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GeneratorTest.php
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GeneratorTest.php
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<?php
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use PHPUnit\Framework\MockObject\Generator;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
/**
* @covers \PHPUnit\Framework\MockObject\Generator
*
* @uses \PHPUnit\Framework\MockObject\InvocationMocker
* @uses \PHPUnit\Framework\MockObject\Builder\InvocationMocker
* @uses \PHPUnit\Framework\MockObject\Invocation\ObjectInvocation
* @uses \PHPUnit\Framework\MockObject\Invocation\StaticInvocation
* @uses \PHPUnit\Framework\MockObject\Matcher
* @uses \PHPUnit\Framework\MockObject\Matcher\InvokedRecorder
* @uses \PHPUnit\Framework\MockObject\Matcher\MethodName
* @uses \PHPUnit\Framework\MockObject\Stub\ReturnStub
* @uses \PHPUnit\Framework\MockObject\Matcher\InvokedCount
*/
class GeneratorTest extends TestCase
{
/**
* @var Generator
*/
private $generator;
protected function setUp(): void
{
$this->generator = new Generator;
}
public function testGetMockFailsWhenInvalidFunctionNameIsPassedInAsAFunctionToMock(): void
{
$this->expectException(\PHPUnit\Framework\MockObject\RuntimeException::class);
$this->generator->getMock(stdClass::class, [0]);
}
public function testGetMockCanCreateNonExistingFunctions(): void
{
$mock = $this->generator->getMock(stdClass::class, ['testFunction']);
$this->assertTrue(\method_exists($mock, 'testFunction'));
}
public function testGetMockGeneratorFails(): void
{
$this->expectException(\PHPUnit\Framework\MockObject\RuntimeException::class);
$this->expectExceptionMessage('duplicates: "foo, bar, foo" (duplicate: "foo")');
$this->generator->getMock(stdClass::class, ['foo', 'bar', 'foo']);
}
public function testGetMockBlacklistedMethodNamesPhp7(): void
{
$mock = $this->generator->getMock(InterfaceWithSemiReservedMethodName::class);
$this->assertTrue(\method_exists($mock, 'unset'));
$this->assertInstanceOf(InterfaceWithSemiReservedMethodName::class, $mock);
}
public function testGetMockForAbstractClassDoesNotFailWhenFakingInterfaces(): void
{
$mock = $this->generator->getMockForAbstractClass(Countable::class);
$this->assertTrue(\method_exists($mock, 'count'));
}
public function testGetMockForAbstractClassStubbingAbstractClass(): void
{
$mock = $this->generator->getMockForAbstractClass(AbstractMockTestClass::class);
$this->assertTrue(\method_exists($mock, 'doSomething'));
}
public function testGetMockForAbstractClassWithNonExistentMethods(): void
{
$mock = $this->generator->getMockForAbstractClass(
AbstractMockTestClass::class,
[],
'',
true,
true,
true,
['nonexistentMethod']
);
$this->assertTrue(\method_exists($mock, 'nonexistentMethod'));
$this->assertTrue(\method_exists($mock, 'doSomething'));
}
public function testGetMockForAbstractClassShouldCreateStubsOnlyForAbstractMethodWhenNoMethodsWereInformed(): void
{
$mock = $this->generator->getMockForAbstractClass(AbstractMockTestClass::class);
$mock->expects($this->any())
->method('doSomething')
->willReturn('testing');
$this->assertEquals('testing', $mock->doSomething());
$this->assertEquals(1, $mock->returnAnything());
}
/**
* @dataProvider getMockForAbstractClassExpectsInvalidArgumentExceptionDataprovider
*/
public function testGetMockForAbstractClassExpectingInvalidArgumentException($className, $mockClassName): void
{
$this->expectException(PHPUnit\Framework\Exception::class);
$this->generator->getMockForAbstractClass($className, [], $mockClassName);
}
public function testGetMockForAbstractClassAbstractClassDoesNotExist(): void
{
$this->expectException(\PHPUnit\Framework\MockObject\RuntimeException::class);
$this->generator->getMockForAbstractClass('Tux');
}
public function getMockForAbstractClassExpectsInvalidArgumentExceptionDataprovider(): array
{
return [
'className not a string' => [[], ''],
'mockClassName not a string' => [Countable::class, new stdClass],
];
}
public function testGetMockForTraitWithNonExistentMethodsAndNonAbstractMethods(): void
{
$mock = $this->generator->getMockForTrait(
AbstractTrait::class,
[],
'',
true,
true,
true,
['nonexistentMethod']
);
$this->assertTrue(\method_exists($mock, 'nonexistentMethod'));
$this->assertTrue(\method_exists($mock, 'doSomething'));
$this->assertTrue($mock->mockableMethod());
$this->assertTrue($mock->anotherMockableMethod());
}
public function testGetMockForTraitStubbingAbstractMethod(): void
{
$mock = $this->generator->getMockForTrait(AbstractTrait::class);
$this->assertTrue(\method_exists($mock, 'doSomething'));
}
public function testGetMockForSingletonWithReflectionSuccess(): void
{
$mock = $this->generator->getMock(SingletonClass::class, ['doSomething'], [], '', false);
$this->assertInstanceOf('SingletonClass', $mock);
}
public function testExceptionIsRaisedForMutuallyExclusiveOptions(): void
{
$this->expectException(\PHPUnit\Framework\MockObject\RuntimeException::class);
$this->generator->getMock(stdClass::class, [], [], '', false, true, true, true, true);
}
public function testCanImplementInterfacesThatHaveMethodsWithReturnTypes(): void
{
$stub = $this->generator->getMock([AnInterfaceWithReturnType::class, AnInterface::class]);
$this->assertInstanceOf(AnInterfaceWithReturnType::class, $stub);
$this->assertInstanceOf(AnInterface::class, $stub);
$this->assertInstanceOf(MockObject::class, $stub);
}
public function testCanConfigureMethodsForDoubleOfNonExistentClass(): void
{
$className = 'X' . \md5(\microtime());
$mock = $this->generator->getMock($className, ['someMethod']);
$this->assertInstanceOf($className, $mock);
}
public function testCanInvokeMethodsOfNonExistentClass(): void
{
$className = 'X' . \md5(\microtime());
$mock = $this->generator->getMock($className, ['someMethod']);
$mock->expects($this->once())->method('someMethod');
$this->assertNull($mock->someMethod());
}
public function testMockingOfExceptionWithThrowable(): void
{
$stub = $this->generator->getMock(ExceptionWithThrowable::class);
$this->assertInstanceOf(ExceptionWithThrowable::class, $stub);
$this->assertInstanceOf(Exception::class, $stub);
$this->assertInstanceOf(MockObject::class, $stub);
}
public function testMockingOfThrowable(): void
{
$stub = $this->generator->getMock(Throwable::class);
$this->assertInstanceOf(Throwable::class, $stub);
$this->assertInstanceOf(Exception::class, $stub);
$this->assertInstanceOf(MockObject::class, $stub);
}
public function testMockingOfThrowableConstructorArguments(): void
{
$mock = $this->generator->getMock(Throwable::class, null, ['It works']);
$this->assertSame('It works', $mock->getMessage());
}
public function testVariadicArgumentsArePassedToOriginalMethod()
{
/** @var ClassWithVariadicArgumentMethod|MockObject $mock */
$mock = $this->generator->getMock(
ClassWithVariadicArgumentMethod::class,
[],
[],
'',
true,
false,
true,
false,
true
);
$arguments = [1, 'foo', false];
$this->assertSame($arguments, $mock->foo(...$arguments));
}
public function testVariadicArgumentsArePassedToMockedMethod()
{
/** @var ClassWithVariadicArgumentMethod|MockObject $mock */
$mock = $this->createMock(ClassWithVariadicArgumentMethod::class);
$arguments = [1, 'foo', false];
$mock->expects($this->once())
->method('foo')
->with(...$arguments);
$mock->foo(...$arguments);
}
}