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<?php declare(strict_types=1);
/*
* 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.
*/
namespace PHPUnit\Framework\MockObject;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\Medium;
use PHPUnit\Framework\Attributes\TestDox;
use PHPUnit\Framework\MockObject\Generator\ClassIsEnumerationException;
use PHPUnit\Framework\MockObject\Generator\ClassIsFinalException;
use PHPUnit\Framework\MockObject\Generator\Generator;
use PHPUnit\Framework\MockObject\Generator\InvalidMethodNameException;
use PHPUnit\Framework\MockObject\Generator\MethodNamedMethodException;
use PHPUnit\Framework\MockObject\Generator\UnknownTypeException;
use PHPUnit\Framework\TestCase;
use PHPUnit\TestFixture\MockObject\AnInterface;
use PHPUnit\TestFixture\MockObject\Enumeration;
use PHPUnit\TestFixture\MockObject\ExtendableClass;
use PHPUnit\TestFixture\MockObject\ExtendableReadonlyClass;
use PHPUnit\TestFixture\MockObject\FinalClass;
use PHPUnit\TestFixture\MockObject\InterfaceWithMethodNamedMethod;
#[Group('test-doubles')]
#[Group('test-doubles/creation')]
#[Group('test-doubles/mock-object')]
#[Medium]
#[TestDox('createMock()')]
final class CreateMockTest extends TestCase
{
public function testCreatesMockObjectForInterface(): void
{
$double = $this->createMock(AnInterface::class);
$this->assertInstanceOf(AnInterface::class, $double);
$this->assertInstanceOf(Stub::class, $double);
$this->assertInstanceOf(MockObject::class, $double);
}
public function testCreatesMockObjectForExtendableClass(): void
{
$double = $this->createMock(ExtendableClass::class);
$this->assertInstanceOf(ExtendableClass::class, $double);
$this->assertInstanceOf(Stub::class, $double);
$this->assertInstanceOf(MockObject::class, $double);
}
public function testCreatesMockObjectForExtendableReadonlyClass(): void
{
$double = $this->createMock(ExtendableReadonlyClass::class);
$this->assertInstanceOf(ExtendableReadonlyClass::class, $double);
$this->assertInstanceOf(Stub::class, $double);
$this->assertInstanceOf(MockObject::class, $double);
}
public function testReturnValueGenerationIsEnabledByDefault(): void
{
$double = $this->createMock(AnInterface::class);
$this->assertFalse($double->doSomething());
}
public function testCannotCreateMockObjectForFinalClass(): void
{
$this->expectException(ClassIsFinalException::class);
$this->createMock(FinalClass::class);
}
public function testCannotCreateMockObjectForEnumeration(): void
{
$this->expectException(ClassIsEnumerationException::class);
$this->createMock(Enumeration::class);
}
public function testCannotCreateMockObjectForUnknownType(): void
{
$this->expectException(UnknownTypeException::class);
$this->createMock('this\does\not\exist');
}
public function testCannotCreateMockObjectWithInvalidMethodName(): void
{
$this->expectException(InvalidMethodNameException::class);
$this->expectExceptionMessage('Cannot double method with invalid name "0"');
(new Generator)->testDouble(
AnInterface::class,
true,
['0'],
);
}
public function testCannotCreateMockObjectForInterfaceWithMethodNamedMethod(): void
{
$this->expectException(MethodNamedMethodException::class);
$this->expectExceptionMessage('Doubling interfaces (or classes) that have a method named "method" is not supported.');
$this->createMock(InterfaceWithMethodNamedMethod::class);
}
}
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