test: isolate HotReloader fixtures and refresh migration services

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

Author: memleakd

tests/system/Commands/MigrationIntegrationTest.php

@@ -83,6 +83,7 @@ public function testMigrationWithRollbackHasSameNameFormat(): void
         );
 
         $this->resetStreamFilterBuffer();
+        $this->resetServices();
 
         command('migrate:rollback -n App');
         $this->assertStringContainsString(

tests/system/HotReloader/DirectoryHasherTest.php

@@ -13,8 +13,10 @@
 
 namespace CodeIgniter\HotReloader;
 
+use CodeIgniter\Config\Factories;
 use CodeIgniter\Exceptions\FrameworkException;
 use CodeIgniter\Test\CIUnitTestCase;
+use Config\Toolbar;
 use PHPUnit\Framework\Attributes\Group;
 
 /**
@@ -24,20 +26,44 @@
 final class DirectoryHasherTest extends CIUnitTestCase
 {
     private DirectoryHasher $hasher;
+    private string $fixtureDirectory;
+    private string $fixturePath;
+    private string $fixturePathAlt;
 
     protected function setUp(): void
     {
         parent::setUp();
 
+        $suffix                    = str_replace('.', '', uniqid('', true));
+        $this->fixtureDirectory    = 'writable/hot-reloader-test-' . $suffix;
+        $fixtureDirectoryAlt       = 'writable/hot-reloader-test-alt-' . $suffix;
+        $this->fixturePath         = ROOTPATH . $this->fixtureDirectory . '/';
+        $this->fixturePathAlt      = ROOTPATH . $fixtureDirectoryAlt . '/';
+
+        $this->createFixtureDirectory($this->fixturePath, 'test');
+        $this->createFixtureDirectory($this->fixturePathAlt, 'test-alt');
+
         $this->hasher = new DirectoryHasher();
     }
 
+    protected function tearDown(): void
+    {
+        $this->removeFixtureDirectory($this->fixturePath);
+        $this->removeFixtureDirectory($this->fixturePathAlt);
+
+        parent::tearDown();
+    }
+
     public function testHashApp(): void
     {
+        $config                     = new Toolbar();
+        $config->watchedDirectories = [$this->fixtureDirectory];
+        Factories::injectMock('config', Toolbar::class, $config);
+
         $results = $this->hasher->hashApp();
 
         $this->assertIsArray($results);
-        $this->assertArrayHasKey('app', $results);
+        $this->assertArrayHasKey($this->fixtureDirectory, $results);
     }
 
     public function testHashDirectoryInvalid(): void
@@ -50,24 +76,48 @@ public function testHashDirectoryInvalid(): void
 
     public function testUniqueHashes(): void
     {
-        $hash1 = $this->hasher->hashDirectory(APPPATH);
-        $hash2 = $this->hasher->hashDirectory(SYSTEMPATH);
+        $hash1 = $this->hasher->hashDirectory($this->fixturePath);
+        $hash2 = $this->hasher->hashDirectory($this->fixturePathAlt);
 
         $this->assertNotSame($hash1, $hash2);
     }
 
     public function testRepeatableHashes(): void
     {
-        $hash1 = $this->hasher->hashDirectory(APPPATH);
-        $hash2 = $this->hasher->hashDirectory(APPPATH);
+        $hash1 = $this->hasher->hashDirectory($this->fixturePath);
+        $hash2 = $this->hasher->hashDirectory($this->fixturePath);
 
         $this->assertSame($hash1, $hash2);
     }
 
     public function testHash(): void
     {
+        $config                     = new Toolbar();
+        $config->watchedDirectories = [$this->fixtureDirectory];
+        Factories::injectMock('config', Toolbar::class, $config);
+
         $expected = md5(implode('', $this->hasher->hashApp()));
 
         $this->assertSame($expected, $this->hasher->hash());
     }
+
+    private function createFixtureDirectory(string $path, string $contents): void
+    {
+        if (! is_dir($path)) {
+            mkdir($path, 0777, true);
+        }
+
+        file_put_contents($path . 'index.php', $contents);
+    }
+
+    private function removeFixtureDirectory(string $path): void
+    {
+        if (is_file($path . 'index.php')) {
+            unlink($path . 'index.php');
+        }
+
+        if (is_dir($path)) {
+            rmdir($path);
+        }
+    }
 }