Move saveAll and specs to PaneContainer

And simplify the specs… we don't *really* need to save. We can just
ensure that save is called on everything.

spec/app/pane-container-spec.coffee

@@ -13,6 +13,8 @@ describe "PaneContainer", ->
       @content: -> @div tabindex: -1
       initialize: (@myText) -> @text(@myText)
       serialize: -> deserializer: 'TestView', myText: @myText
+      getPath: -> "/tmp/hi"
+      save: -> @saved = true
 
     container = new PaneContainer
     pane1 = new Pane(new TestView('1'))
@@ -72,6 +74,16 @@ describe "PaneContainer", ->
       pane4.splitDown()
       expect(panes).toEqual []
 
+  describe ".saveAll()", ->
+    it "saves all open pane items", ->
+      pane1.showItem(new TestView('4'))
+
+      container.saveAll()
+
+      for pane in container.getPanes()
+        for item in pane.getItems()
+          expect(item.saved).toBeTruthy()
+
   describe "serialization", ->
     it "can be serialized and deserialized, and correctly adjusts dimensions of deserialized panes after attach", ->
       newContainer = deserialize(container.serialize())

spec/app/root-view-spec.coffee

@@ -279,36 +279,6 @@ describe "RootView", ->
           editSession = rootView.open('b', changeFocus: false)
           expect(activePane.focus).not.toHaveBeenCalled()
 
-  describe ".saveAll()", ->
-    it "saves all open editors", ->
-      project.setPath('/tmp')
-      file1 = '/tmp/atom-temp1.txt'
-      file2 = '/tmp/atom-temp2.txt'
-      fs.write(file1, "file1")
-      fs.write(file2, "file2")
-      rootView.open(file1)
-
-      editor1 = rootView.getActiveView()
-      buffer1 = editor1.activeEditSession.buffer
-      expect(buffer1.getText()).toBe("file1")
-      expect(buffer1.isModified()).toBe(false)
-      buffer1.setText('edited1')
-      expect(buffer1.isModified()).toBe(true)
-
-      editor2 = editor1.splitRight(project.buildEditSession('atom-temp2.txt'))
-      buffer2 = editor2.activeEditSession.buffer
-      expect(buffer2.getText()).toBe("file2")
-      expect(buffer2.isModified()).toBe(false)
-      buffer2.setText('edited2')
-      expect(buffer2.isModified()).toBe(true)
-
-      rootView.saveAll()
-
-      expect(buffer1.isModified()).toBe(false)
-      expect(fs.read(buffer1.getPath())).toBe("edited1")
-      expect(buffer2.isModified()).toBe(false)
-      expect(fs.read(buffer2.getPath())).toBe("edited2")
-
   describe "window:toggle-invisibles event", ->
     it "shows/hides invisibles in all open and future editors", ->
       rootView.height(200)

src/app/pane-container.coffee

@@ -36,6 +36,9 @@ class PaneContainer extends View
   getRoot: ->
     @children().first().view()
 
+  saveAll: ->
+    pane.saveItems() for pane in @getPanes()
+
   getPanes: ->
     @find('.pane').views()
 

src/app/root-view.coffee

@@ -148,7 +148,7 @@ class RootView extends View
     super
 
   saveAll: ->
-    pane.saveItems() for pane in @getPanes()
+    @panes.saveAll()
 
   eachPane: (callback) ->
     @panes.eachPane(callback)