testing time bending in browser - see http://tryjasmine.com - an nodejs

nodejs.patch

diff --git a/Task.coffee b/Task.coffee
index b237031..7edc852 100644
--- a/Task.coffee
+++ b/Task.coffee
@@ -3,7 +3,7 @@ class Task
   constructor: (@text) ->
     @intervalId = null
 
-  hello: -> window.alert @text
+  hello: -> console.log @text
 
   delay: 1000 # 1 sec
 
@@ -20,3 +20,5 @@ class Task
     if @intervalId isnt null
       clearInterval @intervalId
       @intervalId = null
+
+exports.Task = Task
diff --git a/TaskSpec.coffee b/TaskSpec.coffee
index 4e9477a..723b0db 100644
--- a/TaskSpec.coffee
+++ b/TaskSpec.coffee
@@ -1,7 +1,9 @@
+{ Task } = require './Task'
+
 describe 'Task', ->
 
   it 'class is defined', ->
-    expect(window.alert).toBeDefined()
+    expect(console.log).toBeDefined()
     expect(Task).toBeDefined()
     expect(Task::hello).toBeDefined()
     expect(Task::timeout).toBeDefined()
@@ -16,7 +18,7 @@ describe 'Task', ->
 
     beforeEach ->
       task = new Task content
-      spyOn(window,'alert') #.andCallThrough()
+      spyOn(console,'log') #.andCallThrough()
 
     it 'is defined', ->
       expect(task).toBeDefined()
@@ -25,22 +27,22 @@ describe 'Task', ->
 
     it 'hello should work immediately', ->
       task.hello()
-      expect(window.alert).toHaveBeenCalledWith(content)
-      expect(window.alert.callCount).toBe(1)
+      expect(console.log).toHaveBeenCalledWith(content)
+      expect(console.log.callCount).toBe(1)
 
     ## it's too slow for jasmine - will fail (expected)
     xit 'should popup in 1 sec (without mock)', ->
       task.timeout()
-      expect(window.alert).toHaveBeenCalledWith(content)
-      expect(window.alert.callCount).toBe(1)
+      expect(console.log).toHaveBeenCalledWith(content)
+      expect(console.log.callCount).toBe(1)
 
     ## mock time to make test faster
     it 'should popup in 1 sec (mocked)', ->
       jasmine.Clock.useMock()
       task.timeout()
       jasmine.Clock.tick(Task::delay)
-      expect(window.alert).toHaveBeenCalledWith(content)
-      expect(window.alert.callCount).toBe(1)
+      expect(console.log).toHaveBeenCalledWith(content)
+      expect(console.log.callCount).toBe(1)
 
     it 'ticks', ->
       jasmine.Clock.useMock()
@@ -53,5 +55,5 @@ describe 'Task', ->
       ## this shouldn't produce anything after task.stop()
       jasmine.Clock.tick(Task::delay)
 
-      expect(window.alert).toHaveBeenCalledWith(content)
-      expect(window.alert.callCount).toBe(10)
+      expect(console.log).toHaveBeenCalledWith(content)
+      expect(console.log.callCount).toBe(10)

Task.coffee

class Task

  constructor: (@text) ->
    @intervalId = null

  hello: -> window.alert @text

  delay: 1000 # 1 sec

  timeout: ->
    callBack = => @hello()
    setTimeout callBack, @delay

  ## for one 1 sec this should produce 10 calls
  interval: ->
    callBack = => @hello()
    @intervalId = setInterval callBack, (@delay/10)

  stop: ->
    if @intervalId isnt null
      clearInterval @intervalId
      @intervalId = null

TaskSpec.coffee

describe 'Task', ->

  it 'class is defined', ->
    expect(window.alert).toBeDefined()
    expect(Task).toBeDefined()
    expect(Task::hello).toBeDefined()
    expect(Task::timeout).toBeDefined()
    expect(Task::interval).toBeDefined()
    expect(Task::stop).toBeDefined()
    expect(Task::delay).toBe(1000)

  describe 'instance', ->

    content = 'dummy text'
    task = null

    beforeEach ->
      task = new Task content
      spyOn(window,'alert') #.andCallThrough()

    it 'is defined', ->
      expect(task).toBeDefined()
      expect(task.hello).toBeDefined()
      expect(task.timeout).toBeDefined()

    it 'hello should work immediately', ->
      task.hello()
      expect(window.alert).toHaveBeenCalledWith(content)
      expect(window.alert.callCount).toBe(1)

    ## it's too slow for jasmine - will fail (expected)
    xit 'should popup in 1 sec (without mock)', ->
      task.timeout()
      expect(window.alert).toHaveBeenCalledWith(content)
      expect(window.alert.callCount).toBe(1)

    ## mock time to make test faster
    it 'should popup in 1 sec (mocked)', ->
      jasmine.Clock.useMock()
      task.timeout()
      jasmine.Clock.tick(Task::delay)
      expect(window.alert).toHaveBeenCalledWith(content)
      expect(window.alert.callCount).toBe(1)

    it 'ticks', ->
      jasmine.Clock.useMock()
      task.interval()

      ## produce 10 ticks
      jasmine.Clock.tick(Task::delay)
      task.stop()

      ## this shouldn't produce anything after task.stop()
      jasmine.Clock.tick(Task::delay)

      expect(window.alert).toHaveBeenCalledWith(content)
      expect(window.alert.callCount).toBe(10)

test.sh

#!/bin/sh
# npm install -g jasmine-node
# git clone https://gist.github.com/4355050.git && cd 4355050 && patch -i nodejs.patch && \
jasmine-node --coffee --verbose .

Known issue with jasmine.Clock - mhevery/jasmine-node#171