<?php

/**
 * Tests module installation and uninstallation.
 */
class FeedsModuleInstallUninstallWebTest extends DrupalWebTestCase {

  /**
   * {@inheritdoc}
   */
  public static function getInfo() {
    return array(
      'name' => 'Module installation and uninstallation',
      'description' => '',
      'group' => 'Feeds',
    );
  }

  /**
   * Overrides DrupalWebTestCase::setUp().
   */
  public function setUp($modules = array()) {
    $modules = array_merge(array(
      'feeds',
      'feeds_ui',
    ), $modules);
    parent::setUp($modules);
  }

  /**
   * Uninstalls Feeds.
   */
  protected function uninstallFeeds() {
    module_disable(array('feeds_ui', 'feeds'));
    drupal_uninstall_modules(array('feeds_ui', 'feeds'));

    // Flush caches.
    drupal_static_reset();
    drupal_flush_all_caches();

    // Assert that the modules are uninstalled.
    $this->assertEqual(1, db_query("SELECT COUNT(*) FROM {system} WHERE type = 'module' AND status = 0 AND name = 'feeds_ui' AND schema_version = -1")->fetchField(), 'Feeds Admin UI is uninstalled.');
    $this->assertEqual(1, db_query("SELECT COUNT(*) FROM {system} WHERE type = 'module' AND status = 0 AND name = 'feeds' AND schema_version = -1")->fetchField(), 'Feeds is uninstalled.');
  }

  /**
   * Test installation and uninstallation.
   */
  public function testInstallationAndUninstallation() {
    $this->assertTrue(module_exists('feeds'));
    $this->assertTrue(module_exists('feeds_ui'));

    // Ensure the variable 'cache_class_cache_feeds_http' is set.
    $this->assertEqual('FeedsHTTPCache', variable_get('cache_class_cache_feeds_http'));

    // Uninstall module.
    $this->uninstallFeeds();

    // Ensure the variable 'cache_class_cache_feeds_http' is removed.
    $this->assertNull(variable_get('cache_class_cache_feeds_http'), 'The variable "cache_class_cache_feeds_http" is removed.');
  }

  /**
   * Tests if scheduled jobs are removed when uninstalling Feeds.
   */
  public function testJobsRemovalOnUninstall() {
    // Create a Feeds importer.
    $id = 'syndication';
    $importer = feeds_importer($id);
    $importer->addConfig(array(
      'name' => 'Syndication',
    ));
    // Set processor config to expire nodes.
    $importer->processor->addConfig(array(
      'expire' => 3600,
    ));
    $importer->save();

    // Login as admin.
    $admin = $this->drupalCreateUser(array(
      'access content',
      'administer feeds',
    ));
    $this->drupalLogin($admin);

    // Import URL.
    $edit = array(
      'feeds[FeedsHTTPFetcher][source]' => $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'feeds') . '/tests/feeds/developmentseed.rss2',
    );
    $this->drupalPost('import/' . $id, $edit, 'Import');

    // Check whether feed got properly added to scheduler.
    $this->assertEqual(1, db_query("SELECT COUNT(*) FROM {job_schedule} WHERE type = :id AND id = 0 AND name = 'feeds_source_import' AND last <> 0 AND scheduled = 0", array(':id' => $id))->fetchField());
    // Check expire scheduler.
    $this->assertEqual(1, db_query("SELECT COUNT(*) FROM {job_schedule} WHERE type = :id AND id = 0 AND name = 'feeds_source_expire'", array(':id' => $id))->fetchField());

    // Now uninstall Feeds.
    $this->uninstallFeeds();

    // Check that all Feeds jobs are removed from the scheduler.
    $this->assertEqual(0, db_query("SELECT COUNT(*) FROM {job_schedule} WHERE name LIKE 'feeds_%'")->fetchField());
  }

}