test: add get me lambda tests

functions/me/handler.ts

@@ -19,7 +19,7 @@ import { validateAccessToken } from "../../shared/middleware/auth0-authorization
 const connectToDb = dataSource.initialize();
 const userRepository = dataSource.getRepository(ExampleModel);
 
-const lambdaHandler = async (event: MeLambdaPayload) => {
+export const lambdaHandler = async (event: MeLambdaPayload) => {
   await connectToDb;
 
   const { email } = event.queryStringParameters;

functions/me/tests/handler.spec.ts

@@ -0,0 +1,48 @@
+import sinon from "sinon";
+import { DataSource, Repository } from "typeorm";
+import { StatusCodes, getReasonPhrase } from "http-status-codes";
+import { lambdaHandler } from "../handler";
+import { expect } from "chai";
+
+describe("GET /me", () => {
+  let sandbox: sinon.SinonSandbox;
+  let userRepositoryStub: sinon.SinonStub;
+  const email = "[email protected]";
+
+  const profileModel =  {
+    id: "50ece88a-61ac-4435-8457-051693716276",
+    firstName: "John",
+    lastName: "Doe",
+    email,
+  };
+
+  const params = { email };
+
+  beforeEach(() => {  
+    sandbox = sinon.createSandbox();
+    userRepositoryStub = sandbox.stub(Repository.prototype, "findOne");
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  describe("GET dev/users", () => {
+    it("should return logged profile data", async () => {
+      userRepositoryStub.resolves(profileModel);
+      const response = await lambdaHandler({ queryStringParameters: params });
+
+      const parsedResponse = JSON.parse(response.body);
+      expect(response.statusCode).to.equal(StatusCodes.OK);
+      expect(parsedResponse.data).to.deep.equal(profileModel);
+    });
+
+    it("should return error when profile wasn't found in database", async () => {
+      try {
+        await lambdaHandler({ queryStringParameters: params });
+      } catch(error: any) {
+        expect(JSON.parse(error.message).message).to.be.equal(`User with email "${email}" does not exist`);
+      }
+    });
+  });
+});