[#2280] Added a Billable cell with the green checkbox depending on if a

Time Entry is billable or not.

spec/lib/overhead_timesheet_hook_spec.rb

@@ -5,3 +5,32 @@ describe OverheadTimesheetHook, "#plugin_timesheet_views_timesheet_group_header"
     OverheadTimesheetHook.instance.plugin_timesheet_views_timesheet_group_header.should eql('<th>Billable</th>')
   end
 end
+
+describe OverheadTimesheetHook, "#plugin_timesheet_views_timesheet_time_entry" do
+  before(:each) do
+  end
+
+  def call_hook(time_entry)
+    context = {:time_entry => time_entry}
+    return OverheadTimesheetHook.instance.plugin_timesheet_views_timesheet_time_entry(context)
+  end
+
+  it 'should add a table cell' do
+    time_entry = mock_model(TimeEntry, :billable? => false)
+    call_hook(time_entry).should have_tag('td')
+  end
+
+  it "should be an empty cell if a time entry isn't billable" do
+    time_entry = mock_model(TimeEntry)
+    time_entry.should_receive(:billable?).and_return(false)
+    call_hook(time_entry).should have_tag('td','')
+  end
+
+  it "should have a checkbox if a time entry is billable" do
+    time_entry = mock_model(TimeEntry)
+    time_entry.should_receive(:billable?).and_return(true)
+    call_hook(time_entry).should have_tag('td') do
+      with_tag('img[src*=?]','true.png')
+    end
+  end
+end