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 150

Class

ThemeTest

Tests low-level theme functions.

Namespace

Code

public function testPreprocessHtml() {
    $this->drupalGet('');
    $attributes = $this->xpath('/body[@theme_test_page_variable="Page variable is an array."]');
    $this->assertCount(1, $attributes, 'In template_preprocess_html(), the page variable is still an array (not rendered yet).');
    $this->assertText('theme test page bottom markup', 'Modules are able to set the page bottom region.');
}