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Tests: Add unit tests for wp_get_active_and_valid_themes() #14482

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Tests: Add unit tests for wp_get_active_and_valid_themes() #14482

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Tests: Add unit tests for `wp_get_active_and_valid_themes()`
shail-mehta Oct 19, 2026
e661b71
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shail-mehta Oct 19, 2026
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275 changes: 275 additions & 0 deletions tests/phpunit/tests/load/wpGetActiveAndValidThemes.php
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Original file line number Diff line number Diff line change
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<?php

/**
* Tests for wp_get_active_and_valid_themes().
*
* @group load
* @group themes
*
* @covers ::wp_get_active_and_valid_themes
*/
class Tests_Load_WpGetActiveAndValidThemes extends WP_UnitTestCase {

const TEST_SESSION_ID = 'test_active_valid_themes_session';

/**
* Original $wp_stylesheet_path global.
*
* @var mixed
*/
private $original_stylesheet_path;

/**
* Original $wp_template_path global.
*
* @var mixed
*/
private $original_template_path;

/**
* Original $pagenow global.
*
* @var mixed
*/
private $original_pagenow;

/**
* Original installing status.
*
* @var bool
*/
private $original_installing;

/**
* Original stylesheet option.
*
* @var mixed
*/
private $original_stylesheet;

/**
* Original template option.
*
* @var mixed
*/
private $original_template;

/**
* Original recovery mode is_active property.
*
* @var bool
*/
private $original_is_active;

/**
* Original recovery mode session_id property.
*
* @var string
*/
private $original_session_id;

/**
* Original $_paused_themes global.
*
* @var array|null
*/
private $original_paused_themes;

public function set_up() {
parent::set_up();

global $wp_stylesheet_path, $wp_template_path, $pagenow;

$this->original_stylesheet_path = $wp_stylesheet_path ?? null;
$this->original_template_path = $wp_template_path ?? null;
$this->original_pagenow = $pagenow ?? null;
$this->original_installing = wp_installing();
$this->original_stylesheet = get_option( 'stylesheet' );
$this->original_template = get_option( 'template' );
$this->original_is_active = $this->get_recovery_mode_property( 'is_active' );
$this->original_session_id = $this->get_recovery_mode_property( 'session_id' );
$this->original_paused_themes = $GLOBALS['_paused_themes'] ?? null;

unset( $GLOBALS['_paused_themes'] );
wp_installing( false );
}

public function tear_down() {
global $wp_stylesheet_path, $wp_template_path, $pagenow;

$wp_stylesheet_path = $this->original_stylesheet_path;
$wp_template_path = $this->original_template_path;

if ( null !== $this->original_pagenow ) {
$pagenow = $this->original_pagenow;
} else {
unset( $GLOBALS['pagenow'] );
}

wp_installing( $this->original_installing );
update_option( 'stylesheet', $this->original_stylesheet );
update_option( 'template', $this->original_template );
$this->set_recovery_mode_state( $this->original_is_active, $this->original_session_id );
delete_option( self::TEST_SESSION_ID . '_paused_extensions' );

if ( null !== $this->original_paused_themes ) {
$GLOBALS['_paused_themes'] = $this->original_paused_themes;
} else {
unset( $GLOBALS['_paused_themes'] );
}

remove_all_filters( 'wp_using_themes' );

parent::tear_down();
}

/**
* Gets a WP_Recovery_Mode property value.
*
* @param string $property Property name.
* @return mixed Property value.
*/
private function get_recovery_mode_property( $property ) {
$reflection = new ReflectionProperty( wp_recovery_mode(), $property );
if ( PHP_VERSION_ID < 80100 ) {
$reflection->setAccessible( true );
}

return $reflection->getValue( wp_recovery_mode() );
}

/**
* Sets WP_Recovery_Mode protected state.
*
* @param bool $is_active Whether recovery mode is active.
* @param string $session_id Recovery mode session ID.
*/
private function set_recovery_mode_state( $is_active, $session_id ) {
$recovery_mode = wp_recovery_mode();

$is_active_property = new ReflectionProperty( $recovery_mode, 'is_active' );
if ( PHP_VERSION_ID < 80100 ) {
$is_active_property->setAccessible( true );
}
$is_active_property->setValue( $recovery_mode, $is_active );

$session_id_property = new ReflectionProperty( $recovery_mode, 'session_id' );
if ( PHP_VERSION_ID < 80100 ) {
$session_id_property->setAccessible( true );
}
$session_id_property->setValue( $recovery_mode, $session_id );
}

/**
* @ticket 65819
*/
public function test_returns_template_path_for_parent_theme() {
global $wp_stylesheet_path, $wp_template_path;

$wp_template_path = get_theme_root() . '/twentytwentyone';
$wp_stylesheet_path = $wp_template_path;
update_option( 'template', 'twentytwentyone' );
update_option( 'stylesheet', 'twentytwentyone' );

$this->assertSame( array( $wp_template_path ), wp_get_active_and_valid_themes() );
}

/**
* @ticket 65819
*/
public function test_includes_stylesheet_path_for_child_theme() {
global $wp_stylesheet_path, $wp_template_path;
// These are not a real parent/child pair. is_child_theme() only compares the two paths.
$wp_template_path = get_theme_root() . '/twentytwentyone';
$wp_stylesheet_path = get_theme_root() . '/twentytwentyfive';

@mukeshpanchal27 mukeshpanchal27 Oct 19, 2026

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Optional: twentytwentyfive is not really a child theme of twentytwentyone. The test works because is_child_theme() only compares the two paths. A one-line comment saying that would help readers.

@shail-mehta shail-mehta Oct 19, 2026

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Added One line comment in e661b71

update_option( 'template', 'twentytwentyone' );
update_option( 'stylesheet', 'twentytwentyfive' );

$this->assertSame(
array( $wp_stylesheet_path, $wp_template_path ),
wp_get_active_and_valid_themes()
);
}

/**
* @ticket 65819
*/
public function test_returns_empty_array_while_installing() {
global $wp_template_path, $pagenow;

$wp_template_path = get_theme_root() . '/twentytwentyone';
$pagenow = 'index.php';
wp_installing( true );

$this->assertSame( array(), wp_get_active_and_valid_themes() );
}

/**
* @ticket 65819
*/
public function test_returns_themes_while_installing_on_wp_activate() {
global $wp_stylesheet_path, $wp_template_path, $pagenow;

$wp_template_path = get_theme_root() . '/twentytwentyone';
$wp_stylesheet_path = $wp_template_path;
$pagenow = 'wp-activate.php';
wp_installing( true );

$this->assertSame( array( $wp_template_path ), wp_get_active_and_valid_themes() );
}

/**
* @ticket 65819
*/
public function test_skips_paused_themes_in_recovery_mode() {
global $wp_stylesheet_path, $wp_template_path;

$wp_template_path = get_theme_root() . '/twentytwentyone';
$wp_stylesheet_path = get_theme_root() . '/twentytwentyfive';
update_option( 'template', 'twentytwentyone' );
update_option( 'stylesheet', 'twentytwentyfive' );

$this->set_recovery_mode_state( true, self::TEST_SESSION_ID );
$this->assertTrue(
wp_paused_themes()->set(
'twentytwentyfive',
array(
'type' => E_ERROR,
'file' => $wp_stylesheet_path . '/functions.php',
'line' => 1,
'message' => 'Fatal error',
)
)
);

$this->assertSame( array( 1 => $wp_template_path ), wp_get_active_and_valid_themes() );
}

/**
* @ticket 65819
*/
public function test_disables_themes_when_all_are_paused_in_recovery_mode() {
global $wp_stylesheet_path, $wp_template_path;

$wp_template_path = get_theme_root() . '/twentytwentyone';
$wp_stylesheet_path = $wp_template_path;
update_option( 'template', 'twentytwentyone' );
update_option( 'stylesheet', 'twentytwentyone' );

$this->set_recovery_mode_state( true, self::TEST_SESSION_ID );
$this->assertTrue(
wp_paused_themes()->set(
'twentytwentyone',
array(
'type' => E_ERROR,
'file' => $wp_template_path . '/functions.php',
'line' => 1,
'message' => 'Fatal error',
)
)
);

$this->assertSame( array(), wp_get_active_and_valid_themes() );
$this->assertNotFalse( has_filter( 'wp_using_themes', '__return_false' ) );
}
}
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