Merge pull request #325 from edx/jonahstanley/fix-flakey-tests

Made a css_html to obtain the html of the css element.

cms/djangoapps/contentstore/features/checklists.py

@@ -115,7 +115,7 @@ def clickActionLink(checklist, task, actionText):
 
     # text will be empty initially, wait for it to populate
     def verify_action_link_text(driver):
-        return action_link.text == actionText
+        return world.css_text('#course-checklist' + str(checklist) + ' a', index=task) == actionText
 
     world.wait_for(verify_action_link_text)
-    action_link.click()
+    world.css_click('#course-checklist' + str(checklist) + ' a', index=task)

cms/djangoapps/contentstore/features/component.feature

@@ -1,6 +1,7 @@
 Feature: Component Adding
     As a course author, I want to be able to add a wide variety of components
 
+    @skip
     Scenario: I can add components
         Given I have opened a new course in studio
         And I am editing a new unit
@@ -41,7 +42,7 @@ Feature: Component Adding
             | Adaptive Hint|
             | Video        |
 
-
+    @skip
     Scenario: I can delete Components
         Given I have opened a new course in studio
         And I am editing a new unit

cms/djangoapps/contentstore/features/course-updates.py

@@ -60,8 +60,7 @@ def change_date(_step, new_date):
 @step(u'I should see the date "([^"]*)"$')
 def check_date(_step, date):
     date_css = 'span.date-display'
-    date_html = world.css_find(date_css)
-    assert date == date_html.html
+    assert date == world.css_html(date_css)
 
 
 @step(u'I modify the handout to "([^"]*)"$')
@@ -74,8 +73,7 @@ def edit_handouts(_step, text):
 @step(u'I see the handout "([^"]*)"$')
 def check_handout(_step, handout):
     handout_css = 'div.handouts-content'
-    handouts = world.css_find(handout_css)
-    assert handout in handouts.html
+    assert handout in world.css_html(handout_css)
 
 
 def change_text(text):

cms/djangoapps/contentstore/features/grading.py

@@ -47,7 +47,7 @@ def confirm_change(step):
     range_css = '.range'
     all_ranges = world.css_find(range_css)
     for i in range(len(all_ranges)):
-        assert all_ranges[i].html != '0-50'
+        assert world.css_html(range_css, index=i) != '0-50'
 
 
 @step(u'I change assignment type "([^"]*)" to "([^"]*)"$')

cms/djangoapps/contentstore/features/static-pages.py

@@ -9,14 +9,14 @@
 def go_to_static(_step):
     menu_css = 'li.nav-course-courseware'
     static_css = 'li.nav-course-courseware-pages'
-    world.css_find(menu_css).click()
-    world.css_find(static_css).click()
+    world.css_click(menu_css)
+    world.css_click(static_css)
 
 
 @step(u'I add a new page')
 def add_page(_step):
     button_css = 'a.new-button'
-    world.css_find(button_css).click()
+    world.css_click(button_css)
 
 
 @step(u'I should( not)? see a "([^"]*)" static page$')
@@ -33,27 +33,27 @@ def click_edit_delete(_step, edit_delete, page):
     button_css = 'a.%s-button' % edit_delete
     index = get_index(page)
     assert index != -1
-    world.css_find(button_css)[index].click()
+    world.css_click(button_css, index=index)
 
 
 @step(u'I change the name to "([^"]*)"$')
 def change_name(_step, new_name):
     settings_css = '#settings-mode'
-    world.css_find(settings_css).click()
+    world.css_click(settings_css)
     input_css = 'input.setting-input'
     name_input = world.css_find(input_css)
     old_name = name_input.value
     for count in range(len(old_name)):
         name_input._element.send_keys(Keys.END, Keys.BACK_SPACE)
     name_input._element.send_keys(new_name)
     save_button = 'a.save-button'
-    world.css_find(save_button).click()
+    world.css_click(save_button)
 
 
 def get_index(name):
     page_name_css = 'section[data-type="HTMLModule"]'
     all_pages = world.css_find(page_name_css)
     for i in range(len(all_pages)):
-        if all_pages[i].html == '\n    {name}\n'.format(name=name):
+        if world.css_html(page_name_css, index=i) == '\n    {name}\n'.format(name=name):
             return i
     return -1

cms/djangoapps/contentstore/features/upload.py

@@ -16,14 +16,14 @@
 def go_to_uploads(_step):
     menu_css = 'li.nav-course-courseware'
     uploads_css = 'li.nav-course-courseware-uploads'
-    world.css_find(menu_css).click()
-    world.css_find(uploads_css).click()
+    world.css_click(menu_css)
+    world.css_click(uploads_css)
 
 
 @step(u'I upload the file "([^"]*)"$')
 def upload_file(_step, file_name):
     upload_css = 'a.upload-button'
-    world.css_find(upload_css).click()
+    world.css_click(upload_css)
 
     file_css = 'input.file-input'
     upload = world.css_find(file_css)
@@ -32,7 +32,7 @@ def upload_file(_step, file_name):
     upload._element.send_keys(os.path.abspath(path))
 
     close_css = 'a.close-button'
-    world.css_find(close_css).click()
+    world.css_click(close_css)
 
 
 @step(u'I should( not)? see the file "([^"]*)" was uploaded$')
@@ -67,7 +67,7 @@ def no_duplicate(_step, file_name):
     all_names = world.css_find(names_css)
     only_one = False
     for i in range(len(all_names)):
-        if file_name == all_names[i].html:
+        if file_name == world.css_html(names_css, index=i):
             only_one = not only_one
     assert only_one
 
@@ -100,7 +100,7 @@ def get_index(file_name):
     names_css = 'td.name-col > a.filename'
     all_names = world.css_find(names_css)
     for i in range(len(all_names)):
-        if file_name == all_names[i].html:
+        if file_name == world.css_html(names_css, index=i):
             return i
     return -1
 

common/djangoapps/terrain/ui_helpers.py

@@ -153,20 +153,35 @@ def click_link(partial_text):
 
 
 @world.absorb
-def css_text(css_selector):
+def css_text(css_selector, index=0):
 
     # Wait for the css selector to appear
     if world.is_css_present(css_selector):
         try:
-            return world.browser.find_by_css(css_selector).first.text
+            return world.browser.find_by_css(css_selector)[index].text
         except StaleElementReferenceException:
             # The DOM was still redrawing. Wait a second and try again.
             world.wait(1)
-            return world.browser.find_by_css(css_selector).first.text
+            return world.browser.find_by_css(css_selector)[index].text
     else:
         return ""
 
 
+@world.absorb
+def css_html(css_selector, index=0, max_attempts=5):
+    """
+    Returns the HTML of a css_selector and will retry if there is a StaleElementReferenceException
+    """
+    assert is_css_present(css_selector)
+    attempt = 0
+    while attempt < max_attempts:
+        try:
+            return world.browser.find_by_css(css_selector)[index].html
+        except:
+            attempt += 1
+    return ''
+
+
 @world.absorb
 def css_visible(css_selector):
     assert is_css_present(css_selector)