function TwigDeprecationsTest::testParentVariableDeprecation

Test deprecation of variables in parent does not leak to child.

File

core/tests/Drupal/KernelTests/Core/Theme/TwigDeprecationsTest.php, line 121

Class

TwigDeprecationsTest

Tests deprecating variables passed to twig templates.

Namespace

Code

public function testParentVariableDeprecation() : void {
    // 'foo' is used before the child template is processed, so this test
    // shows that processing the child does not lead to parent usage being
    // forgotten.
    // 'gaz' is used in the child template but only deprecated in the parent
    // template, so no deprecation error is triggered for it.
    $preprocess = [
        'contents' => [
            'child' => [
                '#theme' => 'theme_test_deprecations_child',
                '#foo' => 'foo-child',
                '#bar' => 'bar-child',
                '#gaz' => 'gaz-child',
            ],
        ],
        'deprecations' => [
            'foo' => $this->getDeprecationMessage('foo'),
            'gaz' => $this->getDeprecationMessage('gaz'),
        ],
    ];
    $this->assertRendered('foo|set_var|foo-child|gaz-child|bar', $preprocess);
}