function RequirementsTest::testIsolationLevelWarningNotDisplaying

Test the isolation level warning message on status page.

File

core/modules/mysql/tests/src/Functional/RequirementsTest.php, line 41

Class

RequirementsTest

Tests isolation level warning when the config is set in settings.php.

Namespace

Code

public function testIsolationLevelWarningNotDisplaying() {
    $admin_user = $this->drupalCreateUser([
        'administer site configuration',
        'access site reports',
    ]);
    $this->drupalLogin($admin_user);
    // Set the isolation level to a level that produces a warning.
    $this->writeIsolationLevelSettings('REPEATABLE READ');
    // Check the message is not a warning.
    $this->drupalGet('admin/reports/status');
    $elements = $this->xpath('//details[@class="system-status-report__entry"]//div[contains(text(), :text)]', [
        ':text' => 'For the best performance and to minimize locking issues, the READ-COMMITTED',
    ]);
    $this->assertCount(1, $elements);
    $this->assertStringStartsWith('REPEATABLE-READ', $elements[0]->getParent()
        ->getText());
    // Ensure it is a warning.
    $this->assertStringContainsString('warning', $elements[0]->getParent()
        ->getParent()
        ->find('css', 'summary')
        ->getAttribute('class'));
    // Rollback the isolation level to read committed.
    $this->writeIsolationLevelSettings('READ COMMITTED');
    // Check the message is not a warning.
    $this->drupalGet('admin/reports/status');
    $elements = $this->xpath('//details[@class="system-status-report__entry"]//div[contains(text(), :text)]', [
        ':text' => 'For the best performance and to minimize locking issues, the READ-COMMITTED',
    ]);
    $this->assertCount(1, $elements);
    $this->assertStringStartsWith('READ-COMMITTED', $elements[0]->getParent()
        ->getText());
    // Ensure it is a not a warning.
    $this->assertStringNotContainsString('warning', $elements[0]->getParent()
        ->getParent()
        ->find('css', 'summary')
        ->getAttribute('class'));
}