tests: added unit tests to News_SEO integration class

and fix php cs

src/editors/framework/integrations/news-seo.php

@@ -19,7 +19,7 @@ class News_SEO implements Integration_Data_Provider_Interface {
 
 	/**
 	 * The constructor.
-	 * 
+	 *
 	 * @param WPSEO_Addon_Manager $addon_manager The addon manager.
 	 */
 	public function __construct( WPSEO_Addon_Manager $addon_manager ) {

tests/Unit/Editors/Framework/Integrations/News_SEO_Test.php

@@ -0,0 +1,95 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\Unit\Editors\Framework\Integrations;
+
+use Brain\Monkey;
+use Mockery;
+use WPSEO_Addon_Manager;
+use Yoast\WP\SEO\Editors\Framework\Integrations\News_SEO;
+use Yoast\WP\SEO\Tests\Unit\TestCase;
+
+/**
+ * Class News_SEO_Test
+ *
+ * @group editors
+ *
+ * @covers \Yoast\WP\SEO\Editors\Framework\Integrations\News_SEO
+ */
+final class News_SEO_Test extends TestCase {
+
+	/**
+	 * Holds the WPSEO_Addon_Manager mock.
+	 *
+	 * @var Mockery\MockInterface|WPSEO_Addon_Manager
+	 */
+	protected $addon_manager;
+
+	/**
+	 * The News_SEO feature.
+	 *
+	 * @var News_SEO
+	 */
+	private $instance;
+
+	/**
+	 * Set up the test.
+	 *
+	 * @return void
+	 */
+	protected function set_up() {
+		parent::set_up();
+		$this->addon_manager = Mockery::mock( WPSEO_Addon_Manager::class );
+		$this->instance      = new News_SEO( $this->addon_manager );
+	}
+
+	/**
+	 * Tests the is_enabled method.
+	 *
+	 * @dataProvider data_provider_is_enabled
+	 *
+	 * @param bool $news_seo_enabled If the news plugin is enabled.
+	 * @param bool $expected         The expected outcome.
+	 *
+	 * @return void
+	 */
+	public function test_is_enabled(
+		bool $news_seo_enabled,
+		bool $expected
+	) {
+
+		$this->addon_manager
+			->expects( 'get_plugin_file' )
+			->times( 3 )
+			->with( 'yoast-seo-news' )
+			->andReturn( 'wpseo-news/wpseo-news.php' );
+
+		Monkey\Functions\expect( 'is_plugin_active' )
+			->times( 3 )
+			->with( 'wpseo-news/wpseo-news.php' )
+			->andReturn( $news_seo_enabled );
+
+		$is_woo_seo_active = $this->instance->is_enabled();
+
+		$this->assertSame( $expected, $is_woo_seo_active );
+		$this->assertSame( [ 'isNewsSeoActive' => $is_woo_seo_active ], $this->instance->to_legacy_array() );
+		$this->assertSame( [ 'isNewsSeoActive' => $is_woo_seo_active ], $this->instance->to_array() );
+	}
+
+	/**
+	 * Data provider for test_is_enabled.
+	 *
+	 * @return array<array<string,bool>>
+	 */
+	public static function data_provider_is_enabled() {
+		return [
+			'Enabled' => [
+				'news_seo_enabled' => true,
+				'expected'         => true,
+			],
+			'Disabled' => [
+				'news_seo_enabled' => false,
+				'expected'         => false,
+			],
+		];
+	}
+}