public function testNonExistsWithBaseLoader() { $mockLoader = $this->getMock('Twig_LoaderInterface'); $mockLoader->expects($this->once())->method('getSource')->with($this->equalTo('foo'))->will($this->throwException(new \Twig_Error_Loader("File not found"))); $mockLoader->expects($this->never())->method('exists'); $twitalLoader = new TwitalLoader($mockLoader, null, false); $this->assertFalse($twitalLoader->exists('foo')); }