Added acceptance tests.

cms/djangoapps/contentstore/features/video.feature

@@ -2,15 +2,18 @@
 Feature: CMS.Video Component
   As a course author, I want to be able to view my created videos in Studio.
 
+  # 1
   # Video Alpha Features will work in Firefox only when Firefox is the active window
   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
 
+  # 2
   Scenario: Creating a video takes a single click
     Given I have clicked the new unit button
     Then creating a video takes a single click
 
+  # 3
   # Sauce Labs cannot delete cookies
   @skip_sauce
   Scenario: Captions are hidden correctly
@@ -18,12 +21,14 @@ Feature: CMS.Video Component
     And I have hidden captions
     Then when I view the video it does not show the captions
 
+  # 4
   # Sauce Labs cannot delete cookies
   @skip_sauce
   Scenario: Captions are shown correctly
     Given I have created a Video component with subtitles
     Then when I view the video it does show the captions
 
+  # 5
   # Sauce Labs cannot delete cookies
   @skip_sauce
   Scenario: Captions are toggled correctly
@@ -31,7 +36,24 @@ Feature: CMS.Video Component
     And I have toggled captions
     Then when I view the video it does show the captions
 
+  # 6
   Scenario: Video data is shown correctly
     Given I have created a video with only XML data
     And I reload the page
     Then the correct Youtube video is shown
+
+  # 7
+  Scenario: Closed captions become visible when the mouse hovers over CC button
+    Given I have created a Video component with subtitles
+    And Make sure captions are closed
+    Then Captions become invisible
+    And Hover over CC button
+    Then Captions become visible
+
+  # 8
+  Scenario: Open captions never become invisible
+    Given I have created a Video component with subtitles
+    And Make sure captions are open
+    Then Captions become visible
+    And Hover over CC button
+    Then Captions become visible

cms/djangoapps/contentstore/features/video.py

@@ -115,3 +115,30 @@ def the_youtube_video_is_shown(_step):
     world.wait_for_xmodule()
     ele = world.css_find('.video').first
     assert ele['data-streams'].split(':')[1] == world.scenario_dict['YOUTUBE_ID']
+
+
+@step('Make sure captions are (.+)$')
+def make_sure_captions_are_closed(_step, captions_state):
+    if captions_state == 'closed':
+        if world.css_visible('.subtitles'):
+            world.browser.find_by_css('.hide-subtitles').click()
+    else:
+        if not world.css_visible('.subtitles'):
+            world.browser.find_by_css('.hide-subtitles').click()
+
+
+@step('Hover over CC button$')
+def hover_over_cc_button(_step):
+    world.browser.find_by_css('.hide-subtitles').mouse_over()
+
+
+@step('Captions become (.+)$')
+def captions_become_visible(_step, visibility_state):
+    # Captions become invisible by fading out. We must wait.
+    world.wait(2)
+
+    if visibility_state == 'visible':
+        assert world.css_visible('.subtitles')
+    else:
+        assert not world.css_visible('.subtitles')
+

lms/djangoapps/courseware/features/video.feature

@@ -2,38 +2,45 @@
 Feature: LMS.Video component
   As a student, I want to view course videos in LMS.
 
+  # 1
   Scenario: Video component is fully rendered in the LMS in HTML5 mode
     Given the course has a Video component in HTML5 mode
     Then when I view the video it has rendered in HTML5 mode
     And all sources are correct
 
+  # 2
   # Firefox doesn't have HTML5 (only mp4 - fix here)
   @skip_firefox
   Scenario: Autoplay is disabled in LMS for a Video component
     Given the course has a Video component in HTML5 mode
     Then when I view the video it does not have autoplay enabled
 
+  # 3
   # Youtube testing
   Scenario: Video component is fully rendered in the LMS in Youtube mode with HTML5 sources
     Given youtube server is up and response time is  0.4 seconds
     And the course has a Video component in Youtube_HTML5 mode
     Then when I view the video it has rendered in Youtube mode
 
+  # 4
   Scenario: Video component is not rendered in the LMS in Youtube mode with HTML5 sources
     Given youtube server is up and response time is 2 seconds
     And the course has a Video component in Youtube_HTML5 mode
     Then when I view the video it has rendered in HTML5 mode
 
+  # 5
   Scenario: Video component is rendered in the LMS in Youtube mode without HTML5 sources
     Given youtube server is up and response time is 2 seconds
     And the course has a Video component in Youtube mode
     Then when I view the video it has rendered in Youtube mode
 
+  # 6
   Scenario: Video component is rendered in the LMS in Youtube mode with HTML5 sources that doesn't supported by browser
     Given youtube server is up and response time is 2 seconds
     And the course has a Video component in Youtube_HTML5_Unsupported_Video mode
     Then when I view the video it has rendered in Youtube mode
 
+  # 7
   Scenario: Video component is rendered in the LMS in HTML5 mode with HTML5 sources that doesn't supported by browser
     Given the course has a Video component in HTML5_Unsupported_Video mode
     Then error message is shown