diff --git a/frontend/tests/unit/tests/work_packages/activities/revision-activity-directive-test.js b/frontend/tests/unit/tests/work_packages/activities/revision-activity-directive-test.js
new file mode 100644
index 0000000000..f148197b70
--- /dev/null
+++ b/frontend/tests/unit/tests/work_packages/activities/revision-activity-directive-test.js
@@ -0,0 +1,140 @@
+//-- copyright
+// OpenProject is a project management system.
+// Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License version 3.
+//
+// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+// Copyright (C) 2006-2013 Jean-Philippe Lang
+// Copyright (C) 2010-2013 the ChiliProject Team
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// See doc/COPYRIGHT.rdoc for more details.
+//++
+
+/*jshint expr: true*/
+
+describe('revisionActivity Directive', function() {
+    var compile, element, rootScope, scope;
+
+    beforeEach(angular.mock.module('openproject.workPackages.activities'));
+    beforeEach(function() {
+      module(
+        'ng-context-menu',
+        'openproject.api',
+        'openproject.workPackages',
+        'openproject.models',
+        'openproject.services',
+        'openproject.config',
+        'openproject.templates'
+      );
+    });
+
+    beforeEach(inject(function($rootScope, $compile) {
+      var html;
+      html = '<div exclusive-edit class="exclusive-edit"><revision-activity work-package="workPackage" activity="activity" activity-no="activityNo" is-initial="isInitial"></revision-activity></div>';
+
+      rootScope = $rootScope;
+      scope = $rootScope.$new();
+
+      compile = function() {
+        element = angular.element(html);
+        $compile(element)(scope);
+        scope.$digest();
+      };
+    }));
+
+    describe('with a valid revision', function(){
+      beforeEach(function() {
+        scope.workPackage = {
+          links: {
+            revisions: true
+          },
+          embedded: { }
+        };
+        scope.activity = {
+          links: {
+            showRevision: '/project/foo/repository/revision/1234',
+          },
+          props: {
+            'id': 1,
+            'identifier': '11f4b07dff4f4ce9548a52b7d002daca7cd63ec6',
+            'formattedIdentifier': '11f4b07',
+            'authorName': 'some developer',
+            'message': {
+                'format': 'plain',
+                'raw': 'This revision provides new features\n\nAn elaborate description',
+                'html': '<p>This revision provides new features<br><br>An elaborate description</p>'
+            },
+            'createdAt': '2015-07-21T13:36:59Z'
+          }
+        };
+        compile();
+      });
+
+      it('should not render an image', function() {
+        expect(element.find('.avatar')).to.have.length(0);
+      });
+
+      it('should have the author name, but no link', function() {
+        expect(element.find('.user').html()).to.equal('some developer');
+        expect(element.find('.user > a')).to.have.length(0);
+      });
+
+      describe('with linked author', function() {
+        beforeEach(function() {
+          scope.activity.links.author = {
+            fetch: function() {
+              return {
+                then: function(cb) {
+                  cb({
+                    props: {
+                      id: 1,
+                      name: 'Some Dude',
+                      avatar: 'avatar.png',
+                      status: 'active'
+                    }
+                  });
+                }
+              };
+            }
+          };
+          compile();
+        });
+
+        it('should render a user profile', function() {
+          expect(element.find('.avatar').attr('alt')).to.equal('Avatar');
+          expect(element.find('span.user > a').text()).to.equal('Some Dude');
+        });
+      });
+
+      describe('message', function() {
+        it('should render commit message', function() {
+          var message = element.find('span.user-comment > span.message').html();
+
+          expect(message).to.eq(scope.activity.props.message.html);
+        });
+      });
+
+      describe('revision identifier', function() {
+        it('should render the identifier', function() {
+          expect(element.find('span.date > a').attr('title'))
+            .to.equal('11f4b07dff4f4ce9548a52b7d002daca7cd63ec6');
+        });
+      });
+    });
+});
diff --git a/frontend/tests/unit/tests/work_packages/tabs/user-activity-directive-test.js b/frontend/tests/unit/tests/work_packages/activities/user-activity-directive-test.js
similarity index 98%
rename from frontend/tests/unit/tests/work_packages/tabs/user-activity-directive-test.js
rename to frontend/tests/unit/tests/work_packages/activities/user-activity-directive-test.js
index 7524139e49..a8ff09e5d9 100644
--- a/frontend/tests/unit/tests/work_packages/tabs/user-activity-directive-test.js
+++ b/frontend/tests/unit/tests/work_packages/activities/user-activity-directive-test.js
@@ -31,7 +31,7 @@
 describe('userActivity Directive', function() {
     var compile, element, rootScope, scope;
 
-    beforeEach(angular.mock.module('openproject.workPackages.tabs'));
+    beforeEach(angular.mock.module('openproject.workPackages.activities'));
     beforeEach(function() {
       module(
         'ng-context-menu',