Merge branch 'master' of github.com:edx/edx-platform into feature-dcadams-usermanagement

AUTHORS

@@ -74,3 +74,4 @@ Jason Bau <jbau@stanford.edu>
 Frances Botsford <frances@edx.org>
 Jonah Stanley <Jonah_Stanley@brown.edu>
 Slater Victoroff <slater.r.victoroff@gmail.com>
+Peter Fogg <peter.p.fogg@gmail.com>

cms/djangoapps/contentstore/features/advanced-settings.feature

@@ -11,8 +11,6 @@ Feature: Advanced (manual) course policy
     Given I am on the Advanced Course Settings page in Studio
     Then the settings are alphabetized
 
-  # Skipped because Ubuntu ChromeDriver cannot click notification "Cancel"
-  @skip
   Scenario: Test cancel editing key value
     Given I am on the Advanced Course Settings page in Studio
     When I edit the value of a policy key
@@ -21,8 +19,6 @@ Feature: Advanced (manual) course policy
     And I reload the page
     Then the policy key value is unchanged
 
-  # Skipped because Ubuntu ChromeDriver cannot click notification "Save"
-  @skip
   Scenario: Test editing key value
     Given I am on the Advanced Course Settings page in Studio
     When I edit the value of a policy key and save
@@ -30,8 +26,6 @@ Feature: Advanced (manual) course policy
     And I reload the page
     Then the policy key value is changed
 
-  # Skipped because Ubuntu ChromeDriver cannot edit CodeMirror input
-  @skip
   Scenario: Test how multi-line input appears
     Given I am on the Advanced Course Settings page in Studio
     When I create a JSON object as a value
@@ -39,8 +33,6 @@ Feature: Advanced (manual) course policy
     And I reload the page
     Then it is displayed as formatted
 
-  # Skipped because Ubuntu ChromeDriver cannot edit CodeMirror input
-  @skip
   Scenario: Test automatic quoting of non-JSON values
     Given I am on the Advanced Course Settings page in Studio
     When I create a non-JSON value not in quotes

cms/djangoapps/contentstore/features/advanced-settings.py

@@ -42,8 +42,9 @@ def edit_the_value_of_a_policy_key(step):
     It is hard to figure out how to get into the CodeMirror
     area, so cheat and do it from the policy key field :)
     """
-    e = world.css_find(KEY_CSS)[get_index_of(DISPLAY_NAME_KEY)]
-    e._element.send_keys(Keys.TAB, Keys.END, Keys.ARROW_LEFT, ' ', 'X')
+    world.css_find(".CodeMirror")[get_index_of(DISPLAY_NAME_KEY)].click()
+    g = world.css_find("div.CodeMirror.CodeMirror-focused > div > textarea")
+    g._element.send_keys(Keys.ARROW_LEFT, ' ', 'X')
 
 
 @step(u'I edit the value of a policy key and save$')
@@ -123,10 +124,12 @@ def get_display_name_value():
 
 
 def change_display_name_value(step, new_value):
-    e = world.css_find(KEY_CSS)[get_index_of(DISPLAY_NAME_KEY)]
+
+    world.css_find(".CodeMirror")[get_index_of(DISPLAY_NAME_KEY)].click()
+    g = world.css_find("div.CodeMirror.CodeMirror-focused > div > textarea")
     display_name = get_display_name_value()
     for count in range(len(display_name)):
-        e._element.send_keys(Keys.TAB, Keys.END, Keys.BACK_SPACE)
+        g._element.send_keys(Keys.END, Keys.BACK_SPACE)
         # Must delete "" before typing the JSON value
-    e._element.send_keys(Keys.TAB, Keys.END, Keys.BACK_SPACE, Keys.BACK_SPACE, new_value)
+    g._element.send_keys(Keys.END, Keys.BACK_SPACE, Keys.BACK_SPACE, new_value)
     press_the_notification_button(step, "Save")

cms/djangoapps/contentstore/features/common.py

@@ -161,3 +161,11 @@ def i_created_a_video_component(step):
         'i4x://edx/templates/video/default',
         '.xmodule_VideoModule'
     )
+
+
+@step('I have clicked the new unit button')
+def open_new_unit(step):
+    step.given('I have opened a new course section in Studio')
+    step.given('I have added a new subsection')
+    step.given('I expand the first section')
+    world.css_click('a.new-unit-item')

cms/djangoapps/contentstore/features/component_settings_editor_helpers.py

@@ -14,20 +14,27 @@ def create_component_instance(step, component_button_css, instance_id, expected_
 
 @world.absorb
 def click_new_component_button(step, component_button_css):
-    step.given('I have opened a new course section in Studio')
-    step.given('I have added a new subsection')
-    step.given('I expand the first section')
-    world.css_click('a.new-unit-item')
+    step.given('I have clicked the new unit button')
     world.css_click(component_button_css)
 
 
 @world.absorb
 def click_component_from_menu(instance_id, expected_css):
+    """
+    Creates a component from `instance_id`. For components with more
+    than one template, clicks on `elem_css` to create the new
+    component. Components with only one template are created as soon
+    as the user clicks the appropriate button, so we assert that the
+    expected component is present.
+    """
     elem_css = "a[data-location='%s']" % instance_id
-    assert_equal(1, len(world.css_find(elem_css)))
-    world.css_click(elem_css)
+    elements = world.css_find(elem_css)
+    assert(len(elements) == 1)
+    if elements[0]['id'] == instance_id:  # If this is a component with multiple templates
+        world.css_click(elem_css)
     assert_equal(1, len(world.css_find(expected_css)))
 
+
 @world.absorb
 def edit_component_and_select_settings():
     world.css_click('a.edit-button')

cms/djangoapps/contentstore/features/discussion-editor.feature

@@ -11,3 +11,7 @@ Feature: Discussion Component Editor
     And I edit and select Settings
     Then I can modify the display name
     And my display name change is persisted on save
+
+  Scenario: Creating a discussion takes a single click
+    Given I have clicked the new unit button
+    Then creating a discussion takes a single click

cms/djangoapps/contentstore/features/discussion-editor.py

@@ -21,3 +21,10 @@ def i_see_only_the_settings_and_values(step):
             ['Display Name', "Discussion Tag", True],
             ['Subcategory', "Topic-Level Student-Visible Label", True]
         ])
+
+
+@step('creating a discussion takes a single click')
+def discussion_takes_a_single_click(step):
+    assert(not world.is_css_present('.xmodule_DiscussionModule'))
+    world.css_click("a[data-location='i4x://edx/templates/discussion/Discussion_Tag']")
+    assert(world.is_css_present('.xmodule_DiscussionModule'))

cms/djangoapps/contentstore/features/video.feature

@@ -4,3 +4,7 @@ Feature: Video Component
   Scenario: Autoplay is disabled in Studio
     Given I have created a Video component
     Then when I view the video it does not have autoplay enabled
+
+  Scenario: Creating a video takes a single click
+    Given I have clicked the new unit button
+    Then creating a video takes a single click

cms/djangoapps/contentstore/features/video.py

@@ -9,3 +9,10 @@ from lettuce import world, step
 def does_not_autoplay(step):
     assert world.css_find('.video')[0]['data-autoplay'] == 'False'
     assert world.css_find('.video_control')[0].has_class('play')
+
+
+@step('creating a video takes a single click')
+def video_takes_a_single_click(step):
+    assert(not world.is_css_present('.xmodule_VideoModule'))
+    world.css_click("a[data-location='i4x://edx/templates/video/default']")
+    assert(world.is_css_present('.xmodule_VideoModule'))

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -77,14 +77,25 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         self.client = Client()
         self.client.login(username=uname, password=password)
 
-    def test_advanced_components_in_edit_unit(self):
+    def check_components_on_page(self, component_types, expected_types):
+        """
+        Ensure that the right types end up on the page.
+
+        component_types is the list of advanced components.
+
+        expected_types is the list of elements that should appear on the page.
+
+        expected_types and component_types should be similar, but not
+        exactly the same -- for example, 'videoalpha' in
+        component_types should cause 'Video Alpha' to be present.
+        """
         store = modulestore('direct')
         import_from_xml(store, 'common/test/data/', ['simple'])
 
         course = store.get_item(Location(['i4x', 'edX', 'simple',
                                           'course', '2012_Fall', None]), depth=None)
 
-        course.advanced_modules = ADVANCED_COMPONENT_TYPES
+        course.advanced_modules = component_types
 
         store.update_metadata(course.location, own_metadata(course))
 
@@ -94,13 +105,20 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
         self.assertEqual(resp.status_code, 200)
 
+        for expected in expected_types:
+            self.assertIn(expected, resp.content)
+
+    def test_advanced_components_in_edit_unit(self):
         # This could be made better, but for now let's just assert that we see the advanced modules mentioned in the page
         # response HTML
-        self.assertIn('Video Alpha', resp.content)
-        self.assertIn('Word cloud', resp.content)
-        self.assertIn('Annotation', resp.content)
-        self.assertIn('Open Ended Response', resp.content)
-        self.assertIn('Peer Grading Interface', resp.content)
+        self.check_components_on_page(ADVANCED_COMPONENT_TYPES, ['Video Alpha',
+                                                                 'Word cloud',
+                                                                 'Annotation',
+                                                                 'Open Ended Response',
+                                                                 'Peer Grading Interface'])
+
+    def test_advanced_components_require_two_clicks(self):
+        self.check_components_on_page(['videoalpha'], ['Video Alpha'])
 
     def check_edit_unit(self, test_course_name):
         import_from_xml(modulestore('direct'), 'common/test/data/', [test_course_name])

cms/envs/aws.py

@@ -91,6 +91,12 @@ CACHES = ENV_TOKENS['CACHES']
 
 SESSION_COOKIE_DOMAIN = ENV_TOKENS.get('SESSION_COOKIE_DOMAIN')
 
+# allow for environments to specify what cookie name our login subsystem should use
+# this is to fix a bug regarding simultaneous logins between edx.org and edge.edx.org which can
+# happen with some browsers (e.g. Firefox)
+if ENV_TOKENS.get('SESSION_COOKIE_NAME', None):
+    SESSION_COOKIE_NAME = ENV_TOKENS.get('SESSION_COOKIE_NAME')
+
 #Email overrides
 DEFAULT_FROM_EMAIL = ENV_TOKENS.get('DEFAULT_FROM_EMAIL', DEFAULT_FROM_EMAIL)
 DEFAULT_FEEDBACK_EMAIL = ENV_TOKENS.get('DEFAULT_FEEDBACK_EMAIL', DEFAULT_FEEDBACK_EMAIL)

cms/static/coffee/src/views/unit.coffee

 class CMS.Views.UnitEdit extends Backbone.View
   events:
-    'click .new-component .new-component-type a': 'showComponentTemplates'
+    'click .new-component .new-component-type a.multiple-templates': 'showComponentTemplates'
+    'click .new-component .new-component-type a.single-template': 'saveNewComponent'
     'click .new-component .cancel-button': 'closeNewComponent'
     'click .new-component-templates .new-component-template a': 'saveNewComponent'
     'click .new-component-templates .cancel-button': 'closeNewComponent'

cms/templates/unit.html

@@ -53,9 +53,15 @@
               <div class="new-component">
                 <h5>Add New Component</h5>
                 <ul class="new-component-type">
-                  % for type in sorted(component_templates.keys()):
+                  % for type, templates in sorted(component_templates.items()):
                   <li>
-                    <a href="#" data-type="${type}">
+                  % if type == 'advanced' or len(templates) > 1:
+                    <a href="#" class="multiple-templates" data-type="${type}">
+                  % else:
+                    % for _, location, _ in templates:
+                    <a href="#" class="single-template" data-type="${type}" data-location="${location}">
+                    % endfor
+                  % endif
                       <span class="large-template-icon large-${type}-icon"></span>
                       <span class="name">${type}</span>
                     </a>
@@ -64,50 +70,52 @@
                 </ul>
               </div>
                 % for type, templates in sorted(component_templates.items()):
+                  % if len(templates) > 1 or type == 'advanced':
                 <div class="new-component-templates new-component-${type}">
                     % if type == "problem":
-                    <div class="tab-group tabs">
-                            <ul class="problem-type-tabs nav-tabs">
-                              <li class="current">
-                                <a class="link-tab" href="#tab1">Common Problem Types</a>
-                              </li>
-                              <li>
-                                <a class="link-tab" href="#tab2">Advanced</a>
-                              </li>
-                            </ul>
-                    % endif
-                        <div class="tab current" id="tab1">
-                          <ul class="new-component-template">
-                              % for name, location, has_markdown in templates:
-                                % if has_markdown or type != "problem":
-                                  <li class="editor-md">
-                                    <a href="#" id="${location}" data-location="${location}">
-                                      <span class="name"> ${name}</span>
-                                    </a>
-                                  </li>
-                                % endif
-
-                              %endfor
-                          </ul>
-                        </div>
-                    % if type == "problem":
-                            <div class="tab" id="tab2">
-                              <ul class="new-component-template">
-                                  % for name, location, has_markdown in templates:
-                                    % if not has_markdown:
-                                      <li class="editor-manual">
-                                        <a href="#" id="${location}" data-location="${location}">
-                                          <span class="name"> ${name}</span>
-                                        </a>
-                                      </li>
-                                    % endif
-                                  % endfor
+                      <div class="tab-group tabs">
+                              <ul class="problem-type-tabs nav-tabs">
+                                <li class="current">
+                                  <a class="link-tab" href="#tab1">Common Problem Types</a>
+                                </li>
+                                <li>
+                                  <a class="link-tab" href="#tab2">Advanced</a>
+                                </li>
                               </ul>
-                            </div>
-                    </div>
-                    % endif
-                    <a href="#" class="cancel-button">Cancel</a>
-                </div>
+                      % endif
+                          <div class="tab current" id="tab1">
+                            <ul class="new-component-template">
+                                % for name, location, has_markdown in templates:
+                                  % if has_markdown or type != "problem":
+                                    <li class="editor-md">
+                                      <a href="#" id="${location}" data-location="${location}">
+                                        <span class="name"> ${name}</span>
+                                      </a>
+                                    </li>
+                                  % endif
+  
+                                %endfor
+                            </ul>
+                          </div>
+                      % if type == "problem":
+                              <div class="tab" id="tab2">
+                                <ul class="new-component-template">
+                                    % for name, location, has_markdown in templates:
+                                      % if not has_markdown:
+                                        <li class="editor-manual">
+                                          <a href="#" id="${location}" data-location="${location}">
+                                            <span class="name"> ${name}</span>
+                                          </a>
+                                        </li>
+                                      % endif
+                                    % endfor
+                                </ul>
+                              </div>
+                      </div>
+                      % endif
+                      <a href="#" class="cancel-button">Cancel</a>
+                  </div>
+                  % endif
                 % endfor
             </li>
           </ol>

common/djangoapps/mitxmako/makoloader.py

@@ -44,7 +44,11 @@ class MakoLoader(object):
 
         if source.startswith("## mako\n"):
             # This is a mako template
-            template = Template(filename=file_path, module_directory=self.module_directory, uri=template_name)
+            template = Template(filename=file_path,
+                                module_directory=self.module_directory,
+                                input_encoding='utf-8',
+                                output_encoding='utf-8',
+                                uri=template_name)
             return template, None
         else:
             # This is a regular template

common/djangoapps/mitxmako/management/commands/preprocess_assets.py

@@ -14,6 +14,7 @@ from django.core.management.base import NoArgsCommand
 from django.conf import settings
 
 from mako.template import Template
+import textwrap
 
 class Command(NoArgsCommand):
     """
@@ -61,5 +62,12 @@ class Command(NoArgsCommand):
         result in `outfile`.
         """
         with open(outfile, "w") as _outfile:
+            _outfile.write(textwrap.dedent("""\
+            /*
+             * This file is dynamically generated and ignored by Git.
+             * DO NOT MAKE CHANGES HERE. Instead, go edit its template:
+             * %s
+             */
+            """ % infile))
             _outfile.write(Template(filename=str(infile)).render(env=self.__context()))
 

common/djangoapps/terrain/browser.py

@@ -87,8 +87,8 @@ def reset_data(scenario):
     LOGGER.debug("Flushing the test database...")
     call_command('flush', interactive=False)
 
-
-@after.each_scenario
+# Uncomment below to trigger a screenshot on error
+# @after.each_scenario
 def screenshot_on_error(scenario):
     """
     Save a screenshot to help with debugging.

common/lib/xmodule/xmodule/error_module.py

@@ -121,7 +121,7 @@ class ErrorDescriptor(ErrorFields, JSONEditingDescriptor):
     def from_descriptor(cls, descriptor, error_msg='Error not available'):
         return cls._construct(
             descriptor.system,
-            descriptor._model_data,
+            str(descriptor),
             error_msg,
             location=descriptor.location,
         )

common/lib/xmodule/xmodule/html_module.py

@@ -32,6 +32,8 @@ class HtmlModule(HtmlFields, XModule):
     css = {'scss': [resource_string(__name__, 'css/html/display.scss')]}
 
     def get_html(self):
+        if self.system.anonymous_student_id: 
+            return self.data.replace("%%USER_ID%%", self.system.anonymous_student_id)
         return self.data
 
 

common/lib/xmodule/xmodule/tests/test_error_module.py

@@ -4,6 +4,9 @@ Tests for ErrorModule and NonStaffErrorModule
 import unittest
 from xmodule.tests import test_system
 import xmodule.error_module as error_module
+from xmodule.modulestore import Location
+from xmodule.x_module import XModuleDescriptor
+from mock import MagicMock
 
 
 class TestErrorModule(unittest.TestCase):
@@ -14,22 +17,33 @@ class TestErrorModule(unittest.TestCase):
         self.system = test_system()
         self.org = "org"
         self.course = "course"
-        self.fake_xml = "<problem />"
+        self.location = Location(['i4x', self.org, self.course, None, None])
+        self.valid_xml = "<problem />"
         self.broken_xml = "<problem>"
         self.error_msg = "Error"
 
-    def test_error_module_create(self):
+    def test_error_module_xml_rendering(self):
         descriptor = error_module.ErrorDescriptor.from_xml(
-            self.fake_xml, self.system, self.org, self.course)
+            self.valid_xml, self.system, self.org, self.course, self.error_msg)
         self.assertTrue(isinstance(descriptor, error_module.ErrorDescriptor))
-
-    def test_error_module_rendering(self):
-        descriptor = error_module.ErrorDescriptor.from_xml(
-            self.fake_xml, self.system, self.org, self.course, self.error_msg)
         module = descriptor.xmodule(self.system)
         rendered_html = module.get_html()
         self.assertIn(self.error_msg, rendered_html)
-        self.assertIn(self.fake_xml, rendered_html)
+        self.assertIn(self.valid_xml, rendered_html)
+
+    def test_error_module_from_descriptor(self):
+        descriptor = MagicMock([XModuleDescriptor],
+                               system=self.system,
+                               location=self.location,
+                               _model_data=self.valid_xml)
+
+        error_descriptor = error_module.ErrorDescriptor.from_descriptor(
+            descriptor, self.error_msg)
+        self.assertTrue(isinstance(error_descriptor, error_module.ErrorDescriptor))
+        module = error_descriptor.xmodule(self.system)
+        rendered_html = module.get_html()
+        self.assertIn(self.error_msg, rendered_html)
+        self.assertIn(str(descriptor), rendered_html)
 
 
 class TestNonStaffErrorModule(TestErrorModule):
@@ -39,13 +53,27 @@ class TestNonStaffErrorModule(TestErrorModule):
 
     def test_non_staff_error_module_create(self):
         descriptor = error_module.NonStaffErrorDescriptor.from_xml(
-            self.fake_xml, self.system, self.org, self.course)
+            self.valid_xml, self.system, self.org, self.course)
         self.assertTrue(isinstance(descriptor, error_module.NonStaffErrorDescriptor))
 
-    def test_non_staff_error_module_rendering(self):
+    def test_from_xml_render(self):
         descriptor = error_module.NonStaffErrorDescriptor.from_xml(
-            self.fake_xml, self.system, self.org, self.course)
+            self.valid_xml, self.system, self.org, self.course)
         module = descriptor.xmodule(self.system)
         rendered_html = module.get_html()
         self.assertNotIn(self.error_msg, rendered_html)
-        self.assertNotIn(self.fake_xml, rendered_html)
+        self.assertNotIn(self.valid_xml, rendered_html)
+
+    def test_error_module_from_descriptor(self):
+        descriptor = MagicMock([XModuleDescriptor],
+                               system=self.system,
+                               location=self.location,
+                               _model_data=self.valid_xml)
+
+        error_descriptor = error_module.NonStaffErrorDescriptor.from_descriptor(
+            descriptor, self.error_msg)
+        self.assertTrue(isinstance(error_descriptor, error_module.ErrorDescriptor))
+        module = error_descriptor.xmodule(self.system)
+        rendered_html = module.get_html()
+        self.assertNotIn(self.error_msg, rendered_html)
+        self.assertNotIn(str(descriptor), rendered_html)

common/lib/xmodule/xmodule/tests/test_html_module.py

+import unittest
+
+from mock import Mock
+
+from xmodule.html_module import HtmlModule
+from xmodule.modulestore import Location
+
+from . import test_system
+
+class HtmlModuleSubstitutionTestCase(unittest.TestCase):
+    location = Location(["i4x", "edX", "toy", "html", "simple_html"])
+    descriptor = Mock()
+
+    def test_substitution_works(self):
+        sample_xml = '''%%USER_ID%%'''
+        module_data = {'data': sample_xml}
+        module_system = test_system()
+        module = HtmlModule(module_system, self.location, self.descriptor, module_data)
+        self.assertEqual(module.get_html(), str(module_system.anonymous_student_id))
+
+
+    def test_substitution_without_magic_string(self):
+        sample_xml = '''
+            <html>
+                <p>Hi USER_ID!11!</p>
+            </html>
+        '''
+        module_data = {'data': sample_xml}
+        module = HtmlModule(test_system(), self.location, self.descriptor, module_data)
+        self.assertEqual(module.get_html(), sample_xml)
+
+
+    def test_substitution_without_anonymous_student_id(self):
+        sample_xml = '''%%USER_ID%%'''
+        module_data = {'data': sample_xml}
+        module_system = test_system()
+        module_system.anonymous_student_id = None
+        module = HtmlModule(module_system, self.location, self.descriptor, module_data)
+        self.assertEqual(module.get_html(), sample_xml)
+

lms/djangoapps/courseware/module_render.py

@@ -335,9 +335,8 @@ def get_module_for_descriptor(user, request, descriptor, model_data_cache, cours
         else:
             err_descriptor_class = NonStaffErrorDescriptor
 
-        err_descriptor = err_descriptor_class.from_xml(
-            str(descriptor), descriptor.system,
-            org=descriptor.location.org, course=descriptor.location.course,
+        err_descriptor = err_descriptor_class.from_descriptor(
+            descriptor,
             error_msg=exc_info_to_str(sys.exc_info())
         )
 

lms/envs/aws.py

@@ -102,6 +102,12 @@ with open(ENV_ROOT / CONFIG_PREFIX + "env.json") as env_file:
 SITE_NAME = ENV_TOKENS['SITE_NAME']
 SESSION_COOKIE_DOMAIN = ENV_TOKENS.get('SESSION_COOKIE_DOMAIN')
 
+# allow for environments to specify what cookie name our login subsystem should use
+# this is to fix a bug regarding simultaneous logins between edx.org and edge.edx.org which can
+# happen with some browsers (e.g. Firefox)
+if ENV_TOKENS.get('SESSION_COOKIE_NAME', None):
+    SESSION_COOKIE_NAME = ENV_TOKENS.get('SESSION_COOKIE_NAME')
+
 BOOK_URL = ENV_TOKENS['BOOK_URL']
 MEDIA_URL = ENV_TOKENS['MEDIA_URL']
 LOG_DIR = ENV_TOKENS['LOG_DIR']

lms/static/sass/course/layout/_courseware_header.scss

@@ -62,7 +62,8 @@ nav.course-material {
 
 header.global.slim {
   @include box-shadow(0 1px 2px rgba(0, 0, 0, .1));
-  height: 50px;
+  height: auto;
+  padding: 5px 0 10px 0;
   border-bottom: 1px solid $outer-border-color;
   background: $white;
 
@@ -106,16 +107,15 @@ header.global.slim {
     padding-top: 5px;
   }
 
-  h1.logo {    
-    margin-left: 13px;
-    margin-right: 20px;
+  h1.logo {
+    margin: 0 10px 0 13px;
     padding-right: 20px;
 
     &:before {
       @extend .faded-vertical-divider;
       content: "";
       display: block;
-      height: 40px;
+      height: 35px;
       position: absolute;
       right: 3px;
       top: 0;
@@ -126,12 +126,16 @@ header.global.slim {
       @extend .faded-vertical-divider-light;
       content: "";
       display: block;
-      height: 40px;
+      height: 35px;
       position: absolute;
-      right: 0px;
+      right: 0;
       top: 0;
       width: 1px;
     }
+
+    img {
+      height: 30px;
+    }
   }
 
   .nav-global {
@@ -147,6 +151,7 @@ header.global.slim {
     color: #777;
     letter-spacing: 0;
     margin-top: 9px;
+    margin-bottom: 0;
     text-transform: none;
     text-shadow: 0 1px 0 #fff;
     white-space: nowrap;
@@ -168,4 +173,4 @@ header.global.slim {
     font-weight: bold;
     letter-spacing: 0;
   }
-}
+}
\ No newline at end of file

lms/templates/navigation.html

@@ -39,7 +39,7 @@ site_status_msg = get_site_status_msg(course_id)
 
   <h1 class="logo">
       <a href="${marketing_link('ROOT')}">
-        <img src="${static.url(branding.get_logo_url(request.META.get('HTTP_HOST')))}"/>
+        <img src="${static.url(branding.get_logo_url(request.META.get('HTTP_HOST')))}" alt="edX home" />
       </a></h1>
 
     % if course:

rakefiles/assets.rake

@@ -27,10 +27,11 @@ def coffee_cmd(watch=false, debug=false)
         #
         # Ref: https://github.com/joyent/node/issues/2479
         #
-        # Instead, watch 50 files per process in parallel
+        # Rather than watching all of the directories in one command
+        # watch each static files subdirectory separately
         cmds = []
-        Dir['*/static/**/*.coffee'].each_slice(50) do |coffee_files|
-            cmds << "node_modules/.bin/coffee --watch --compile #{coffee_files.join(' ')}"
+        ['lms/static/coffee', 'cms/static/coffee', 'common/static/coffee', 'common/static/xmodule'].each do |coffee_folder|
+            cmds << "node_modules/.bin/coffee --watch --compile #{coffee_folder}"
         end
         cmds
     else
@@ -119,12 +120,15 @@ namespace :assets do
     namespace :sass do
         # In watch mode, sass doesn't immediately compile out of date files,
         # so force a recompile first
-        task :_watch => 'assets:sass:debug'
+        # Also force xmodule files to be generated before we start watching anything
+        task :_watch => ['assets:sass:debug', 'assets:xmodule']
         multitask :debug => 'assets:xmodule:debug'
     end
 
     multitask :coffee => 'assets:xmodule'
     namespace :coffee do
+        # Force xmodule files to be generated before we start watching anything
+        task :_watch => 'assets:xmodule'
         multitask :debug => 'assets:xmodule:debug'
     end
 end

requirements/edx-sandbox/base.txt

 numpy==1.6.2
+networkx==1.7
+sympy==0.7.1
\ No newline at end of file