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Given/when/then in Jasmine
test = (suite) ->
self = {}
steps = []
last = null
run = (suite, steps) ->
return if steps.length == 0
[step, msg, fn] = steps.shift()
if step == describe
describe.call suite, msg, ->
beforeEach fn
run(this, steps)
else if step == it
it.call suite, msg, fn
run(suite, steps)
parseArgs = (args, msg) ->
if args.length == 2
args
else
[msg, args[0]]
self.given = (args...) ->
[msg, fn] = parseArgs(args, "given")
steps.push([describe, msg, fn])
last = self.given
self
self.when = (args...) ->
[msg, fn] = parseArgs(args, "when")
steps.push([describe, msg, fn])
last = self.when
self
self.then = (args...) ->
[msg, fn] = parseArgs(args, "then")
steps.push([it, msg, fn])
last = self.then
self
self.and = (args...) ->
last(args...)
self.finish = -> run(suite, steps)
self
describe "GameScreenController", ->
beforeEach ->
# setup...
# --- regular Jasmine test --------------------------------------------------
describe "when player clicks 'Play'", ->
beforeEach ->
@gameScreenView.trigger("play:clicked")
it "should create game session on the server", ->
expect(@serverSide.postGameSession).toHaveBeenCalled()
it "should play sound effect", ->
expect(@soundEffects.play).toHaveBeenCalledWith("gameSessionStart")
it "should display how-to-play", ->
expect(@gameScreenView.showHowToPlay).toHaveBeenCalled()
it "should display countdown", ->
expect(@gameScreenView.showCountdown).toHaveBeenCalled()
expect(@gameScreenView.updateCountdown).toHaveBeenCalledWith(5)
it "should not create the task on the server yet", ->
expect(@serverSide.postTask).not.toHaveBeenCalled()
describe "after one second", ->
beforeEach ->
@clocks.last().tick(101)
it "should update countdown", ->
expect(@gameScreenView.updateCountdown).toHaveBeenCalledWith(4)
describe "after next four seconds", ->
beforeEach ->
@clocks.last().tick(501)
it "should create new task on the server", ->
expect(@serverSide.postTask).toHaveBeenCalled()
it "should hide countdown and how-to-play", ->
expect(@gameScreenView.hideHowToPlay).toHaveBeenCalled()
expect(@gameScreenView.hideCountdown).toHaveBeenCalled()
it "should display new task", ->
expect(@gameScreenView.setWord).toHaveBeenCalledWith("xyz")
expect(@gameScreenView.setLevel).toHaveBeenCalledWith(1)
expect(@invaderViews[0].invader.translation).toEqual("abc")
expect(@invaderViews[1].invader.translation).toEqual("def")
# --- given/when/then test with messages ------------------------------------
test(this)
.when "player clicks 'Play'", ->
@gameScreenView.trigger("play:clicked")
.then "should create game session on the server", ->
expect(@serverSide.postGameSession).toHaveBeenCalled()
.and "should play sound effect", ->
expect(@soundEffects.play).toHaveBeenCalledWith("gameSessionStart")
.and "should display how-to-play", ->
expect(@gameScreenView.showHowToPlay).toHaveBeenCalled()
.and "should display countdown", ->
expect(@gameScreenView.showCountdown).toHaveBeenCalled()
expect(@gameScreenView.updateCountdown).toHaveBeenCalledWith(5)
.and "should not create the task on the server yet", ->
expect(@serverSide.postTask).not.toHaveBeenCalled()
.when "player waits one second", ->
@clocks.last().tick(101)
.then "should update countdown", ->
expect(@gameScreenView.updateCountdown).toHaveBeenCalledWith(4)
.when "player waits four more seconds", ->
@clocks.last().tick(401)
.then "should create new task on the server", ->
expect(@serverSide.postTask).toHaveBeenCalled()
.and "should hide countdown and how-to-play", ->
expect(@gameScreenView.hideHowToPlay).toHaveBeenCalled()
expect(@gameScreenView.hideCountdown).toHaveBeenCalled()
.and "should display new task", ->
expect(@gameScreenView.setWord).toHaveBeenCalledWith("xyz")
expect(@gameScreenView.setLevel).toHaveBeenCalledWith(1)
expect(@invaderViews[0].invader.translation).toEqual("abc")
expect(@invaderViews[1].invader.translation).toEqual("def")
.finish()
# --- given/when/then test without messages ---------------------------------
test(this)
.when(-> @gameScreenView.trigger("play:clicked"))
.then(-> expect(@serverSide.postGameSession).toHaveBeenCalled())
.and(-> expect(@soundEffects.play).toHaveBeenCalledWith("gameSessionStart"))
.and(-> expect(@gameScreenView.showHowToPlay).toHaveBeenCalled())
.and ->
expect(@gameScreenView.showCountdown).toHaveBeenCalled()
expect(@gameScreenView.updateCountdown).toHaveBeenCalledWith(5)
.and "should not create the task on the server yet", ->
expect(@serverSide.postTask).not.toHaveBeenCalled()
.when("player waits one second", -> @clocks.last().tick(101))
.then(-> expect(@gameScreenView.updateCountdown).toHaveBeenCalledWith(4))
.when("player waits four more seconds", -> @clocks.last().tick(401))
.then(-> expect(@serverSide.postTask).toHaveBeenCalled())
.and ->
expect(@gameScreenView.hideHowToPlay).toHaveBeenCalled()
expect(@gameScreenView.hideCountdown).toHaveBeenCalled()
.and "should display new task", ->
expect(@gameScreenView.setWord).toHaveBeenCalledWith("xyz")
expect(@gameScreenView.setLevel).toHaveBeenCalledWith(1)
expect(@invaderViews[0].invader.translation).toEqual("abc")
expect(@invaderViews[1].invader.translation).toEqual("def")
.finish()
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