temporal_spec.js.coffee in temporal-rails-0.2.2

- old
+ new
@@ -1,4 +1,76 @@
 require '/assets/temporal.js'
 
 describe "Temporal", ->
 
+  beforeEach ->
+    document.cookie = 'timezone='
+    document.cookie = 'timezone_offset='
+    @timezoneStub = {name: 'foo', offset: 0}  # 0 here ensure the jsonp request isn't made
+
+  describe "signature", ->
+
+    it "has a detect and reference method", ->
+      expect(Object.keys(Temporal).length).toBe 2
+      expect(Object.keys(Temporal)).toEqual ['detect', 'reference']
+      expect(typeof(Temporal.detect)).toBe 'function'
+      expect(typeof(Temporal.reference)).toBe 'function'
+
+
+  describe ".detect", ->
+
+    beforeEach ->
+      window.Temporal = Temporal.reference() if Temporal.reference
+      @spy = spyOn(Temporal.prototype, 'detectLocally').andReturn @timezoneStub
+      @callback = ->
+
+    it "instantiates an instance and passes arguments", ->
+      instance = Temporal.detect('username', @callback)
+      expect(@spy).toHaveBeenCalled()
+      expect(instance.username).toBe 'username'
+      expect(instance.callback).toBe @callback
+
+
+  describe "constructor", ->
+
+    it "calls #detectLocally", ->
+      spy = spyOn(Temporal.prototype, 'detectLocally').andReturn @timezoneStub
+      new Temporal()
+      expect(spy.callCount).toBe 1
+
+    it "calls #geoLocate if there's a username for the GeoName API", ->
+      spyOn(Temporal.prototype, 'detectLocally').andReturn name: 'foo', offset: 1
+      spy = spyOn(Temporal.prototype, 'geoLocate')
+      new Temporal('username')
+      expect(spy.callCount).toBe 1
+
+    it "doesn't call #geoLocate if there isn't a username", ->
+      spyOn(Temporal.prototype, 'detectLocally').andReturn name: 'foo', offset: 1
+      spy = spyOn(Temporal.prototype, 'geoLocate')
+      new Temporal()
+      expect(spy.callCount).toBe 0
+
+    it "calls #set", ->
+      spyOn(Temporal.prototype, 'detectLocally').andReturn @timezoneStub
+      spy = spyOn(Temporal.prototype, 'set')
+      new Temporal()
+      expect(spy.callCount).toBe 1
+      expect(spy).toHaveBeenCalledWith name: 'foo', offset: 0
+
+
+  describe "#detectLocally", ->
+
+    beforeEach ->
+      spyOn(Temporal.prototype, 'detect')
+      @temporal = new Temporal()
+
+    it "returns a quickly determined time zone", ->
+      spyOn(Temporal.prototype, 'januaryOffset').andReturn -420
+      spyOn(Temporal.prototype, 'juneOffset').andReturn -360
+      timezone = @temporal.detectLocally()
+      expect(timezone).toEqual name: 'America/Denver', offset: -7
+
+    it "handles other locations than denver", ->
+      spyOn(Temporal.prototype, 'januaryOffset').andReturn 120
+      spyOn(Temporal.prototype, 'juneOffset').andReturn 120
+      timezone = @temporal.detectLocally()
+      expect(timezone).toEqual name: 'Africa/Johannesburg', offset: 2