Add burn testing to CI

mvorisek · mvorisek · commit 3fd576ba26b9 · 2024-12-05T23:49:18.000+01:00
diff --git a/.github/workflows/test-unit.yml b/.github/workflows/test-unit.yml
@@ -66,6 +66,9 @@ jobs:
       matrix:
         php: ['7.4', '8.0', '8.1', '8.2', '8.3']
         type: ['Phpunit', 'Phpunit Lowest']
+        include:
+          - php: 'latest'
+            type: 'Phpunit Burn'
     env:
       LOG_COVERAGE: "${{ fromJSON('{true: \"1\", false: \"\"}')[matrix.php == '8.3' && matrix.type == 'Phpunit' && (github.event_name == 'pull_request' || (github.event_name == 'push' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/master')))] }}"
     services:
@@ -108,12 +111,13 @@ jobs:
 
       - name: Install PHP dependencies
         run: |
-          if [ "${{ matrix.type }}" != "Phpunit" ] && [ "${{ matrix.type }}" != "Phpunit Lowest" ]; then composer remove --no-interaction --no-update phpunit/phpunit ergebnis/phpunit-slow-test-detector --dev; fi
+          if [ "${{ matrix.type }}" != "Phpunit" ] && [ "${{ matrix.type }}" != "Phpunit Lowest" ] && [ "${{ matrix.type }}" != "Phpunit Burn" ]; then composer remove --no-interaction --no-update phpunit/phpunit ergebnis/phpunit-slow-test-detector --dev; fi
           if [ "${{ matrix.type }}" != "CodingStyle" ]; then composer remove --no-interaction --no-update friendsofphp/php-cs-fixer ergebnis/composer-normalize --dev; fi
           if [ "${{ matrix.type }}" != "StaticAnalysis" ]; then composer remove --no-interaction --no-update phpstan/\* --dev; fi
           if [ -n "$LOG_COVERAGE" ]; then composer require --no-interaction --no-install phpunit/phpcov; fi
           composer update --ansi --prefer-dist --no-interaction --no-progress --optimize-autoloader
           if [ "${{ matrix.type }}" = "Phpunit Lowest" ]; then composer update --ansi --prefer-dist --prefer-lowest --prefer-stable --no-interaction --no-progress --optimize-autoloader; fi
+          if [ "${{ matrix.type }}" = "Phpunit Burn" ]; then sed -i 's~public function runBare(): void~public function runBare(): void { gc_collect_cycles(); $memDiffs = array_fill(0, '"$(if [ \"$GITHUB_EVENT_NAME\" == \"schedule\" ]; then echo 64; else echo 16; fi)"', 0); $emitter = Event\\Facade::emitter(); for ($i = -1; $i < count($memDiffs); ++$i) { $this->_runBare(); if ($this->inIsolation) { $dispatcher = \\Closure::bind(static fn () => $emitter->dispatcher, null, Event\\DispatchingEmitter::class)(); if ($i === -1) { $dispatcherEvents = $dispatcher->flush()->asArray(); } else { $dispatcher->flush(); } foreach ($dispatcherEvents as $event) { $dispatcher->dispatch($event); } } gc_collect_cycles(); $mem = memory_get_usage(); if ($i !== -1) { $memDiffs[$i] = $mem - $memPrev; } $memPrev = $mem; rsort($memDiffs); if (array_sum($memDiffs) >= 4096 * 1024 || $memDiffs[2] > 0) { $e = new AssertionFailedError("Memory leak detected! (" . implode(" + ", array_map(static fn ($v) => number_format($v / 1024, 3, ".", " "), array_filter($memDiffs))) . " KB, " . ($i + 2) . " iterations)"); $this->status = TestStatus::failure($e->getMessage()); $emitter->testFailed($this->valueObjectForEvents(), Event\\Code\\ThrowableBuilder::from($e), Event\\Code\\ComparisonFailureBuilder::from($e)); $this->onNotSuccessfulTest($e); } } } private function _runBare(): void~' vendor/phpunit/phpunit/src/Framework/TestCase.php && cat vendor/phpunit/phpunit/src/Framework/TestCase.php | grep '_runBare('; fi
 
       - name: Init
         run: |
diff --git a/README.md b/README.md
@@ -253,7 +253,7 @@ continue to function as long as a majority of the servers still works.
 
 Example:
 ```php
-$redis = new Redis();
+$redis = new \Redis();
 $redis->connect('localhost');
 
 $mutex = new PHPRedisMutex([$redis], 'balance');
@@ -275,7 +275,7 @@ The **PredisMutex** is the distributed lock implementation of
 
 Example:
 ```php
-$redis = new Client('redis://localhost');
+$redis = new \Predis\Client('redis://localhost');
 
 $mutex = new PredisMutex([$redis], 'balance');
 $mutex->synchronized(function () use ($bankAccount, $amount) {
@@ -354,7 +354,7 @@ Also note that `GET_LOCK` function is server wide and the MySQL manual suggests
 you to namespace your locks like `dbname.lockname`.
 
 ```php
-$pdo = new PDO('mysql:host=localhost;dbname=test', 'username');
+$pdo = new \PDO('mysql:host=localhost;dbname=test', 'username');
 
 $mutex = new MySQLMutex($pdo, 'balance', 15);
 $mutex->synchronized(function () use ($bankAccount, $amount) {
@@ -380,7 +380,7 @@ No time outs are supported. If the connection to the database server is lost or
 interrupted, the lock is automatically released.
 
 ```php
-$pdo = new PDO('pgsql:host=localhost;dbname=test', 'username');
+$pdo = new \PDO('pgsql:host=localhost;dbname=test', 'username');
 
 $mutex = new PgAdvisoryLockMutex($pdo, 'balance');
 $mutex->synchronized(function () use ($bankAccount, $amount) {
diff --git a/tests/mutex/CASMutexTest.php b/tests/mutex/CASMutexTest.php
@@ -7,6 +7,7 @@
 use malkusch\lock\exception\LockAcquireException;
 use malkusch\lock\mutex\CASMutex;
 use phpmock\environment\SleepEnvironmentBuilder;
+use phpmock\MockEnabledException;
 use phpmock\phpunit\PHPMock;
 use PHPUnit\Framework\TestCase;
 
@@ -19,14 +20,18 @@ protected function setUp(): void
     {
         parent::setUp();
 
-        $builder = new SleepEnvironmentBuilder();
-        $builder->addNamespace(__NAMESPACE__);
-        $builder->addNamespace('malkusch\lock\mutex');
-        $builder->addNamespace('malkusch\lock\util');
-        $sleep = $builder->build();
-        $sleep->enable();
-
-        $this->registerForTearDown($sleep);
+        $sleepBuilder = new SleepEnvironmentBuilder();
+        $sleepBuilder->addNamespace(__NAMESPACE__);
+        $sleepBuilder->addNamespace('malkusch\lock\mutex');
+        $sleepBuilder->addNamespace('malkusch\lock\util');
+        $sleep = $sleepBuilder->build();
+        try {
+            $sleep->enable();
+            $this->registerForTearDown($sleep);
+        } catch (MockEnabledException $e) {
+            // workaround for burn testing
+            \assert($e->getMessage() === 'microtime is already enabled.Call disable() on the existing mock.');
+        }
     }
 
     /**
diff --git a/tests/mutex/MemcachedMutexTest.php b/tests/mutex/MemcachedMutexTest.php
@@ -28,6 +28,8 @@ class MemcachedMutexTest extends TestCase
     #[\Override]
     protected function setUp(): void
     {
+        parent::setUp();
+
         $this->memcached = $this->createMock(\Memcached::class);
         $this->mutex = new MemcachedMutex('test', $this->memcached, 1);
     }
diff --git a/tests/mutex/MutexConcurrencyTest.php b/tests/mutex/MutexConcurrencyTest.php
@@ -82,12 +82,17 @@ private function fork(int $concurrency, \Closure $code): void
      *
      * @param \Closure(0|1): int     $code         The counter code
      * @param \Closure(float): Mutex $mutexFactory
+     * @param \Closure(): void       $setUp
      *
      * @dataProvider provideHighContentionCases
      */
     #[DataProvider('provideHighContentionCases')]
-    public function testHighContention(\Closure $code, \Closure $mutexFactory): void
+    public function testHighContention(\Closure $code, \Closure $mutexFactory, ?\Closure $setUp = null): void
     {
+        if ($setUp !== null) {
+            $setUp();
+        }
+
         $concurrency = 10;
         $iterations = 1000 / $concurrency;
         $timeout = $concurrency * 20;
@@ -110,14 +115,12 @@ public function testHighContention(\Closure $code, \Closure $mutexFactory): void
      */
     public static function provideHighContentionCases(): iterable
     {
-        foreach (static::provideExecutionIsSerializedWhenLockedCases() as [$mutexFactory]) {
+        foreach (static::provideExecutionIsSerializedWhenLockedCases() as $name => [$mutexFactory]) {
             $filename = tempnam(sys_get_temp_dir(), 'php-lock-high-contention');
 
             static::$temporaryFiles[] = $filename;
 
-            file_put_contents($filename, '0');
-
-            yield [
+            yield $name => [
                 static function (int $increment) use ($filename): int {
                     $counter = file_get_contents($filename);
                     $counter += $increment;
@@ -127,21 +130,19 @@ static function (int $increment) use ($filename): int {
                     return $counter;
                 },
                 $mutexFactory,
+                static function () use ($filename): void {
+                    file_put_contents($filename, '0');
+                },
             ];
         }
 
-        $addPDO = static function ($dsn, $user, $password, $vendor) {
+        $makePDOCase = static function (string $dsn, string $user, string $password, string $vendor) {
             $pdo = self::getPDO($dsn, $user, $password);
 
             $options = ['mysql' => 'engine=InnoDB'];
             $option = $options[$vendor] ?? '';
             $pdo->exec('CREATE TABLE IF NOT EXISTS counter(id INT PRIMARY KEY, counter INT) ' . $option);
 
-            $pdo->beginTransaction();
-            $pdo->exec('DELETE FROM counter');
-            $pdo->exec('INSERT INTO counter VALUES (1, 0)');
-            $pdo->commit();
-
             self::$pdo = null;
 
             return [
@@ -163,34 +164,40 @@ static function (int $increment) use ($dsn, $user, $password) {
 
                     return $counter;
                 },
-                static function ($timeout = 3) use ($dsn, $user, $password) {
+                static function ($timeout) use ($dsn, $user, $password) {
                     self::$pdo = null;
                     $pdo = self::getPDO($dsn, $user, $password);
 
                     return new TransactionalMutex($pdo, $timeout);
                 },
+                static function () use ($pdo): void {
+                    $pdo->beginTransaction();
+                    $pdo->exec('DELETE FROM counter');
+                    $pdo->exec('INSERT INTO counter VALUES (1, 0)');
+                    $pdo->commit();
+                },
             ];
         };
 
         if (getenv('MYSQL_DSN')) {
             $dsn = getenv('MYSQL_DSN');
             $user = getenv('MYSQL_USER');
             $password = getenv('MYSQL_PASSWORD');
-            yield 'mysql' => $addPDO($dsn, $user, $password, 'mysql');
+            yield 'mysql' => $makePDOCase($dsn, $user, $password, 'mysql');
         }
 
         if (getenv('PGSQL_DSN')) {
             $dsn = getenv('PGSQL_DSN');
             $user = getenv('PGSQL_USER');
             $password = getenv('PGSQL_PASSWORD');
-            yield 'postgres' => $addPDO($dsn, $user, $password, 'postgres');
+            yield 'postgres' => $makePDOCase($dsn, $user, $password, 'postgres');
         }
     }
 
     /**
      * Tests that five processes run sequentially.
      *
-     * @param \Closure(): Mutex $mutexFactory
+     * @param \Closure(float): Mutex $mutexFactory
      *
      * @dataProvider provideExecutionIsSerializedWhenLockedCases
      */
@@ -200,7 +207,7 @@ public function testExecutionIsSerializedWhenLocked(\Closure $mutexFactory): voi
         $time = \microtime(true);
 
         $this->fork(6, static function () use ($mutexFactory): void {
-            $mutex = $mutexFactory();
+            $mutex = $mutexFactory(3);
             $mutex->synchronized(static function (): void {
                 \usleep(200 * 1000);
             });
@@ -221,29 +228,29 @@ public static function provideExecutionIsSerializedWhenLockedCases(): iterable
 
         self::$temporaryFiles[] = $filename;
 
-        yield 'flock' => [static function ($timeout = 3) use ($filename): Mutex {
+        yield 'flock' => [static function ($timeout) use ($filename): Mutex {
             $file = fopen($filename, 'w');
 
-            return new FlockMutex($file);
+            return new FlockMutex($file, $timeout);
         }];
 
-        yield 'flockWithTimoutPcntl' => [static function ($timeout = 3) use ($filename): Mutex {
+        yield 'flockWithTimoutPcntl' => [static function ($timeout) use ($filename): Mutex {
             $file = fopen($filename, 'w');
             $lock = Liberator::liberate(new FlockMutex($file, $timeout));
             $lock->strategy = FlockMutex::STRATEGY_PCNTL; // @phpstan-ignore property.notFound
 
             return $lock->popsValue();
         }];
 
-        yield 'flockWithTimoutBusy' => [static function ($timeout = 3) use ($filename): Mutex {
+        yield 'flockWithTimoutBusy' => [static function ($timeout) use ($filename): Mutex {
             $file = fopen($filename, 'w');
             $lock = Liberator::liberate(new FlockMutex($file, $timeout));
             $lock->strategy = FlockMutex::STRATEGY_BUSY; // @phpstan-ignore property.notFound
 
             return $lock->popsValue();
         }];
 
-        yield 'semaphore' => [static function ($timeout = 3) use ($filename): Mutex {
+        yield 'semaphore' => [static function () use ($filename): Mutex {
             $semaphore = sem_get(ftok($filename, 'b'));
             self::assertThat(
                 $semaphore,
@@ -257,7 +264,7 @@ public static function provideExecutionIsSerializedWhenLockedCases(): iterable
         }];
 
         if (getenv('MEMCACHE_HOST')) {
-            yield 'memcached' => [static function ($timeout = 3): Mutex {
+            yield 'memcached' => [static function ($timeout): Mutex {
                 $memcached = new \Memcached();
                 $memcached->addServer(getenv('MEMCACHE_HOST'), 11211);
 
@@ -268,7 +275,7 @@ public static function provideExecutionIsSerializedWhenLockedCases(): iterable
         if (getenv('REDIS_URIS')) {
             $uris = explode(',', getenv('REDIS_URIS'));
 
-            yield 'PredisMutex' => [static function ($timeout = 3) use ($uris): Mutex {
+            yield 'PredisMutex' => [static function ($timeout) use ($uris): Mutex {
                 $clients = array_map(
                     static fn ($uri) => new Client($uri),
                     $uris
@@ -279,7 +286,7 @@ public static function provideExecutionIsSerializedWhenLockedCases(): iterable
 
             if (class_exists(\Redis::class)) {
                 yield 'PHPRedisMutex' => [
-                    static function ($timeout = 3) use ($uris): Mutex {
+                    static function ($timeout) use ($uris): Mutex {
                         $apis = array_map(
                             static function (string $uri): \Redis {
                                 $redis = new \Redis();
@@ -306,7 +313,7 @@ static function (string $uri): \Redis {
         }
 
         if (getenv('MYSQL_DSN')) {
-            yield 'MySQLMutex' => [static function ($timeout = 3): Mutex {
+            yield 'MySQLMutex' => [static function ($timeout): Mutex {
                 $pdo = new \PDO(getenv('MYSQL_DSN'), getenv('MYSQL_USER'), getenv('MYSQL_PASSWORD'));
                 $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
 
diff --git a/tests/mutex/MutexTest.php b/tests/mutex/MutexTest.php
@@ -36,6 +36,8 @@ class MutexTest extends TestCase
     #[\Override]
     public static function setUpBeforeClass(): void
     {
+        parent::setUpBeforeClass();
+
         vfsStream::setup('test');
     }
 
@@ -71,7 +73,7 @@ public static function provideMutexFactoriesCases(): iterable
             return $lock->popsValue();
         }];
 
-        yield 'flockWithTimoutBusy' => [static function ($timeout = 3): Mutex {
+        yield 'flockWithTimoutBusy' => [static function (): Mutex {
             $file = fopen(vfsStream::url('test/lock'), 'w');
             $lock = Liberator::liberate(new FlockMutex($file, 3));
             $lock->strategy = FlockMutex::STRATEGY_BUSY; // @phpstan-ignore property.notFound
diff --git a/tests/mutex/PHPRedisMutexTest.php b/tests/mutex/PHPRedisMutexTest.php
@@ -153,6 +153,15 @@ private function _eval(string $script, array $args = [], int $numKeys = 0)
         $this->mutex = new PHPRedisMutex($this->connections, 'test');
     }
 
+    #[\Override]
+    protected function assertPostConditions(): void
+    {
+        // workaround for burn testing
+        $this->connections = [];
+
+        parent::assertPostConditions();
+    }
+
     private function closeMajorityConnections(): void
     {
         $numberToClose = (int) ceil(count($this->connections) / 2);
@@ -209,7 +218,7 @@ public function testEvalScriptFails(): void
      * @dataProvider provideSerializersAndCompressorsCases
      */
     #[DataProvider('provideSerializersAndCompressorsCases')]
-    public function testSerializersAndCompressors($serializer, $compressor): void
+    public function testSerializersAndCompressors(int $serializer, int $compressor): void
     {
         foreach ($this->connections as $connection) {
             $connection->setOption(\Redis::OPT_SERIALIZER, $serializer);
diff --git a/tests/mutex/RedisMutexTest.php b/tests/mutex/RedisMutexTest.php
@@ -10,6 +10,7 @@
 use malkusch\lock\exception\TimeoutException;
 use malkusch\lock\mutex\RedisMutex;
 use phpmock\environment\SleepEnvironmentBuilder;
+use phpmock\MockEnabledException;
 use phpmock\phpunit\PHPMock;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Group;
@@ -34,9 +35,13 @@ protected function setUp(): void
         $sleepBuilder->addNamespace('malkusch\lock\mutex');
         $sleepBuilder->addNamespace('malkusch\lock\util');
         $sleep = $sleepBuilder->build();
-
-        $sleep->enable();
-        $this->registerForTearDown($sleep);
+        try {
+            $sleep->enable();
+            $this->registerForTearDown($sleep);
+        } catch (MockEnabledException $e) {
+            // workaround for burn testing
+            \assert($e->getMessage() === 'microtime is already enabled.Call disable() on the existing mock.');
+        }
     }
 
     /**
@@ -136,7 +141,7 @@ static function () use (&$i, $available): bool {
      * @dataProvider provideMinorityCases
      */
     #[DataProvider('provideMinorityCases')]
-    public function testAcquireTooFewKeys($count, $available): void
+    public function testAcquireTooFewKeys(int $count, int $available): void
     {
         $this->expectException(TimeoutException::class);
         $this->expectExceptionMessage('Timeout of 1.0 seconds exceeded');
diff --git a/tests/mutex/SpinlockMutexTest.php b/tests/mutex/SpinlockMutexTest.php
diff --git a/tests/util/LoopTest.php b/tests/util/LoopTest.php

Original file line number	Diff line number	Diff line change
`@@ -28,6 +28,8 @@ class MemcachedMutexTest extends TestCase`
`28`	`28`	`#[\Override]`
`29`	`29`	`protected function setUp(): void`
`30`	`30`	`{`
	`31`	`+ parent::setUp();`
	`32`	`+`
`31`	`33`	`$this->memcached = $this->createMock(\Memcached::class);`
`32`	`34`	`$this->mutex = new MemcachedMutex('test', $this->memcached, 1);`
`33`	`35`	`}`