[Framework] Spec for ApplicationBootstrapper

Add spec for the application bootstrapper; verify
its interactions with Angular. WTD-518.

platform/framework/test/bootstrap/ApplicationBootstrapperSpec.js

@@ -4,11 +4,84 @@
  * ApplicationBootstrapperSpec. Created by vwoeltje on 11/6/14.
  */
 define(
-    [],
-    function () {
+    ["../../src/bootstrap/ApplicationBootstrapper"],
+    function (ApplicationBootstrapper) {
         "use strict";
 
-        describe("", function () {
+        describe("The application bootstrapper", function () {
+            // Test support variables
+            var bootstrapper,
+                captured,
+                mockAngular,
+                mockDocument,
+                mockLog,
+                mockApp;
+
+            // Used to capture arguments to mocks
+            function capture() {
+                var names = Array.prototype.slice.apply(arguments, []);
+                return function () {
+                    var values = arguments;
+                    names.forEach(function (name, index) {
+                        captured[name] = values[index];
+                    });
+                };
+            }
+
+            // Set up the mocks before each run
+            beforeEach(function () {
+                captured = {};
+
+                mockAngular = {
+                    element: function (selector) {
+                        captured.selector = selector;
+                        return { ready: capture("callback") };
+                    },
+                    bootstrap: capture("element", "appNames")
+                };
+
+                mockDocument = "I am just a value.";
+
+                mockLog = { info: capture("info") };
+
+                mockApp = { name: "MockApp" };
+
+                bootstrapper = new ApplicationBootstrapper(
+                    mockAngular,
+                    mockDocument,
+                    mockLog
+                );
+
+                bootstrapper.bootstrap(mockApp);
+            });
+
+            
+            // The tests.
+
+            it("waits for the provided document element to be ready", function () {
+                // Should have provided Angular a selector...
+                expect(captured.selector).toBe(mockDocument);
+                // ...and called ready on the response.
+                expect(captured.callback).toBeDefined();
+            });
+
+            it("issues a bootstrap call once ready", function () {
+                // Verify precondition; bootstrap not called
+                expect(captured.element).toBeUndefined();
+                expect(captured.appNames).toBeUndefined();
+
+                // Call the "ready" function
+                captured.callback();
+
+                // Verify that bootstrap was called
+                expect(captured.element).toBe(mockDocument);
+                expect(captured.appNames).toEqual([mockApp.name]);
+            });
+
+            it("logs that the bootstrap phase has been reached", function () {
+                expect(captured.info).toBeDefined();
+                expect(typeof captured.info).toEqual('string');
+            });
 
         });
     }