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Add unit tests for wp_color_scheme_settings() in wp-admin/includes/mi… #11741

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Add unit tests for wp_color_scheme_settings() in wp-admin/includes/mi… #11741

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128 changes: 128 additions & 0 deletions tests/phpunit/tests/admin/includes/misc/wpColorSchemeSettings.php
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<?php
/**
* Test wp_color_scheme_settings().
*
* @group admin
* @group misc
*/
class Tests_wp_color_scheme_settings extends WP_UnitTestCase {

/**
* Original $_wp_admin_css_colors global.
*
* @var array
*/
private $orig_wp_admin_css_colors;

public function set_up() {
parent::set_up();
global $_wp_admin_css_colors;
$this->orig_wp_admin_css_colors = $_wp_admin_css_colors;
}

public function tear_down() {
global $_wp_admin_css_colors;
$_wp_admin_css_colors = $this->orig_wp_admin_css_colors;
parent::tear_down();
}

/**
* Test wp_color_scheme_settings() with a valid color scheme.
*/
public function test_wp_color_scheme_settings_valid_scheme() {
global $_wp_admin_css_colors;

$user_id = $this->factory->user->create( array( 'role' => 'administrator' ) );
wp_set_current_user( $user_id );
update_user_option( $user_id, 'admin_color', 'blue' );

$_wp_admin_css_colors = array(
'blue' => (object) array(
'icon_colors' => array(
'base' => '#e5f8ff',
'focus' => '#fff',
'current' => '#fff',
),
),
);

ob_start();
wp_color_scheme_settings();
$output = ob_get_clean();

$expected = array(
'icons' => array(
'base' => '#e5f8ff',
'focus' => '#fff',
'current' => '#fff',
),
);

$this->assertStringContainsString( 'var _wpColorScheme = ' . wp_json_encode( $expected ), $output );
}

/**
* Test wp_color_scheme_settings() with an invalid color scheme (fallback to modern).
*/
public function test_wp_color_scheme_settings_invalid_scheme_fallback_to_modern() {
global $_wp_admin_css_colors;

$user_id = $this->factory->user->create( array( 'role' => 'administrator' ) );
wp_set_current_user( $user_id );
update_user_option( $user_id, 'admin_color', 'non-existent' );

$_wp_admin_css_colors = array(
'modern' => (object) array(
'icon_colors' => array(
'base' => '#f0f0f1',
'focus' => '#fff',
'current' => '#fff',
),
),
);

ob_start();
wp_color_scheme_settings();
$output = ob_get_clean();

$expected = array(
'icons' => array(
'base' => '#f0f0f1',
'focus' => '#fff',
'current' => '#fff',
),
);

$this->assertStringContainsString( 'var _wpColorScheme = ' . wp_json_encode( $expected ), $output );
}

/**
* Test wp_color_scheme_settings() with no icon colors defined (fallback to defaults).
*/
public function test_wp_color_scheme_settings_no_icon_colors_fallback() {
global $_wp_admin_css_colors;

$user_id = $this->factory->user->create( array( 'role' => 'administrator' ) );
wp_set_current_user( $user_id );
update_user_option( $user_id, 'admin_color', 'empty-scheme' );

$_wp_admin_css_colors = array(
'empty-scheme' => (object) array(),
'modern' => (object) array(),
);

ob_start();
wp_color_scheme_settings();
$output = ob_get_clean();

$expected = array(
'icons' => array(
'base' => '#a7aaad',
'focus' => '#72aee6',
'current' => '#fff',
),
);

$this->assertStringContainsString( 'var _wpColorScheme = ' . wp_json_encode( $expected ), $output );
}
}
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