class UpdateScriptFunctionalTest

class UpdateScriptFunctionalTest extends DrupalWebTestCase {
    private $update_url;
    private $update_user;
    public static function getInfo() {
        return array(
            'name' => 'Update functionality',
            'description' => 'Tests the update script access and functionality.',
            'group' => 'System',
        );
    }
    function setUp() {
        parent::setUp('update_script_test');
        $this->update_url = $GLOBALS['base_url'] . '/update.php';
        $this->update_user = $this->drupalCreateUser(array(
            'administer software updates',
        ));
    }
    
    /**
     * Tests that there are no pending updates for the first test method.
     */
    function testNoPendingUpdates() {
        // Ensure that for the first test method in a class, there are no pending
        // updates. This tests a drupal_get_schema_versions() bug that previously
        // led to the wrong schema version being recorded for the initial install
        // of a child site during automated testing.
        $this->drupalLogin($this->update_user);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->drupalPost(NULL, array(), t('Continue'));
        $this->assertText(t('No pending updates.'), 'End of update process was reached.');
    }
    
    /**
     * Tests access to the update script.
     */
    function testUpdateAccess() {
        // Try accessing update.php without the proper permission.
        $regular_user = $this->drupalCreateUser();
        $this->drupalLogin($regular_user);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertResponse(403);
        // Try accessing update.php as an anonymous user.
        $this->drupalLogout();
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertResponse(403);
        // Access the update page with the proper permission.
        $this->drupalLogin($this->update_user);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertResponse(200);
        // Access the update page as user 1.
        $user1 = user_load(1);
        $user1->pass_raw = user_password();
        require_once DRUPAL_ROOT . '/' . variable_get('password_inc', 'includes/password.inc');
        $user1->pass = user_hash_password(trim($user1->pass_raw));
        db_query("UPDATE {users} SET pass = :pass WHERE uid = :uid", array(
            ':pass' => $user1->pass,
            ':uid' => $user1->uid,
        ));
        $this->drupalLogin($user1);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertResponse(200);
    }
    
    /**
     * Tests that requirements warnings and errors are correctly displayed.
     */
    function testRequirements() {
        $this->drupalLogin($this->update_user);
        // If there are no requirements warnings or errors, we expect to be able to
        // go through the update process uninterrupted.
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->drupalPost(NULL, array(), t('Continue'));
        $this->assertText(t('No pending updates.'), 'End of update process was reached.');
        // Confirm that all caches were cleared.
        $this->assertText(t('hook_flush_caches() invoked for update_script_test.module.'), 'Caches were cleared when there were no requirements warnings or errors.');
        // If there is a requirements warning, we expect it to be initially
        // displayed, but clicking the link to proceed should allow us to go
        // through the rest of the update process uninterrupted.
        // First, run this test with pending updates to make sure they can be run
        // successfully.
        variable_set('update_script_test_requirement_type', REQUIREMENT_WARNING);
        drupal_set_installed_schema_version('update_script_test', drupal_get_installed_schema_version('update_script_test') - 1);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertText('This is a requirements warning provided by the update_script_test module.');
        $this->clickLink('try again');
        $this->assertNoText('This is a requirements warning provided by the update_script_test module.');
        $this->drupalPost(NULL, array(), t('Continue'));
        $this->drupalPost(NULL, array(), t('Apply pending updates'));
        $this->assertText(t('The update_script_test_update_7000() update was executed successfully.'), 'End of update process was reached.');
        // Confirm that all caches were cleared.
        $this->assertText(t('hook_flush_caches() invoked for update_script_test.module.'), 'Caches were cleared after resolving a requirements warning and applying updates.');
        // Now try again without pending updates to make sure that works too.
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertText('This is a requirements warning provided by the update_script_test module.');
        $this->clickLink('try again');
        $this->assertNoText('This is a requirements warning provided by the update_script_test module.');
        $this->drupalPost(NULL, array(), t('Continue'));
        $this->assertText(t('No pending updates.'), 'End of update process was reached.');
        // Confirm that all caches were cleared.
        $this->assertText(t('hook_flush_caches() invoked for update_script_test.module.'), 'Caches were cleared after applying updates and re-running the script.');
        // If there is a requirements error, it should be displayed even after
        // clicking the link to proceed (since the problem that triggered the error
        // has not been fixed).
        variable_set('update_script_test_requirement_type', REQUIREMENT_ERROR);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertText('This is a requirements error provided by the update_script_test module.');
        $this->clickLink('try again');
        $this->assertText('This is a requirements error provided by the update_script_test module.');
        // Check if the optional 'value' key displays without a notice.
        variable_set('update_script_test_requirement_type', REQUIREMENT_INFO);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $this->assertText('This is a requirements info provided by the update_script_test module.');
        $this->assertNoText('Notice: Undefined index: value in theme_status_report()');
    }
    
    /**
     * Tests the effect of using the update script on the theme system.
     */
    function testThemeSystem() {
        // Since visiting update.php triggers a rebuild of the theme system from an
        // unusual maintenance mode environment, we check that this rebuild did not
        // put any incorrect information about the themes into the database.
        $original_theme_data = db_query("SELECT * FROM {system} WHERE type = 'theme' ORDER BY name")->fetchAll();
        $this->drupalLogin($this->update_user);
        $this->drupalGet($this->update_url, array(
            'external' => TRUE,
        ));
        $final_theme_data = db_query("SELECT * FROM {system} WHERE type = 'theme' ORDER BY name")->fetchAll();
        $this->assertEqual($original_theme_data, $final_theme_data, 'Visiting update.php does not alter the information about themes stored in the database.');
    }
    
    /**
     * Tests update.php when there are no updates to apply.
     */
    function testNoUpdateFunctionality() {
        // Click through update.php with 'administer software updates' permission.
        $this->drupalLogin($this->update_user);
        $this->drupalPost($this->update_url, array(), t('Continue'), array(
            'external' => TRUE,
        ));
        $this->assertText(t('No pending updates.'));
        $this->assertNoLink('Administration pages');
        $this->clickLink('Front page');
        $this->assertResponse(200);
        // Click through update.php with 'access administration pages' permission.
        $admin_user = $this->drupalCreateUser(array(
            'administer software updates',
            'access administration pages',
        ));
        $this->drupalLogin($admin_user);
        $this->drupalPost($this->update_url, array(), t('Continue'), array(
            'external' => TRUE,
        ));
        $this->assertText(t('No pending updates.'));
        $this->clickLink('Administration pages');
        $this->assertResponse(200);
    }
    
    /**
     * Tests update.php after performing a successful update.
     */
    function testSuccessfulUpdateFunctionality() {
        drupal_set_installed_schema_version('update_script_test', drupal_get_installed_schema_version('update_script_test') - 1);
        // Click through update.php with 'administer software updates' permission.
        $this->drupalLogin($this->update_user);
        $this->drupalPost($this->update_url, array(), t('Continue'), array(
            'external' => TRUE,
        ));
        $this->drupalPost(NULL, array(), t('Apply pending updates'));
        $this->assertText('Updates were attempted.');
        $this->assertLink('site');
        $this->assertNoLink('Administration pages');
        $this->assertNoLink('logged');
        $this->clickLink('Front page');
        $this->assertResponse(200);
        drupal_set_installed_schema_version('update_script_test', drupal_get_installed_schema_version('update_script_test') - 1);
        // Click through update.php with 'access administration pages' and
        // 'access site reports' permissions.
        $admin_user = $this->drupalCreateUser(array(
            'administer software updates',
            'access administration pages',
            'access site reports',
        ));
        $this->drupalLogin($admin_user);
        $this->drupalPost($this->update_url, array(), t('Continue'), array(
            'external' => TRUE,
        ));
        $this->drupalPost(NULL, array(), t('Apply pending updates'));
        $this->assertText('Updates were attempted.');
        $this->assertLink('logged');
        $this->clickLink('Administration pages');
        $this->assertResponse(200);
    }

}