Add tests for server timing admin UI.

felixarntz · Aug 9, 2023 · Jul 18, 2023 · Jul 21, 2023 · Jul 21, 2023 · Jul 21, 2023
commit 6db1e85c4e7fc2af233ab4871b9126af8e2fb31f
diff --git a/tests/admin/load-tests.php b/tests/admin/load-tests.php
@@ -5,6 +5,9 @@
  * @package performance-lab
  */
 
+/**
+ * @group admin
+ */
 class Admin_Load_Tests extends WP_UnitTestCase {
 
 	private static $demo_modules = array(

diff --git a/tests/admin/server-timing-tests.php b/tests/admin/server-timing-tests.php
@@ -0,0 +1,109 @@
+<?php
+/**
+ * Tests for admin/server-timing.php
+ *
+ * @package performance-lab
+ */
+
+/**
+ * @group admin
+ * @group server-timing
+ */
+class Admin_Server_Timing_Tests extends WP_UnitTestCase {
+
+	public function test_perflab_add_server_timing_page() {
+		global $_wp_submenu_nopriv;
+
+		// Reset relevant globals and filters.
+		$_wp_submenu_nopriv = array();
+		remove_all_filters( 'plugin_action_links_' . plugin_basename( PERFLAB_MAIN_FILE ) );
+
+		// Rely on current user to be an administrator (with 'manage_options' capability).
+		$user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		wp_set_current_user( $user_id );
+		$hook_suffix = perflab_add_server_timing_page();
+		$this->assertSame( get_plugin_page_hookname( PERFLAB_SERVER_TIMING_SCREEN, 'tools.php' ), $hook_suffix );
+		$this->assertFalse( isset( $_wp_submenu_nopriv['tools.php'][ PERFLAB_SERVER_TIMING_SCREEN ] ) );
+	}
+
+	public function test_perflab_add_server_timing_page_missing_caps() {
+		global $_wp_submenu_nopriv;
+
+		// Reset relevant globals and filters.
+		$_wp_submenu_nopriv = array();
+		remove_all_filters( 'plugin_action_links_' . plugin_basename( PERFLAB_MAIN_FILE ) );
+
+		// The default user does not have the 'manage_options' capability.
+		$hook_suffix = perflab_add_server_timing_page();
+		$this->assertFalse( $hook_suffix );
+		$this->assertTrue( isset( $_wp_submenu_nopriv['tools.php'][ PERFLAB_SERVER_TIMING_SCREEN ] ) );
+	}
+
+	public function test_perflab_load_server_timing_page() {
+		global $wp_settings_sections, $wp_settings_fields;
+
+		// Reset relevant globals.
+		$wp_settings_sections = array();
+		$wp_settings_fields   = array();
+
+		perflab_load_server_timing_page();
+		$this->assertArrayHasKey( PERFLAB_SERVER_TIMING_SCREEN, $wp_settings_sections );
+		$this->assertEqualSets(
+			array( 'benchmarking' ),
+			array_keys( $wp_settings_sections[ PERFLAB_SERVER_TIMING_SCREEN ] )
+		);
+		$this->assertEqualSets(
+			array( 'benchmarking' ),
+			array_keys( $wp_settings_fields[ PERFLAB_SERVER_TIMING_SCREEN ] )
+		);
+		$this->assertEqualSets(
+			array( 'benchmarking_actions', 'benchmarking_filters' ),
+			array_keys( $wp_settings_fields[ PERFLAB_SERVER_TIMING_SCREEN ]['benchmarking'] )
+		);
+	}
+
+	public function test_perflab_render_server_timing_page() {
+		ob_start();
+		perflab_render_server_timing_page();
+		$output = ob_get_clean();
+
+		$this->assertStringContainsString( '<div class="wrap">', $output );
+		$this->assertStringContainsString( "<input type='hidden' name='option_page' value='" . PERFLAB_SERVER_TIMING_SCREEN . "' />", $output );
+	}
+
+	public function test_perflab_render_server_timing_page_field() {
+		$slug = 'benchmarking_actions';
+
+		ob_start();
+		perflab_render_server_timing_page_field( $slug );
+		$output = ob_get_clean();
+
+		$this->assertStringContainsString( '<textarea', $output );
+		$this->assertStringContainsString( 'id="server_timing_' . $slug . '"', $output );
+		$this->assertStringContainsString( 'name="' . PERFLAB_SERVER_TIMING_SETTING . '[' . $slug . ']"', $output );
+	}
+
+	public function test_perflab_render_server_timing_page_field_empty_option() {
+		delete_option( PERFLAB_SERVER_TIMING_SETTING );
+
+		ob_start();
+		perflab_render_server_timing_page_field( 'benchmarking_actions' );
+		$output = ob_get_clean();
+
+		$this->assertStringContainsString( '></textarea>', $output );
+	}
+
+	public function test_perflab_render_server_timing_page_field_populated_option() {
+		update_option(
+			PERFLAB_SERVER_TIMING_SETTING,
+			array( 'benchmarking_actions' => array( 'init', 'wp_loaded' ) )
+		);
+
+		ob_start();
+		perflab_render_server_timing_page_field( 'benchmarking_actions' );
+		$output = ob_get_clean();
+
+		// Array is formatted/imploded as strings, one per line.
+		$this->assertStringContainsString( ">init\nwp_loaded</textarea>", $output );
+	}
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
@@ -43,6 +43,7 @@
 	'plugins_loaded',
 	static function() {
 		require_once TESTS_PLUGIN_DIR . '/admin/load.php';
+		require_once TESTS_PLUGIN_DIR . '/admin/server-timing.php';
 		$module_files = glob( TESTS_PLUGIN_DIR . '/modules/*/*/load.php' );
 		if ( $module_files ) {
 			foreach ( $module_files as $module_file ) {