function DevelTwigExtensionTest::testDumpFunctions

Tests that the Twig extension's dump functions produce the expected output.

File

tests/src/Kernel/DevelTwigExtensionTest.php, line 124

Class

DevelTwigExtensionTest

Tests Twig extensions.

Namespace

Code

public function testDumpFunctions() {
    $template = 'test-with-context {{ twig_string }} {{ twig_array.first }} {{ twig_array.second }}{{ devel_dump() }}';
    $expected_template_output = 'test-with-context context! first value second value';
    $context = [
        'twig_string' => 'context!',
        'twig_array' => [
            'first' => 'first value',
            'second' => 'second value',
        ],
        'twig_object' => new \stdClass(),
    ];
    
    /** @var \Drupal\Core\Template\TwigEnvironment $environment */
    $environment = \Drupal::service('twig');
    // Ensures that the twig extension does nothing if the current
    // user has not the adequate permission.
    $this->assertTrue($environment->isDebug());
    $this->assertEquals($environment->renderInline($template, $context), $expected_template_output);
    \Drupal::currentUser()->setAccount($this->develUser);
    // Ensures that if no argument is passed to the function the twig context is
    // dumped.
    $output = (string) $environment->renderInline($template, $context);
    $this->assertContains($expected_template_output, $output);
    $this->assertContainsDump($output, $context, 'Twig context');
    // Ensures that if an argument is passed to the function it is dumped.
    $template = 'test-with-context {{ twig_string }} {{ twig_array.first }} {{ twig_array.second }}{{ devel_dump(twig_array) }}';
    $output = (string) $environment->renderInline($template, $context);
    $this->assertContains($expected_template_output, $output);
    $this->assertContainsDump($output, $context['twig_array']);
    // Ensures that if more than one argument is passed the function works
    // properly and every argument is dumped separately.
    $template = 'test-with-context {{ twig_string }} {{ twig_array.first }} {{ twig_array.second }}{{ devel_dump(twig_string, twig_array.first, twig_array, twig_object) }}';
    $output = (string) $environment->renderInline($template, $context);
    $this->assertContains($expected_template_output, $output);
    $this->assertContainsDump($output, $context['twig_string']);
    $this->assertContainsDump($output, $context['twig_array']['first']);
    $this->assertContainsDump($output, $context['twig_array']);
    $this->assertContainsDump($output, $context['twig_object']);
    // Clear messages.
    drupal_get_messages();
    $retrieve_message = function ($messages, $index) {
        return isset($messages['status'][$index]) ? (string) $messages['status'][$index] : NULL;
    };
    // Ensures that if no argument is passed to the function the twig context is
    // dumped.
    $template = 'test-with-context {{ twig_string }} {{ twig_array.first }} {{ twig_array.second }}{{ devel_message() }}';
    $output = (string) $environment->renderInline($template, $context);
    $this->assertContains($expected_template_output, $output);
    $messages = drupal_get_messages();
    $this->assertDumpExportEquals($retrieve_message($messages, 0), $context, 'Twig context');
    // Ensures that if an argument is passed to the function it is dumped.
    $template = 'test-with-context {{ twig_string }} {{ twig_array.first }} {{ twig_array.second }}{{ devel_message(twig_array) }}';
    $output = (string) $environment->renderInline($template, $context);
    $this->assertContains($expected_template_output, $output);
    $messages = drupal_get_messages();
    $this->assertDumpExportEquals($retrieve_message($messages, 0), $context['twig_array']);
    // Ensures that if more than one argument is passed to the function works
    // properly and every argument is dumped separately.
    $template = 'test-with-context {{ twig_string }} {{ twig_array.first }} {{ twig_array.second }}{{ devel_message(twig_string, twig_array.first, twig_array, twig_object) }}';
    $output = (string) $environment->renderInline($template, $context);
    $this->assertContains($expected_template_output, $output);
    $messages = drupal_get_messages();
    $this->assertDumpExportEquals($retrieve_message($messages, 0), $context['twig_string']);
    $this->assertDumpExportEquals($retrieve_message($messages, 1), $context['twig_array']['first']);
    $this->assertDumpExportEquals($retrieve_message($messages, 2), $context['twig_array']);
    $this->assertDumpExportEquals($retrieve_message($messages, 3), $context['twig_object']);
}