add unit tests to verify default presets in block and classic themes

phpunit/class-wp-theme-json-resolver-test.php

@@ -194,6 +194,22 @@ public function test_translations_are_applied() {
 					'padding'  => true,
 					'blockGap' => true,
 				),
+				'shadow'     => array(
+					'presets' => array(
+						'theme' => array(
+							array(
+								'name'   => 'Natural',
+								'slug'   => 'natural',
+								'shadow' => '2px 2px 3px #000',
+							),
+							array(
+								'name'   => 'Test',
+								'slug'   => 'test',
+								'shadow' => '2px 2px 3px #000',
+							),
+						),
+					),
+				),
 				'blocks'     => array(
 					'core/paragraph' => array(
 						'color' => array(
@@ -540,6 +556,22 @@ public function test_merges_child_theme_json_into_parent_theme_json() {
 					),
 				),
 			),
+			'shadow'     => array(
+				'presets' => array(
+					'theme' => array(
+						array(
+							'name'   => 'Natural',
+							'slug'   => 'natural',
+							'shadow' => '2px 2px 3px #000',
+						),
+						array(
+							'name'   => 'Test',
+							'slug'   => 'test',
+							'shadow' => '2px 2px 3px #000',
+						),
+					),
+				),
+			),
 			'spacing'    => array(
 				'blockGap' => true,
 				'units'    => array( 'rem' ),
@@ -1039,4 +1071,72 @@ public function test_get_style_variations_returns_all_variations() {
 			$actual_settings
 		);
 	}
+
+	public function test_theme_shadow_presets_do_not_override_default_shadow_presets() {
+		switch_theme( 'block-theme' );
+
+		$theme_json_resolver = new WP_Theme_JSON_Resolver_Gutenberg();
+		$theme_json          = $theme_json_resolver->get_merged_data();
+		$actual_settings     = $theme_json->get_settings()['shadow']['presets'];
+
+		$expected_settings = array(
+			'default' => array(
+				array(
+					'name'   => 'Natural',
+					'shadow' => '6px 6px 9px rgba(0, 0, 0, 0.2)',
+					'slug'   => 'natural',
+				),
+				array(
+					'name'   => 'Deep',
+					'shadow' => '12px 12px 50px rgba(0, 0, 0, 0.4)',
+					'slug'   => 'deep',
+				),
+				array(
+					'name'   => 'Sharp',
+					'shadow' => '6px 6px 0px rgba(0, 0, 0, 0.2)',
+					'slug'   => 'sharp',
+				),
+				array(
+					'name'   => 'Outlined',
+					'shadow' => '6px 6px 0px -3px rgba(255, 255, 255, 1), 6px 6px rgba(0, 0, 0, 1)',
+					'slug'   => 'outlined',
+				),
+				array(
+					'name'   => 'Crisp',
+					'shadow' => '6px 6px 0px rgba(0, 0, 0, 1)',
+					'slug'   => 'crisp',
+				),
+			),
+			'theme'   => array(
+				array(
+					'name'   => 'Test',
+					'shadow' => '2px 2px 3px #000',
+					'slug'   => 'test',
+				),
+			),
+		);
+
+		wp_recursive_ksort( $actual_settings );
+		wp_recursive_ksort( $expected_settings );
+
+		$this->assertSame(
+			$expected_settings,
+			$actual_settings
+		);
+	}
+
+	public function test_shadow_default_presets_value_for_block_and_classic_themes() {
+		$theme_json_resolver = new WP_Theme_JSON_Resolver_Gutenberg();
+		$theme_json          = $theme_json_resolver->get_merged_data();
+
+		$default_presets_for_classic = $theme_json->get_settings()['shadow']['defaultPresets'];
+		$this->assertFalse( $default_presets_for_classic );
+
+		switch_theme( 'block-theme' );
+		$theme_json_resolver = new WP_Theme_JSON_Resolver_Gutenberg();
+		$theme_json          = $theme_json_resolver->get_merged_data();
+
+		$default_presets_for_block = $theme_json->get_settings()['shadow']['defaultPresets'];
+		$this->assertTrue( $default_presets_for_block );
+	}
 }

phpunit/data/themedir1/block-theme/theme.json

@@ -49,6 +49,20 @@
 			"padding": true,
 			"blockGap": true
 		},
+		"shadow": {
+			"presets": [
+				{
+					"name": "Natural",
+					"slug": "natural",
+					"shadow": "2px 2px 3px #000"
+				},
+				{
+					"name": "Test",
+					"slug": "test",
+					"shadow": "2px 2px 3px #000"
+				}
+			]
+		},
 		"blocks": {
 			"core/paragraph": {
 				"color": {