<?php

/**
 * @file
 * Tests for Secure Login module.
 */

/**
 * Tests basic Secure Login functionality.
 */
class SecureLoginTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Secure Login tests',
      'description' => 'Tests Secure Login module.',
      'group' => 'Secure Login',
    );
  }

  function setUp() {
    parent::setUp('securelogin');
  }

  /**
   * Ensure a request over HTTP gets 301 redirected to HTTPS.
   */
  protected function testHttpSecureLogin() {
    global $base_url;
    // Disable redirect following.
    variable_set('simpletest_maximum_redirects', 0);
    $this->drupalGet($this->httpUrl('user/login'));
    $headers = $this->drupalGetHeaders(TRUE);
    $this->assertTrue(strpos($headers[0][':status'], '301'), 'Status header contains 301.');
    $this->assertIdentical(0, strpos($headers[0]['location'], str_replace('http://', 'https://', $base_url)), 'Location header uses the secure base URL.');
    // Re-enable redirect following.
    variable_del('simpletest_maximum_redirects');
  }

  /**
   * Ensure HTTPS requests do not get redirected.
   */
  protected function testHttpsSecureLogin() {
    $this->drupalGet($this->httpsUrl('user/login'));
    $this->assertResponse(200);
    $xpath = $this->xpath('//form[@id="user-login"]');
    $this->assertEqual(count($xpath), 1, 'The user is on the login form.');
  }

  /**
   * Builds a URL for submitting a mock HTTPS request to HTTP test environments.
   *
   * @param $url
   *   A Drupal path such as 'user'.
   *
   * @return
   *   An absolute URL.
   */
  protected function httpsUrl($url) {
    global $base_url;
    return $base_url . '/modules/simpletest/tests/https.php?q=' . $url;
  }

  /**
   * Builds a URL for submitting a mock HTTP request to HTTPS test environments.
   *
   * @param $url
   *   A Drupal path such as 'user'.
   *
   * @return
   *   An absolute URL.
   */
  protected function httpUrl($url) {
    global $base_url;
    return $base_url . '/modules/simpletest/tests/http.php?q=' . $url;
  }

}