Add Automated Tests for custom logo support

[36698] introduced custom logos, this tests the API. 

Fixes #36086. See #33755.
Props obenland.



git-svn-id: https://develop.svn.wordpress.org/trunk@36905 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/general/template.php

@@ -11,6 +11,9 @@ class Tests_General_Template extends WP_UnitTestCase {
 	public $site_icon_id;
 	public $site_icon_url;
 
+	public $custom_logo_id;
+	public $custom_logo_url;
+
 	function setUp() {
 		parent::setUp();
 
@@ -18,6 +21,12 @@ class Tests_General_Template extends WP_UnitTestCase {
 		$this->wp_site_icon = $GLOBALS['wp_site_icon'];
 	}
 
+	function tearDown() {
+		$this->_remove_custom_logo();
+
+		parent::tearDown();
+	}
+
 	/**
 	 * @group site_icon
 	 */
@@ -192,4 +201,88 @@ class Tests_General_Template extends WP_UnitTestCase {
 		$this->site_icon_id = $this->_make_attachment( $upload );
 		return $this->site_icon_id;
 	}
+
+	/**
+	 * @group custom_logo
+	 *
+	 * @since 4.5.0
+	 */
+	function test_has_custom_logo() {
+		$this->assertFalse( has_custom_logo() );
+
+		$this->_set_custom_logo();
+		$this->assertTrue( has_custom_logo() );
+
+		$this->_remove_custom_logo();
+		$this->assertFalse( has_custom_logo() );
+	}
+
+	/**
+	 * @group custom_logo
+	 *
+	 * @since 4.5.0
+	 */
+	function test_get_custom_logo() {
+		$this->assertEmpty( get_custom_logo() );
+
+		$this->_set_custom_logo();
+		$custom_logo = get_custom_logo();
+		$this->assertNotEmpty( $custom_logo );
+		$this->assertInternalType( 'string', $custom_logo );
+
+		$this->_remove_custom_logo();
+		$this->assertEmpty( get_custom_logo() );
+	}
+
+	/**
+	 * @group custom_logo
+	 *
+	 * @since 4.5.0
+	 */
+	function test_the_custom_logo() {
+		$this->expectOutputString( '' );
+		the_custom_logo();
+
+		$this->_set_custom_logo();
+		$this->expectOutputString( '<a href="http://example.org/" class="custom-logo-link" rel="home" itemprop="url"><img width="50" height="50" src="' . $this->custom_logo_url . '" class="custom-logo attachment-" alt="' . basename( $this->custom_logo_url ) . '" data-size="" itemprop="logo" /></a>' );
+		the_custom_logo();
+	}
+
+	/**
+	 * Sets a site icon in options for testing.
+	 *
+	 * @since 4.5.0
+	 */
+	function _set_custom_logo() {
+		if ( ! $this->custom_logo_id ) {
+			$this->_insert_custom_logo();
+		}
+
+		set_theme_mod( 'custom_logo', $this->custom_logo_id );
+	}
+
+	/**
+	 * Removes the site icon from options.
+	 *
+	 * @since 4.5.0
+	 */
+	function _remove_custom_logo() {
+		remove_theme_mod( 'custom_logo' );
+	}
+
+	/**
+	 * Inserts an attachment for testing custom logos.
+	 *
+	 * @since 4.5.0
+	 */
+	function _insert_custom_logo() {
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+		$upload   = wp_upload_bits( basename( $filename ), null, $contents );
+
+		// Save the data.
+		$this->custom_logo_url = $upload['url'];
+		$this->custom_logo_id  = $this->_make_attachment( $upload );
+		return $this->custom_logo_id;
+	}
 }

tests/phpunit/tests/image/custom_logo.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Tests for the WP_Custom_logo class.
+ *
+ * @group custom_logo
+ */
+class Tests_WP_Custom_Logo extends WP_UnitTestCase {
+	public $attachment_id = 0;
+
+	function setUp() {
+		parent::setUp();
+
+		require_once ABSPATH . 'wp-admin/includes/class-wp-custom-logo.php';
+	}
+
+	function tearDown() {
+		$this->custom_logo = null;
+		$this->remove_added_uploads();
+		parent::tearDown();
+	}
+
+	function test_delete_attachment_data() {
+		$attachment_id = $this->_insert_attachment();
+		set_theme_mod( 'custom_logo', $attachment_id );
+
+		wp_delete_attachment( $attachment_id, true );
+
+		$this->assertFalse( get_theme_mod( 'custom_logo' ) );
+	}
+
+	function _insert_attachment() {
+		if ( $this->attachment_id ) {
+			return $this->attachment_id;
+		}
+
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+
+		$this->attachment_id = $this->_make_attachment( $upload );
+		return $this->attachment_id;
+	}
+}