Initial commit

Signed-off-by: mikesir87 <mikesir87@gmail.com>

Imported from dockersamples/101-tutorial, removed other languages
for now, and replaced PWD references with Docker Desktop.

app/spec/routes/deleteItem.spec.js

@@ -0,0 +1,20 @@
+const db = require('../../src/persistence');
+const deleteItem = require('../../src/routes/deleteItem');
+const ITEM = { id: 12345 };
+
+jest.mock('../../src/persistence', () => ({
+    removeItem: jest.fn(),
+    getItem: jest.fn(),
+}));
+
+test('it removes item correctly', async () => {
+    const req = { params: { id: 12345 } };
+    const res = { sendStatus: jest.fn() };
+
+    await deleteItem(req, res);
+
+    expect(db.removeItem.mock.calls.length).toBe(1);
+    expect(db.removeItem.mock.calls[0][0]).toBe(req.params.id);
+    expect(res.sendStatus.mock.calls[0].length).toBe(1);
+    expect(res.sendStatus.mock.calls[0][0]).toBe(200);
+});