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<?php
namespace Tests\Prophecy\Doubler\Generator;
use Prophecy\Doubler\Generator\ClassMirror;
class ClassMirrorTest extends \PHPUnit_Framework_TestCase
{
/**
* @test
*/
public function it_reflects_allowed_magic_methods()
{
$class = new \ReflectionClass('Fixtures\Prophecy\SpecialMethods');
$mirror = new ClassMirror();
$node = $mirror->reflect($class, array());
$this->assertCount(7, $node->getMethods());
}
/**
* @test
*/
public function it_reflects_protected_abstract_methods()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithProtectedAbstractMethod');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertEquals('Fixtures\Prophecy\WithProtectedAbstractMethod', $classNode->getParentClass());
$methodNodes = $classNode->getMethods();
$this->assertCount(1, $methodNodes);
$this->assertEquals('protected', $methodNodes['innerDetail']->getVisibility());
}
/**
* @test
*/
public function it_reflects_public_static_methods()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithStaticMethod');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertEquals('Fixtures\Prophecy\WithStaticMethod', $classNode->getParentClass());
$methodNodes = $classNode->getMethods();
$this->assertCount(1, $methodNodes);
$this->assertTrue($methodNodes['innerDetail']->isStatic());
}
/**
* @test
*/
public function it_marks_required_args_without_types_as_not_optional()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithArguments');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$methodNode = $classNode->getMethod('methodWithoutTypeHints');
$argNodes = $methodNode->getArguments();
$this->assertCount(1, $argNodes);
$this->assertEquals('arg', $argNodes[0]->getName());
$this->assertNull($argNodes[0]->getTypeHint());
$this->assertFalse($argNodes[0]->isOptional());
$this->assertNull($argNodes[0]->getDefault());
$this->assertFalse($argNodes[0]->isPassedByReference());
$this->assertFalse($argNodes[0]->isVariadic());
}
/**
* @test
*/
public function it_properly_reads_methods_arguments_with_types()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithArguments');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$methodNode = $classNode->getMethod('methodWithArgs');
$argNodes = $methodNode->getArguments();
$this->assertCount(3, $argNodes);
$this->assertEquals('arg_1', $argNodes[0]->getName());
$this->assertEquals('array', $argNodes[0]->getTypeHint());
$this->assertTrue($argNodes[0]->isOptional());
$this->assertEquals(array(), $argNodes[0]->getDefault());
$this->assertFalse($argNodes[0]->isPassedByReference());
$this->assertFalse($argNodes[0]->isVariadic());
$this->assertEquals('arg_2', $argNodes[1]->getName());
$this->assertEquals('ArrayAccess', $argNodes[1]->getTypeHint());
$this->assertFalse($argNodes[1]->isOptional());
$this->assertEquals('arg_3', $argNodes[2]->getName());
$this->assertEquals('ArrayAccess', $argNodes[2]->getTypeHint());
$this->assertTrue($argNodes[2]->isOptional());
$this->assertNull($argNodes[2]->getDefault());
$this->assertFalse($argNodes[2]->isPassedByReference());
$this->assertFalse($argNodes[2]->isVariadic());
}
/**
* @test
* @requires PHP 5.4
*/
public function it_properly_reads_methods_arguments_with_callable_types()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithCallableArgument');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$methodNode = $classNode->getMethod('methodWithArgs');
$argNodes = $methodNode->getArguments();
$this->assertCount(2, $argNodes);
$this->assertEquals('arg_1', $argNodes[0]->getName());
$this->assertEquals('callable', $argNodes[0]->getTypeHint());
$this->assertFalse($argNodes[0]->isOptional());
$this->assertFalse($argNodes[0]->isPassedByReference());
$this->assertFalse($argNodes[0]->isVariadic());
$this->assertEquals('arg_2', $argNodes[1]->getName());
$this->assertEquals('callable', $argNodes[1]->getTypeHint());
$this->assertTrue($argNodes[1]->isOptional());
$this->assertNull($argNodes[1]->getDefault());
$this->assertFalse($argNodes[1]->isPassedByReference());
$this->assertFalse($argNodes[1]->isVariadic());
}
/**
* @test
* @requires PHP 5.6
*/
public function it_properly_reads_methods_variadic_arguments()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithVariadicArgument');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$methodNode = $classNode->getMethod('methodWithArgs');
$argNodes = $methodNode->getArguments();
$this->assertCount(1, $argNodes);
$this->assertEquals('args', $argNodes[0]->getName());
$this->assertNull($argNodes[0]->getTypeHint());
$this->assertFalse($argNodes[0]->isOptional());
$this->assertFalse($argNodes[0]->isPassedByReference());
$this->assertTrue($argNodes[0]->isVariadic());
}
/**
* @test
* @requires PHP 5.6
*/
public function it_properly_reads_methods_typehinted_variadic_arguments()
{
if (defined('HHVM_VERSION_ID')) {
$this->markTestSkipped('HHVM does not support typehints on variadic arguments.');
}
$class = new \ReflectionClass('Fixtures\Prophecy\WithTypehintedVariadicArgument');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$methodNode = $classNode->getMethod('methodWithTypeHintedArgs');
$argNodes = $methodNode->getArguments();
$this->assertCount(1, $argNodes);
$this->assertEquals('args', $argNodes[0]->getName());
$this->assertEquals('array', $argNodes[0]->getTypeHint());
$this->assertFalse($argNodes[0]->isOptional());
$this->assertFalse($argNodes[0]->isPassedByReference());
$this->assertTrue($argNodes[0]->isVariadic());
}
/**
* @test
*/
public function it_marks_passed_by_reference_args_as_passed_by_reference()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithReferences');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertTrue($classNode->hasMethod('methodWithReferenceArgument'));
$argNodes = $classNode->getMethod('methodWithReferenceArgument')->getArguments();
$this->assertCount(2, $argNodes);
$this->assertTrue($argNodes[0]->isPassedByReference());
$this->assertTrue($argNodes[1]->isPassedByReference());
}
/**
* @test
*/
public function it_throws_an_exception_if_class_is_final()
{
$class = new \ReflectionClass('Fixtures\Prophecy\FinalClass');
$mirror = new ClassMirror();
$this->setExpectedException('Prophecy\Exception\Doubler\ClassMirrorException');
$mirror->reflect($class, array());
}
/**
* @test
*/
public function it_ignores_final_methods()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithFinalMethod');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertCount(0, $classNode->getMethods());
}
/**
* @test
*/
public function it_marks_final_methods_as_unextendable()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithFinalMethod');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertCount(1, $classNode->getUnextendableMethods());
$this->assertFalse($classNode->isExtendable('finalImplementation'));
}
/**
* @test
*/
public function it_throws_an_exception_if_interface_provided_instead_of_class()
{
$class = new \ReflectionClass('Fixtures\Prophecy\EmptyInterface');
$mirror = new ClassMirror();
$this->setExpectedException('Prophecy\Exception\InvalidArgumentException');
$mirror->reflect($class, array());
}
/**
* @test
*/
public function it_reflects_all_interfaces_methods()
{
$mirror = new ClassMirror();
$classNode = $mirror->reflect(null, array(
new \ReflectionClass('Fixtures\Prophecy\Named'),
new \ReflectionClass('Fixtures\Prophecy\ModifierInterface'),
));
$this->assertEquals('stdClass', $classNode->getParentClass());
$this->assertEquals(array(
'Prophecy\Doubler\Generator\ReflectionInterface',
'Fixtures\Prophecy\ModifierInterface',
'Fixtures\Prophecy\Named',
), $classNode->getInterfaces());
$this->assertCount(3, $classNode->getMethods());
$this->assertTrue($classNode->hasMethod('getName'));
$this->assertTrue($classNode->hasMethod('isAbstract'));
$this->assertTrue($classNode->hasMethod('getVisibility'));
}
/**
* @test
*/
public function it_ignores_virtually_private_methods()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithVirtuallyPrivateMethod');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertCount(2, $classNode->getMethods());
$this->assertTrue($classNode->hasMethod('isAbstract'));
$this->assertTrue($classNode->hasMethod('__toString'));
$this->assertFalse($classNode->hasMethod('_getName'));
}
/**
* @test
*/
public function it_does_not_throw_exception_for_virtually_private_finals()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithFinalVirtuallyPrivateMethod');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertCount(0, $classNode->getMethods());
}
/**
* @test
* @requires PHP 7
*/
public function it_reflects_return_typehints()
{
$class = new \ReflectionClass('Fixtures\Prophecy\WithReturnTypehints');
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class, array());
$this->assertCount(3, $classNode->getMethods());
$this->assertTrue($classNode->hasMethod('getName'));
$this->assertTrue($classNode->hasMethod('getSelf'));
$this->assertTrue($classNode->hasMethod('getParent'));
$this->assertEquals('string', $classNode->getMethod('getName')->getReturnType());
$this->assertEquals('\Fixtures\Prophecy\WithReturnTypehints', $classNode->getMethod('getSelf')->getReturnType());
$this->assertEquals('\Fixtures\Prophecy\EmptyClass', $classNode->getMethod('getParent')->getReturnType());
}
/**
* @test
*/
public function it_throws_an_exception_if_class_provided_in_interfaces_list()
{
$class = new \ReflectionClass('Fixtures\Prophecy\EmptyClass');
$mirror = new ClassMirror();
$this->setExpectedException('InvalidArgumentException');
$mirror->reflect(null, array($class));
}
/**
* @test
*/
public function it_throws_an_exception_if_not_reflection_provided_as_interface()
{
$mirror = new ClassMirror();
$this->setExpectedException('InvalidArgumentException');
$mirror->reflect(null, array(null));
}
/**
* @test
*/
public function it_doesnt_use_scalar_typehints()
{
$mirror = new ClassMirror();
$classNode = $mirror->reflect(new \ReflectionClass('ReflectionMethod'), array());
$method = $classNode->getMethod('export');
$arguments = $method->getArguments();
$this->assertNull($arguments[0]->getTypeHint());
$this->assertNull($arguments[1]->getTypeHint());
$this->assertNull($arguments[2]->getTypeHint());
}
/**
* @test
*/
public function it_doesnt_fail_to_typehint_nonexistent_FQCN()
{
$mirror = new ClassMirror();
$classNode = $mirror->reflect(new \ReflectionClass('Fixtures\Prophecy\OptionalDepsClass'), array());
$method = $classNode->getMethod('iHaveAStrangeTypeHintedArg');
$arguments = $method->getArguments();
$this->assertEquals('I\Simply\Am\Nonexistent', $arguments[0]->getTypeHint());
}
/**
* @test
*/
public function it_doesnt_fail_to_typehint_nonexistent_RQCN()
{
$mirror = new ClassMirror();
$classNode = $mirror->reflect(new \ReflectionClass('Fixtures\Prophecy\OptionalDepsClass'), array());
$method = $classNode->getMethod('iHaveAnEvenStrangerTypeHintedArg');
$arguments = $method->getArguments();
$this->assertEquals('I\Simply\Am\Not', $arguments[0]->getTypeHint());
}
/**
* @test
*/
function it_changes_argument_names_if_they_are_varying()
{
// Use test doubles in this test, as arguments named ... in the Reflection API can only happen for internal classes
$class = $this->prophesize('ReflectionClass');
$method = $this->prophesize('ReflectionMethod');
$parameter = $this->prophesize('ReflectionParameter');
$class->getName()->willReturn('Custom\ClassName');
$class->isInterface()->willReturn(false);
$class->isFinal()->willReturn(false);
$class->getMethods(\ReflectionMethod::IS_PUBLIC)->willReturn(array($method));
$class->getMethods(\ReflectionMethod::IS_ABSTRACT)->willReturn(array());
$method->getParameters()->willReturn(array($parameter));
$method->getName()->willReturn('methodName');
$method->isFinal()->willReturn(false);
$method->isProtected()->willReturn(false);
$method->isStatic()->willReturn(false);
$method->returnsReference()->willReturn(false);
if (version_compare(PHP_VERSION, '7.0', '>=')) {
$method->hasReturnType()->willReturn(false);
}
$parameter->getName()->willReturn('...');
$parameter->isDefaultValueAvailable()->willReturn(true);
$parameter->getDefaultValue()->willReturn(null);
$parameter->isPassedByReference()->willReturn(false);
$parameter->getClass()->willReturn($class);
if (version_compare(PHP_VERSION, '5.6', '>=')) {
$parameter->isVariadic()->willReturn(false);
}
$mirror = new ClassMirror();
$classNode = $mirror->reflect($class->reveal(), array());
$methodNodes = $classNode->getMethods();
$argumentNodes = $methodNodes['methodName']->getArguments();
$argumentNode = $argumentNodes[0];
$this->assertEquals('__dot_dot_dot__', $argumentNode->getName());
}
}