CRUDlexTests\ServiceProviderTest::testGetTemplate PHP Method

    public function testGetTemplate()
    {
        $app = new Application();
        $app['crud.template.list.book'] = 'testTemplateListBook.twig';
        $app['crud.template.list'] = 'testTemplateList.twig';
        $app['crud.layout.list.book'] = 'testLayoutListBook.twig';
        $app['crud.layout.list'] = 'testLayoutList.twig';
        $crudServiceProvider = new ServiceProvider();
        $read = $crudServiceProvider->getTemplate($app, 'template', 'list', 'book');
        $this->assertSame($read, $app['crud.template.list.book']);
        $read = $crudServiceProvider->getTemplate($app, 'template', 'list', 'library');
        $this->assertSame($read, $app['crud.template.list']);
        $read = $crudServiceProvider->getTemplate($app, 'layout', 'list', 'book');
        $this->assertSame($read, $app['crud.layout.list.book']);
        $read = $crudServiceProvider->getTemplate($app, 'layout', 'list', 'library');
        $this->assertSame($read, $app['crud.layout.list']);
        $expected = '@crud/list.twig';
        $read = $crudServiceProvider->getTemplate($app, 'foo', 'list', 'bar');
        $this->assertSame($read, $expected);
        $read = $crudServiceProvider->getTemplate($app, null, 'list', 'bar');
        $this->assertSame($read, $expected);
        $expected = 'testLayoutList.twig';
        $read = $crudServiceProvider->getTemplate($app, 'layout', 'list', null);
        $this->assertSame($read, $expected);
        $expected = '@crud/.twig';
        $read = $crudServiceProvider->getTemplate($app, 'layout', null, 'book');
        $this->assertSame($read, $expected);
    }