diff --git a/tests/CbtThemeLocale/escapeTextContentOfBlocks.php b/tests/CbtThemeLocale/escapeTextContentOfBlocks.php
new file mode 100644
index 00000000..e8caf151
--- /dev/null
+++ b/tests/CbtThemeLocale/escapeTextContentOfBlocks.php
@@ -0,0 +1,195 @@
+<?php
+
+require_once __DIR__ . '/base.php';
+
+/**
+ * Tests for the CBT_Theme_Locale::escape_text_content_of_blocks method.
+ *
+ * @package Create_Block_Theme
+ * @covers CBT_Theme_Locale::escape_text_content_of_blocks
+ * @group locale
+ */
+class CBT_Theme_Locale_EscapeTextContentOfBlocks extends CBT_Theme_Locale_UnitTestCase {
+
+	/**
+	 * @dataProvider data_test_escape_text_content_of_blocks
+	 */
+	public function test_escape_text_content_of_blocks( $block_markup, $expected_markup ) {
+		// Parse the block markup.
+		$blocks = parse_blocks( $block_markup );
+		// Escape the text content of the blocks.
+		$escaped_blocks = CBT_Theme_Locale::escape_text_content_of_blocks( $blocks );
+		// Serialize the blocks to get the markup.
+		$escaped_markup = serialize_blocks( $escaped_blocks );
+
+		$this->assertEquals( $expected_markup, $escaped_markup, 'The markup result is not as the expected one.' );
+	}
+
+	public function data_test_escape_text_content_of_blocks() {
+		return array(
+
+			'paragraph'                  => array(
+				'block_markup'    => '<!-- wp:paragraph {"align":"center"} --><p class="has-text-align-center">This is a test text.</p><!-- /wp:paragraph -->',
+				'expected_markup' => '<!-- wp:paragraph {"align":"center"} --><p class="has-text-align-center"><?php echo __( \'This is a test text.\', \'test-locale-theme\' ); ?></p><!-- /wp:paragraph -->',
+			),
+
+			'paragraph on nested groups' => array(
+				'block_markup'    =>
+					'<!-- wp:group {"align":"full","style":{"spacing":{"padding":{"top":"var:preset|spacing|50","bottom":"var:preset|spacing|50","left":"var:preset|spacing|50","right":"var:preset|spacing|50"}}},"layout":{"type":"constrained","contentSize":"","wideSize":""}} -->
+                    <div class="wp-block-group alignfull" style="padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)"><!-- wp:group {"style":{"spacing":{"blockGap":"0px"}},"layout":{"type":"constrained","contentSize":"565px"}} -->
+                    <div class="wp-block-group"><!-- wp:paragraph {"align":"center"} -->
+                    <p class="has-text-align-center">This is a test text.</p>
+                    <!-- /wp:paragraph --></div>
+                    <!-- /wp:group --></div>
+                    <!-- /wp:group -->',
+				'expected_markup' =>
+					'<!-- wp:group {"align":"full","style":{"spacing":{"padding":{"top":"var:preset|spacing|50","bottom":"var:preset|spacing|50","left":"var:preset|spacing|50","right":"var:preset|spacing|50"}}},"layout":{"type":"constrained","contentSize":"","wideSize":""}} -->
+                    <div class="wp-block-group alignfull" style="padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)"><!-- wp:group {"style":{"spacing":{"blockGap":"0px"}},"layout":{"type":"constrained","contentSize":"565px"}} -->
+                    <div class="wp-block-group"><!-- wp:paragraph {"align":"center"} -->
+                    <p class="has-text-align-center"><?php echo __( \'This is a test text.\', \'test-locale-theme\' ); ?></p>
+                    <!-- /wp:paragraph --></div>
+                    <!-- /wp:group --></div>
+                    <!-- /wp:group -->',
+			),
+
+			'heading 1'                  => array(
+				'block_markup'    =>
+					'<!-- wp:heading {"textAlign":"center","className":"is-style-asterisk"} -->
+                    <h1 class="wp-block-heading has-text-align-center is-style-asterisk">A passion for creating spaces</h1>
+                    <!-- /wp:heading -->',
+				'expected_markup' =>
+					'<!-- wp:heading {"textAlign":"center","className":"is-style-asterisk"} -->
+                    <h1 class="wp-block-heading has-text-align-center is-style-asterisk"><?php echo __( \'A passion for creating spaces\', \'test-locale-theme\' ); ?></h1>
+                    <!-- /wp:heading -->',
+			),
+
+			'heading 2'                  => array(
+				'block_markup'    =>
+					'<!-- wp:heading {"textAlign":"center","className":"is-style-asterisk"} -->
+                    <h2 class="wp-block-heading has-text-align-center is-style-asterisk">A passion for creating spaces</h2>
+                    <!-- /wp:heading -->',
+				'expected_markup' =>
+					'<!-- wp:heading {"textAlign":"center","className":"is-style-asterisk"} -->
+                    <h2 class="wp-block-heading has-text-align-center is-style-asterisk"><?php echo __( \'A passion for creating spaces\', \'test-locale-theme\' ); ?></h2>
+                    <!-- /wp:heading -->',
+			),
+
+			'list item'                  => array(
+				'block_markup'    =>
+					'<!-- wp:list {"style":{"typography":{"lineHeight":"1.75"}},"className":"is-style-checkmark-list"} -->
+                    <ul style="line-height:1.75" class="is-style-checkmark-list"><!-- wp:list-item -->
+                    <li>Collaborate with fellow architects.</li>
+                    <!-- /wp:list-item -->
+                    <!-- wp:list-item -->
+                    <li>Showcase your projects.</li>
+                    <!-- /wp:list-item -->
+                    <!-- wp:list-item -->
+                    <li>Experience the world of architecture.</li>
+                    <!-- /wp:list-item --></ul>
+                    <!-- /wp:list -->',
+				'expected_markup' =>
+					'<!-- wp:list {"style":{"typography":{"lineHeight":"1.75"}},"className":"is-style-checkmark-list"} -->
+                    <ul style="line-height:1.75" class="is-style-checkmark-list"><!-- wp:list-item -->
+                    <li><?php echo __( \'Collaborate with fellow architects.\', \'test-locale-theme\' ); ?></li>
+                    <!-- /wp:list-item -->
+                    <!-- wp:list-item -->
+                    <li><?php echo __( \'Showcase your projects.\', \'test-locale-theme\' ); ?></li>
+                    <!-- /wp:list-item -->
+                    <!-- wp:list-item -->
+                    <li><?php echo __( \'Experience the world of architecture.\', \'test-locale-theme\' ); ?></li>
+                    <!-- /wp:list-item --></ul>
+                    <!-- /wp:list -->',
+			),
+
+			'verse'                      => array(
+				'block_markup'    =>
+					'<!-- wp:verse {"style":{"layout":{"selfStretch":"fit","flexSize":null}}} -->
+                    <pre class="wp-block-verse">Ya somos el olvido que seremos.<br>El polvo elemental que nos ignora<br>y que fue el rojo Adán y que es ahora<br>todos los hombres, y que no veremos.</pre>
+                    <!-- /wp:verse -->',
+				'expected_markup' =>
+					'<!-- wp:verse {"style":{"layout":{"selfStretch":"fit","flexSize":null}}} -->
+                    <pre class="wp-block-verse"><?php echo __( \'Ya somos el olvido que seremos.<br>El polvo elemental que nos ignora<br>y que fue el rojo Adán y que es ahora<br>todos los hombres, y que no veremos.\', \'test-locale-theme\' ); ?></pre>
+                    <!-- /wp:verse -->',
+			),
+
+			'button'                     => array(
+				'block_markup'    =>
+					'<!-- wp:button -->
+                    <div class="wp-block-button"><a class="wp-block-button__link wp-element-button">Sign up</a></div>
+                    <!-- /wp:button -->',
+				'expected_markup' =>
+					'<!-- wp:button -->
+                    <div class="wp-block-button"><a class="wp-block-button__link wp-element-button"><?php echo __( \'Sign up\', \'test-locale-theme\' ); ?></a></div>
+                    <!-- /wp:button -->',
+			),
+
+			'image'                      => array(
+				'block_markup'    =>
+					'<!-- wp:image {"sizeSlug":"large","linkDestination":"none","className":"is-style-rounded"} -->
+                    <figure class="wp-block-image size-large is-style-rounded"><img src="http://localhost/wp1/wp-content/themes/twentytwentyfour/assets/images/windows.webp" alt="Windows of a building in Nuremberg, Germany"/></figure>
+                    <!-- /wp:image -->',
+				'expected_markup' =>
+					'<!-- wp:image {"sizeSlug":"large","linkDestination":"none","className":"is-style-rounded"} -->
+                    <figure class="wp-block-image size-large is-style-rounded"><img src="http://localhost/wp1/wp-content/themes/twentytwentyfour/assets/images/windows.webp" alt="<?php echo __( \'Windows of a building in Nuremberg, Germany\', \'test-locale-theme\' ); ?>"/></figure>
+                    <!-- /wp:image -->',
+			),
+
+			'cover'                      => array(
+				'block_markup'    =>
+					'<!-- wp:cover {"url":"http://localhost/wp1/wp-content/uploads/2024/05/image.jpeg","id":39,"dimRatio":50,"customOverlayColor":"#1d2b2f","layout":{"type":"constrained"}} -->
+                    <div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="background-color:#1d2b2f"></span><img class="wp-block-cover__image-background wp-image-39" alt="" src="http://localhost/wp1/wp-content/uploads/2024/05/image.jpeg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+                    <p class="has-text-align-center has-large-font-size">This is a cover caption</p>
+                    <!-- /wp:paragraph --></div></div>
+                    <!-- /wp:cover -->',
+				'expected_markup' =>
+					'<!-- wp:cover {"url":"http://localhost/wp1/wp-content/uploads/2024/05/image.jpeg","id":39,"dimRatio":50,"customOverlayColor":"#1d2b2f","layout":{"type":"constrained"}} -->
+                    <div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="background-color:#1d2b2f"></span><img class="wp-block-cover__image-background wp-image-39" alt="" src="http://localhost/wp1/wp-content/uploads/2024/05/image.jpeg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+                    <p class="has-text-align-center has-large-font-size"><?php echo __( \'This is a cover caption\', \'test-locale-theme\' ); ?></p>
+                    <!-- /wp:paragraph --></div></div>
+                    <!-- /wp:cover -->',
+			),
+
+			'media-text'                 => array(
+				'block_markup'    =>
+					'<!-- wp:media-text {"mediaId":39,"mediaLink":"http://localhost/wp1/image/","mediaType":"image"} -->
+                    <div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img src="http://localhost/wp1/wp-content/uploads/2024/05/image.jpeg" alt="" class="wp-image-39 size-full"/></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"Content…"} -->
+                    <p>Media text content test.</p>
+                    <!-- /wp:paragraph --></div></div>
+                    <!-- /wp:media-text -->',
+				'expected_markup' =>
+					'<!-- wp:media-text {"mediaId":39,"mediaLink":"http://localhost/wp1/image/","mediaType":"image"} -->
+                    <div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img src="http://localhost/wp1/wp-content/uploads/2024/05/image.jpeg" alt="" class="wp-image-39 size-full"/></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"Content…"} -->
+                    <p><?php echo __( \'Media text content test.\', \'test-locale-theme\' ); ?></p>
+                    <!-- /wp:paragraph --></div></div>
+                    <!-- /wp:media-text -->',
+			),
+
+			'pullquote'                  => array(
+				'block_markup'    =>
+					'<!-- wp:pullquote -->
+                    <figure class="wp-block-pullquote"><blockquote><p>Yo me equivoqué y pagué, pero la pelota no se mancha.</p><cite>Diego Armando Maradona</cite></blockquote></figure>
+                    <!-- /wp:pullquote -->',
+				'expected_markup' =>
+					'<!-- wp:pullquote -->
+                    <figure class="wp-block-pullquote"><blockquote><p><?php echo __( \'Yo me equivoqué y pagué, pero la pelota no se mancha.\', \'test-locale-theme\' ); ?></p><cite><?php echo __( \'Diego Armando Maradona\', \'test-locale-theme\' ); ?></cite></blockquote></figure>
+                    <!-- /wp:pullquote -->',
+			),
+
+			'table'                      => array(
+				'block_markup'    =>
+					'<!-- wp:table -->
+                    <figure class="wp-block-table"><table><tbody><tr><td>Team</td><td>Points</td></tr><tr><td>Boca</td><td>74</td></tr><tr><td>River</td><td>2</td></tr></tbody></table><figcaption class="wp-element-caption">Score table</figcaption></figure>
+                    <!-- /wp:table -->',
+				'expected_markup' =>
+					'<!-- wp:table -->
+                    <figure class="wp-block-table"><table><tbody><tr><td><?php echo __( \'Team\', \'test-locale-theme\' ); ?></td><td><?php echo __( \'Points\', \'test-locale-theme\' ); ?></td></tr><tr><td><?php echo __( \'Boca\', \'test-locale-theme\' ); ?></td><td><?php echo __( \'74\', \'test-locale-theme\' ); ?></td></tr><tr><td><?php echo __( \'River\', \'test-locale-theme\' ); ?></td><td><?php echo __( \'2\', \'test-locale-theme\' ); ?></td></tr></tbody></table><figcaption class="wp-element-caption"><?php echo __( \'Score table\', \'test-locale-theme\' ); ?></figcaption></figure>
+                    <!-- /wp:table -->',
+			),
+
+		);
+	}
+}
+
+
+
+