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Editor: Backport Style Engine API functions, classes and tests.

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This PR migrates the Style Engine PHP functions, classes and tests into Core for 6.1. It backports the original [WordPress/gutenberg#40260 PR #40260] from Gutenberg repository.

Props ramonopoly, bernhard-reiter, costdev, azaozz, andrewserong, mukesh27, aristath.
See #56467.


git-svn-id: https://develop.svn.wordpress.org/trunk@54156 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jb Audras
2022-09-14 12:46:33 +00:00
parent 3381f05fa2
commit 7fcc88a087
12 changed files with 3005 additions and 0 deletions
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161
tests/phpunit/tests/style-engine/wpStyleEngineCssRule.php Normal file
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<?php
/**
* Tests the Style Engine CSS Rule class.
*
* @package WordPress
* @subpackage StyleEngine
* @since 6.1.0
*
* @group style-engine
*/
/**
* Tests for registering, storing and generating CSS rules.
*
* @coversDefaultClass WP_Style_Engine_CSS_Rule
*/
class Tests_Style_Engine_wpStyleEngineCSSRule extends WP_UnitTestCase {
/**
* Tests that declarations are set on instantiation.
*
* @ticket 56467
* @covers ::__construct
*/
public function test_should_instantiate_with_selector_and_rules() {
$selector = '.law-and-order';
$input_declarations = array(
'margin-top' => '10px',
'font-size' => '2rem',
);
$css_declarations = new WP_Style_Engine_CSS_Declarations( $input_declarations );
$css_rule = new WP_Style_Engine_CSS_Rule( $selector, $css_declarations );
$this->assertSame( $selector, $css_rule->get_selector(), 'Return value of get_selector() does not match value passed to constructor.' );
$expected = "$selector{{$css_declarations->get_declarations_string()}}";
$this->assertSame( $expected, $css_rule->get_css(), 'Value returned by get_css() does not match expected declarations string.' );
}
/**
* Tests that declaration properties are deduplicated.
*
* @ticket 56467
*
* @covers ::add_declarations
* @covers ::get_css
*/
public function test_should_dedupe_properties_in_rules() {
$selector = '.taggart';
$first_declaration = array(
'font-size' => '2rem',
);
$overwrite_first_declaration = array(
'font-size' => '4px',
);
$css_rule = new WP_Style_Engine_CSS_Rule( $selector, $first_declaration );
$css_rule->add_declarations( new WP_Style_Engine_CSS_Declarations( $overwrite_first_declaration ) );
$expected = '.taggart{font-size:4px;}';
$this->assertSame( $expected, $css_rule->get_css() );
}
/**
* Tests that declarations can be added to existing rules.
*
* @ticket 56467
*
* @covers ::add_declarations
* @covers ::get_css
*/
public function test_should_add_declarations_to_existing_rules() {
// Declarations using a WP_Style_Engine_CSS_Declarations object.
$some_css_declarations = new WP_Style_Engine_CSS_Declarations( array( 'margin-top' => '10px' ) );
// Declarations using a property => value array.
$some_more_css_declarations = array( 'font-size' => '1rem' );
$css_rule = new WP_Style_Engine_CSS_Rule( '.hill-street-blues', $some_css_declarations );
$css_rule->add_declarations( $some_more_css_declarations );
$expected = '.hill-street-blues{margin-top:10px;font-size:1rem;}';
$this->assertSame( $expected, $css_rule->get_css() );
}
/**
* Tests setting a selector to a rule.
*
* @ticket 56467
*
* @covers ::set_selector
*/
public function test_should_set_selector() {
$selector = '.taggart';
$css_rule = new WP_Style_Engine_CSS_Rule( $selector );
$this->assertSame( $selector, $css_rule->get_selector(), 'Return value of get_selector() does not match value passed to constructor.' );
$css_rule->set_selector( '.law-and-order' );
$this->assertSame( '.law-and-order', $css_rule->get_selector(), 'Return value of get_selector() does not match value passed to set_selector().' );
}
/**
* Tests generating a CSS rule string.
*
* @ticket 56467
*
* @covers ::get_css
*/
public function test_should_generate_css_rule_string() {
$selector = '.chips';
$input_declarations = array(
'margin-top' => '10px',
'font-size' => '2rem',
);
$css_declarations = new WP_Style_Engine_CSS_Declarations( $input_declarations );
$css_rule = new WP_Style_Engine_CSS_Rule( $selector, $css_declarations );
$expected = "$selector{{$css_declarations->get_declarations_string()}}";
$this->assertSame( $expected, $css_rule->get_css() );
}
/**
* Tests that an empty string will be returned where there are no declarations in a CSS rule.
*
* @ticket 56467
*
* @covers ::get_css
*/
public function test_should_return_empty_string_with_no_declarations() {
$selector = '.holmes';
$input_declarations = array();
$css_declarations = new WP_Style_Engine_CSS_Declarations( $input_declarations );
$css_rule = new WP_Style_Engine_CSS_Rule( $selector, $css_declarations );
$this->assertSame( '', $css_rule->get_css() );
}
/**
* Tests that CSS rules are prettified.
*
* @ticket 56467
*
* @covers ::get_css
*/
public function test_should_prettify_css_rule_output() {
$selector = '.baptiste';
$input_declarations = array(
'margin-left' => '0',
'font-family' => 'Detective Sans',
);
$css_declarations = new WP_Style_Engine_CSS_Declarations( $input_declarations );
$css_rule = new WP_Style_Engine_CSS_Rule( $selector, $css_declarations );
$expected = '.baptiste {
margin-left: 0;
font-family: Detective Sans;
}';
$this->assertSame( $expected, $css_rule->get_css( true ) );
}
}