#516150 by David_Rothstein, dropcube, Senpai, alexanderpas, sun: Add fallback for main content block rendering. (Make it so you can't render your site completely unusable by disabling block module. Oopsie.)

1 files changed, 82 insertions, 0 deletions

diff --git a/modules/system/system.test b/modules/system/system.test
index 4f75cf21d..4f684e876 100644
--- a/modules/system/system.test
+++ b/modules/system/system.test
@@ -999,7 +999,89 @@ class SystemBlockTestCase extends DrupalWebTestCase {
     $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
     $this->drupalPost('admin/structure/block/manage/system/powered-by/configure', array('title' => '', 'color' => 'powered-blue', 'size' => '80x15'), t('Save block'));
   }
+}
+
+/**
+ * Test main content rendering fallback provided by system module.
+ */
+class SystemMainContentFallback extends DrupalWebTestCase {
+  protected $admin_user;
+  protected $web_user;
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Main content rendering fallback',
+      'description' => ' Test system module main content rendering fallback.',
+      'group' => 'System',
+    );
+  }
+
+  function setUp() {
+    parent::setUp('system_test');
+
+    // Create and login admin user.
+    $this->admin_user = $this->drupalCreateUser(array(
+      'access administration pages',
+      'administer site configuration',
+      'administer blocks',
+      'administer nodes',
+    ));
+    $this->drupalLogin($this->admin_user);
 
+    // Create a web user.
+    $this->web_user = $this->drupalCreateUser(array('access user profiles', 'access content'));
+  }
+
+  /**
+   * Test availability of main content.
+   */
+  function testMainContentFallback() {
+    $edit = array();
+    // Disable the dashboard module, which depends on the block module.
+    $edit['modules[Core][dashboard][enable]'] = FALSE;
+    $this->drupalPost('admin/config/modules', $edit, t('Save configuration'));
+    $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+    // Disable the block module.
+    $edit['modules[Core][block][enable]'] = FALSE;
+    $this->drupalPost('admin/config/modules', $edit, t('Save configuration'));
+    $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+    module_list(TRUE);
+    $this->assertFalse(module_exists('block'), t('Block module disabled.'));
+
+    // At this point, no region is filled and fallback should be triggered.
+    $this->drupalGet('admin/config/system/site-information');
+    $this->assertField('site_name', t('Admin interface still availble.'));
+
+    // Fallback should not trigger when another module is handling content.
+    $this->drupalGet('system-test/main-content-handling');
+    $this->assertRaw('id="system-test-content"', t('Content handled by another module'));
+    $this->assertText(t('Content to test main content fallback'), t('Main content still displayed.'));
+
+    // Fallback should trigger when another module
+    // indicates that it is not handling the content.
+    $this->drupalGet('system-test/main-content-fallback');
+    $this->assertText(t('Content to test main content fallback'), t('Main content fallback properly triggers.'));
+
+    // Fallback should not trigger when another module is handling content.
+    // Note that this test ensures that no duplicate
+    // content gets created by the fallback.
+    $this->drupalGet('system-test/main-content-duplication');
+    $this->assertNoText(t('Content to test main content fallback'), t('Main content not duplicated.'));
+
+    // Request a user* page and see if it is displayed.
+    $this->drupalLogin($this->web_user);
+    $this->drupalGet('user/' . $this->web_user->uid . '/edit');
+    $this->assertField('mail', t('User interface still availble.'));
+
+    // Enable the block module again.
+    $this->drupalLogin($this->admin_user);
+    $edit = array();
+    $edit['modules[Core][block][enable]'] = 'block';
+    $this->drupalPost('admin/config/modules', $edit, t('Save configuration'));
+    $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+    module_list(TRUE);
+    $this->assertTrue(module_exists('block'), t('Block module re-enabled.'));
+  }
 }
 
 class SystemSettingsForm extends DrupalWebTestCase {