Tests: Add unit tests for _wp_privacy_settings_filter_draft_page_titles().

Follow-up to [43376].

Props pbearne.
Fixes #65202.

git-svn-id: https://develop.svn.wordpress.org/trunk@62345 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

tests/phpunit/tests/admin/includes/misc/WpPrivacySettingsFilterDraftPageTitles_Test.php

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * @group admin
+ * @group privacy
+ *
+ * @covers ::_wp_privacy_settings_filter_draft_page_titles
+ */
+class Tests_Admin_Includes_Misc_WpPrivacySettingsFilterDraftPageTitles_Test extends WP_UnitTestCase {
+
+	/**
+	 * Tests that _wp_privacy_settings_filter_draft_page_titles() appends '(Draft)' when appropriate.
+	 *
+	 * @ticket 65202
+	 *
+	 * @dataProvider data_wp_privacy_settings_filter_draft_page_titles
+	 *
+	 * @param string $expected    The expected title.
+	 * @param string $title       The input title.
+	 * @param string $post_status The post status.
+	 * @param string $screen_id   The current screen ID.
+	 */
+	public function test_wp_privacy_settings_filter_draft_page_titles( $expected, $title, $post_status, $screen_id ) {
+		set_current_screen( $screen_id );
+
+		$page = self::factory()->post->create_and_get( array( 'post_status' => $post_status ) );
+
+		$actual = _wp_privacy_settings_filter_draft_page_titles( $title, $page );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Data provider for test_wp_privacy_settings_filter_draft_page_titles().
+	 *
+	 * @return array<string, array{
+	 *     expected:    string,
+	 *     title:       string,
+	 *     post_status: string,
+	 *     screen_id:   string,
+	 * }>
+	 */
+	public function data_wp_privacy_settings_filter_draft_page_titles(): array {
+		return array(
+			'draft page on privacy screen'   => array(
+				'expected'    => 'Privacy Policy (Draft)',
+				'title'       => 'Privacy Policy',
+				'post_status' => 'draft',
+				'screen_id'   => 'privacy',
+			),
+			'published page on privacy screen' => array(
+				'expected'    => 'Privacy Policy',
+				'title'       => 'Privacy Policy',
+				'post_status' => 'publish',
+				'screen_id'   => 'privacy',
+			),
+			'draft page on other screen'     => array(
+				'expected'    => 'About Us',
+				'title'       => 'About Us',
+				'post_status' => 'draft',
+				'screen_id'   => 'edit-page',
+			),
+			'pending page on privacy screen' => array(
+				'expected'    => 'Privacy Policy',
+				'title'       => 'Privacy Policy',
+				'post_status' => 'pending',
+				'screen_id'   => 'privacy',
+			),
+		);
+	}
+}