function ThemeTest::testPreprocessHtml

Tests that the page variable is not prematurely flattened.

Some modules check the page array in template_preprocess_html(), so we ensure that it has not been rendered prematurely.

File

core/modules/system/tests/src/Functional/Theme/ThemeTest.php, line 152

Class

ThemeTest

Tests low-level theme functions.

Namespace

Code

public function testPreprocessHtml() : void {
    $this->drupalGet('');
    $this->assertSession()
        ->elementsCount('xpath', '/body[@theme_test_page_variable="Page variable is an array."]', 1);
    $this->assertSession()
        ->pageTextContains('theme test page bottom markup');
}