function ThemeTest::testPreprocessHtml

Tests that the page variable is not prematurely flattened.

Some modules check the page array in html template preprocess hooks, so we ensure that it has not been rendered prematurely.

File

core/modules/system/tests/src/Functional/Theme/ThemeTest.php, line 140

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');
}