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Tests: Use a minimal theme for tests.

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This functionality was originally added in [38858], using `symlink()` to put a link to the theme in WordPress' `themes` directory. Unfortunately, not all installs have write access to the `themes` directory, causing unit tests to fail.

The new method is to add the test theme directory to `$wp_theme_directories`, and fix the handful of tests that don't expect `$wp_theme_directories` to have multiple entries.

The test install/bootstrap routines now also check that `WP_DEFAULT_THEME` is defined, in case the tests are being run on a system that hasn't upgraded its' `wp-tests-config.php`.

See #31550.
Fixes #38457.



git-svn-id: https://develop.svn.wordpress.org/trunk@38907 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast 2016-10-25 10:24:57 +00:00
parent 4e8410a886
commit ee65fc1f80
4 changed files with 23 additions and 21 deletions
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9
tests/phpunit/includes/bootstrap.php
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@ -16,7 +16,7 @@ $config_file_path .= '/wp-tests-config.php';
* Globalize some WordPress variables, because PHPUnit loads this file inside a function
* See: https://github.com/sebastianbergmann/phpunit/issues/325
*/
global $wpdb, $current_site, $current_blog, $wp_rewrite, $shortcode_tags, $wp, $phpmailer;
global $wpdb, $current_site, $current_blog, $wp_rewrite, $shortcode_tags, $wp, $phpmailer, $wp_theme_directories;
if ( !is_readable( $config_file_path ) ) {
die( "ERROR: wp-tests-config.php is missing! Please use wp-tests-config-sample.php to create a config file.\n" );
@ -53,8 +53,11 @@ $multisite = $multisite || ( defined( 'MULTISITE' ) && MULTISITE );
require_once( dirname( __FILE__ ) . '/mock-mailer.php' );
$phpmailer = new MockPHPMailer();
// Add a symlink to the empty default theme to the themes directory, so it can be used for the tests.
_symlink_default_theme();
// Set the theme to our special empty theme, to avoid interference from the current Twenty* theme.
if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
define( 'WP_DEFAULT_THEME', 'default' );
}
$wp_theme_directories = array( DIR_TESTDATA . '/themedir1' );
system( WP_PHP_BINARY . ' ' . escapeshellarg( dirname( __FILE__ ) . '/install.php' ) . ' ' . escapeshellarg( $config_file_path ) . ' ' . $multisite );

18
tests/phpunit/includes/functions.php
View File

@ -161,21 +161,3 @@ function _upload_dir_https( $uploads ) {
return $uploads;
}
/**
* Helper functions to link and unlink the empty default theme into the WordPress install
*/
function _symlink_default_theme() {
_unlink_default_theme();
symlink( DIR_TESTDATA . '/themedir1/default', ABSPATH . '/wp-content/themes/default' );
}
function _unlink_default_theme() {
if ( file_exists( ABSPATH . '/wp-content/themes/default' ) ) {
unlink( ABSPATH . '/wp-content/themes/default' );
}
}
// Only unlink when we're in the main process.
if ( 'phpunit' === substr( $GLOBALS['argv'][0], -7 ) ) {
register_shutdown_function( '_unlink_default_theme' );
}

6
tests/phpunit/includes/install.php
View File

@ -9,6 +9,12 @@ error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT );
$config_file_path = $argv[1];
$multisite = ! empty( $argv[2] );
// Set the theme to our special empty theme, to avoid interference from the current Twenty* theme.
if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
define( 'WP_DEFAULT_THEME', 'default' );
}
$wp_theme_directories = array( dirname( __FILE__ ) . '/../data/themedir1' );
define( 'WP_INSTALLING', true );
require_once $config_file_path;
require_once dirname( __FILE__ ) . '/functions.php';

11
tests/phpunit/tests/theme.php
View File

@ -14,16 +14,27 @@ class Tests_Theme extends WP_UnitTestCase {
);
function setUp() {
global $wp_theme_directories;
parent::setUp();
$backup_wp_theme_directories = $wp_theme_directories;
$wp_theme_directories = array( WP_CONTENT_DIR . '/themes' );
add_filter( 'extra_theme_headers', array( $this, '_theme_data_extra_headers' ) );
wp_clean_themes_cache();
unset( $GLOBALS['wp_themes'] );
}
function tearDown() {
global $wp_theme_directories;
$wp_theme_directories = $this->wp_theme_directories;
remove_filter( 'extra_theme_headers', array( $this, '_theme_data_extra_headers' ) );
wp_clean_themes_cache();
unset( $GLOBALS['wp_themes'] );
parent::tearDown();
}