Merge request widget displays TeamCity build state and code coverage correctly again

app/assets/javascripts/merge_request_widget.js.coffee

@@ -68,13 +68,13 @@ class @MergeRequestWidget
     $.getJSON @opts.ci_status_url, (data) =>
       @readyForCICheck = true
 
-      if @firstCICheck
-        @firstCICheck = false
+      if @firstCICheck || @opts.ci_status is ''
+        if @firstCICheck
+          @firstCICheck = false
         @opts.ci_status = data.status
-
-      if @opts.ci_status is ''
-        @opts.ci_status = data.status
-        return
+        @showCIStatus data.status
+        if data.coverage
+          @showCICoverage data.coverage
 
       if data.status isnt @opts.ci_status and data.status?
         @showCIStatus data.status

spec/javascripts/merge_request_widget_spec.js.coffee

@@ -0,0 +1,35 @@
+#= require merge_request_widget
+
+describe 'MergeRequestWidget', ->
+
+  beforeEach ->
+    window.notifyPermissions = () ->
+    @opts = {ci_status_url:"http://sampledomain.local/ci/getstatus",ci_status:""}
+    @class = new MergeRequestWidget(@opts)
+    @ciStatusData = {"title":"Sample MR title","sha":"12a34bc5","status":"success","coverage":98}
+
+  describe 'getCIStatus', ->
+    beforeEach ->
+      spyOn(jQuery, 'getJSON').and.callFake (req, cb) =>
+        cb(@ciStatusData)
+
+    it 'should call showCIStatus even if a notification should not be displayed', ->
+      spy = spyOn(@class, 'showCIStatus').and.stub()
+      @class.getCIStatus(false)
+      expect(spy).toHaveBeenCalledWith(@ciStatusData.status)
+
+    it 'should call showCIStatus when a notification should be displayed', ->
+      spy = spyOn(@class, 'showCIStatus').and.stub()
+      @class.getCIStatus(true)
+      expect(spy).toHaveBeenCalledWith(@ciStatusData.status)
+
+    it 'should call showCICoverage when the coverage rate is set', ->
+      spy = spyOn(@class, 'showCICoverage').and.stub()
+      @class.getCIStatus(true)
+      expect(spy).toHaveBeenCalledWith(@ciStatusData.coverage)
+
+    it 'should not call showCICoverage when the coverage rate is not set', ->
+      @ciStatusData.coverage = null
+      spy = spyOn(@class, 'showCICoverage').and.stub()
+      @class.getCIStatus(true)
+      expect(spy).not.toHaveBeenCalled()