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Add Unit testing for duotone enhanced pagination. #55542

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merged 3 commits into from Nov 6, 2023
Merged

Add Unit testing for duotone enhanced pagination. #55542

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fa7a0bf
Add unit testing to duotone CSS declarations
cbravobernal Oct 23, 2023
14c1de0
Rename test to include gutenberg prefix
cbravobernal Oct 23, 2023
59d098e
Update tests to be like the ones in Core
cbravobernal Nov 2, 2023
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38 changes: 38 additions & 0 deletions phpunit/class-wp-duotone-test.php
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Expand Up @@ -45,6 +45,44 @@ public function test_gutenberg_render_duotone_support_custom() {
$this->assertMatchesRegularExpression( $expected, WP_Duotone_Gutenberg::render_duotone_support( $block_content, $block ) );
}


/**
* Tests whether the CSS declarations are generated even if the block content is
* empty. This is needed to make the CSS output stable across paginations for
* features like the enhanced pagination of the Query block.
*
* @covers ::render_duotone_support
*/
public function test_gutenberg_css_declarations_are_generated_even_with_empty_block_content() {
$block = array(
'blockName' => 'core/image',
'attrs' => array( 'style' => array( 'color' => array( 'duotone' => 'var:preset|duotone|blue-orange' ) ) ),
);
$wp_block = new WP_Block( $block );

/*
* Handling to access the static WP_Duotone::$block_css_declarations property.
*
* Why is an instance needed?
* WP_Duotone is a static class by design, meaning it only contains static properties and methods.
* In production, it should not be instantiated. However, as of PHP 8.3, ReflectionProperty::setValue()
* needs an object.
*/
$wp_duotone = new WP_Duotone_Gutenberg();
$block_css_declarations_property = new ReflectionProperty( 'WP_Duotone_Gutenberg', 'block_css_declarations' );
$block_css_declarations_property->setAccessible( true );
$previous_value = $block_css_declarations_property->getValue();
$block_css_declarations_property->setValue( $wp_duotone, array() );
WP_Duotone_Gutenberg::render_duotone_support( '', $block, $wp_block );
$actual = $block_css_declarations_property->getValue();

// Reset the property.
$block_css_declarations_property->setValue( $wp_duotone, $previous_value );
$block_css_declarations_property->setAccessible( false );

$this->assertNotEmpty( $actual );
}

public function data_get_slug_from_attribute() {
return array(
'pipe-slug' => array( 'var:preset|duotone|blue-orange', 'blue-orange' ),
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