updated docs

test/backend/delete-tests.js

@@ -0,0 +1,43 @@
+const sinon = require('sinon');
+const proxyquire = require('proxyquire').noCallThru();
+
+const storage = {
+  del: sinon.stub()
+};
+
+function request(id) {
+  return {
+    params: { id }
+  };
+}
+
+function response() {
+  return {
+    sendStatus: sinon.stub()
+  };
+}
+
+const delRoute = proxyquire('../../server/routes/delete', {
+  '../storage': storage
+});
+
+describe('/api/delete', function() {
+  afterEach(function() {
+    storage.del.reset();
+  });
+
+  it('calls storage.del with the id parameter', async function() {
+    const req = request('x');
+    const res = response();
+    await delRoute(req, res);
+    sinon.assert.calledWith(storage.del, 'x');
+    sinon.assert.calledWith(res.sendStatus, 200);
+  });
+
+  it('sends a 404 on failure', async function() {
+    storage.del.returns(Promise.reject(new Error()));
+    const res = response();
+    await delRoute(request('x'), res);
+    sinon.assert.calledWith(res.sendStatus, 404);
+  });
+});