getMockBuilder(ContainerInterface::class)->getMock(); $container->expects($this->once())->method('has')->with('stdClass')->willReturn(true); $container->expects($this->once())->method('get')->with('stdClass')->willReturn(new \Stdclass()); $loader = new Twig_ContainerRuntimeLoader($container); $this->assertInstanceOf('stdClass', $loader->load('stdClass')); } public function testLoadUnknownRuntimeReturnsNull() { $container = $this->getMockBuilder(ContainerInterface::class)->getMock(); $container->expects($this->once())->method('has')->with('Foo'); $container->expects($this->never())->method('get'); $this->assertNull((new Twig_ContainerRuntimeLoader($container))->load('Foo')); } }