In my PHPUnit test, I would like to assert that the class that I am testing extends another class. How can I do this with PHPUnit?
Use assertInstanceOf()
instead of PHP's built in instanceof
operator or functions so that you get a meaningful failure message.
function testInstanceOf() {
$obj = new Foo;
self::assertInstanceOf('Bar', $obj);
}
...
Failed asserting that <Foo> is an instance of class "Bar".
Or also you should use this assert like this:
$this->assertSame(
'Symfony\Component\Form\AbstractType',
get_parent_class('AppBundle\Form\CarType'),
'The form does not extend the AbstractType class'
);
What about using instanceof?
-> http://php.net/manual/en/internals2.opcodes.instanceof.php
is_subclass_of()
(或者可能是is_a()
)可能就是你要找的东西。
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