Initial Move from Azure DevOps to GitHub

src/Explorer/Notebook/NotebookRenderer/StatusBar.test.tsx

@@ -0,0 +1,55 @@
+import { shallow } from "enzyme";
+import React from "react";
+
+import { StatusBar } from "./StatusBar";
+
+describe("StatusBar", () => {
+  test("can render on a dummyNotebook", () => {
+    const lastSaved = new Date();
+    const kernelSpecDisplayName = "python3";
+
+    const component = shallow(
+      <StatusBar kernelStatus="kernel status" lastSaved={lastSaved} kernelSpecDisplayName={kernelSpecDisplayName} />
+    );
+
+    expect(component).not.toBeNull();
+  });
+  test("Update if kernelSpecDisplayName has changed", () => {
+    const lastSaved = new Date();
+    const kernelSpecDisplayName = "python3";
+
+    const component = shallow(
+      <StatusBar kernelStatus="kernel status" lastSaved={lastSaved} kernelSpecDisplayName={kernelSpecDisplayName} />
+    );
+
+    const shouldUpdate = component.instance().shouldComponentUpdate(
+      {
+        lastSaved,
+        kernelSpecDisplayName: "javascript",
+        kernelStatus: "kernelStatus"
+      },
+      null,
+      null
+    );
+    expect(shouldUpdate).toBe(true);
+  });
+  test("update if kernelStatus has changed", () => {
+    const lastSaved = new Date();
+    const kernelSpecDisplayName = "python3";
+
+    const component = shallow(
+      <StatusBar kernelStatus="kernel status" lastSaved={lastSaved} kernelSpecDisplayName={kernelSpecDisplayName} />
+    );
+
+    const shouldUpdate = component.instance().shouldComponentUpdate(
+      {
+        lastSaved: new Date(),
+        kernelSpecDisplayName: "python3",
+        kernelStatus: "kernelStatus"
+      },
+      null,
+      null
+    );
+    expect(shouldUpdate).toBe(true);
+  });
+});