class ImageDimensionsScaleTestCase

Tests image_dimensions_scale().

Hierarchy

Expanded class hierarchy of ImageDimensionsScaleTestCase

File

modules/image/image.test, line 1529

View source
class ImageDimensionsScaleTestCase extends DrupalUnitTestCase {
    public static function getInfo() {
        return array(
            'name' => 'image_dimensions_scale()',
            'description' => 'Tests all control flow branches in image_dimensions_scale().',
            'group' => 'Image',
        );
    }
    
    /**
     * Tests all control flow branches in image_dimensions_scale().
     */
    function testImageDimensionsScale() {
        // Define input / output datasets to test different branch conditions.
        $test = array();
        // Test branch conditions:
        // - No height.
        // - Upscale, don't need to upscale.
        $tests[] = array(
            'input' => array(
                'dimensions' => array(
                    'width' => 1000,
                    'height' => 2000,
                ),
                'width' => 200,
                'height' => NULL,
                'upscale' => TRUE,
            ),
            'output' => array(
                'dimensions' => array(
                    'width' => 200,
                    'height' => 400,
                ),
                'return_value' => TRUE,
            ),
        );
        // Test branch conditions:
        // - No width.
        // - Don't upscale, don't need to upscale.
        $tests[] = array(
            'input' => array(
                'dimensions' => array(
                    'width' => 1000,
                    'height' => 800,
                ),
                'width' => NULL,
                'height' => 140,
                'upscale' => FALSE,
            ),
            'output' => array(
                'dimensions' => array(
                    'width' => 175,
                    'height' => 140,
                ),
                'return_value' => TRUE,
            ),
        );
        // Test branch conditions:
        // - Source aspect ratio greater than target.
        // - Upscale, need to upscale.
        $tests[] = array(
            'input' => array(
                'dimensions' => array(
                    'width' => 8,
                    'height' => 20,
                ),
                'width' => 200,
                'height' => 140,
                'upscale' => TRUE,
            ),
            'output' => array(
                'dimensions' => array(
                    'width' => 56,
                    'height' => 140,
                ),
                'return_value' => TRUE,
            ),
        );
        // Test branch condition: target aspect ratio greater than source.
        $tests[] = array(
            'input' => array(
                'dimensions' => array(
                    'width' => 2000,
                    'height' => 800,
                ),
                'width' => 200,
                'height' => 140,
                'upscale' => FALSE,
            ),
            'output' => array(
                'dimensions' => array(
                    'width' => 200,
                    'height' => 80,
                ),
                'return_value' => TRUE,
            ),
        );
        // Test branch condition: don't upscale, need to upscale.
        $tests[] = array(
            'input' => array(
                'dimensions' => array(
                    'width' => 100,
                    'height' => 50,
                ),
                'width' => 200,
                'height' => 140,
                'upscale' => FALSE,
            ),
            'output' => array(
                'dimensions' => array(
                    'width' => 100,
                    'height' => 50,
                ),
                'return_value' => FALSE,
            ),
        );
        foreach ($tests as $test) {
            // Process the test dataset.
            $return_value = image_dimensions_scale($test['input']['dimensions'], $test['input']['width'], $test['input']['height'], $test['input']['upscale']);
            // Check the width.
            $this->assertEqual($test['output']['dimensions']['width'], $test['input']['dimensions']['width'], format_string('Computed width (@computed_width) equals expected width (@expected_width)', array(
                '@computed_width' => $test['output']['dimensions']['width'],
                '@expected_width' => $test['input']['dimensions']['width'],
            )));
            // Check the height.
            $this->assertEqual($test['output']['dimensions']['height'], $test['input']['dimensions']['height'], format_string('Computed height (@computed_height) equals expected height (@expected_height)', array(
                '@computed_height' => $test['output']['dimensions']['height'],
                '@expected_height' => $test['input']['dimensions']['height'],
            )));
            // Check the return value.
            $this->assertEqual($test['output']['return_value'], $return_value, 'Correct return value.');
        }
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
DrupalTestCase::$assertions protected property Assertions thrown in that test case.
DrupalTestCase::$databasePrefix protected property The database prefix of this test run.
DrupalTestCase::$originalFileDirectory protected property The original file directory, before it was changed for testing purposes.
DrupalTestCase::$originalLanguage protected property The original language.
DrupalTestCase::$originalLanguageDefault protected property The original default language.
DrupalTestCase::$originalTheme protected property The original theme.
DrupalTestCase::$originalThemeKey protected property The original theme key.
DrupalTestCase::$originalThemePath protected property The original theme path.
DrupalTestCase::$results public property Current results of this test case.
DrupalTestCase::$setup protected property Flag to indicate whether the test has been set up.
DrupalTestCase::$setupDatabasePrefix protected property
DrupalTestCase::$setupEnvironment protected property
DrupalTestCase::$skipClasses protected property This class is skipped when looking for the source of an assertion.
DrupalTestCase::$testId protected property The test run ID.
DrupalTestCase::$timeLimit protected property Time limit for the test.
DrupalTestCase::$useSetupInstallationCache public property Whether to cache the installation part of the setUp() method.
DrupalTestCase::$useSetupModulesCache public property Whether to cache the modules installation part of the setUp() method.
DrupalTestCase::$verboseDirectoryUrl protected property URL to the verbose output file directory.
DrupalTestCase::assert protected function Internal helper: stores the assert.
DrupalTestCase::assertEqual protected function Check to see if two values are equal.
DrupalTestCase::assertFalse protected function Check to see if a value is false (an empty string, 0, NULL, or FALSE).
DrupalTestCase::assertIdentical protected function Check to see if two values are identical.
DrupalTestCase::assertNotEqual protected function Check to see if two values are not equal.
DrupalTestCase::assertNotIdentical protected function Check to see if two values are not identical.
DrupalTestCase::assertNotNull protected function Check to see if a value is not NULL.
DrupalTestCase::assertNull protected function Check to see if a value is NULL.
DrupalTestCase::assertTrue protected function Check to see if a value is not false (not an empty string, 0, NULL, or FALSE).
DrupalTestCase::deleteAssert public static function Delete an assertion record by message ID.
DrupalTestCase::error protected function Fire an error assertion. 1
DrupalTestCase::errorHandler public function Handle errors during test runs. 1
DrupalTestCase::exceptionHandler protected function Handle exceptions.
DrupalTestCase::fail protected function Fire an assertion that is always negative.
DrupalTestCase::generatePermutations public static function Converts a list of possible parameters into a stack of permutations.
DrupalTestCase::getAssertionCall protected function Cycles through backtrace until the first non-assertion method is found.
DrupalTestCase::getDatabaseConnection public static function Returns the database connection to the site running Simpletest.
DrupalTestCase::insertAssert public static function Store an assertion from outside the testing context.
DrupalTestCase::pass protected function Fire an assertion that is always positive.
DrupalTestCase::randomName public static function Generates a random string containing letters and numbers.
DrupalTestCase::randomString public static function Generates a random string of ASCII characters of codes 32 to 126.
DrupalTestCase::run public function Run all tests in this class.
DrupalTestCase::verbose protected function Logs a verbose message in a text file.
DrupalUnitTestCase::setUp protected function Sets up unit test environment. 10
DrupalUnitTestCase::tearDown protected function 1
DrupalUnitTestCase::__construct function Constructor for DrupalUnitTestCase. Overrides DrupalTestCase::__construct
ImageDimensionsScaleTestCase::getInfo public static function
ImageDimensionsScaleTestCase::testImageDimensionsScale function Tests all control flow branches in image_dimensions_scale().

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