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<?php declare(strict_types=1); |
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use LeoCarmo\CircuitBreaker\Adapters\AdapterInterface; |
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use LeoCarmo\CircuitBreaker\Adapters\SwooleTableAdapter; |
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use LeoCarmo\CircuitBreaker\CircuitBreaker; |
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use LeoCarmo\CircuitBreaker\Adapters\RedisAdapter; |
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use PHPUnit\Framework\TestCase; |
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class AdaptersTest extends TestCase |
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{ |
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public function testCreateRedisAdapter() |
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{ |
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$redis = new \Redis(); |
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$redis->connect(getenv('REDIS_HOST')); |
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$adapter = new RedisAdapter($redis, 'my-product'); |
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$this->assertInstanceOf(AdapterInterface::class, $adapter); |
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return $adapter; |
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} |
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public function testCreateSwooleTableAdapter() |
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{ |
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$adapter = new SwooleTableAdapter(); |
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$this->assertInstanceOf(AdapterInterface::class, $adapter); |
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return $adapter; |
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} |
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public function provideAdapters() |
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{ |
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return [ |
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'redis' => [$this->testCreateRedisAdapter()], |
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'swoole-table' => [$this->testCreateSwooleTableAdapter()], |
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]; |
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} |
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/** |
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* @dataProvider provideAdapters |
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*/ |
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public function testSetAdapter(AdapterInterface $adapter) |
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{ |
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$circuitBreaker = new CircuitBreaker($adapter, 'testSetAdapter'); |
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$this->assertInstanceOf(AdapterInterface::class, $circuitBreaker->getAdapter()); |
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} |
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/** |
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* @dataProvider provideAdapters |
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*/ |
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public function testOpenCircuit(AdapterInterface $adapter) |
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{ |
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$circuitBreaker = new CircuitBreaker($adapter, 'testOpenCircuit'); |
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$circuitBreaker->setSettings([ |
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'timeWindow' => 20, |
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'failureRateThreshold' => 5, |
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'intervalToHalfOpen' => 10, |
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]); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$this->assertFalse($circuitBreaker->isAvailable()); |
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} |
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/** |
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* @dataProvider provideAdapters |
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*/ |
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public function testReachFailureRateAfterTimeWindow(AdapterInterface $adapter) |
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{ |
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$circuitBreaker = new CircuitBreaker($adapter, 'testReachFailureRateAfterTimeWindow'); |
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$circuitBreaker->setSettings([ |
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'timeWindow' => 2, |
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'failureRateThreshold' => 2, |
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'intervalToHalfOpen' => 10, |
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]); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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sleep(3); |
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$this->assertTrue($circuitBreaker->isAvailable()); |
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} |
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/** |
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* @dataProvider provideAdapters |
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*/ |
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public function testCloseCircuitSuccess(AdapterInterface $adapter) |
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{ |
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$circuitBreaker = new CircuitBreaker($adapter, 'testCloseCircuitSuccess'); |
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$circuitBreaker->setSettings([ |
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'timeWindow' => 20, |
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'failureRateThreshold' => 1, |
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'intervalToHalfOpen' => 10, |
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]); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$this->assertFalse($circuitBreaker->isAvailable()); |
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$circuitBreaker->success(); |
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$this->assertTrue($circuitBreaker->isAvailable()); |
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} |
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/** |
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* @dataProvider provideAdapters |
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*/ |
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public function testHalfOpenFailAndOpenCircuit(AdapterInterface $adapter) |
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{ |
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$circuitBreaker = new CircuitBreaker($adapter, 'testHalfOpenFailAndOpenCircuit'); |
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$circuitBreaker->setSettings([ |
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'timeWindow' => 1, |
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'failureRateThreshold' => 3, |
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'intervalToHalfOpen' => 15, |
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]); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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$circuitBreaker->failure(); |
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// Check if is available for open circuit |
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$this->assertFalse($circuitBreaker->isAvailable()); |
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// Sleep for half open |
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sleep(2); |
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// Register new failure |
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$circuitBreaker->failure(); |
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// Check if is open |
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$this->assertFalse($circuitBreaker->isAvailable()); |
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} |
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} |
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leocarmo /
circuit-breaker-php
