Add tests for hooks being added

Author: westonruter

plugins/image-prioritizer/tests/test-hooks.php

@@ -0,0 +1,18 @@
+<?php
+/**
+ * Tests for image-prioritizer plugin hooks.php.
+ *
+ * @package image-prioritizer
+ */
+
+class Test_Image_Prioritizer_Hooks extends WP_UnitTestCase {
+
+	/**
+	 * Make sure the hooks are added in hooks.php.
+	 */
+	public function test_hooks_added(): void {
+		$this->assertEquals( 10, has_action( 'od_init', 'image_prioritizer_init' ) );
+		$this->assertEquals( 10, has_filter( 'od_extension_module_urls', 'image_prioritizer_filter_extension_module_urls' ) );
+		$this->assertEquals( 10, has_filter( 'od_url_metric_schema_root_additional_properties', 'image_prioritizer_add_element_item_schema_properties' ) );
+	}
+}