class ChainedPlaceholderStrategyTest

Same name and namespace in other branches
  1. 8.9.x core/tests/Drupal/Tests/Core/Render/Placeholder/ChainedPlaceholderStrategyTest.php \Drupal\Tests\Core\Render\Placeholder\ChainedPlaceholderStrategyTest
  2. 10 core/tests/Drupal/Tests/Core/Render/Placeholder/ChainedPlaceholderStrategyTest.php \Drupal\Tests\Core\Render\Placeholder\ChainedPlaceholderStrategyTest
  3. 11.x core/tests/Drupal/Tests/Core/Render/Placeholder/ChainedPlaceholderStrategyTest.php \Drupal\Tests\Core\Render\Placeholder\ChainedPlaceholderStrategyTest

@coversDefaultClass \Drupal\Core\Render\Placeholder\ChainedPlaceholderStrategy @group Render

Hierarchy

Expanded class hierarchy of ChainedPlaceholderStrategyTest

File

core/tests/Drupal/Tests/Core/Render/Placeholder/ChainedPlaceholderStrategyTest.php, line 12

Namespace

Drupal\Tests\Core\Render\Placeholder
View source 
class ChainedPlaceholderStrategyTest extends UnitTestCase {
    
    /**
     * @covers ::addPlaceholderStrategy
     * @covers ::processPlaceholders
     *
     * @dataProvider providerProcessPlaceholders
     */
    public function testProcessPlaceholders($strategies, $placeholders, $result) {
        $chained_placeholder_strategy = new ChainedPlaceholderStrategy();
        foreach ($strategies as $strategy) {
            $chained_placeholder_strategy->addPlaceholderStrategy($strategy);
        }
        $this->assertEquals($result, $chained_placeholder_strategy->processPlaceholders($placeholders));
    }
    
    /**
     * Provides a list of render strategies, placeholders and results.
     *
     * @return array
     */
    public function providerProcessPlaceholders() {
        $data = [];
        // Empty placeholders.
        $data['empty placeholders'] = [
            [],
            [],
            [],
        ];
        // Placeholder removing strategy.
        $placeholders = [
            'remove-me' => [
                '#markup' => 'I-am-a-llama-that-will-be-removed-sad-face.',
            ],
        ];
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->willReturn([]);
        $dev_null_strategy = $prophecy->reveal();
        $data['placeholder removing strategy'] = [
            [
                $dev_null_strategy,
            ],
            $placeholders,
            [],
        ];
        // Fake Single Flush strategy.
        $placeholders = [
            '67890' => [
                '#markup' => 'special-placeholder',
            ],
        ];
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->willReturn($placeholders);
        $single_flush_strategy = $prophecy->reveal();
        $data['fake single flush strategy'] = [
            [
                $single_flush_strategy,
            ],
            $placeholders,
            $placeholders,
        ];
        // Fake ESI strategy.
        $placeholders = [
            '12345' => [
                '#markup' => 'special-placeholder-for-esi',
            ],
        ];
        $result = [
            '12345' => [
                '#markup' => '<esi:include src="/fragment/12345" />',
            ],
        ];
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->willReturn($result);
        $esi_strategy = $prophecy->reveal();
        $data['fake esi strategy'] = [
            [
                $esi_strategy,
            ],
            $placeholders,
            $result,
        ];
        // ESI + SingleFlush strategy (ESI replaces all).
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->willReturn($result);
        $esi_strategy = $prophecy->reveal();
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->shouldNotBeCalled();
        $prophecy->processPlaceholders($result)
            ->shouldNotBeCalled();
        $prophecy->processPlaceholders([])
            ->shouldNotBeCalled();
        $single_flush_strategy = $prophecy->reveal();
        $data['fake esi and single_flush strategy - esi replaces all'] = [
            [
                $esi_strategy,
                $single_flush_strategy,
            ],
            $placeholders,
            $result,
        ];
        // ESI + SingleFlush strategy (mixed).
        $placeholders = [
            '12345' => [
                '#markup' => 'special-placeholder-for-ESI',
            ],
            '67890' => [
                '#markup' => 'special-placeholder',
            ],
            'foo' => [
                '#markup' => 'bar',
            ],
        ];
        $esi_result = [
            '12345' => [
                '#markup' => '<esi:include src="/fragment/12345" />',
            ],
        ];
        $normal_result = [
            '67890' => [
                '#markup' => 'special-placeholder',
            ],
            'foo' => [
                '#markup' => 'bar',
            ],
        ];
        $result = $esi_result + $normal_result;
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->willReturn($esi_result);
        $esi_strategy = $prophecy->reveal();
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($normal_result)
            ->willReturn($normal_result);
        $single_flush_strategy = $prophecy->reveal();
        $data['fake esi and single_flush strategy - mixed'] = [
            [
                $esi_strategy,
                $single_flush_strategy,
            ],
            $placeholders,
            $result,
        ];
        return $data;
    }
    
    /**
     * @covers ::processPlaceholders
     */
    public function testProcessPlaceholdersNoStrategies() {
        // Placeholders but no strategies defined.
        $placeholders = [
            'assert-me' => [
                '#markup' => 'I-am-a-llama-that-will-lead-to-an-assertion-by-the-chained-placeholder-strategy.',
            ],
        ];
        $chained_placeholder_strategy = new ChainedPlaceholderStrategy();
        $this->expectException(\AssertionError::class);
        $this->expectExceptionMessage('At least one placeholder strategy must be present; by default the fallback strategy \\Drupal\\Core\\Render\\Placeholder\\SingleFlushStrategy is always present.');
        $chained_placeholder_strategy->processPlaceholders($placeholders);
    }
    
    /**
     * @covers ::processPlaceholders
     */
    public function testProcessPlaceholdersWithRoguePlaceholderStrategy() {
        // Placeholders but no strategies defined.
        $placeholders = [
            'assert-me' => [
                '#markup' => 'llama',
            ],
        ];
        $result = [
            'assert-me' => [
                '#markup' => 'llama',
            ],
            'new-placeholder' => [
                '#markup' => 'rogue llama',
            ],
        ];
        $prophecy = $this->prophesize('\\Drupal\\Core\\Render\\Placeholder\\PlaceholderStrategyInterface');
        $prophecy->processPlaceholders($placeholders)
            ->willReturn($result);
        $rogue_strategy = $prophecy->reveal();
        $chained_placeholder_strategy = new ChainedPlaceholderStrategy();
        $chained_placeholder_strategy->addPlaceholderStrategy($rogue_strategy);
        $this->expectException(\AssertionError::class);
        $this->expectExceptionMessage('Processed placeholders must be a subset of all placeholders.');
        $chained_placeholder_strategy->processPlaceholders($placeholders);
    }

}

Members

Title Deprecated Modifiers Object type Summary Overrides
ChainedPlaceholderStrategyTest::providerProcessPlaceholders public function Provides a list of render strategies, placeholders and results.
ChainedPlaceholderStrategyTest::testProcessPlaceholders public function @covers ::addPlaceholderStrategy
@covers ::processPlaceholders
ChainedPlaceholderStrategyTest::testProcessPlaceholdersNoStrategies public function @covers ::processPlaceholders
ChainedPlaceholderStrategyTest::testProcessPlaceholdersWithRoguePlaceholderStrategy public function @covers ::processPlaceholders
PhpUnitWarnings::$deprecationWarnings private static property Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning public function Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
UnitTestCase::$randomGenerator protected property The random generator.
UnitTestCase::$root protected property The app root. 1
UnitTestCase::assertArrayEquals Deprecated protected function Asserts if two arrays are equal by sorting them first.
UnitTestCase::getClassResolverStub protected function Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub public function Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub public function Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator protected function Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator protected function Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub public function Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName public function Generates a unique random string containing letters and numbers.
UnitTestCase::setUp protected function 338
UnitTestCase::setUpBeforeClass public static function

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