ContainerTest::testImplementsContainerInterface() - Code Metrics - Inspection of "Refactored project to use PHP 7.4 as minimum requi..." - alex-patterson-webdev/container - Measure and Improve Code Quality continuously with Scrutinizer

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Pull Request — master (#3)

by Alex

created 2020-09-13 12:36 UTC

ContainerTest::testImplementsContainerInterface() A

↳ Parent: ContainerTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	2
c	0
b	0
f	0
dl	0
loc	5
rs	10
cc	1
nc	1
nop	0

<?php

declare(strict_types=1);

namespace ArpTest\Container;

use Arp\Container\Adapter\ContainerAdapterInterface;
use Arp\Container\Adapter\Exception\AdapterException;
use Arp\Container\Adapter\Exception\NotFoundException as AdapterNotFoundException;
use Arp\Container\Container;
use Arp\Container\Exception\ContainerException;
use Arp\Container\Exception\NotFoundException;
use Arp\Container\Provider\Exception\ServiceProviderException;
use Arp\Container\Provider\ServiceProviderInterface;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\ContainerInterface;

/**
 * @covers  \Arp\Container\Container
 *
 * @author  Alex Patterson <[email protected]>
 * @package ArpTest\Container
 */
final class ContainerTest extends TestCase
{
    /**
     * @var ContainerAdapterInterface|MockObject
     */
    private $adapter;

    /**
     * @return void
     */
    public function setUp(): void
    {
        $this->adapter = $this->getMockForAbstractClass(ContainerAdapterInterface::class);
    }

    /**
     * Ensure that the container implements the PSR
     */
    public function testImplementsContainerInterface(): void
    {
        $container = new Container($this->adapter);

        $this->assertInstanceOf(ContainerInterface::class, $container);
    }

    /**
     * Assert AdapterException thrown by has() will be caught and rethrown as ContainerException.
     *
     * @throws ContainerException
     */
    public function testHasWillCatchAdapterExceptionAndReThrowAsAContainerException(): void
    {
        $name = 'FooService';

        $container = new Container($this->adapter);

        $exceptionMessage = 'This is a test adapter exception message';
        $exception = new AdapterException($exceptionMessage);

        $this->adapter->expects($this->once())
            ->method('hasService')
            ->willThrowException($exception);

        $this->expectException(ContainerException::class);
        $this->expectExceptionMessage($exceptionMessage);
        $this->expectExceptionCode($exception->getCode());

        $container->has($name);
    }

    /**
     * Ensure that registered services will return true when calling has().
     *
     * @throws ContainerException
     */
    public function testHasReturnsTrueForRegisteredService(): void
    {
        $container = new Container($this->adapter);

        $serviceName = 'TestService';

        $this->adapter->expects($this->once())
            ->method('hasService')
            ->with($serviceName)
            ->willReturn(true);

        $this->assertTrue($container->has($serviceName));
    }

    /**
     * Ensure that non-registered services will return false when calling has().
     *
     * @throws ContainerException
     */
    public function testHasReturnsFalseForNonRegisteredService(): void
    {
        $container = new Container($this->adapter);

        $serviceName = 'TestService';

        $this->adapter->expects($this->once())
            ->method('hasService')
            ->with($serviceName)
            ->willReturn(false);

        $this->assertFalse($container->has($serviceName));
    }

    /**
     * Assert that if the requested service to get() fails to be found a NotFoundException is thrown.
     */
    public function testGetWillThrowNotFoundExceptionIfRequestedServiceIsNotFound(): void
    {
        $container = new Container($this->adapter);

        $name = 'FooService';

        $exceptionMessage = 'This is a test exception message';
        $exceptionCode = 999;
        $exception = new AdapterNotFoundException($exceptionMessage, $exceptionCode);

        $this->adapter->expects($this->once())
            ->method('getService')
            ->with($name)
            ->willThrowException($exception);

        $this->expectException(NotFoundException::class);
        $this->expectExceptionMessage($exceptionMessage);
        $this->expectExceptionCode($exceptionCode);

        $container->get($name);
    }

    /**
     * Assert that NotFoundException's thrown by the adapter are caught, logged and rethrown as
     * container NotFoundException's.
     */
    public function testGetWillThrowContainerExceptionIfGetServiceFails(): void
    {
        $container = new Container($this->adapter);

        $name = 'FooService';

        $exceptionMessage = 'This is a test exception message';
        $exceptionCode = 888;
        $exception = new AdapterException($exceptionMessage, $exceptionCode);

        $this->adapter->expects($this->once())
            ->method('getService')
            ->with($name)
            ->willThrowException($exception);

        $this->expectException(ContainerException::class);
        $this->expectExceptionMessage($exceptionMessage);
        $this->expectExceptionCode($exceptionCode);

        $container->get($name);
    }

    /**
     * Ensure that calls to get() will return a registered service from the adapter.
     *
     * @throws ContainerExceptionInterface
     */
    public function testGetWillReturnRegisteredService(): void
    {
        $container = new Container($this->adapter);

        $serviceName = 'TestService';
        $service = new \stdClass();

        $this->adapter->expects($this->once())
            ->method('getService')
            ->with($serviceName)
            ->willReturn($service);

        $this->assertSame($service, $container->get($serviceName));
    }

    /**
     * Assert that AdapterException's that are thrown when registering services are caught, logged and rethrow
     * as ContainerException.
     *
     * @throws ContainerException
     */
    public function testRegisterServiceWillCatchAndRethrowServiceProviderExceptionsAsContainerException(): void
    {
        $container = new Container($this->adapter);

        /** @var ServiceProviderInterface|MockObject $serviceProvider */
        $serviceProvider = $this->getMockForAbstractClass(ServiceProviderInterface::class);

        $exceptionMessage = 'This is a test service provider exception message';
        $exceptionCode = 777;
        $exception = new ServiceProviderException($exceptionMessage, $exceptionCode);

        $serviceProvider->expects($this->once())
            ->method('registerServices')
            ->with($this->adapter)
            ->willThrowException($exception);

        $this->expectException(ContainerException::class);
        $this->expectExceptionMessage($exceptionMessage);
        $this->expectExceptionCode($exceptionCode);

        $container->registerServices($serviceProvider);
    }

    /**
     * Ensure that the service provider will have the containers adapter passed to it
     * when calling registerServices().
     *
     * @throws ContainerException
     */
    public function testRegisterServicesWillPassAdapterToProvidedServiceProvider(): void
    {
        $container = new Container($this->adapter);

        /** @var ServiceProviderInterface|MockObject $serviceProvider */
        $serviceProvider = $this->getMockForAbstractClass(ServiceProviderInterface::class);

        $serviceProvider->expects($this->once())
            ->method('registerServices')
            ->with($this->adapter);

        $container->registerServices($serviceProvider);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace ArpTest\Container;
6
7			use Arp\Container\Adapter\ContainerAdapterInterface;
8			use Arp\Container\Adapter\Exception\AdapterException;
9			use Arp\Container\Adapter\Exception\NotFoundException as AdapterNotFoundException;
10			use Arp\Container\Container;
11			use Arp\Container\Exception\ContainerException;
12			use Arp\Container\Exception\NotFoundException;
13			use Arp\Container\Provider\Exception\ServiceProviderException;
14			use Arp\Container\Provider\ServiceProviderInterface;
15			use PHPUnit\Framework\MockObject\MockObject;
16			use PHPUnit\Framework\TestCase;
17			use Psr\Container\ContainerExceptionInterface;
18			use Psr\Container\ContainerInterface;
19
20			/**
21			* @covers \Arp\Container\Container
22			*
23			* @author Alex Patterson <[email protected]>
24			* @package ArpTest\Container
25			*/
26			final class ContainerTest extends TestCase
27			{
28			/**
29			* @var ContainerAdapterInterface\|MockObject
30			*/
31			private $adapter;
32
33			/**
34			* @return void
35			*/
36			public function setUp(): void
37			{
38			$this->adapter = $this->getMockForAbstractClass(ContainerAdapterInterface::class);
39			}
40
41			/**
42			* Ensure that the container implements the PSR
43			*/
44			public function testImplementsContainerInterface(): void
45			{
46			$container = new Container($this->adapter);
47
48			$this->assertInstanceOf(ContainerInterface::class, $container);
49			}
50
51			/**
52			* Assert AdapterException thrown by has() will be caught and rethrown as ContainerException.
53			*
54			* @throws ContainerException
55			*/
56			public function testHasWillCatchAdapterExceptionAndReThrowAsAContainerException(): void
57			{
58			$name = 'FooService';
59
60			$container = new Container($this->adapter);
61
62			$exceptionMessage = 'This is a test adapter exception message';
63			$exception = new AdapterException($exceptionMessage);
64
65			$this->adapter->expects($this->once())
66			->method('hasService')
67			->willThrowException($exception);
68
69			$this->expectException(ContainerException::class);
70			$this->expectExceptionMessage($exceptionMessage);
71			$this->expectExceptionCode($exception->getCode());
72
73			$container->has($name);
74			}
75
76			/**
77			* Ensure that registered services will return true when calling has().
78			*
79			* @throws ContainerException
80			*/
81			public function testHasReturnsTrueForRegisteredService(): void
82			{
83			$container = new Container($this->adapter);
84
85			$serviceName = 'TestService';
86
87			$this->adapter->expects($this->once())
88			->method('hasService')
89			->with($serviceName)
90			->willReturn(true);
91
92			$this->assertTrue($container->has($serviceName));
93			}
94
95			/**
96			* Ensure that non-registered services will return false when calling has().
97			*
98			* @throws ContainerException
99			*/
100			public function testHasReturnsFalseForNonRegisteredService(): void
101			{
102			$container = new Container($this->adapter);
103
104			$serviceName = 'TestService';
105
106			$this->adapter->expects($this->once())
107			->method('hasService')
108			->with($serviceName)
109			->willReturn(false);
110
111			$this->assertFalse($container->has($serviceName));
112			}
113
114			/**
115			* Assert that if the requested service to get() fails to be found a NotFoundException is thrown.
116			*/
117			public function testGetWillThrowNotFoundExceptionIfRequestedServiceIsNotFound(): void
118			{
119			$container = new Container($this->adapter);
120
121			$name = 'FooService';
122
123			$exceptionMessage = 'This is a test exception message';
124			$exceptionCode = 999;
125			$exception = new AdapterNotFoundException($exceptionMessage, $exceptionCode);
126
127			$this->adapter->expects($this->once())
128			->method('getService')
129			->with($name)
130			->willThrowException($exception);
131
132			$this->expectException(NotFoundException::class);
133			$this->expectExceptionMessage($exceptionMessage);
134			$this->expectExceptionCode($exceptionCode);
135
136			$container->get($name);
137			}
138
139			/**
140			* Assert that NotFoundException's thrown by the adapter are caught, logged and rethrown as
141			* container NotFoundException's.
142			*/
143			public function testGetWillThrowContainerExceptionIfGetServiceFails(): void
144			{
145			$container = new Container($this->adapter);
146
147			$name = 'FooService';
148
149			$exceptionMessage = 'This is a test exception message';
150			$exceptionCode = 888;
151			$exception = new AdapterException($exceptionMessage, $exceptionCode);
152
153			$this->adapter->expects($this->once())
154			->method('getService')
155			->with($name)
156			->willThrowException($exception);
157
158			$this->expectException(ContainerException::class);
159			$this->expectExceptionMessage($exceptionMessage);
160			$this->expectExceptionCode($exceptionCode);
161
162			$container->get($name);
163			}
164
165			/**
166			* Ensure that calls to get() will return a registered service from the adapter.
167			*
168			* @throws ContainerExceptionInterface
169			*/
170			public function testGetWillReturnRegisteredService(): void
171			{
172			$container = new Container($this->adapter);
173
174			$serviceName = 'TestService';
175			$service = new \stdClass();
176
177			$this->adapter->expects($this->once())
178			->method('getService')
179			->with($serviceName)
180			->willReturn($service);
181
182			$this->assertSame($service, $container->get($serviceName));
183			}
184
185			/**
186			* Assert that AdapterException's that are thrown when registering services are caught, logged and rethrow
187			* as ContainerException.
188			*
189			* @throws ContainerException
190			*/
191			public function testRegisterServiceWillCatchAndRethrowServiceProviderExceptionsAsContainerException(): void
192			{
193			$container = new Container($this->adapter);
194
195			/** @var ServiceProviderInterface\|MockObject $serviceProvider */
196			$serviceProvider = $this->getMockForAbstractClass(ServiceProviderInterface::class);
197
198			$exceptionMessage = 'This is a test service provider exception message';
199			$exceptionCode = 777;
200			$exception = new ServiceProviderException($exceptionMessage, $exceptionCode);
201
202			$serviceProvider->expects($this->once())
203			->method('registerServices')
204			->with($this->adapter)
205			->willThrowException($exception);
206
207			$this->expectException(ContainerException::class);
208			$this->expectExceptionMessage($exceptionMessage);
209			$this->expectExceptionCode($exceptionCode);
210
211			$container->registerServices($serviceProvider);
212			}
213
214			/**
215			* Ensure that the service provider will have the containers adapter passed to it
216			* when calling registerServices().
217			*
218			* @throws ContainerException
219			*/
220			public function testRegisterServicesWillPassAdapterToProvidedServiceProvider(): void
221			{
222			$container = new Container($this->adapter);
223
224			/** @var ServiceProviderInterface\|MockObject $serviceProvider */
225			$serviceProvider = $this->getMockForAbstractClass(ServiceProviderInterface::class);
226
227			$serviceProvider->expects($this->once())
228			->method('registerServices')
229			->with($this->adapter);
230
231			$container->registerServices($serviceProvider);
232			}
233			}
234

alex-patterson-webdev / container

Pull Request — master (#3)

ContainerTest::testImplementsContainerInterface() A

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