<?php

/**
 * @file
 * Test file for Google Analytics module.
 */
class GoogleAnalyticsBasicTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => t('Google Analytics basic tests'),
      'description' => t('Test basic functionality of Google Analytics module.'),
      'group' => 'Google Analytics',
    );
  }

  function setUp() {
    parent::setUp('googleanalytics');

    $permissions = array(
      'access administration pages',
      'administer google analytics',
    );

    // User to set up google_analytics.
    $this->admin_user = $this->drupalCreateUser($permissions);
    $this->drupalLogin($this->admin_user);
  }

  function testGoogleAnalyticsConfiguration() {
    // Check for setting page's presence.
    $this->drupalGet('admin/config/system/googleanalytics');
    $this->assertRaw(t('Web Property ID'), '[testGoogleAnalyticsConfiguration]: Settings page displayed.');

    // Check for account code validation.
    $edit['googleanalytics_account'] = $this->randomName(2);
    $this->drupalPost('admin/config/system/googleanalytics', $edit, 'Save configuration');
    $this->assertRaw(t('A valid Google Analytics Web Property ID is case sensitive and formatted like UA-xxxxxxx-yy.'), '[testGoogleAnalyticsConfiguration]: Invalid Web Property ID number validated.');
  }

  function testGoogleAnalyticsPageVisibility() {
    $ua_code = 'UA-123456-1';
    variable_set('googleanalytics_account', $ua_code);

    // Show tracking on "every page except the listed pages".
    variable_set('googleanalytics_visibility_pages', 0);
    // Disable tracking one "admin*" pages only.
    variable_set('googleanalytics_pages', "admin\nadmin/*");
    // Enable tracking only for authenticated users only.
    variable_set('googleanalytics_roles', array(DRUPAL_AUTHENTICATED_RID => DRUPAL_AUTHENTICATED_RID));

    // Check tracking code visibility.
    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsPageVisibility]: Tracking code is displayed for authenticated users.');

    // Test whether tracking code is not included on pages to omit.
    $this->drupalGet('admin');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsPageVisibility]: Tracking code is not displayed on admin page.');
    $this->drupalGet('admin/config/system/googleanalytics');
    // Checking for tracking code URI here, as $ua_code is displayed in the form.
    $this->assertNoRaw('google-analytics.com/ga.js', '[testGoogleAnalyticsPageVisibility]: Tracking code is not displayed on admin subpage.');

    // Test whether tracking code display is properly flipped.
    variable_set('googleanalytics_visibility_pages', 1);
    $this->drupalGet('admin');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsPageVisibility]: Tracking code is displayed on admin page.');
    $this->drupalGet('admin/config/system/googleanalytics');
    // Checking for tracking code URI here, as $ua_code is displayed in the form.
    $this->assertRaw('google-analytics.com/ga.js', '[testGoogleAnalyticsPageVisibility]: Tracking code is displayed on admin subpage.');
    $this->drupalGet('');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsPageVisibility]: Tracking code is NOT displayed on front page.');

    // Test whether tracking code is not display for anonymous.
    $this->drupalLogout();
    $this->drupalGet('');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsPageVisibility]: Tracking code is NOT displayed for anonymous.');

    // Switch back to every page except the listed pages.
    variable_set('googleanalytics_visibility_pages', 0);
    // Enable tracking code for all user roles.
    variable_set('googleanalytics_roles', array());

    // Test whether 403 forbidden tracking code is shown if user has no access.
    $this->drupalGet('admin');
    $this->assertRaw('/403.html', '[testGoogleAnalyticsPageVisibility]: 403 Forbidden tracking code shown if user has no access.');

    // Test whether 404 not found tracking code is shown on non-existent pages.
    $this->drupalGet($this->randomName(64));
    $this->assertRaw('/404.html', '[testGoogleAnalyticsPageVisibility]: 404 Not Found tracking code shown on non-existent page.');

    // DNT Tests:
    // Enable caching of pages for anonymous users.
    variable_set('cache', 1);
    // Test whether DNT headers will fail to disable embedding of tracking code.
    $this->drupalGet('', array(), array('DNT: 1'));
    $this->assertRaw('_gaq.push(["_trackPageview"]);', '[testGoogleAnalyticsDNTVisibility]: DNT header send from client, but page caching is enabled and tracker cannot removed.');
    // DNT works only with caching of pages for anonymous users disabled.
    variable_set('cache', 0);
    $this->drupalGet('');
    $this->assertRaw('_gaq.push(["_trackPageview"]);', '[testGoogleAnalyticsDNTVisibility]: Tracking is enabled without DNT header.');
    // Test whether DNT header is able to remove the tracking code.
    $this->drupalGet('', array(), array('DNT: 1'));
    $this->assertNoRaw('_gaq.push(["_trackPageview"]);', '[testGoogleAnalyticsDNTVisibility]: DNT header received from client. Tracking has been disabled by browser.');
    // Disable DNT feature and see if tracker is still embedded.
    variable_set('googleanalytics_privacy_donottrack', 0);
    $this->drupalGet('', array(), array('DNT: 1'));
    $this->assertRaw('_gaq.push(["_trackPageview"]);', '[testGoogleAnalyticsDNTVisibility]: DNT feature is disabled, DNT header from browser has been ignored.');
  }

  function testGoogleAnalyticsTrackingCode() {
    $ua_code = 'UA-123456-2';
    variable_set('googleanalytics_account', $ua_code);

    // Show tracking code on every page except the listed pages.
    variable_set('googleanalytics_visibility_pages', 0);
    // Enable tracking code for all user roles.
    variable_set('googleanalytics_roles', array());

    /* Sample JS code as added to page:
    <script type="text/javascript" src="/sites/all/modules/google_analytics/googleanalytics.js?w"></script>
    <script type="text/javascript">
      var _gaq = _gaq || [];
      _gaq.push(['_setAccount', 'UA-123456-7']);
      _gaq.push(['_trackPageview']);

      (function() {
        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
      })();
    </script>
    */

    // Test whether tracking code uses latest JS.
    variable_set('googleanalytics_cache', 0);
    $this->drupalGet('');
    $this->assertRaw('google-analytics.com/ga.js', '[testGoogleAnalyticsTrackingCode]: Latest tracking code used.');

    // Test whether the alternate doubleclick library is used
    variable_set('googleanalytics_trackdoubleclick', 1);
    $this->drupalGet('');
    $this->assertRaw('stats.g.doubleclick.net/dc.js', '[testGoogleAnalyticsTrackingCode]: Doubleclick tracking code used.');

    // Test whether anonymize visitors IP address feature has been enabled.
    $this->drupalGet('');
    $this->assertNoRaw('_gaq.push(["_gat._anonymizeIp"]);', '[testGoogleAnalyticsTrackingCode]: Anonymize visitors IP address not found on frontpage.');
    // Enable anonymizing of IP addresses.
    variable_set('googleanalytics_tracker_anonymizeip', 1);
    $this->drupalGet('');
    $this->assertRaw('_gaq.push(["_gat._anonymizeIp"]);', '[testGoogleAnalyticsTrackingCode]: Anonymize visitors IP address found on frontpage.');

    // Test whether single domain tracking is active.
    $this->drupalGet('');
    $this->assertNoRaw('_gaq.push(["_setDomainName"', '[testGoogleAnalyticsTrackingCode]: Single domain tracking is active.');

    // Enable "One domain with multiple subdomains".
    variable_set('googleanalytics_domain_mode', 1);
    $this->drupalGet('');

    // Test may run on localhost, an ipaddress or real domain name.
    // TODO: Workaround to run tests successfully. This feature cannot tested reliable.
    global $cookie_domain;
    if (count(explode('.', $cookie_domain)) > 2 && !is_numeric(str_replace('.', '', $cookie_domain))) {
      $this->assertRaw('_gaq.push(["_setDomainName",', '[testGoogleAnalyticsTrackingCode]: One domain with multiple subdomains is active on real host.');
    }
    else {
      // Special cases, Localhost and IP addresses don't show '_setDomainName'.
      $this->assertNoRaw('_gaq.push(["_setDomainName",', '[testGoogleAnalyticsTrackingCode]: One domain with multiple subdomains may be active on localhost (test result is not reliable).');
    }

    // Enable "Multiple top-level domains" tracking.
    variable_set('googleanalytics_domain_mode', 2);
    variable_set('googleanalytics_cross_domains', "www.example.com\nwww.example.net");
    $this->drupalGet('');
    $this->assertRaw('_gaq.push(["_setDomainName", "none"]);', '[testGoogleAnalyticsTrackingCode]: _setDomainName: "none" found. Cross domain tracking is active.');
    $this->assertRaw('_gaq.push(["_setAllowLinker", true]);', '[testGoogleAnalyticsTrackingCode]: _setAllowLinker: true found. Cross domain tracking is active.');
    $this->assertRaw('"trackCrossDomains":["www.example.com","www.example.net"]', '[testGoogleAnalyticsTrackingCode]: Cross domain tracking with www.example.com and www.example.net is active.');

    // Test whether the BEFORE and AFTER code is added to the tracker.
    variable_set('googleanalytics_codesnippet_before', '_setDetectFlash(false);');
    variable_set('googleanalytics_codesnippet_after', '_gaq.push(["t2._setAccount", "UA-123456-3"]);_gaq.push(["t2._trackPageview"]);');
    $this->drupalGet('');
    $this->assertRaw('_setDetectFlash(false);', '[testGoogleAnalyticsTrackingCode]: Before codesnippet has been found with "Flash" detection disabled.');
    $this->assertRaw('t2._setAccount', '[testGoogleAnalyticsTrackingCode]: After codesnippet with "t2" tracker has been found.');
  }
}

class GoogleAnalyticsCustomVariablesTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => t('Google Analytics Custom Variables tests'),
      'description' => t('Test custom variables functionality of Google Analytics module.'),
      'group' => 'Google Analytics',
      'dependencies' => array('token'),
    );
  }

  function setUp() {
    parent::setUp('googleanalytics', 'token');

    $permissions = array(
      'access administration pages',
      'administer google analytics',
    );

    // User to set up google_analytics.
    $this->admin_user = $this->drupalCreateUser($permissions);
  }

  function testGoogleAnalyticsCustomVariables() {
    $ua_code = 'UA-123456-3';
    variable_set('googleanalytics_account', $ua_code);

    // Basic test if the feature works.
    $custom_vars = array(
      'slots' => array(
        1 => array(
          'slot' => 1,
          'name' => 'Foo 1',
          'value' => 'Bar 1',
          'scope' => 3,
        ),
        2 => array(
          'slot' => 2,
          'name' => 'Foo 2',
          'value' => 'Bar 2',
          'scope' => 2,
        ),
        3 => array(
          'slot' => 3,
          'name' => 'Foo 3',
          'value' => 'Bar 3',
          'scope' => 3,
        ),
        4 => array(
          'slot' => 4,
          'name' => 'Foo 4',
          'value' => 'Bar 4',
          'scope' => 2,
        ),
        5 => array(
          'slot' => 5,
          'name' => 'Foo 5',
          'value' => 'Bar 5',
          'scope' => 1,
        ),
      )
    );
    variable_set('googleanalytics_custom_var', $custom_vars);
    $this->drupalGet('');

    foreach ($custom_vars['slots'] as $slot) {
      $this->assertRaw("_gaq.push(['_setCustomVar', " . $slot['slot'] . ", \"" . $slot['name'] . "\", \"" . $slot['value'] . "\", " . $slot['scope'] . "]);", '[testGoogleAnalyticsCustomVariables]: _setCustomVar ' . $slot['slot'] . ' is shown.');
    }

    // Test whether tokens are replaced in custom variable names.
    $site_slogan = $this->randomName(16);
    variable_set('site_slogan', $site_slogan);

    $custom_vars = array(
      'slots' => array(
        1 => array(
          'slot' => 1,
          'name' => 'Name: [site:slogan]',
          'value' => 'Value: [site:slogan]',
          'scope' => 3,
        ),
        2 => array(
          'slot' => 2,
          'name' => '',
          'value' => $this->randomName(16),
          'scope' => 1,
        ),
        3 => array(
          'slot' => 3,
          'name' => $this->randomName(16),
          'value' => '',
          'scope' => 2,
        ),
        4 => array(
          'slot' => 4,
          'name' => '',
          'value' => '',
          'scope' => 3,
        ),
        5 => array(
          'slot' => 5,
          'name' => '',
          'value' => '',
          'scope' => 3,
        ),
      )
    );
    variable_set('googleanalytics_custom_var', $custom_vars);
    $this->verbose('<pre>' . print_r($custom_vars, TRUE) . '</pre>');

    $this->drupalGet('');
    $this->assertRaw("_gaq.push(['_setCustomVar', 1, \"Name: $site_slogan\", \"Value: $site_slogan\", 3]", '[testGoogleAnalyticsCustomVariables]: Tokens have been replaced in custom variable.');
    $this->assertNoRaw("_gaq.push(['_setCustomVar', 2,", '[testGoogleAnalyticsCustomVariables]: Value with empty name is not shown.');
    $this->assertNoRaw("_gaq.push(['_setCustomVar', 3,", '[testGoogleAnalyticsCustomVariables]: Name with empty value is not shown.');
    $this->assertNoRaw("_gaq.push(['_setCustomVar', 4,", '[testGoogleAnalyticsCustomVariables]: Empty name and value is not shown.');
    $this->assertNoRaw("_gaq.push(['_setCustomVar', 5,", '[testGoogleAnalyticsCustomVariables]: Empty name and value is not shown.');
  }
}

class GoogleAnalyticsStatusMessagesTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => t('Google Analytics status messages tests'),
      'description' => t('Test status messages functionality of Google Analytics module.'),
      'group' => 'Google Analytics',
    );
  }

  function setUp() {
    parent::setUp('googleanalytics');

    $permissions = array(
      'access administration pages',
      'administer google analytics',
    );

    // User to set up google_analytics.
    $this->admin_user = $this->drupalCreateUser($permissions);
  }

  function testGoogleAnalyticsStatusMessages() {
    $ua_code = 'UA-123456-4';
    variable_set('googleanalytics_account', $ua_code);

    // Enable logging of errors only.
    variable_set('googleanalytics_trackmessages', array('error' => 'error'));

    $this->drupalPost('user/login', array(), 'Log in');
    $this->assertRaw('_gaq.push(["_trackEvent", "Messages", "Error message", "Username field is required."]);', '[testGoogleAnalyticsStatusMessages]: _trackEvent "Username field is required." is shown.');
    $this->assertRaw('_gaq.push(["_trackEvent", "Messages", "Error message", "Password field is required."]);', '[testGoogleAnalyticsStatusMessages]: _trackEvent "Password field is required." is shown.');

    // @todo: investigate why drupal_set_message() fails.
    //drupal_set_message('Example status message.', 'status');
    //drupal_set_message('Example warning message.', 'warning');
    //drupal_set_message('Example error message.', 'error');
    //drupal_set_message('Example error <em>message</em> with html tags and <a href="http://example.com/">link</a>.', 'error');
    //$this->drupalGet('');
    //$this->assertNoRaw('_gaq.push(["_trackEvent", "Messages", "Status message", "Example status message."]);', '[testGoogleAnalyticsStatusMessages]: Example status message is not enabled for tracking.');
    //$this->assertNoRaw('_gaq.push(["_trackEvent", "Messages", "Warning message", "Example warning message."]);', '[testGoogleAnalyticsStatusMessages]: Example warning message is not enabled for tracking.');
    //$this->assertRaw('_gaq.push(["_trackEvent", "Messages", "Error message", "Example error message."]);', '[testGoogleAnalyticsStatusMessages]: Example error message is shown.');
    //$this->assertRaw('_gaq.push(["_trackEvent", "Messages", "Error message", "Example error message with html tags and link."]);', '[testGoogleAnalyticsStatusMessages]: HTML has been stripped successful from Example error message with html tags and link.');
  }
}

class GoogleAnalyticsRolesTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => t('Google Analytics role tests'),
      'description' => t('Test roles functionality of Google Analytics module.'),
      'group' => 'Google Analytics',
    );
  }

  function setUp() {
    parent::setUp('googleanalytics');

    $permissions = array(
      'access administration pages',
      'administer google analytics',
    );

    // User to set up google_analytics.
    $this->admin_user = $this->drupalCreateUser($permissions);
  }

  function testGoogleAnalyticsRolesTracking() {
    $ua_code = 'UA-123456-4';
    variable_set('googleanalytics_account', $ua_code);

    // Test if the default settings are working as expected.

    // Add to the selected roles only.
    variable_set('googleanalytics_visibility_roles', 0);
    // Enable tracking for all users.
    variable_set('googleanalytics_roles', array());

    // Check tracking code visibility.
    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is displayed for anonymous users on frontpage with default settings.');
    $this->drupalGet('admin');
    $this->assertRaw('/403.html', '[testGoogleAnalyticsRoleVisibility]: 403 Forbidden tracking code is displayed for anonymous users in admin section with default settings.');

    $this->drupalLogin($this->admin_user);

    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is displayed for authenticated users on frontpage with default settings.');
    $this->drupalGet('admin');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is NOT displayed for authenticated users in admin section with default settings.');

    // Test if the non-default settings are working as expected.

    // Enable tracking only for authenticated users.
    variable_set('googleanalytics_roles', array(DRUPAL_AUTHENTICATED_RID => DRUPAL_AUTHENTICATED_RID));

    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is displayed for authenticated users only on frontpage.');

    $this->drupalLogout();
    $this->drupalGet('');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is NOT displayed for anonymous users on frontpage.');

    // Add to every role except the selected ones.
    variable_set('googleanalytics_visibility_roles', 1);
    // Enable tracking for all users.
    variable_set('googleanalytics_roles', array());

    // Check tracking code visibility.
    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is added to every role and displayed for anonymous users.');
    $this->drupalGet('admin');
    $this->assertRaw('/403.html', '[testGoogleAnalyticsRoleVisibility]: 403 Forbidden tracking code is shown for anonymous users if every role except the selected ones is selected.');

    $this->drupalLogin($this->admin_user);

    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is added to every role and displayed on frontpage for authenticated users.');
    $this->drupalGet('admin');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is added to every role and NOT displayed in admin section for authenticated users.');

    // Disable tracking for authenticated users.
    variable_set('googleanalytics_roles', array(DRUPAL_AUTHENTICATED_RID => DRUPAL_AUTHENTICATED_RID));

    $this->drupalGet('');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is NOT displayed on frontpage for excluded authenticated users.');
    $this->drupalGet('admin');
    $this->assertNoRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is NOT displayed in admin section for excluded authenticated users.');

    $this->drupalLogout();
    $this->drupalGet('');
    $this->assertRaw($ua_code, '[testGoogleAnalyticsRoleVisibility]: Tracking code is displayed on frontpage for included anonymous users.');
  }

}