function CronRunTestCase::testAutomaticCron

Ensure that the automatic cron run feature is working.

In these tests we do not use REQUEST_TIME to track start time, because we need the exact time when cron is triggered.

File

modules/system/system.test, line 837

Class

CronRunTestCase

Code

function testAutomaticCron() {
    // Ensure cron does not run when the cron threshold is enabled and was
    // not passed.
    $cron_last = time();
    $cron_safe_threshold = 100;
    variable_set('cron_last', $cron_last);
    variable_set('cron_safe_threshold', $cron_safe_threshold);
    $this->drupalGet('');
    $this->assertTrue($cron_last == variable_get('cron_last', NULL), 'Cron does not run when the cron threshold is not passed.');
    // Test if cron runs when the cron threshold was passed.
    $cron_last = time() - 200;
    variable_set('cron_last', $cron_last);
    $this->drupalGet('');
    sleep(1);
    $this->assertTrue($cron_last < variable_get('cron_last', NULL), 'Cron runs when the cron threshold is passed.');
    // Disable the cron threshold through the interface.
    $admin_user = $this->drupalCreateUser(array(
        'administer site configuration',
    ));
    $this->drupalLogin($admin_user);
    $this->drupalPost('admin/config/system/cron', array(
        'cron_safe_threshold' => 0,
    ), t('Save configuration'));
    $this->assertText(t('The configuration options have been saved.'));
    $this->drupalLogout();
    // Test if cron does not run when the cron threshold is disabled.
    $cron_last = time() - 200;
    variable_set('cron_last', $cron_last);
    $this->drupalGet('');
    $this->assertTrue($cron_last == variable_get('cron_last', NULL), 'Cron does not run when the cron threshold is disabled.');
}