Validation tests for Backbone models

cms/static/coffee/spec/models/textbook_spec.coffee

@@ -8,6 +8,7 @@ describe "CMS.Models.Textbook", ->
     beforeEach ->
         @model = new CMS.Models.Textbook()
 
+    describe "Basic", ->
         it "should have an empty name by default", ->
             expect(@model.get("name")).toEqual("")
 
@@ -43,10 +44,7 @@ describe "CMS.Models.Textbook", ->
             @model.setOriginalAttributes()
             expect(@model.isDirty()).toBeFalsy()
 
-
-describe "CMS.Models.Textbook input/output", ->
-    # replace with Backbone.Assocations.deepAttributes when
-    # https://github.com/dhruvaray/backbone-associations/pull/43 is merged
+    describe "Input/Output", ->
         deepAttributes = (obj) ->
             if obj instanceof Backbone.Model
                 deepAttributes(obj.attributes)
@@ -90,6 +88,40 @@ describe "CMS.Models.Textbook input/output", ->
             expect(deepAttributes(model)).toEqual(clientModelSpec)
             expect(model.toJSON()).toEqual(serverModelSpec)
 
+    describe "Validation", ->
+        it "requires a name", ->
+            model = new CMS.Models.Textbook({name: ""})
+            expect(model.isValid()).toBeFalsy()
+
+        it "requires at least one chapter", ->
+            model = new CMS.Models.Textbook({name: "foo"})
+            model.get("chapters").reset()
+            expect(model.isValid()).toBeFalsy()
+
+        it "requires a valid chapter", ->
+            chapter = new CMS.Models.Chapter()
+            chapter.isValid = -> false
+            model = new CMS.Models.Textbook({name: "foo"})
+            model.get("chapters").reset([chapter])
+            expect(model.isValid()).toBeFalsy()
+
+        it "requires all chapters to be valid", ->
+            chapter1 = new CMS.Models.Chapter()
+            chapter1.isValid = -> true
+            chapter2 = new CMS.Models.Chapter()
+            chapter2.isValid = -> false
+            model = new CMS.Models.Textbook({name: "foo"})
+            model.get("chapters").reset([chapter1, chapter2])
+            expect(model.isValid()).toBeFalsy()
+
+        it "can pass validation", ->
+            chapter = new CMS.Models.Chapter()
+            chapter.isValid = -> true
+            model = new CMS.Models.Textbook({name: "foo"})
+            model.get("chapters").reset([chapter])
+            expect(model.isValid()).toBeTruthy()
+
+
 describe "CMS.Collections.TextbookSet", ->
     beforeEach ->
         CMS.URL.TEXTBOOK = "/textbooks"
@@ -111,6 +143,7 @@ describe "CMS.Models.Chapter", ->
     beforeEach ->
         @model = new CMS.Models.Chapter()
 
+    describe "Basic", ->
         it "should have a name by default", ->
             expect(@model.get("name")).toEqual("")
 
@@ -123,6 +156,19 @@ describe "CMS.Models.Chapter", ->
         it "should be empty by default", ->
             expect(@model.isEmpty()).toBeTruthy()
 
+    describe "Validation", ->
+        it "requires a name", ->
+            model = new CMS.Models.Chapter({name: "", asset_path: "a.pdf"})
+            expect(model.isValid()).toBeFalsy()
+
+        it "requires an asset_path", ->
+            model = new CMS.Models.Chapter({name: "a", asset_path: ""})
+            expect(model.isValid()).toBeFalsy()
+
+        it "can pass validation", ->
+            model = new CMS.Models.Chapter({name: "a", asset_path: "a.pdf"})
+            expect(model.isValid()).toBeTruthy()
+
 
 describe "CMS.Collections.ChapterSet", ->
     beforeEach ->