githubmirror/gutenberg

phpunit/style-engine/style-engine-test.php
904 строки28 KB
Ramon
Style Engine: Preserve important gradient declarations (#79568)
30 июн 2026, 13:32
30 июн 2026, 13:32690d950
<?php
/**
 * Tests the Style Engine global functions that interact with the WP_Style_Engine class.
 *
 * @package    Gutenberg
 * @subpackage style-engine
 */

/**
 * Tests for registering, storing and generating styles.
 *
 * @group style-engine
 */
class WP_Style_Engine_Test extends WP_UnitTestCase {
	/**
	 * Cleans up stores after each test.
	 */
	public function tear_down() {
		WP_Style_Engine_CSS_Rules_Store_Gutenberg::remove_all_stores();
		parent::tear_down();
	}

	/**
	 * Tests generating block styles and classnames based on various manifestations of the $block_styles argument.
	 *
	 * @covers ::wp_style_engine_get_styles
	 * @covers WP_Style_Engine_Gutenberg::parse_block_styles
	 * @covers WP_Style_Engine_Gutenberg::compile_css
	 *
	 * @dataProvider data_wp_style_engine_get_styles
	 *
	 * @param array  $block_styles    The incoming block styles object.
	 * @param array  $options         {
	 *     An array of options to pass to `gutenberg_style_engine_get_styles()`.
	 *
	 *     @type string|null $context                    An identifier describing the origin of the style object, e.g., 'block-supports' or 'global-styles'. Default is `null`.
	 *                                                   When set, the Style Engine will attempt to store the CSS rules, where a selector is also passed.
	 *     @type bool        $convert_vars_to_classnames Whether to skip converting incoming CSS var patterns, e.g., `var:preset|<PRESET_TYPE>|<PRESET_SLUG>`, to var( --wp--preset--* ) values. Default `false`.
	 *     @type string      $selector                   Optional. When a selector is passed, the value of `$css` in the return value will comprise a full CSS rule `$selector { ...$css_declarations }`,
	 *                                                   otherwise, the value will be a concatenated string of CSS declarations.
	 * }
	 * @param string $expected_output The expected output.
	 */
	public function test_wp_style_engine_get_styles( $block_styles, $options, $expected_output ) {
		$generated_styles = gutenberg_style_engine_get_styles( $block_styles, $options );

		$this->assertSame( $expected_output, $generated_styles );
	}

	/**
	 * Data provider for test_wp_style_engine_get_styles().
	 *
	 * @return array
	 */
	public function data_wp_style_engine_get_styles() {
		return array(
			'default_return_value'                         => array(
				'block_styles'    => array(),
				'options'         => null,
				'expected_output' => array(),
			),

			'inline_invalid_block_styles_empty'            => array(
				'block_styles'    => 'hello world!',
				'options'         => null,
				'expected_output' => array(),
			),

			'inline_invalid_block_styles_unknown_style'    => array(
				'block_styles'    => array(
					'pageBreakAfter' => 'verso',
				),
				'options'         => null,
				'expected_output' => array(),
			),

			'inline_invalid_block_styles_unknown_definition' => array(
				'block_styles'    => array(
					'pageBreakAfter' => 'verso',
				),
				'options'         => null,
				'expected_output' => array(),
			),

			'inline_invalid_block_styles_unknown_property' => array(
				'block_styles'    => array(
					'spacing' => array(
						'gap' => '1000vw',
					),
				),
				'options'         => null,
				'expected_output' => array(),
			),

			'valid_inline_css_and_classnames_as_default_context' => array(
				'block_styles'    => array(
					'color'   => array(
						'text' => 'var:preset|color|texas-flood',
					),
					'spacing' => array(
						'margin'  => '111px',
						'padding' => '0',
					),
					'border'  => array(
						'color' => 'var:preset|color|cool-caramel',
						'width' => '2rem',
						'style' => 'dotted',
					),
				),
				'options'         => array( 'convert_vars_to_classnames' => true ),
				'expected_output' => array(
					'css'          => 'border-style:dotted;border-width:2rem;padding:0;margin:111px;',
					'declarations' => array(
						'border-style' => 'dotted',
						'border-width' => '2rem',
						'padding'      => '0',
						'margin'       => '111px',
					),
					'classnames'   => 'has-text-color has-texas-flood-color has-border-color has-cool-caramel-border-color',
				),
			),

			'inline_valid_box_model_style'                 => array(
				'block_styles'    => array(
					'spacing' => array(
						'padding' => array(
							'top'    => '42px',
							'left'   => '2%',
							'bottom' => '44px',
							'right'  => '5rem',
						),
						'margin'  => array(
							'top'    => '12rem',
							'left'   => '2vh',
							'bottom' => '2px',
							'right'  => '10em',
						),
					),
					'border'  => array(
						'radius' => array(
							'topLeft'     => '99px',
							'topRight'    => '98px',
							'bottomLeft'  => '97px',
							'bottomRight' => '96px',
						),
					),
				),
				'options'         => null,
				'expected_output' => array(
					'css'          => 'border-top-left-radius:99px;border-top-right-radius:98px;border-bottom-left-radius:97px;border-bottom-right-radius:96px;padding-top:42px;padding-left:2%;padding-bottom:44px;padding-right:5rem;margin-top:12rem;margin-left:2vh;margin-bottom:2px;margin-right:10em;',
					'declarations' => array(
						'border-top-left-radius'     => '99px',
						'border-top-right-radius'    => '98px',
						'border-bottom-left-radius'  => '97px',
						'border-bottom-right-radius' => '96px',
						'padding-top'                => '42px',
						'padding-left'               => '2%',
						'padding-bottom'             => '44px',
						'padding-right'              => '5rem',
						'margin-top'                 => '12rem',
						'margin-left'                => '2vh',
						'margin-bottom'              => '2px',
						'margin-right'               => '10em',
					),
				),
			),

			'inline_valid_dimensions_min_height_style'     => array(
				'block_styles'    => array(
					'dimensions' => array(
						'minHeight' => '50vh',
					),
				),
				'options'         => null,
				'expected_output' => array(
					'css'          => 'min-height:50vh;',
					'declarations' => array(
						'min-height' => '50vh',
					),
				),
			),

			'inline_valid_dimensions_min_width_style'      => array(
				'block_styles'    => array(
					'dimensions' => array(
						'minWidth' => '25vw',
					),
				),
				'options'         => null,
				'expected_output' => array(
					'css'          => 'min-width:25vw;',
					'declarations' => array(
						'min-width' => '25vw',
					),
				),
			),

			'inline_valid_dimensions_width_style'          => array(
				'block_styles'    => array(
					'dimensions' => array(
						'width' => '50%',
					),
				),
				'options'         => null,
				'expected_output' => array(
					'css'          => 'width:50%;',
					'declarations' => array(
						'width' => '50%',
					),
				),
			),

			'inline_valid_typography_style'                => array(
				'block_styles'    => array(
					'typography' => array(
						'fontSize'       => 'clamp(2em, 2vw, 4em)',
						'fontFamily'     => 'Roboto,Oxygen-Sans,Ubuntu,sans-serif',
						'fontStyle'      => 'italic',
						'fontWeight'     => '800',
						'lineHeight'     => '1.3',
						'textColumns'    => '2',
						'textDecoration' => 'underline',
						'textTransform'  => 'uppercase',
						'letterSpacing'  => '2',
						'writingMode'    => 'vertical-rl',
					),
				),
				'options'         => null,
				'expected_output' => array(
					'css'          => 'font-size:clamp(2em, 2vw, 4em);font-family:Roboto,Oxygen-Sans,Ubuntu,sans-serif;font-style:italic;font-weight:800;line-height:1.3;column-count:2;text-decoration:underline;text-transform:uppercase;letter-spacing:2;writing-mode:vertical-rl;',
					'declarations' => array(
						'font-size'       => 'clamp(2em, 2vw, 4em)',
						'font-family'     => 'Roboto,Oxygen-Sans,Ubuntu,sans-serif',
						'font-style'      => 'italic',
						'font-weight'     => '800',
						'line-height'     => '1.3',
						'column-count'    => '2',
						'text-decoration' => 'underline',
						'text-transform'  => 'uppercase',
						'letter-spacing'  => '2',
						'writing-mode'    => 'vertical-rl',
					),
				),
			),

			'style_block_with_selector'                    => array(
				'block_styles'    => array(
					'spacing' => array(
						'padding' => array(
							'top'    => '42px',
							'left'   => '2%',
							'bottom' => '44px',
							'right'  => '5rem',
						),
					),
				),
				'options'         => array( 'selector' => '.wp-selector > p' ),
				'expected_output' => array(
					'css'          => '.wp-selector > p{padding-top:42px;padding-left:2%;padding-bottom:44px;padding-right:5rem;}',
					'declarations' => array(
						'padding-top'    => '42px',
						'padding-left'   => '2%',
						'padding-bottom' => '44px',
						'padding-right'  => '5rem',
					),
				),
			),

			'elements_with_css_var_value'                  => array(
				'block_styles'    => array(
					'color'      => array(
						'text' => 'var:preset|color|my-little-pony',
					),
					'typography' => array(
						'fontSize'   => 'var:preset|font-size|cabbage-patch',
						'fontFamily' => 'var:preset|font-family|transformers',
					),
				),
				'options'         => array(
					'selector' => '.wp-selector',
				),
				'expected_output' => array(
					'css'          => '.wp-selector{color:var(--wp--preset--color--my-little-pony);font-size:var(--wp--preset--font-size--cabbage-patch);font-family:var(--wp--preset--font-family--transformers);}',
					'declarations' => array(
						'color'       => 'var(--wp--preset--color--my-little-pony)',
						'font-size'   => 'var(--wp--preset--font-size--cabbage-patch)',
						'font-family' => 'var(--wp--preset--font-family--transformers)',

					),
					'classnames'   => 'has-text-color has-my-little-pony-color has-cabbage-patch-font-size has-transformers-font-family',
				),
			),

			'elements_with_invalid_preset_style_property'  => array(
				'block_styles'    => array(
					'color' => array(
						'text' => 'var:preset|invalid_property|my-little-pony',
					),
				),
				'options'         => array( 'selector' => '.wp-selector' ),
				'expected_output' => array(
					'classnames' => 'has-text-color',
				),
			),

			'valid_classnames_deduped'                     => array(
				'block_styles'    => array(
					'color'      => array(
						'text'       => 'var:preset|color|copper-socks',
						'background' => 'var:preset|color|splendid-carrot',
						'gradient'   => 'var:preset|gradient|like-wow-dude',
					),
					'typography' => array(
						'fontSize'   => 'var:preset|font-size|fantastic',
						'fontFamily' => 'var:preset|font-family|totally-awesome',
					),
				),
				'options'         => array( 'convert_vars_to_classnames' => true ),
				'expected_output' => array(
					'classnames' => 'has-text-color has-copper-socks-color has-background has-splendid-carrot-background-color has-like-wow-dude-gradient-background has-fantastic-font-size has-totally-awesome-font-family',
				),
			),

			'valid_classnames_and_css_vars'                => array(
				'block_styles'    => array(
					'color' => array(
						'text' => 'var:preset|color|teal-independents',
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'color:var(--wp--preset--color--teal-independents);',
					'declarations' => array(
						'color' => 'var(--wp--preset--color--teal-independents)',
					),
					'classnames'   => 'has-text-color has-teal-independents-color',
				),
			),

			'valid_classnames_with_null_style_values'      => array(
				'block_styles'    => array(
					'color' => array(
						'text'       => '#fff',
						'background' => null,
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'color:#fff;',
					'declarations' => array(
						'color' => '#fff',
					),
					'classnames'   => 'has-text-color',
				),
			),

			'invalid_classnames_preset_value'              => array(
				'block_styles'    => array(
					'color'   => array(
						'text'       => 'var:cheese|color|fantastic',
						'background' => 'var:preset|fromage|fantastic',
					),
					'spacing' => array(
						'margin'  => 'var:cheese|spacing|margin',
						'padding' => 'var:preset|spacing|padding',
					),
				),
				'options'         => array( 'convert_vars_to_classnames' => true ),
				'expected_output' => array(
					'classnames' => 'has-text-color has-background',
				),
			),

			'valid_spacing_single_preset_values'           => array(
				'block_styles'    => array(
					'spacing' => array(
						'margin'  => 'var:preset|spacing|10',
						'padding' => 'var:preset|spacing|20',
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'padding:var(--wp--preset--spacing--20);margin:var(--wp--preset--spacing--10);',
					'declarations' => array(
						'padding' => 'var(--wp--preset--spacing--20)',
						'margin'  => 'var(--wp--preset--spacing--10)',
					),
				),
			),

			'valid_spacing_multi_preset_values'            => array(
				'block_styles'    => array(
					'spacing' => array(
						'margin'  => array(
							'left'   => 'var:preset|spacing|10',
							'right'  => 'var:preset|spacing|3XL',
							'top'    => '1rem',
							'bottom' => '1rem',
						),
						'padding' => array(
							'left'   => 'var:preset|spacing|30',
							'right'  => 'var:preset|spacing|3XL',
							'top'    => '14px',
							'bottom' => '14px',
						),
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'padding-left:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--3-xl);padding-top:14px;padding-bottom:14px;margin-left:var(--wp--preset--spacing--10);margin-right:var(--wp--preset--spacing--3-xl);margin-top:1rem;margin-bottom:1rem;',
					'declarations' => array(
						'padding-left'   => 'var(--wp--preset--spacing--30)',
						'padding-right'  => 'var(--wp--preset--spacing--3-xl)',
						'padding-top'    => '14px',
						'padding-bottom' => '14px',
						'margin-left'    => 'var(--wp--preset--spacing--10)',
						'margin-right'   => 'var(--wp--preset--spacing--3-xl)',
						'margin-top'     => '1rem',
						'margin-bottom'  => '1rem',
					),
				),
			),

			'invalid_spacing_multi_preset_values'          => array(
				'block_styles'    => array(
					'spacing' => array(
						'margin' => array(
							'left'   => 'var:preset|spaceman|10',
							'right'  => 'var:preset|spaceman|20',
							'top'    => '1rem',
							'bottom' => '0',
						),
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'margin-top:1rem;margin-bottom:0;',
					'declarations' => array(
						'margin-top'    => '1rem',
						'margin-bottom' => '0',
					),
				),
			),

			'invalid_classnames_options'                   => array(
				'block_styles'    => array(
					'typography' => array(
						'fontSize'   => array(
							'tomodachi' => 'friends',
						),
						'fontFamily' => array(
							'oishii' => 'tasty',
						),
					),
				),
				'options'         => array(),
				'expected_output' => array(),
			),

			'inline_valid_box_model_style_with_sides'      => array(
				'block_styles'    => array(
					'border' => array(
						'top'    => array(
							'color' => '#fe1',
							'width' => '1.5rem',
							'style' => 'dashed',
						),
						'right'  => array(
							'color' => '#fe2',
							'width' => '1.4rem',
							'style' => 'solid',
						),
						'bottom' => array(
							'color' => '#fe3',
							'width' => '1.3rem',
						),
						'left'   => array(
							'color' => 'var:preset|color|swampy-yellow',
							'width' => '0.5rem',
							'style' => 'dotted',
						),
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'border-top-color:#fe1;border-top-width:1.5rem;border-top-style:dashed;border-right-color:#fe2;border-right-width:1.4rem;border-right-style:solid;border-bottom-color:#fe3;border-bottom-width:1.3rem;border-left-color:var(--wp--preset--color--swampy-yellow);border-left-width:0.5rem;border-left-style:dotted;',
					'declarations' => array(
						'border-top-color'    => '#fe1',
						'border-top-width'    => '1.5rem',
						'border-top-style'    => 'dashed',
						'border-right-color'  => '#fe2',
						'border-right-width'  => '1.4rem',
						'border-right-style'  => 'solid',
						'border-bottom-color' => '#fe3',
						'border-bottom-width' => '1.3rem',
						'border-left-color'   => 'var(--wp--preset--color--swampy-yellow)',
						'border-left-width'   => '0.5rem',
						'border-left-style'   => 'dotted',
					),
				),
			),

			'inline_invalid_box_model_style_with_sides'    => array(
				'block_styles'    => array(
					'border' => array(
						'top'    => array(
							'top'    => '#fe1',
							'right'  => '1.5rem',
							'cheese' => 'dashed',
						),
						'right'  => array(
							'right' => '#fe2',
							'top'   => '1.4rem',
							'bacon' => 'solid',
						),
						'bottom' => array(
							'color'  => 'var:preset|color|terrible-lizard',
							'bottom' => '1.3rem',
						),
						'left'   => array(
							'left'  => null,
							'width' => null,
							'top'   => 'dotted',
						),
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'border-bottom-color:var(--wp--preset--color--terrible-lizard);',
					'declarations' => array(
						'border-bottom-color' => 'var(--wp--preset--color--terrible-lizard)',
					),
				),
			),

			'inline_background_gradient_only'              => array(
				'block_styles'    => array(
					'background' => array(
						'gradient' => 'linear-gradient(135deg,rgb(255,0,0) 0%,rgb(0,0,255) 100%)',
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'background-image:linear-gradient(135deg,rgb(255,0,0) 0%,rgb(0,0,255) 100%);',
					'declarations' => array(
						'background-image' => 'linear-gradient(135deg,rgb(255,0,0) 0%,rgb(0,0,255) 100%)',
					),
					'classnames'   => 'has-background',
				),
			),

			'inline_background_gradient_with_preset_slug'  => array(
				'block_styles'    => array(
					'background' => array(
						'gradient' => 'var:preset|gradient|vivid-cyan-blue',
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => 'background-image:var(--wp--preset--gradient--vivid-cyan-blue);',
					'declarations' => array(
						'background-image' => 'var(--wp--preset--gradient--vivid-cyan-blue)',
					),
					'classnames'   => 'has-background',
				),
			),

			'inline_background_gradient_and_image_combined' => array(
				'block_styles'    => array(
					'background' => array(
						'backgroundImage' => array(
							'url' => 'https://example.com/image.jpg',
						),
						'gradient'        => 'linear-gradient(135deg,rgb(255,0,0) 0%,rgb(0,0,255) 100%)',
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => "background-image:linear-gradient(135deg,rgb(255,0,0) 0%,rgb(0,0,255) 100%), url('https://example.com/image.jpg');",
					'declarations' => array(
						'background-image' => "linear-gradient(135deg,rgb(255,0,0) 0%,rgb(0,0,255) 100%), url('https://example.com/image.jpg')",
					),
					'classnames'   => 'has-background',
				),
			),

			'inline_background_image_url_with_background_size' => array(
				'block_styles'    => array(
					'background' => array(
						'backgroundImage'      => array(
							'url' => 'https://example.com/image.jpg',
						),
						'backgroundPosition'   => 'center',
						'backgroundRepeat'     => 'no-repeat',
						'backgroundSize'       => 'cover',
						'backgroundAttachment' => 'fixed',
					),
				),
				'options'         => array(),
				'expected_output' => array(
					'css'          => "background-image:url('https://example.com/image.jpg');background-position:center;background-repeat:no-repeat;background-size:cover;background-attachment:fixed;",
					'declarations' => array(
						'background-image'      => "url('https://example.com/image.jpg')",
						'background-position'   => 'center',
						'background-repeat'     => 'no-repeat',
						'background-size'       => 'cover',
						'background-attachment' => 'fixed',
					),
				),
			),
		);
	}

	/**
	 * Tests adding rules to a store and retrieving a generated stylesheet.
	 *
	 * @covers ::wp_style_engine_get_styles
	 * @covers WP_Style_Engine_Gutenberg::store_css_rule
	 */
	public function test_should_store_block_styles_using_context() {
		$block_styles = array(
			'spacing' => array(
				'padding' => array(
					'top'    => '42px',
					'left'   => '2%',
					'bottom' => '44px',
					'right'  => '5rem',
				),
			),
		);

		$generated_styles = gutenberg_style_engine_get_styles(
			$block_styles,
			array(
				'context'  => 'block-supports',
				'selector' => 'article',
			)
		);
		$store            = WP_Style_Engine_Gutenberg::get_store( 'block-supports' );
		$rule             = $store->get_all_rules()['article'];

		$this->assertSame( $generated_styles['css'], $rule->get_css() );
	}

	/**
	 * Tests that passing no context does not store styles.
	 *
	 * @covers ::wp_style_engine_get_styles
	 */
	public function test_should_not_store_block_styles_without_context() {
		$block_styles = array(
			'typography' => array(
				'fontSize' => '999px',
			),
		);

		gutenberg_style_engine_get_styles(
			$block_styles,
			array(
				'selector' => '#font-size-rulez',
			)
		);

		$all_stores = WP_Style_Engine_CSS_Rules_Store_Gutenberg::get_stores();

		$this->assertEmpty( $all_stores );
	}

	/**
	 * Tests adding rules to a store and retrieving a generated stylesheet.
	 *
	 * @covers ::wp_style_engine_get_stylesheet_from_context
	 */
	public function test_should_get_stored_stylesheet_from_context() {
		$css_rules           = array(
			array(
				'selector'     => '.frodo',
				'declarations' => array(
					'color'        => 'brown',
					'height'       => '10px',
					'width'        => '30px',
					'border-style' => 'dotted',
				),
			),
			array(
				'selector'     => '.samwise',
				'declarations' => array(
					'color'        => 'brown',
					'height'       => '20px',
					'width'        => '50px',
					'border-style' => 'solid',
				),
			),
		);
		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules(
			$css_rules,
			array(
				'context' => 'test-store',
			)
		);

		$this->assertSame( $compiled_stylesheet, gutenberg_style_engine_get_stylesheet_from_context( 'test-store' ) );
	}

	/**
	 * Tests returning a generated stylesheet from a set of rules.
	 *
	 * @covers ::gutenberg_style_engine_get_stylesheet_from_css_rules
	 * @covers WP_Style_Engine_Gutenberg::compile_stylesheet_from_css_rules
	 */
	public function test_should_return_stylesheet_from_css_rules() {
		$css_rules = array(
			array(
				'selector'     => '.saruman',
				'declarations' => array(
					'color'        => 'white',
					'height'       => '100px',
					'border-style' => 'solid',
					'align-self'   => 'unset',
				),
			),
			array(
				'selector'     => '.gandalf',
				'declarations' => array(
					'color'        => 'grey',
					'height'       => '90px',
					'border-style' => 'dotted',
					'align-self'   => 'safe center',
				),
			),
			array(
				'selector'     => '.radagast',
				'declarations' => array(
					'color'        => 'brown',
					'height'       => '60px',
					'border-style' => 'dashed',
					'align-self'   => 'stretch',
				),
			),
		);

		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules( $css_rules, array( 'prettify' => false ) );

		$this->assertSame( '.saruman{color:white;height:100px;border-style:solid;align-self:unset;}.gandalf{color:grey;height:90px;border-style:dotted;align-self:safe center;}.radagast{color:brown;height:60px;border-style:dashed;align-self:stretch;}', $compiled_stylesheet );
	}

	/**
	 * Tests that incoming styles are deduped and merged.
	 *
	 * @ticket 58811
	 *
	 * @covers ::wp_style_engine_get_stylesheet_from_css_rules
	 * @covers WP_Style_Engine_Gutenberg::compile_stylesheet_from_css_rules
	 */
	public function test_should_dedupe_and_merge_css_rules() {
		$css_rules = array(
			array(
				'selector'     => '.gandalf',
				'declarations' => array(
					'color'        => 'grey',
					'height'       => '90px',
					'border-style' => 'dotted',
				),
			),
			array(
				'selector'     => '.gandalf',
				'declarations' => array(
					'color'         => 'white',
					'height'        => '190px',
					'padding'       => '10px',
					'margin-bottom' => '100px',
				),
			),
			array(
				'selector'     => '.dumbledore',
				'declarations' => array(
					'color'        => 'grey',
					'height'       => '90px',
					'border-style' => 'dotted',
				),
			),
			array(
				'selector'     => '.rincewind',
				'declarations' => array(
					'color'        => 'grey',
					'height'       => '90px',
					'border-style' => 'dotted',
				),
			),
		);

		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules( $css_rules, array( 'prettify' => false ) );

		$this->assertSame( '.gandalf{color:white;height:190px;border-style:dotted;padding:10px;margin-bottom:100px;}.dumbledore{color:grey;height:90px;border-style:dotted;}.rincewind{color:grey;height:90px;border-style:dotted;}', $compiled_stylesheet );
	}

	/**
	 * Tests returning a generated stylesheet from a set of duotone rules.
	 *
	 * This is testing this fix: https://github.com/WordPress/gutenberg/pull/49004
	 *
	 * @covers ::wp_style_engine_get_stylesheet_from_css_rules
	 * @covers WP_Style_Engine_Gutenberg::compile_stylesheet_from_css_rules
	 */
	public function test_should_return_stylesheet_from_duotone_css_rules() {
		$css_rules = array(
			array(
				'selector'     => '.wp-duotone-ffffff-000000-1',
				'declarations' => array(
					// !important is needed because these styles
					// render before global styles,
					// and they should be overriding the duotone
					// filters set by global styles.
					'filter' => "url('#wp-duotone-ffffff-000000-1') !important",
				),
			),
		);

		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules( $css_rules, array( 'prettify' => false ) );
		$this->assertSame( ".wp-duotone-ffffff-000000-1{filter:url('#wp-duotone-ffffff-000000-1') !important;}", $compiled_stylesheet );
	}

	/**
	 * Tests returning a generated stylesheet with important declarations.
	 *
	 * @covers ::wp_style_engine_get_stylesheet_from_css_rules
	 * @covers WP_Style_Engine_Gutenberg::compile_stylesheet_from_css_rules
	 */
	public function test_should_return_stylesheet_with_important_declarations() {
		$declarations = new WP_Style_Engine_CSS_Declarations_Gutenberg();
		$declarations->add_declaration(
			'background-image',
			'linear-gradient(135deg,rgb(119,255,112) 0%,rgb(253,254,215) 99%)',
			array(
				'important' => true,
			)
		);
		$css_rules = array(
			array(
				'selector'     => '.responsive-state',
				'declarations' => $declarations,
			),
		);

		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules( $css_rules, array( 'prettify' => false ) );
		$this->assertSame( '.responsive-state{background-image:linear-gradient(135deg,rgb(119,255,112) 0%,rgb(253,254,215) 99%) !important;}', $compiled_stylesheet );
	}

	/**
	 * Tests returning a generated stylesheet from a set of nested rules and merging their declarations.
	 */
	public function test_should_merge_declarations_for_rules_groups() {
		$css_rules = array(
			array(
				'selector'     => '.saruman',
				'rules_group'  => '@container (min-width: 700px)',
				'declarations' => array(
					'color'        => 'white',
					'height'       => '100px',
					'border-style' => 'solid',
					'align-self'   => 'stretch',
				),
			),
			array(
				'selector'     => '.saruman',
				'rules_group'  => '@container (min-width: 700px)',
				'declarations' => array(
					'color'       => 'black',
					'font-family' => 'The-Great-Eye',
				),
			),
		);

		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules( $css_rules, array( 'prettify' => false ) );

		$this->assertSame( '@container (min-width: 700px){.saruman{color:black;height:100px;border-style:solid;align-self:stretch;font-family:The-Great-Eye;}}', $compiled_stylesheet );
	}

	/**
	 * Tests returning a generated stylesheet from a set of nested rules.
	 */
	public function test_should_return_stylesheet_with_nested_rules() {
		$css_rules = array(
			array(
				'rules_group'  => '.foo',
				'selector'     => '@media (orientation: landscape)',
				'declarations' => array(
					'background-color' => 'blue',
				),
			),
			array(
				'rules_group'  => '.foo',
				'selector'     => '@media (min-width > 1024px)',
				'declarations' => array(
					'background-color' => 'cotton-blue',
				),
			),
		);

		$compiled_stylesheet = gutenberg_style_engine_get_stylesheet_from_css_rules( $css_rules, array( 'prettify' => false ) );

		$this->assertSame( '.foo{@media (orientation: landscape){background-color:blue;}}.foo{@media (min-width > 1024px){background-color:cotton-blue;}}', $compiled_stylesheet );
	}
}