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> PHPUnit 8.0.0 introduced a `void` return type declaration to the "fixture" methods – `setUpBeforeClass()`, `setUp()`, `tearDown()` and `tearDownAfterClass()`. As the `void` return type was not introduced until PHP 7.1, this makes it more difficult to create cross-version compatible tests when using fixtures, due to signature mismatches. > > The `Yoast\PHPUnitPolyfills\TestCases\TestCase` overcomes the signature mismatch by having two versions. The correct one will be loaded depending on the PHPUnit version being used. > > When using this TestCase, if an individual test, or another TestCase which extends this TestCase, needs to overload any of the "fixture" methods, it should do so by using a snake_case variant of the original fixture method name, i.e. `set_up_before_class()`, `set_up()`, `assert_pre_conditions()`, `assert_post_conditions()`, `tear_down()`, and `tear_down_after_class()`. > > The snake_case methods will automatically be called by PHPUnit. > > > IMPORTANT: The snake_case methods should not call the PHPUnit parent, i.e. do not use `parent::setUp()` from within an overloaded `set_up()` method. If necessary, DO call `parent::set_up()`. Reference: https://github.com/Yoast/PHPUnit-Polyfills#testcases This commit renames all declared fixture methods, and calls to parent versions of those fixture methods, from camelCase to snake_case. Follow-up to [51559-51567]. Props jrf, hellofromTonya, johnbillion, netweb, dd32, pputzer, SergeyBiryukov. See #46149. git-svn-id: https://develop.svn.wordpress.org/trunk@51568 602fd350-edb4-49c9-b593-d223f7449a82
84 lines
2.2 KiB
PHP
84 lines
2.2 KiB
PHP
<?php
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/**
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* @group image
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*/
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abstract class WP_Image_UnitTestCase extends WP_UnitTestCase {
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/**
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* Set the image editor engine according to the unit test's specification
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*/
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public function set_up() {
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parent::set_up();
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if ( ! call_user_func( array( $this->editor_engine, 'test' ) ) ) {
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$this->markTestSkipped( sprintf( 'The image editor engine %s is not supported on this system.', $this->editor_engine ) );
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}
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add_filter( 'wp_image_editors', array( $this, 'setEngine' ), 10, 2 );
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}
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/**
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* Override the image editor engine
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*
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* @return string
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*/
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public function setEngine( $editors ) {
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return array( $this->editor_engine );
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}
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/**
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* Helper assertion for testing alpha on images using GD library
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*
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* @param string $image_path
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* @param array $point array(x,y)
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* @param int $alpha
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*/
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protected function assertImageAlphaAtPointGD( $image_path, $point, $alpha ) {
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$im = imagecreatefrompng( $image_path );
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$rgb = imagecolorat( $im, $point[0], $point[1] );
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$colors = imagecolorsforindex( $im, $rgb );
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$this->assertSame( $alpha, $colors['alpha'] );
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}
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/**
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* Helper assertion for testing alpha on images using Imagick
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*
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* @param string $image_path
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* @param array $point array(x,y)
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* @param int $expected
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*/
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protected function assertImageAlphaAtPointImagick( $image_path, $point, $expected ) {
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$im = new Imagick( $image_path );
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$pixel = $im->getImagePixelColor( $point[0], $point[1] );
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$color = $pixel->getColorValue( imagick::COLOR_ALPHA );
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$this->assertSame( $expected, $color );
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}
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/**
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* Helper assertion to check actual image dimensions on disk
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*
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* @param string $filename Image filename.
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* @param int $width Width to verify.
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* @param int $height Height to verify.
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*/
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protected function assertImageDimensions( $filename, $width, $height ) {
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$detected_width = 0;
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$detected_height = 0;
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$image_size = getimagesize( $filename );
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if ( isset( $image_size[0] ) ) {
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$detected_width = $image_size[0];
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}
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if ( isset( $image_size[1] ) ) {
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$detected_height = $image_size[1];
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}
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$this->assertSame( $width, $detected_width );
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$this->assertSame( $height, $detected_height );
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}
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}
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