fix up tests

Added more exceptions

Added handling inline view type

app/assets/javascripts/files_comment_button.js.coffee

@@ -8,11 +8,16 @@ class @FilesCommentButton
     @LINE_HOLDER_CLASS = '.line_holder'
     @LINE_NUMBER_CLASS = 'diff-line-num'
     @LINE_CONTENT_CLASS = 'line_content'
+    @UNFOLDABLE_LINE_CLASS = 'js-unfold'
+    @EMPTY_CELL_CLASS = 'empty-cell'
+    @OLD_LINE_CLASS = 'old_line'
     @LINE_COLUMN_CLASSES = ".#{@LINE_NUMBER_CLASS}, .line_content"
     @TEXT_FILE_SELECTOR = '.text-file'
 
     @DEBOUNCE_TIMEOUT_DURATION = 150
 
+    @VIEW_TYPE = $('input#view[type=hidden]').val()
+
     $(document)
       .on 'mouseover', @LINE_COLUMN_CLASSES, @debounceRender
       .on 'mouseleave', @LINE_COLUMN_CLASSES, @destroy
@@ -38,13 +43,13 @@ class @FilesCommentButton
       id:
         noteable: textFileElement.attr 'data-noteable-id'
         commit: textFileElement.attr 'data-commit-id'
-        discussion: lineContentElement.attr('data-discussion-id') || lineHolderElement.attr('data-discussion-id')
+        discussion: lineContentElement.attr('data-discussion-id') or lineHolderElement.attr('data-discussion-id')
       type:
         noteable: textFileElement.attr 'data-noteable-type'
         note: textFileElement.attr 'data-note-type'
         line: lineContentElement.attr 'data-line-type'
       code:
-        line: lineContentElement.attr('data-line-code') || lineHolderElement.attr('id')
+        line: lineContentElement.attr('data-line-code') or lineHolderElement.attr('id')
     return
 
   destroy: (e) =>
@@ -70,14 +75,17 @@ class @FilesCommentButton
     $(hoveredElement.parent())
 
   getLineNum: (hoveredElement) ->
-    return hoveredElement if hoveredElement.hasClass @LINE_NUMBER_CLASS
+    if @VIEW_TYPE is 'inline' and hoveredElement.hasClass @OLD_LINE_CLASS
-
+      $(hoveredElement).next ".#{@LINE_NUMBER_CLASS}"
-    $(hoveredElement).prev('.' + @LINE_NUMBER_CLASS)
+    else if hoveredElement.hasClass @LINE_NUMBER_CLASS
+      hoveredElement
+    else
+      $(hoveredElement).prev ".#{@LINE_NUMBER_CLASS}"
 
   getLineContent: (hoveredElement) ->
     return hoveredElement if hoveredElement.hasClass @LINE_CONTENT_CLASS
 
-    $(hoveredElement).next('.' + @LINE_CONTENT_CLASS)
+    $(hoveredElement).next ".#{@LINE_CONTENT_CLASS}"
 
   isMovingToSameType: (e) ->
     newLineNum = @getLineNum($(e.toElement))
@@ -85,4 +93,6 @@ class @FilesCommentButton
     (newLineNum).is @getLineNum($(e.currentTarget))
 
   shouldRender: (e, buttonParentElement) ->
-    (!buttonParentElement.hasClass('empty-cell') and $(@COMMENT_BUTTON_CLASS, buttonParentElement).length is 0)
+    (!buttonParentElement.hasClass(@EMPTY_CELL_CLASS) and \
+    !buttonParentElement.hasClass(@UNFOLDABLE_LINE_CLASS) and \
+    $(@COMMENT_BUTTON_CLASS, buttonParentElement).length is 0)

app/helpers/diff_helper.rb

@@ -39,7 +39,7 @@ module DiffHelper
   end
 
   def unfold_bottom_class(bottom)
-    bottom ? 'js-unfold-bottom' : ''
+    bottom ? 'js-unfold js-unfold-bottom' : ''
   end
 
   def unfold_class(unfold)

features/steps/shared/diff_note.rb

@@ -25,8 +25,7 @@ module SharedDiffNote
 
       page.within("form[id$='#{sample_commit.line_code}-true']") do
         fill_in "note[note]", with: "Typo, please fix"
-        find(".js-comment-button").trigger("click")
+        find(".js-comment-button").click
-        sleep 0.05
       end
     end
   end
@@ -35,7 +34,7 @@ module SharedDiffNote
     click_parallel_diff_line(sample_commit.del_line_code, 'old')
     page.within("#{diff_file_selector} form[id$='#{sample_commit.del_line_code}-true']") do
       fill_in "note[note]", with: "Old comment"
-      find(".js-comment-button").trigger("click")
+      find(".js-comment-button").click
     end
   end
 
@@ -43,7 +42,7 @@ module SharedDiffNote
     click_parallel_diff_line(sample_commit.line_code, 'new')
     page.within("#{diff_file_selector} form[id$='#{sample_commit.line_code}-true']") do
       fill_in "note[note]", with: "New comment"
-      find(".js-comment-button").trigger("click")
+      find(".js-comment-button").click
     end
   end
 
@@ -211,7 +210,7 @@ module SharedDiffNote
   end
 
   step 'I click side-by-side diff button' do
-    find('#parallel-diff-btn').trigger('click')
+    find('#parallel-diff-btn').click
   end
 
   step 'I see side-by-side diff button' do
@@ -223,12 +222,12 @@ module SharedDiffNote
   end
 
   def click_diff_line(code)
-    find(".line_holder[id='#{code}'] td:nth-of-type(1)").hover
+    find(".line_holder[id='#{code}'] td:nth-of-type(1)").trigger 'mouseover'
-    find(".line_holder[id='#{code}'] button").trigger('click')
+    find(".line_holder[id='#{code}'] button").trigger 'click'
   end
 
   def click_parallel_diff_line(code, line_type)
-    find(".line_content.parallel.#{line_type}[data-line-code='#{code}']").trigger('mouseover')
+    find(".line_content.parallel.#{line_type}[data-line-code='#{code}']").trigger 'mouseover'
-    find(".line_holder.parallel button[data-line-code='#{code}']").trigger('click')
+    find(".line_holder.parallel button[data-line-code='#{code}']").trigger 'click'
   end
 end

spec/helpers/diff_helper_spec.rb

@@ -59,7 +59,7 @@ describe DiffHelper do
     end
 
     it 'should return js class when bottom lines should be unfolded' do
-      expect(unfold_bottom_class(true)).to eq('js-unfold-bottom')
+      expect(unfold_bottom_class(true)).to include('js-unfold-bottom')
     end
   end