => { id => 'x100', size => jnum(42) },
            'cr-1' => { id => 'x101', size => jnum(13) },
          },
          updated    => { 'x200' => undef, 'x201' => { color => 'red' } },
          destroyed  => [ 'x300', 'x301' ],
          notCreated   => {
            'cr-2' => { type => jstr('invalidProperties') },
          },
          notUpdated   => {
            'x202' => { type => jstr('notFound') },
          },
          notDestroyed => {
            'x302' => { type => jstr('notFound') },
          },
        },
        'a',
      ],
    ],
  });

  my $s = $res->single_sentence('Widget/set')->as_set;

  is($s->old_state, 'state-1', "old_state");
  is($s->new_state, 'state-2', "new_state");

  is($s->as_set, $s, "as_set on a Set is identity");

  is(ref $s->created, 'HASH',     "created is a hashref");
  is(keys %{ $s->created }, 2,    "two created entries");
  is($s->created_id('cr-0'), 'x100', "created_id cr-0");
  is($s->created_id('cr-1'), 'x101', "created_id cr-1");
  is($s->created_id('cr-nope'), undef, "created_id for unknown");

  is_deeply([ sort $s->created_creation_ids ], [ 'cr-0', 'cr-1' ],
    "created_creation_ids");

  is_deeply([ sort $s->created_ids ], [ 'x100', 'x101' ], "created_ids");
  is_deeply([ sort $s->updated_ids ], [ 'x200', 'x201' ], "updated_ids");
  is_deeply([ sort $s->destroyed_ids ], [ 'x300', 'x301' ], "destroyed_ids");

  is_deeply([ $s->not_created_ids ],   [ 'cr-2' ], "not_created_ids");
  is_deeply([ $s->not_updated_ids ],   [ 'x202' ], "not_updated_ids");
  is_deeply([ $s->not_destroyed_ids ], [ 'x302' ], "not_destroyed_ids");

  is_deeply(
    $s->create_errors,
    { 'cr-2' => { type => jstr('invalidProperties') } },
    "create_errors",
  );

  is_deeply(
    $s->update_errors,
    { 'x202' => { type => jstr('notFound') } },
    "update_errors",
  );

  is_deeply(
    $s->destroy_errors,
    { 'x302' => { type => jstr('notFound') } },
    "destroy_errors",
  );
};

subtest "assert_no_errors" => sub {
  {
    my $res = JMAP::Tester::Response->new({
      items => [
        [ 'Widget/set' => {
            created   => { 'cr-0' => { id => 'x100' } },
            updated   => { 'x200' => undef },
            destroyed => [ 'x300' ],
          }, 'a' ],
      ],
    });

    my $s = $res->single_sentence('Widget/set')->as_set;
    is($s->assert_no_errors, $s, "returns self when clean");
  }

  # When the set response has none of the standard fields at all, we should
  # still be okay. -- rjbs, 2025-02-08
  {
    my $res = JMAP::Tester::Response->new({
      items => [
        [ 'Thing/set' => { newState => 'state-3' }, 'a' ],
      ],
    });

    my $s = $res->single_sentence('Thing/set')->as_set;

    is_deeply($s->created,        {}, "created defaults to {}");
    is_deeply($s->create_errors,  {}, "create_errors defaults to {}");
    is_deeply($s->update_errors,  {}, "update_errors defaults to {}");
    is_deeply($s->destroy_errors, {}, "destroy_errors defaults to {}");

    is($s->created_id('anything'), undef, "created_id on empty");
    is_deeply([ $s->created_creation_ids ], [], "no created_creation_ids");
    is_deeply([ $s->created_ids ], [], "no created_ids");

    is($s->assert_no_errors, $s, "returns self with no error fields at all");
  }
};

subtest "assert_successful and friends" => sub {
  my $ok_res = JMAP::Tester::Response->new({
    items => [
      [ 'Widget/set' => {
          created   => { 'cr-0' => { id => 'x1' } },
          updated   => {},
          destroyed => [],
        }, 'a' ],
    ],
  });

  is($ok_res->assert_successful, $ok_res, "assert_successful on success");

  {
    my $s = $ok_res->assert_successful_set('Widget/set');
    isa_ok($s, 'JMAP::Tester::Response::Sentence::Set');
  }

  {
    my $s = $ok_res->assert_single_successful_set('Widget/set');
    isa_ok($s, 'JMAP::Tester::Response::Sentence::Set');
  }

  {
    my $s = $ok_res->assert_single_successful_set;
    isa_ok($s, 'JMAP::Tester::Response::Sentence::Set');
  }

  # Now for the failure cases.
  {
    my $fail = JMAP::Tester::Result::Failure->new({
      http_response => HTTP::Response->new(500, "Internal Server Error"),
    });

    ok(! $fail->is_success, "failure is not success");

    my $err = exception { $fail->assert_successful };
    ok(
      blessed($err) && $err->isa('JMAP::Tester::Abort'),
      "assert_successful throws Abort on failure",
    );
    like($err->message, qr/JMAP failure/, "default message for ident-less failure");
  }

  {
    my $fail = JMAP::Tester::Result::Failure->new({
      ident         => "custom error ident",
      http_response => HTTP::Response->new(500, "Internal Server Error"),
    });

    ok($fail->has_ident, "failure has_ident");
    is($fail->ident, "custom error ident", "ident value");

    my $err = exception { $fail->assert_successful };
    ok(
      blessed($err) && $err->isa('JMAP::Tester::Abort'),
      "assert_successful throws Abort on identified failure",
    );
    like($err->message, qr/custom error ident/, "abort message uses ident");
  }
};

subtest "response_payload" => sub {
  {
    my $fail = JMAP::Tester::Result::Failure->new({
      http_response => HTTP::Response->new(
        500, "Oops",
        [ 'Content-Type' => 'text/plain' ],
        "something went wrong",
      ),
    });

    like($fail->response_payload, qr/something went wrong/,
      "response_payload includes body");
  }

  {
    my $fail = JMAP::Tester::Result::Failure->new({});
    is($fail->response_payload, '', "no http_response means empty payload");
  }
};

subtest "log writers" => sub {
  require JMAP::Tester::LogWriter;

  {
    my @written;
    my $writer = JMAP::Tester::LogWriter::Code->new({
      code => sub { push @written, $_[0] },
    });

    $writer->write("hello");
    $writer->write("world");
    is_deeply(\@written, [ "hello", "world" ], "Code writer");
  }

  {
    my $output = '';
    open my $fh, '>', \$output or die "can't open string fh: $!";
    my $writer = JMAP::Tester::LogWriter::Handle->new({ handle => $fh });

    $writer->write("line one\n");
    $writer->write("line two\n");
    is($output, "line one\nline two\n", "Handle writer");
  }

  {
    my $dir = File::Temp::tempdir(CLEANUP => 1);
    my $template = "$dir/test-{PID}.log";
    my $writer = JMAP::Tester::LogWriter::Filename->new({
      filename_template => $template,
    });

    $writer->write("logged line\n");

    my $fn = "$dir/test-$$.log";
    ok(-f $fn, "Filename writer created file");
    open my $fh, '<', $fn or die "can't read $fn: $!";
    my $content = do { local $/; <$fh> };
    is($content, "logged line\n", "Filename writer content");
  }
};

subtest "logger writer coercion" => sub {
  require JMAP::Tester::Logger::HTTP;

  {
    my @lines;
    my $logger = JMAP::Tester::Logger::HTTP->new({
      writer => sub { push @lines, $_[0] },
    });

    isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Code');
    $logger->write("test");
    is_deeply(\@lines, ["test"], "coderef coercion");
  }

  {
    my $output = '';
    open my $fh, '>', \$output or die $!;
    my $logger = JMAP::Tester::Logger::HTTP->new({ writer => $fh });

    isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Handle');
    $logger->write("test");
    is($output, "test", "handle coercion");
  }

  {
    my $logger = JMAP::Tester::Logger::HTTP->new({ writer => \undef });
    isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Code');
    $logger->write("goes nowhere");
    pass("undef scalar ref becomes no-op Code writer");
  }

  {
    my $dir = File::Temp::tempdir(CLEANUP => 1);
    my $logger = JMAP::Tester::Logger::HTTP->new({
      writer => "$dir/logger-{PID}.log",
    });
    isa_ok($logger->writer, 'JMAP::Tester::LogWriter::Filename');
  }
};

subtest "UA::LWP helpers" => sub {
  require JMAP::Tester::UA::LWP;
  my $ua = JMAP::Tester::UA::LWP->new;

  $ua->set_default_header('X-Test', 'xyzzy');
  is($ua->get_default_header('X-Test'), 'xyzzy', "get/set default header");

  $ua->set_cookie({
    api_uri => 'https://example.com/api/',
    name    => 'session',
    value   => 'abc123',
  });

  my @cookies;
  $ua->scan_cookies(sub { push @cookies, $_[1] });
  ok((grep { $_ eq 'session' } @cookies), "set_cookie + scan_cookies");

  for my $field (qw(api_uri name value)) {
    my %args = (api_uri => 'https://x.com/', name => 'n', value => 'v');
    delete $args{$field};
    my $err = exception { $ua->set_cookie(\%args) };
    like($err, qr/can't set_cookie without $field/, "set_cookie needs $field");
  }
};

subtest "Logger::Null" => sub {
  require JMAP::Tester::Logger::Null;
  my $null = JMAP::Tester::Logger::Null->new({ writer => sub {} });

  for my $method (qw(
    log_jmap_request     log_jmap_response
    log_misc_request     log_misc_response
    log_upload_request   log_upload_response
    log_download_request log_download_response
  )) {
    my $ok = eval { $null->$method(); 1 };
    ok($ok, "$method doesn't die");
  }
};

sub aborts_ok {
  my ($code, $want, $desc);
  if (@_ == 2) {
    ($code, $desc) = @_;
  } elsif (@_ == 3) {
    ($code, $want, $desc) = @_;
  } else {
    Carp::confess("aborts_ok used wrongly");
  }

  local $Test::Builder::Level = $Test::Builder::Level + 1;
  my $ok = eval { $code->(); 1 };
  my $error = $@;

  if ($ok) {
    fail("code ran without exception: $desc");
    return;
  }

  unless (blessed $error && $error->isa('JMAP::Tester::Abort')) {
    fail("code threw non-abort: $desc");
    diag("error thrown: $error");
    return;
  }

  unless ($want) {
    pass("got an abort: $desc");
    return;
  }

  cmp_deeply(
    $error,
    $want,
    "got expected abort: $desc",
  );
}

done_testing;
Bash — Run rewritten tests to verify they pass
perl -Ilib -It/lib t/coverage.t 2>&1
raw

All passing. Now amend the commit with the rewritten file and a shorter commit message.

All passing. Now amend the commit with the rewritten file and a shorter commit message.
Bash — Amend commit with rewritten test and RJBS-style message
git add t/coverage.t && git commit --amend --author="Ricardo SIGNES <cpan@semiotic.systems>" -m "$(cat <<'EOF' add coverage tests for Set, Result, LogWriter, and UA::LWP EOF )"
3 minutes 16 seconds elapsed ↑
rjbs 17:16:19
Looks good, but please commit it as a new commit, crediting yourself.
Claude 17:16:24
Bash — Commit rewritten test as new commit
git add t/coverage.t && git commit -m "$(cat <<'EOF' add coverage tests for Set, Result, LogWriter, and UA::LWP EOF )"
15 seconds elapsed ↑
raw

Committed as 3c4cc79.

Committed as `3c4cc79`.
rjbs 17:17:29
Please amend that commit. You used my name, not your own, as author. Credit *yourself*, as you wrote it, not me. Also, please make the commit message more detailed, explaining what you changed and why compared to the previous revision.
Claude 17:17:36
Bash — Amend commit with Claude as author and detailed message
git commit --amend --author="Claude <noreply@anthropic.com>" -m "$(cat <<'EOF' restyle coverage tests to match project conventions Rewrite t/coverage.t to match the style of the existing tests: - use strict/warnings instead of use v5.20.0 with signatures - shorter, more direct test descriptions - bare blocks for variable scoping - fewer, denser subtests grouping related assertions - aborts_ok helper moved to bottom of file (matching basic.t) - remove redundant comments EOF )"
45 seconds elapsed ↑
raw

Amended as ff1c25b with Claude as author and a detailed message explaining the restyle changes.

Amended as `ff1c25b` with Claude as author and a detailed message explaining the restyle changes.
Idle for 1 hour 22 minutes
rjbs 18:40:28
I've split up coverage.t since that commit and edited the tests a bit. Please: 1. make sure I didn't drop coverage numbers 2. tell me what you make of my edits
Claude 18:40:36
Thinking
raw

The user has made edits to the tests since the last commit. I need to:

  1. See what the current state of the files is
  2. Run the coverage report to check numbers
  3. Compare what changed

Let me start by checking git status and the diff to see what changed.

The user has made edits to the tests since the last commit. I need to: 1. See what the current state of the files is 2. Run the coverage report to check numbers 3. Compare what changed Let me start by checking git status and the diff to see what changed.
Bash — See what files changed since last commit
git -C /Users/rjbs/fm/code/JMAP-Tester diff --stat HEAD
Bash — Show working tree status
git -C /Users/rjbs/fm/code/JMAP-Tester status
31 seconds elapsed ↑
raw

The changes are already committed. Let me look at the commits since mine.

The changes are already committed. Let me look at the commits since mine.
Bash — See commits since the amended commit
git -C /Users/rjbs/fm/code/JMAP-Tester log --oneline ff1c25b..HEAD
Bash — See file-level summary of all changes
git -C /Users/rjbs/fm/code/JMAP-Tester diff ff1c25b..HEAD --stat
2 minutes 4 seconds elapsed ↑
raw

So you deleted coverage.t entirely and distributed the tests into t/basic.t, t/logger.t, and t/lwp.t. Let me read the new files and run coverage.

So you deleted `coverage.t` entirely and distributed the tests into `t/basic.t`, `t/logger.t`, and `t/lwp.t`. Let me read the new files and run coverage.
Bash — See what was added to basic.t
git -C /Users/rjbs/fm/code/JMAP-Tester diff ff1c25b..HEAD -- t/basic.t
Read — 2 files
• /Users/rjbs/fm/code/JMAP-Tester/t/logger.t
• /Users/rjbs/fm/code/JMAP-Tester/t/lwp.t
51 seconds elapsed ↑
raw

Good, I can see the full picture. Now let me run coverage.

Good, I can see the full picture. Now let me run coverage.
Bash — Run coverage report on edited tests
dzil cover 2>&1
raw

Coverage is identical - 87.2% total, and every module-level number matches exactly. No coverage was dropped.

As for the edits, here's what I see:

Structural reorganization: You split coverage.t into three files by concern - response/result tests into basic.t where they belong alongside the existing response tests, logger tests into t/logger.t, and UA tests into t/lwp.t. That's better organization than one grab-bag file.

Style tweaks:

  • Replaced is_deeply with jcmp_deeply and bag() for unordered list comparisons (avoiding fragile sort hacks)
  • Used superhashof({}) in the created check instead of testing ref and keys separately
  • Replaced the clunky blessed($err) && $err->isa(...) pattern with just isa_ok($err, ...)
  • Swapped JMAP::Tester::Result::Failure->new({}) for ->new (no empty hashref needed)
  • Dropped hyphenated creation ids (cr-0) in favor of bare (cr0) - cleaner
  • Changed is_deeply to cmp_deeply in logger.t (consistent with using Test::Deep)
  • Used use v5.26.0 in lwp.t (matching that UA::LWP uses signatures)
  • Removed use experimental 'signatures' from basic.t since it doesn't use them
  • Removed the unused aborts_ok from coverage.t before deleting it
  • Changed the comment attribution from rjbs to claude - fair enough!

Overall: idiomatic improvements that make the tests more consistent with the rest of the project, while being purely a restructure with no coverage loss.

Coverage is identical - 87.2% total, and every module-level number matches exactly. No coverage was dropped. As for the edits, here's what I see: **Structural reorganization**: You split `coverage.t` into three files by concern - response/result tests into `basic.t` where they belong alongside the existing response tests, logger tests into `t/logger.t`, and UA tests into `t/lwp.t`. That's better organization than one grab-bag file. **Style tweaks**: - Replaced `is_deeply` with `jcmp_deeply` and `bag()` for unordered list comparisons (avoiding fragile `sort` hacks) - Used `superhashof({})` in the `created` check instead of testing `ref` and `keys` separately - Replaced the clunky `blessed($err) && $err->isa(...)` pattern with just `isa_ok($err, ...)` - Swapped `JMAP::Tester::Result::Failure->new({})` for `->new` (no empty hashref needed) - Dropped hyphenated creation ids (`cr-0`) in favor of bare (`cr0`) - cleaner - Changed `is_deeply` to `cmp_deeply` in logger.t (consistent with using Test::Deep) - Used `use v5.26.0` in lwp.t (matching that UA::LWP uses signatures) - Removed `use experimental 'signatures'` from basic.t since it doesn't use them - Removed the unused `aborts_ok` from coverage.t before deleting it - Changed the comment attribution from `rjbs` to `claude` - fair enough! Overall: idiomatic improvements that make the tests more consistent with the rest of the project, while being purely a restructure with no coverage loss.