Add active plugin list to compatibility service

changelog/add-server-3942-compatibility-service-include-active-plugins

@@ -0,0 +1,4 @@
+Significance: minor
+Type: add
+
+Add active plugins array to compatibility data.

includes/class-compatibility-service.php

@@ -47,11 +47,14 @@ public function init_hooks() {
 	 * @return void
 	 */
 	public function update_compatibility_data() {
+		$active_plugins = get_option( 'active_plugins' );
+
 		try {
 			$this->payments_api_client->update_compatibility_data(
 				[
 					'woopayments_version' => WCPAY_VERSION_NUMBER,
 					'woocommerce_version' => WC_VERSION,
+					'active_plugins'      => $active_plugins,
 				]
 			);
 		} catch ( API_Exception $e ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch

tests/unit/test-class-compatibility-service.php

@@ -47,15 +47,30 @@ public function test_update_compatibility_data() {
 		$expected = [
 			'woopayments_version' => WCPAY_VERSION_NUMBER,
 			'woocommerce_version' => WC_VERSION,
+			'active_plugins'      => [
+				'woocommerce/woocommerce.php',
+				'woocommerce-payments/woocommerce-payments.php',
+			],
 		];
 
 		// Arrange/Assert: Set the expectations for update_compatibility_data.
+		add_filter( 'option_active_plugins', [ $this, 'active_plugins_filter_return' ] );
+
 		$this->mock_api_client
 			->expects( $this->once() )
 			->method( 'update_compatibility_data' )
 			->with( $expected );
 
 		// Act: Call the method we're testing.
 		$this->compatibility_service->update_compatibility_data();
+
+		remove_filter( 'option_active_plugins', [ $this, 'active_plugins_filter_return' ] );
+	}
+
+	public function active_plugins_filter_return() {
+		return [
+			'woocommerce/woocommerce.php',
+			'woocommerce-payments/woocommerce-payments.php',
+		];
 	}
 }