README

A Pest PHP plugin that annotates coverage output with class-level details, type coverage, cyclomatic complexity, baseline diffs, and flexible export formats.

Requirements

PHP 8.3+
Pest PHP 4.0+
A code coverage driver (Xdebug, PCOV, or PHPDBG)

Installation

composer require --dev mrpunyapal/pest-annotator-plugin

Usage

Run Pest with coverage and any of the --annotate-* flags:

./vendor/bin/pest --coverage --annotate

Flags can be freely combined:

./vendor/bin/pest --coverage --annotate-methods --annotate-types --annotate-complexity

Flags Reference

Coverage Annotations

Flag	Description
`--annotate`	Show class-level coverage annotations
`--annotate-methods`	Show per-method details with line numbers
`--annotate-covered`	Also include fully covered classes and methods in output

Type Coverage

Flag	Description
`--annotate-types`	Analyse PHP files for missing return, parameter, and property types

Complexity Analysis

Flag	Description
`--annotate-complexity`	Show cyclomatic complexity per method, cross-referenced with coverage

Baseline & Diff

Flag	Description
`--annotate-save-baseline`	Save the current coverage report as a baseline (`.pest-annotator-baseline.json`)
`--annotate-diff`	Show coverage changes relative to the saved baseline

Filtering & Thresholds

Flag	Description
`--annotate-min=N`	Exit with a non-zero code if total coverage is below `N`%
`--annotate-namespace=Prefix`	Restrict output to classes matching the given namespace prefix
`--annotate-exclude=Prefix`	Exclude classes matching the given namespace prefix

Export

Flag	Description
`--annotate-format=FORMAT`	Export coverage report (`json`, `markdown`, or `html`)
`--annotate-output=PATH`	Write the export to `PATH` (defaults to stdout)

Examples

Basic coverage annotations

./vendor/bin/pest --coverage --annotate

  Fully Uncovered Classes

  ░░░░░░░░░░   0.0% (0/3 methods, 0.0% lines) App\Services\InvoiceService

  Partially Covered Classes

  ████████░░  80.0% (4/5 methods, 85.0% lines) App\Jobs\UpdateUserAvatar

  Summary

  Total Classes:      5
  Fully Covered:      3
  Partially Covered:  1
  Fully Uncovered:    1

With per-method details

./vendor/bin/pest --coverage --annotate-methods

  Partially Covered Classes

  ████████░░  80.0% (4/5 methods, 85.0% lines) App\Jobs\UpdateUserAvatar
     ✕ failed() L42-58 (0/8 lines)

Type coverage analysis

./vendor/bin/pest --coverage --annotate-types

  Type Coverage

  ██████████  100.0% App\Data\UserDto
  ████████░░   80.0% App\Services\UserService
     missing return type: handle()
     missing param type:  handle() $request

Complexity analysis

./vendor/bin/pest --coverage --annotate-complexity

  Complexity Analysis

  App\Services\PaymentService
     processPayment()   complexity: 12   coverage:  30.0%  ⚠ high risk
     refund()           complexity:  3   coverage: 100.0%

Methods with complexity ≥ 10 and coverage below 50 % are flagged as ⚠ high risk.

Baseline workflow

Save a baseline after a clean run, then compare on subsequent runs:

# save baseline
./vendor/bin/pest --coverage --annotate-save-baseline

# compare against baseline
./vendor/bin/pest --coverage --annotate-diff

  Coverage Diff

  ↑ App\Services\UserService    75.0% → 90.0%  (+15.0%)
  ↓ App\Jobs\SendEmail          80.0% → 60.0%  (-20.0%)

Minimum coverage threshold

./vendor/bin/pest --coverage --annotate --annotate-min=80

Exits with a non-zero status code if total coverage drops below 80 %.

Namespace filtering

# only show App\Services classes
./vendor/bin/pest --coverage --annotate --annotate-namespace=App\\Services

# exclude test helpers
./vendor/bin/pest --coverage --annotate --annotate-exclude=App\\Testing

Export formats

# print JSON to stdout
./vendor/bin/pest --coverage --annotate --annotate-format=json

# write Markdown (suitable for PR comments) to a file
./vendor/bin/pest --coverage --annotate --annotate-format=markdown --annotate-output=coverage.md

# write a self-contained HTML report
./vendor/bin/pest --coverage --annotate --annotate-format=html --annotate-output=coverage.html

How It Works

Hooks into Pest's plugin lifecycle via HandlesArguments and AddsOutput
All --annotate-* flags are consumed before they reach Pest/PHPUnit
After tests complete, reads the native CodeCoverage object
Extracts class-level and method-level coverage data including line numbers
Optionally analyses PHP files for type declarations (using nikic/php-parser) and cyclomatic complexity (using sebastian/complexity)
Renders annotated output grouped by coverage status, with progress bars and colour indicators

Development

git clone https://github.com/mrpunyapal/pest-annotator-plugin.git
cd pest-annotator-plugin
composer install
composer test

License

MIT

mrpunyapal / pest-annotator-plugin

Maintainers

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