Test cache headers.

File

drupal-7.x/modules/simpletest/tests/bootstrap.test, line 156

Class

BootstrapPageCacheTestCase

Code

function testPageCache() {
  variable_set('cache', 1);

  // Fill the cache.
  $this->drupalGet('system-test/set-header', array('query' => array('name' => 'Foo', 'value' => 'bar')));
  $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
  $this->assertEqual($this->drupalGetHeader('Vary'), 'Cookie,Accept-Encoding', 'Vary header was sent.');
  $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'public, max-age=0', 'Cache-Control header was sent.');
  $this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
  $this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');

  // Check cache.
  $this->drupalGet('system-test/set-header', array('query' => array('name' => 'Foo', 'value' => 'bar')));
  $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
  $this->assertEqual($this->drupalGetHeader('Vary'), 'Cookie,Accept-Encoding', 'Vary: Cookie header was sent.');
  $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'public, max-age=0', 'Cache-Control header was sent.');
  $this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
  $this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');

  // Check replacing default headers.
  $this->drupalGet('system-test/set-header', array('query' => array('name' => 'Expires', 'value' => 'Fri, 19 Nov 2008 05:00:00 GMT')));
  $this->assertEqual($this->drupalGetHeader('Expires'), 'Fri, 19 Nov 2008 05:00:00 GMT', 'Default header was replaced.');
  $this->drupalGet('system-test/set-header', array('query' => array('name' => 'Vary', 'value' => 'User-Agent')));
  $this->assertEqual($this->drupalGetHeader('Vary'), 'User-Agent,Accept-Encoding', 'Default header was replaced.');

  // Check that authenticated users bypass the cache.
  $user = $this->drupalCreateUser();
  $this->drupalLogin($user);
  $this->drupalGet('system-test/set-header', array('query' => array('name' => 'Foo', 'value' => 'bar')));
  $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'), 'Caching was bypassed.');
  $this->assertTrue(strpos($this->drupalGetHeader('Vary'), 'Cookie') === FALSE, 'Vary: Cookie header was not sent.');
  $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'no-cache, must-revalidate, post-check=0, pre-check=0', 'Cache-Control header was sent.');
  $this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
  $this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');

}