feat: rewrites --dirty support

bin/pest

@@ -3,10 +3,9 @@
 
 use Pest\Actions\ValidatesEnvironment;
 use Pest\ConfigLoader;
-use Pest\Repositories\TestRepository;
-use Pest\Support\Container;
 use Pest\Kernel;
-use Pest\Support\DirtyTestCaseFilter;
+use Pest\Support\Container;
+use Pest\TestCaseFilters\GitDirtyTestCaseFilter;
 use Pest\TestSuite;
 use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Console\Output\ConsoleOutput;
@@ -46,20 +45,17 @@ use Symfony\Component\Console\Output\OutputInterface;
     $rootPath = dirname($autoloadPath, 2);
     $argv = new ArgvInput();
 
-    $filters = [];
-
-    foreach ($args as $key => $value) {
-        if (str_contains($value, '--dirty')) {
-            $filters[] = new DirtyTestCaseFilter($rootPath);
-        }
-    }
-
     $testSuite = TestSuite::getInstance(
         $rootPath,
         $argv->getParameterOption('--test-directory', (new ConfigLoader($rootPath))->getTestsDirectory()),
-        new TestRepository($filters),
     );
 
+    foreach ($args as $key => $value) {
+        if (str_contains($value, '--dirty')) {
+            $testSuite->tests->filter(new GitDirtyTestCaseFilter($rootPath));
+        }
+    }
+
     $isDecorated = $argv->getParameterOption('--colors', 'always') !== 'never';
 
     $output = new ConsoleOutput(ConsoleOutput::VERBOSITY_NORMAL, $isDecorated);

src/Contracts/TestCaseFilter.php

@@ -6,5 +6,8 @@ namespace Pest\Contracts;
 
 interface TestCaseFilter
 {
-    public function canLoad(string $suiteClassFile): bool;
+    /**
+     * Whether the test case is accepted.
+     */
+    public function accept(string $testCaseFilename): bool;
 }

src/Repositories/TestRepository.php

@@ -29,11 +29,9 @@ final class TestRepository
     private array $uses = [];
 
     /**
-     * @param array<int, TestCaseFilter> $testCaseFilters
+     * @var array<int, TestCaseFilter>
      */
-    public function __construct(private readonly array $testCaseFilters = [])
-    {
-    }
+    private array $filters = [];
 
     /**
      * Counts the number of test cases.
@@ -92,6 +90,14 @@ final class TestRepository
         }
     }
 
+    /**
+     * Filters the test cases using the given filter.
+     */
+    public function filter(TestCaseFilter $filter): void
+    {
+        $this->filters[] = $filter;
+    }
+
     /**
      * Gets the test case factory from the given filename.
      */
@@ -121,13 +127,13 @@ final class TestRepository
             return;
         }
 
-        $canLoad = array_reduce(
-            $this->testCaseFilters,
-            fn(bool $carry, TestCaseFilter $filter): bool => $carry && $filter->canLoad($filename),
+        $accepted = array_reduce(
+            $this->filters,
+            fn (bool $carry, TestCaseFilter $filter): bool => $carry && $filter->accept($filename),
             true,
         );
 
-        if ($canLoad) {
+        if ($accepted) {
             $this->make($this->testCases[$filename]);
         }
     }

src/Support/DirtyTestCaseFilter.php

@@ -1,47 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Pest\Support;
-
-use Pest\Contracts\TestCaseFilter;
-use Symfony\Component\Process\Process;
-
-final class DirtyTestCaseFilter implements TestCaseFilter
-{
-    /**
-     * @var array<string>
-     */
-    private array $changedFiles = [];
-
-    public function __construct(private string $projectRoot)
-    {
-        $this->loadDiff();
-    }
-
-    public function canLoad(string $suiteClassFile): bool
-    {
-        $relativePath = str_replace($this->projectRoot, '', $suiteClassFile);
-
-        if (str_starts_with($relativePath, '/')) {
-            $relativePath = substr($relativePath, 1);
-        }
-
-        return in_array($relativePath, $this->changedFiles, true);
-    }
-
-    private function loadDiff(): void
-    {
-        $process = new Process([
-            'git',
-            'diff',
-            '--name-only',
-            'HEAD',
-            '--',
-            '*.php',
-        ]);
-        $process->run();
-
-        $this->changedFiles = explode(PHP_EOL, trim($process->getOutput()));
-    }
-}

src/TestCaseFilters/GitDirtyTestCaseFilter.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\TestCaseFilters;
+
+use Pest\Contracts\TestCaseFilter;
+use Pest\Exceptions\MissingDependency;
+use Symfony\Component\Process\Process;
+
+final class GitDirtyTestCaseFilter implements TestCaseFilter
+{
+    /**
+     * @var array<string>
+     */
+    private array $changedFiles = [];
+
+    public function __construct(private readonly string $projectRoot)
+    {
+        $this->loadDiff();
+    }
+
+    public function accept(string $testCaseFilename): bool
+    {
+        $relativePath = str_replace($this->projectRoot, '', $testCaseFilename);
+
+        if (str_starts_with($relativePath, '/')) {
+            $relativePath = substr($relativePath, 1);
+        }
+
+        return in_array($relativePath, $this->changedFiles, true);
+    }
+
+    private function loadDiff(): void
+    {
+        $process = new Process(['git', 'status', '--short', '--', '*.php']);
+        $process->run();
+
+        if (! $process->isSuccessful()) {
+            throw new MissingDependency('Filter by dirty files', 'git');
+        }
+
+        $output = preg_split('/\R+/', $process->getOutput(), flags: PREG_SPLIT_NO_EMPTY);
+        assert(is_array($output));
+
+        $dirtyFiles = [];
+
+        foreach ($output as $dirtyFile) {
+            $dirtyFiles[substr($dirtyFile, 3)] = trim(substr($dirtyFile, 0, 3));
+        }
+
+        $dirtyFiles = array_filter($dirtyFiles, fn ($status): bool => $status !== 'D');
+
+        $dirtyFiles = array_map(fn ($file, $status): string => in_array($status, ['R', 'RM'], true) ? explode(' -> ', $file)[1] : $file, array_keys($dirtyFiles), $dirtyFiles);
+
+        $this->changedFiles = $dirtyFiles = array_values($dirtyFiles);
+    }
+}

src/TestSuite.php

@@ -23,6 +23,11 @@ final class TestSuite
      */
     public ?TestCase $test = null;
 
+    /**
+     * Holds the tests repository.
+     */
+    public TestRepository $tests;
+
     /**
      * Holds the before each repository.
      */
@@ -64,11 +69,10 @@ final class TestSuite
     public function __construct(
         string $rootPath,
         public string $testPath,
-        public TestRepository $tests = new TestRepository(),
-    )
-    {
+    ) {
         $this->beforeAll = new BeforeAllRepository();
         $this->beforeEach = new BeforeEachRepository();
+        $this->tests = new TestRepository();
         $this->afterEach = new AfterEachRepository();
         $this->afterAll = new AfterAllRepository();
         $this->retryRepository = new RetryRepository('retry');
@@ -82,11 +86,9 @@ final class TestSuite
     public static function getInstance(
         string $rootPath = null,
         string $testPath = null,
-        TestRepository $tests = null,
-    ): TestSuite
-    {
+    ): TestSuite {
         if (is_string($rootPath) && is_string($testPath)) {
-            self::$instance = new TestSuite($rootPath, $testPath, $tests);
+            self::$instance = new TestSuite($rootPath, $testPath);
 
             foreach (Plugin::$callables as $callable) {
                 $callable();