Add additional teaching bubbles in Quickstart (#1407)

* Add additional teaching bubbles in Quickstart

* Run npm format

* Fix lint error

* Add unit tests

* Add Mongo teaching bubbles for Try CosmosDB and Launch full screen

* Add additional tests for UrlUtility

* Run npm format

* Add tests for Notebook Utils

src/Common/UrlUtility.test.ts

@@ -0,0 +1,49 @@
+import * as UrlUtility from "./UrlUtility";
+
+describe("parseDocumentsPath", () => {
+  it("empty resource path", () => {
+    const resourcePath = "";
+
+    expect(UrlUtility.parseDocumentsPath(resourcePath)).toEqual({});
+  });
+
+  it("resourcePath does not begin or end with /", () => {
+    const resourcePath = "localhost/portal/home";
+    const expectedResult = {
+      type: "home",
+      objectBody: {
+        id: "portal",
+        self: "/localhost/portal/home/",
+      },
+    };
+
+    expect(UrlUtility.parseDocumentsPath(resourcePath)).toEqual(expectedResult);
+  });
+
+  it("resourcePath length is even", () => {
+    const resourcePath = "/localhost/portal/src/home/";
+    const expectedResult = {
+      type: "src",
+      objectBody: {
+        id: "home",
+        self: resourcePath,
+      },
+    };
+
+    expect(UrlUtility.parseDocumentsPath(resourcePath)).toEqual(expectedResult);
+  });
+
+  it("createUri", () => {
+    const baseUri = "http://foo.com/bar/";
+    const relativeUri = "/index.html";
+    const expectedUri = "http://foo.com/bar/index.html";
+
+    expect(UrlUtility.createUri(baseUri, relativeUri)).toEqual(expectedUri);
+  });
+
+  it("should throw an error if baseUri is empty", () => {
+    expect(() => {
+      UrlUtility.createUri("", "/home");
+    }).toThrow("baseUri is null or empty");
+  });
+});