<?php

/**
 * Tests for the Metatag module's output caching
 */
class MetatagCoreOutputCachingTest extends MetatagTestHelper {

  /**
   * {@inheritdoc}
   */
  public static function getInfo() {
    return array(
      'name' => 'Metatag: output caching',
      'description' => 'Test the output caching functionality in Metatag.',
      'group' => 'Metatag',
      'dependencies' => array('ctools', 'token'),
    );
  }

  /**
   * Test how user tokens are handled when cache is enabled.
   */
  public function testUserTokensCacheEnabled() {
    // Enable output caching.
    variable_set('metatag_cache_output', TRUE);

    // Create two user accounts.
    $account1 = $this->drupalCreateUser();
    $account2 = $this->drupalCreateUser();

    // Log in the first account.
    $this->drupalLogin($account1);

    // Load the test page.
    $this->drupalGet('account-test-page');
    $this->assertResponse(200);

    // Verify the page loaded correctly and has the correct title.
    $this->assertText('Test page for user tokens.');
    $this->assertText('Hello ' . $account1->name);
    $xpath = $this->xpath("//h1");
    $this->verbose($xpath);
    $this->assertEqual(trim((string)$xpath[0]), 'Hello ' . $account1->name);

    // Confirm the page title itself.
    $this->assertTitle('Hello ' . $account1->name . ' | Drupal');

    // Log out the user.
    $this->drupalLogout().

    // Log in the second account.
    $this->drupalLogin($account2);

    // Load the test page.
    $this->drupalGet('account-test-page');
    $this->assertResponse(200);

    // Verify the page loaded correctly and now shows the second user account's
    // name on the page.
    $this->assertText('Test page for user tokens.');
    $this->assertText('Hello ' . $account2->name);
    $xpath = $this->xpath("//h1");
    $this->verbose($xpath);
    $this->assertEqual(trim((string)$xpath[0]), 'Hello ' . $account2->name);

    // Confirm the page title has not been updated, which is as designed.
    $this->assertTitle('Hello ' . $account1->name . ' | Drupal');
    $this->assertNoTitle('Hello ' . $account2->name . ' | Drupal');
  }

  /**
   * Test how user tokens are handled when cache is Disabled.
   */
  public function testUserTokensCacheDisabled() {
    // Disable output caching.
    variable_set('metatag_cache_output', FALSE);

    // Create two user accounts.
    $account1 = $this->drupalCreateUser();
    $account2 = $this->drupalCreateUser();

    // Log in the first account.
    $this->drupalLogin($account1);

    // Load the test page.
    $this->drupalGet('account-test-page');
    $this->assertResponse(200);

    // Verify the page loaded correctly and has the correct title.
    $this->assertText('Test page for user tokens.');
    $this->assertText('Hello ' . $account1->name);
    $xpath = $this->xpath("//h1");
    $this->verbose($xpath);
    $this->assertEqual(trim((string)$xpath[0]), 'Hello ' . $account1->name);

    // Confirm the page title itself.
    $this->assertTitle('Hello ' . $account1->name . ' | Drupal');

    // Log out the user.
    $this->drupalLogout().

    // Log in the second account.
    $this->drupalLogin($account2);

    // Load the test page.
    $this->drupalGet('account-test-page');
    $this->assertResponse(200);

    // Verify the page loaded correctly and now shows the second user account's
    // name on the page.
    $this->assertText('Test page for user tokens.');
    $this->assertText('Hello ' . $account2->name);
    $xpath = $this->xpath("//h1");
    $this->verbose($xpath);
    $this->assertEqual(trim((string)$xpath[0]), 'Hello ' . $account2->name);

    // Confirm the page title has changed, i.e. it shows the second account name
    // rather than the first.
    $this->assertNoTitle('Hello ' . $account1->name . ' | Drupal');
    $this->assertTitle('Hello ' . $account2->name . ' | Drupal');
  }

}