65237 ajax actions wp ajax fetch list

tests/phpunit/tests/admin/includes/ajax-actions/wpAjaxFetchList.php

@@ -0,0 +1,178 @@
+<?php
+
+/**
+ * Admin Ajax functions to be tested.
+ */
+require_once ABSPATH . 'wp-admin/includes/ajax-actions.php';
+
+/**
+ * Testing wp_ajax_fetch_list() functionality.
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 3.1.0
+ *
+ * @group ajax
+ *
+ * @covers ::wp_ajax_fetch_list
+ */
+class Tests_Ajax_wpAjaxFetchList extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * Tests fetching a list table via AJAX.
+	 *
+	 * @ticket 65237
+	 */
+	public function test_wp_ajax_fetch_list(): void {
+		// Become an administrator.
+		$this->_setRole( 'administrator' );
+
+		// Set up the $_GET request.
+		$list_class = 'WP_Posts_List_Table';
+
+		$_GET = array(
+			'list_args'  => array(
+				'class'  => $list_class,
+				'screen' => array(
+					'id' => 'edit-post',
+				),
+			),
+			'_ajax_fetch_list_nonce' => wp_create_nonce( "fetch-list-$list_class" ),
+		);
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'fetch-list' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			// Expected exception.
+			unset( $e );
+		} catch ( WPAjaxDieStopException $e ) {
+			// Expected exception.
+			unset( $e );
+		} catch ( Exception $e ) {
+			$this->fail( 'Unexpected exception: ' . $e->getMessage() );
+		}
+
+		if ( empty( $this->_last_response ) ) {
+			$this->fail( 'Ajax response was empty' );
+		}
+
+		$response = json_decode( $this->_last_response, true );
+
+		$this->assertIsArray( $response );
+		$this->assertArrayHasKey( 'rows', $response );
+		$this->assertStringContainsString( 'No posts found.', $response['rows'] );
+	}
+
+	/**
+	 * Tests fetching a list table with items.
+	 *
+	 * @ticket 65237
+	 */
+	public function test_wp_ajax_fetch_list_with_items(): void {
+		$this->_setRole( 'administrator' );
+
+		// Create a post.
+		self::factory()->post->create( array( 'post_title' => 'Test Post' ) );
+
+		$list_class = 'WP_Posts_List_Table';
+
+		$_GET = array(
+			'list_args'  => array(
+				'class'  => $list_class,
+				'screen' => array(
+					'id' => 'edit-post',
+				),
+			),
+			'_ajax_fetch_list_nonce' => wp_create_nonce( "fetch-list-$list_class" ),
+		);
+
+		try {
+			$this->_handleAjax( 'fetch-list' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		} catch ( WPAjaxDieStopException $e ) {
+			unset( $e );
+		}
+
+		$response = json_decode( $this->_last_response, true );
+
+		$this->assertIsArray( $response );
+		$this->assertArrayHasKey( 'rows', $response );
+		$this->assertStringContainsString( 'Test Post', $response['rows'] );
+		$this->assertSame( '1 item', $response['total_items_i18n'] );
+	}
+
+	/**
+	 * Tests fetching a list table with an invalid nonce.
+	 *
+	 * @ticket 65237
+	 */
+	public function test_wp_ajax_fetch_list_invalid_nonce(): void {
+		$this->_setRole( 'administrator' );
+
+		$list_class = 'WP_Posts_List_Table';
+
+		$_GET = array(
+			'list_args' => array(
+				'class' => $list_class,
+			),
+			'_ajax_fetch_list_nonce' => 'invalid-nonce',
+		);
+
+		$this->expectException( 'WPAjaxDieStopException' );
+		$this->expectExceptionMessage( '-1' );
+
+		$this->_handleAjax( 'fetch-list' );
+	}
+
+	/**
+	 * Tests fetching a list table with an invalid class.
+	 *
+	 * @ticket 65237
+	 */
+	public function test_wp_ajax_fetch_list_invalid_class(): void {
+		$this->_setRole( 'administrator' );
+
+		$list_class = 'Invalid_List_Table';
+
+		$_GET = array(
+			'list_args' => array(
+				'class' => $list_class,
+			),
+			'_ajax_fetch_list_nonce' => wp_create_nonce( "fetch-list-$list_class" ),
+		);
+
+		$this->expectException( 'WPAjaxDieStopException' );
+		$this->expectExceptionMessage( '0' );
+
+		$this->_handleAjax( 'fetch-list' );
+	}
+
+	/**
+	 * Tests fetching a list table as an unprivileged user.
+	 *
+	 * @ticket 65237
+	 */
+	public function test_wp_ajax_fetch_list_unprivileged_user(): void {
+		// Become a subscriber.
+		$this->_setRole( 'subscriber' );
+
+		$list_class = 'WP_Posts_List_Table';
+
+		$_GET = array(
+			'list_args'  => array(
+				'class'  => $list_class,
+				'screen' => array(
+					'id' => 'edit-post',
+				),
+			),
+			'_ajax_fetch_list_nonce' => wp_create_nonce( "fetch-list-$list_class" ),
+		);
+
+		$this->expectException( 'WPAjaxDieStopException' );
+		$this->expectExceptionMessage( '-1' );
+
+		$this->_handleAjax( 'fetch-list' );
+	}
+}