Issue #2329429 by dawehner: Fixed Permission page order is all wackadoo.

core/modules/user/src/PermissionHandler.php

@@ -80,7 +80,7 @@ public function getPermissions() {
 
     $all_permissions += $this->buildPermissionsModules();
 
-    return $this->sortPermissionsByProviderName($all_permissions);
+    return $this->sortPermissions($all_permissions);
   }
 
   /**
@@ -138,7 +138,7 @@ protected function buildPermissionsModules() {
   }
 
   /**
-   * Sorts the given permissions by provider name.
+   * Sorts the given permissions by provider name and title.
    *
    * @param array $all_permissions
    *   The permissions to be sorted.
@@ -149,13 +149,18 @@ protected function buildPermissionsModules() {
    *   - description: The description of the permission, defaults to NULL.
    *   - provider: The provider of the permission.
    */
-  protected function sortPermissionsByProviderName(array $all_permissions = array()) {
+  protected function sortPermissions(array $all_permissions = array()) {
     // Get a list of all the modules providing permissions and sort by
     // display name.
     $modules = $this->getModuleNames();
 
     uasort($all_permissions, function (array $permission_a, array $permission_b) use ($modules) {
-      return $modules[$permission_a['provider']] > $modules[$permission_b['provider']];
+      if ($modules[$permission_a['provider']] == $modules[$permission_b['provider']]) {
+        return $permission_a['title'] > $permission_b['title'];
+      }
+      else {
+        return $modules[$permission_a['provider']] > $modules[$permission_b['provider']];
+      }
     });
     return $all_permissions;
   }

core/modules/user/tests/src/PermissionHandlerTest.php

@@ -75,7 +75,7 @@ protected function mockModuleExtension($module, $name) {
    * @covers ::getPermissions
    * @covers ::buildPermissions
    * @covers ::buildPermissionsModules
-   * @covers ::sortPermissionsByProviderName
+   * @covers ::sortPermissions
    * @covers ::getModuleNames
    */
   public function testBuildPermissionsModules() {
@@ -124,6 +124,7 @@ public function testBuildPermissionsModules() {
     $this->assertSame(array('access_module_a', 'access_module_c', 'access module b'), array_keys($actual_permissions));
   }
 
+
   /**
    * Tests permissions provided by YML files.
    *
@@ -188,6 +189,56 @@ public function testBuildPermissionsYaml() {
     $this->assertPermissions($actual_permissions);
   }
 
+  /**
+   * Tests permissions sort inside a module.
+   *
+   * @covers ::__construct
+   * @covers ::getPermissions
+   * @covers ::buildPermissions
+   * @covers ::buildPermissionsYaml
+   * @covers ::sortPermissions
+   */
+  public function testBuildPermissionsSortPerModule() {
+    vfsStreamWrapper::register();
+    $root = new vfsStreamDirectory('modules');
+    vfsStreamWrapper::setRoot($root);
+
+    $this->moduleHandler = $this->getMock('Drupal\Core\Extension\ModuleHandlerInterface');
+    $this->moduleHandler->expects($this->once())
+      ->method('getModuleDirectories')
+      ->willReturn([
+        'module_a' => vfsStream::url('modules/module_a'),
+      ]);
+
+    $url = vfsStream::url('modules');
+    mkdir($url . '/module_a');
+    file_put_contents($url . '/module_a/module_a.permissions.yml',
+"access_module_a2: single_description
+access_module_a1: single_description"
+    );
+    $modules = ['module_a'];
+    $extensions = [
+      'module_a' => $this->mockModuleExtension('module_a', 'Module a'),
+    ];
+    $this->moduleHandler->expects($this->any())
+      ->method('getImplementations')
+      ->with('permission')
+      ->willReturn([]);
+
+    $this->moduleHandler->expects($this->any())
+      ->method('getModuleList')
+      ->willReturn(array_flip($modules));
+
+    $this->permissionHandler = new TestPermissionHandler($this->moduleHandler, $this->stringTranslation);
+
+    // Setup system_rebuild_module_data().
+    $this->permissionHandler->setSystemRebuildModuleData($extensions);
+
+    $actual_permissions = $this->permissionHandler->getPermissions();
+
+    $this->assertEquals(['access_module_a1', 'access_module_a2'], array_keys($actual_permissions));
+  }
+
   /**
    * Checks that the permissions are like expected.
    *