function BootstrapPageCacheTestCase::testConditionalRequests

Test support for requests containing If-Modified-Since and If-None-Match headers.

File

modules/simpletest/tests/bootstrap.test, line 139

Class

BootstrapPageCacheTestCase

Code

function testConditionalRequests() {
    variable_set('cache', 1);
    // Fill the cache.
    $this->drupalGet('');
    $this->drupalHead('');
    $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
    $etag = $this->drupalGetHeader('ETag');
    $last_modified = $this->drupalGetHeader('Last-Modified');
    $this->drupalGet('', array(), array(
        'If-Modified-Since: ' . $last_modified,
        'If-None-Match: ' . $etag,
    ));
    $this->assertResponse(304, 'Conditional request returned 304 Not Modified.');
    $this->drupalGet('', array(), array(
        'If-Modified-Since: ' . gmdate(DATE_RFC822, strtotime($last_modified)),
        'If-None-Match: ' . $etag,
    ));
    $this->assertResponse(304, 'Conditional request with obsolete If-Modified-Since date returned 304 Not Modified.');
    $this->drupalGet('', array(), array(
        'If-Modified-Since: ' . gmdate(DATE_RFC850, strtotime($last_modified)),
        'If-None-Match: ' . $etag,
    ));
    $this->assertResponse(304, 'Conditional request with obsolete If-Modified-Since date returned 304 Not Modified.');
    $this->drupalGet('', array(), array(
        'If-Modified-Since: ' . $last_modified,
    ));
    $this->assertResponse(200, 'Conditional request without If-None-Match returned 200 OK.');
    $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
    $this->drupalGet('', array(), array(
        'If-Modified-Since: ' . gmdate(DATE_RFC7231, strtotime($last_modified) + 1),
        'If-None-Match: ' . $etag,
    ));
    $this->assertResponse(200, 'Conditional request with new a If-Modified-Since date newer than Last-Modified returned 200 OK.');
    $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
    $user = $this->drupalCreateUser();
    $this->drupalLogin($user);
    $this->drupalGet('', array(), array(
        'If-Modified-Since: ' . $last_modified,
        'If-None-Match: ' . $etag,
    ));
    $this->assertResponse(200, 'Conditional request returned 200 OK for authenticated user.');
    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'), 'Absence of Page was not cached.');
    $this->assertFalse($this->drupalGetHeader('ETag'), 'ETag HTTP headers are not present for logged in users.');
    $this->assertFalse($this->drupalGetHeader('Last-Modified'), 'Last-Modified HTTP headers are not present for logged in users.');
}