Add Renderer class tests

[MAILPOET-6043]

packages/php/email-editor/src/Engine/Templates/class-templates.php

@@ -41,7 +41,7 @@ class Templates {
 	 *
 	 * @var string $template_directory
 	 */
-	private string $template_directory;
+	private string $template_directory = __DIR__ . DIRECTORY_SEPARATOR;
 	/**
 	 * The templates.
 	 *
@@ -63,8 +63,7 @@ class Templates {
 	public function __construct(
 		Utils $utils
 	) {
-		$this->utils              = $utils;
+		$this->utils = $utils;
-		$this->template_directory = __DIR__ . DIRECTORY_SEPARATOR;
 	}
 
 	/**

packages/php/email-editor/tests/integration/Engine/Renderer/Renderer_Test.php

@@ -10,6 +10,8 @@ namespace MailPoet\EmailEditor\Engine\Renderer;
 
 use MailPoet\EmailEditor\Engine\Email_Editor;
 use MailPoet\EmailEditor\Engine\Settings_Controller;
+use MailPoet\EmailEditor\Engine\Templates\Templates;
+use MailPoet\EmailEditor\Engine\Templates\Utils;
 use MailPoet\EmailEditor\Engine\Theme_Controller;
 
 /**
@@ -65,11 +67,39 @@ class Renderer_Test extends \MailPoetTest {
 		$theme_controller_mock->method( 'get_styles' )->willReturn( $styles );
 		$theme_controller_mock->method( 'get_layout_settings' )->willReturn( array( 'contentSize' => '660px' ) );
 
+		// We need to mock only the get_block_template_theme method and templates need to be initialized.
+		$templates_mock = $this->getMockBuilder( Templates::class )
+			->setConstructorArgs( array( $this->di_container->get( Utils::class ) ) )
+			->onlyMethods( array( 'get_block_template_theme' ) )
+			->getMock();
+		$templates_mock->initialize();
+
+		$templates_mock->method( 'get_block_template_theme' )->willReturn(
+			array(
+				'version' => 3,
+				'styles'  => array(
+					'elements' => array(
+						'h1'      => array(
+							'typography' => array(
+								'fontFamily' => 'lato test',
+							),
+						),
+						'heading' => array(
+							'color' => array(
+								'background' => 'pale-pink',
+							),
+						),
+					),
+				),
+			)
+		);
+
 		$this->renderer   = $this->getServiceWithOverrides(
 			Renderer::class,
 			array(
 				'settings_controller' => $settings_controller_mock,
 				'theme_controller'    => $theme_controller_mock,
+				'templates'           => $templates_mock,
 			)
 		);
 		$this->email_post = $this->tester->create_post(
@@ -152,6 +182,28 @@ class Renderer_Test extends \MailPoetTest {
 		verify( $style )->stringContainsString( 'max-width: 660px;' );
 	}
 
+	/**
+	 * Test it inlines block styles from template.
+	 */
+	public function testItRendersTemplateStyles(): void {
+		$email    = $this->tester->create_post(
+			array(
+				'post_content' => '<!-- wp:heading {"level":1} --><h1 class="wp-block-heading">Hello!</h1><!-- /wp:heading -->',
+			)
+		);
+		$rendered = $this->renderer->render(
+			$email,
+			'Subject 1',
+			'Preheader content 2',
+			'en',
+			'noindex,nofollow'
+		);
+
+		verify( $rendered['html'] )->stringContainsString( 'Subject' );
+		verify( $rendered['html'] )->stringContainsString( 'font-family: lato test;' );
+		verify( $rendered['html'] )->stringContainsString( ' background-color: pale-pink;' );
+	}
+
 	/**
 	 * Returns the value of the style attribute for the first tag that matches the query.
 	 *