Files
edx-platform/cms/static/coffee/spec/models/textbook_spec.coffee
2013-10-04 13:43:50 -04:00

203 lines
7.5 KiB
CoffeeScript

define ["backbone", "js/models/textbook", "js/collections/textbook", "js/models/chapter", "js/collections/chapter", "coffee/src/main"],
(Backbone, Textbook, TextbookSet, Chapter, ChapterSet, main) ->
beforeEach ->
@addMatchers
toBeInstanceOf: (expected) ->
return @actual instanceof expected
describe "Textbook model", ->
beforeEach ->
main()
@model = new Textbook()
describe "Basic", ->
it "should have an empty name by default", ->
expect(@model.get("name")).toEqual("")
it "should not show chapters by default", ->
expect(@model.get("showChapters")).toBeFalsy()
it "should have a ChapterSet with one chapter by default", ->
chapters = @model.get("chapters")
expect(chapters).toBeInstanceOf(ChapterSet)
expect(chapters.length).toEqual(1)
expect(chapters.at(0).isEmpty()).toBeTruthy()
it "should be empty by default", ->
expect(@model.isEmpty()).toBeTruthy()
it "should have a URL set", ->
expect(@model.url()).toBeTruthy()
it "should be able to reset itself", ->
@model.set("name", "foobar")
@model.reset()
expect(@model.get("name")).toEqual("")
it "should not be dirty by default", ->
expect(@model.isDirty()).toBeFalsy()
it "should be dirty after it's been changed", ->
@model.set("name", "foobar")
expect(@model.isDirty()).toBeTruthy()
it "should not be dirty after calling setOriginalAttributes", ->
@model.set("name", "foobar")
@model.setOriginalAttributes()
expect(@model.isDirty()).toBeFalsy()
describe "Input/Output", ->
deepAttributes = (obj) ->
if obj instanceof Backbone.Model
deepAttributes(obj.attributes)
else if obj instanceof Backbone.Collection
obj.map(deepAttributes);
else if _.isArray(obj)
_.map(obj, deepAttributes);
else if _.isObject(obj)
attributes = {};
for own prop, val of obj
attributes[prop] = deepAttributes(val)
attributes
else
obj
it "should match server model to client model", ->
serverModelSpec = {
"tab_title": "My Textbook",
"chapters": [
{"title": "Chapter 1", "url": "/ch1.pdf"},
{"title": "Chapter 2", "url": "/ch2.pdf"},
]
}
clientModelSpec = {
"name": "My Textbook",
"showChapters": false,
"editing": false,
"chapters": [{
"name": "Chapter 1",
"asset_path": "/ch1.pdf",
"order": 1
}, {
"name": "Chapter 2",
"asset_path": "/ch2.pdf",
"order": 2
}
]
}
model = new Textbook(serverModelSpec, {parse: true})
expect(deepAttributes(model)).toEqual(clientModelSpec)
expect(model.toJSON()).toEqual(serverModelSpec)
describe "Validation", ->
it "requires a name", ->
model = new Textbook({name: ""})
expect(model.isValid()).toBeFalsy()
it "requires at least one chapter", ->
model = new Textbook({name: "foo"})
model.get("chapters").reset()
expect(model.isValid()).toBeFalsy()
it "requires a valid chapter", ->
chapter = new Chapter()
chapter.isValid = -> false
model = new Textbook({name: "foo"})
model.get("chapters").reset([chapter])
expect(model.isValid()).toBeFalsy()
it "requires all chapters to be valid", ->
chapter1 = new Chapter()
chapter1.isValid = -> true
chapter2 = new Chapter()
chapter2.isValid = -> false
model = new Textbook({name: "foo"})
model.get("chapters").reset([chapter1, chapter2])
expect(model.isValid()).toBeFalsy()
it "can pass validation", ->
chapter = new Chapter()
chapter.isValid = -> true
model = new Textbook({name: "foo"})
model.get("chapters").reset([chapter])
expect(model.isValid()).toBeTruthy()
describe "Textbook collection", ->
beforeEach ->
CMS.URL.TEXTBOOKS = "/textbooks"
@collection = new TextbookSet()
afterEach ->
delete CMS.URL.TEXTBOOKS
it "should have a url set", ->
expect(@collection.url()).toEqual("/textbooks")
it "can call save", ->
spyOn(@collection, "sync")
@collection.save()
expect(@collection.sync).toHaveBeenCalledWith("update", @collection, undefined)
describe "Chapter model", ->
beforeEach ->
@model = new Chapter()
describe "Basic", ->
it "should have a name by default", ->
expect(@model.get("name")).toEqual("")
it "should have an asset_path by default", ->
expect(@model.get("asset_path")).toEqual("")
it "should have an order by default", ->
expect(@model.get("order")).toEqual(1)
it "should be empty by default", ->
expect(@model.isEmpty()).toBeTruthy()
describe "Validation", ->
it "requires a name", ->
model = new Chapter({name: "", asset_path: "a.pdf"})
expect(model.isValid()).toBeFalsy()
it "requires an asset_path", ->
model = new Chapter({name: "a", asset_path: ""})
expect(model.isValid()).toBeFalsy()
it "can pass validation", ->
model = new Chapter({name: "a", asset_path: "a.pdf"})
expect(model.isValid()).toBeTruthy()
describe "Chapter collection", ->
beforeEach ->
@collection = new ChapterSet()
it "is empty by default", ->
expect(@collection.isEmpty()).toBeTruthy()
it "is empty if all chapters are empty", ->
@collection.add([{}, {}, {}])
expect(@collection.isEmpty()).toBeTruthy()
it "is not empty if a chapter is not empty", ->
@collection.add([{}, {name: "full"}, {}])
expect(@collection.isEmpty()).toBeFalsy()
it "should have a nextOrder function", ->
expect(@collection.nextOrder()).toEqual(1)
@collection.add([{}])
expect(@collection.nextOrder()).toEqual(2)
@collection.add([{}])
expect(@collection.nextOrder()).toEqual(3)
# verify that it doesn't just return an incrementing value each time
expect(@collection.nextOrder()).toEqual(3)
# try going back one
@collection.remove(@collection.last())
expect(@collection.nextOrder()).toEqual(2)