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<?php |
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use LeoCarmo\CircuitBreaker\Adapters\AdapterInterface; |
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use LeoCarmo\CircuitBreaker\CircuitBreaker; |
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use PHPUnit\Framework\TestCase; |
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class CircuitBreakerTest extends TestCase |
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{ |
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public function testGetAdapter() |
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{ |
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$expected = $this->createMock(AdapterInterface::class); |
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CircuitBreaker::setAdapter($expected); |
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$adapter = CircuitBreaker::getAdapter(); |
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static::assertEquals($expected, $adapter); |
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} |
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public function testGetGlobalSettings() |
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{ |
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$settings = ['timeWindow' => 10]; |
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CircuitBreaker::setGlobalSettings($settings); |
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$globalSettings = CircuitBreaker::getGlobalSettings(); |
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$expected = [ |
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'timeWindow' => $settings['timeWindow'], |
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'failureRateThreshold' => CircuitBreaker::FAILURE_RATE_THRESHOLD, |
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'intervalToHalfOpen' => CircuitBreaker::INTERVAL_TO_HALF_OPEN, |
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]; |
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static::assertEquals($expected, $globalSettings); |
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} |
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public function testGetServiceSetting() |
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{ |
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$service = 'service-name'; |
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$setting = 'timeWindow'; |
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$settings = [$setting => 10]; |
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CircuitBreaker::setServiceSettings($service, $settings); |
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$serviceSetting = CircuitBreaker::getServiceSetting($service, $setting); |
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$expected = $settings[$setting]; |
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static::assertEquals($expected, $serviceSetting); |
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} |
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public function testIsAvailableWhenIsOpenThenReturnFalse() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->method('isOpen') |
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->with($service) |
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->willReturn(true); |
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CircuitBreaker::setAdapter($adapter); |
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$isAvailable = CircuitBreaker::isAvailable($service); |
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static::assertFalse($isAvailable); |
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} |
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public function testIsAvailableWhenReachRateLimitThenReturnFalse() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->method('isOpen') |
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->with($service) |
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->willReturn(false); |
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$adapter->method('reachRateLimit') |
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->with($service) |
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->willReturn(true); |
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$adapter->expects(self::once()) |
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->method('setOpenCircuit') |
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->with($service); |
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$adapter->expects(self::once()) |
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->method('setHalfOpenCircuit') |
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->with($service); |
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CircuitBreaker::setAdapter($adapter); |
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$isAvailable = CircuitBreaker::isAvailable($service); |
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static::assertFalse($isAvailable); |
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} |
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public function testIsAvailableWhenIsNotOpenAndIsNotReachRateLimitThenReturnTrue() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->method('isOpen') |
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->with($service) |
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->willReturn(false); |
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$adapter->method('reachRateLimit') |
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->with($service) |
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->willReturn(false); |
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CircuitBreaker::setAdapter($adapter); |
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$isAvailable = CircuitBreaker::isAvailable($service); |
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static::assertTrue($isAvailable); |
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} |
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public function testFailureWhenIsHalfOpenThenReturnFalse() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->method('isHalfOpen') |
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->with($service) |
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->willReturn(true); |
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$adapter->expects(self::once()) |
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->method('setOpenCircuit') |
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->with($service); |
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$adapter->expects(self::once()) |
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->method('setHalfOpenCircuit') |
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->with($service); |
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CircuitBreaker::setAdapter($adapter); |
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$isFailure = CircuitBreaker::failure($service); |
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static::assertFalse($isFailure); |
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} |
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public function testFailureWhenIncrementFailureIsFalseThenReturnFalse() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->method('isHalfOpen') |
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->with($service) |
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->willReturn(false); |
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$adapter->method('incrementFailure') |
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->with($service) |
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->willReturn(false); |
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CircuitBreaker::setAdapter($adapter); |
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$isFailure = CircuitBreaker::failure($service); |
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static::assertFalse($isFailure); |
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} |
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public function testFailureWhenIncrementFailureIsTrueThenReturnTrue() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->method('isHalfOpen') |
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->with($service) |
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->willReturn(false); |
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$adapter->method('incrementFailure') |
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->with($service) |
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->willReturn(true); |
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CircuitBreaker::setAdapter($adapter); |
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$isFailure = CircuitBreaker::failure($service); |
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static::assertTrue($isFailure); |
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} |
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public function testSuccess() |
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{ |
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$service = 'service-name'; |
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$adapter = $this->createMock(AdapterInterface::class); |
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$adapter->expects(self::once()) |
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->method('setSuccess') |
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->with($service); |
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CircuitBreaker::setAdapter($adapter); |
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CircuitBreaker::success($service); |
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} |
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} |
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leocarmo /
circuit-breaker-php
