Remove SplashScreenComponentAdapter (#440)

Merge SplashScreenComponentAdapter and SplashScreenComponent into one SplashScreen React component.

src/Explorer/SplashScreen/SplashScreen.test.ts

@@ -0,0 +1,67 @@
+import * as ko from "knockout";
+import { DataSamplesUtil } from "../DataSamples/DataSamplesUtil";
+import { SplashScreen } from "./SplashScreen";
+import { TabsManager } from "../Tabs/TabsManager";
+import Explorer from "../Explorer";
+jest.mock("../Explorer");
+
+const createExplorer = () => {
+  const mock = new Explorer();
+  mock.selectedNode = ko.observable();
+  mock.isNotebookEnabled = ko.observable(false);
+  mock.addCollectionText = ko.observable("add collection");
+  mock.tabsManager = new TabsManager();
+  return mock as jest.Mocked<Explorer>;
+};
+
+describe("SplashScreen", () => {
+  it("allows sample collection creation for supported api's", () => {
+    const explorer = createExplorer();
+    const dataSampleUtil = new DataSamplesUtil(explorer);
+    const createStub = jest
+      .spyOn(dataSampleUtil, "createGeneratorAsync")
+      .mockImplementation(() => Promise.reject(undefined));
+
+    // Sample is supported
+    jest.spyOn(dataSampleUtil, "isSampleContainerCreationSupported").mockImplementation(() => true);
+
+    const splashScreen = new SplashScreen({ explorer });
+    jest.spyOn(splashScreen, "createDataSampleUtil").mockImplementation(() => dataSampleUtil);
+    const mainButtons = splashScreen.createMainItems();
+
+    // Press all buttons and make sure create gets called
+    mainButtons.forEach((button) => {
+      try {
+        button.onClick();
+      } catch (e) {
+        // noop
+      }
+    });
+    expect(createStub).toHaveBeenCalled();
+  });
+
+  it("does not allow sample collection creation for non-supported api's", () => {
+    const explorerStub = createExplorer();
+    const dataSampleUtil = new DataSamplesUtil(explorerStub);
+    const createStub = jest
+      .spyOn(dataSampleUtil, "createGeneratorAsync")
+      .mockImplementation(() => Promise.reject(undefined));
+
+    // Sample is not supported
+    jest.spyOn(dataSampleUtil, "isSampleContainerCreationSupported").mockImplementation(() => false);
+
+    const splashScreen = new SplashScreen({ explorer: explorerStub });
+    jest.spyOn(splashScreen, "createDataSampleUtil").mockImplementation(() => dataSampleUtil);
+    const mainButtons = splashScreen.createMainItems();
+
+    // Press all buttons and make sure create doesn't get called
+    mainButtons.forEach((button) => {
+      try {
+        button.onClick();
+      } catch (e) {
+        // noop
+      }
+    });
+    expect(createStub).not.toHaveBeenCalled();
+  });
+});