From b94049f427b3f8ae52ba7be97675b4fc1f08f7b9 Mon Sep 17 00:00:00 2001
From: pon-james <james.wakefield@pon.com>
Date: Wed, 19 Oct 2022 10:25:58 +0100
Subject: [PATCH] feat(examples): add code from workshop examples

Add example.js and example.test.js with a contrived example of handing a fetch like utility
---
 src/consumers.test.js |  2 +-
 src/examples.js       | 44 +++++++++++++++++--------------------------
 src/examples.test.js  | 20 ++++++++++++++++++++
 3 files changed, 38 insertions(+), 28 deletions(-)
 create mode 100644 src/examples.test.js

diff --git a/src/consumers.test.js b/src/consumers.test.js
index 1f3f257..1bfd6b6 100644
--- a/src/consumers.test.js
+++ b/src/consumers.test.js
@@ -20,7 +20,7 @@ describe.each([
   // ['implementationSix', implementationSix ],
 ])("%s", (_, fn) => {
 
-  test("", () => {
+  test.skip("", () => {
     const result = fn();
     expect(result).toEqual(EXPECTED_RESULT);
   });
diff --git a/src/examples.js b/src/examples.js
index e482923..2324618 100644
--- a/src/examples.js
+++ b/src/examples.js
@@ -1,30 +1,20 @@
-// Here are some examples from the field:
+const { myPromise } = require("./producers");
 
-
-// Ref: https://github.com/pondigitalsolutions/bs_frontend/blob/main/src/api/api.js#L57-L61
-/**
- * A simple wrapper to 'unwrap' a response, streight to body.
- *
- * @private
- * @param {response} requestObject A JSON type response
- * @returns {Object<string, any>} Returns the body of a response
- */
- async function resultHandler(requestObject) {
-    return requestObject
-        .then((response) => response.body)
-    ;
+async function getDataFromApi(ok = true) {
+  // handle first promise
+  const firstPromise = await myPromise;
+  // handle second promise
+  try {
+    const result = await myPromise;
+    if (!ok) {
+      return Promise.reject("Yikes, there was an error");
+    }
+    return result;
+  } catch (error) {
+    // handle the error
   }
+}
 
-// Ref: https://github.com/pondigitalsolutions/bs_frontend/blob/c713bd4a77229d6db8a3eafda0d637901b75f591/src/api/api.js#L21-L28
-/**
- * A function to fetch authentication token from the MSAL instance
- * using the idToken
- */
- async function getAccessToken() {
-    return msalInstance.acquireTokenSilent({
-      ...loginRequest,
-    })
-    .then((response) => {
-      return response.idToken;
-    });
-  }
+module.exports = {
+  getDataFromApi,
+};
diff --git a/src/examples.test.js b/src/examples.test.js
new file mode 100644
index 0000000..4516ec1
--- /dev/null
+++ b/src/examples.test.js
@@ -0,0 +1,20 @@
+const { getDataFromApi } = require("./examples");
+
+describe("getDataFromApi", () => {
+  test("should return a promise", () => {
+    const result = getDataFromApi();
+    expect(result).toBeInstanceOf(Promise);
+  });
+  test("should return a value", async () => {
+    const result = await getDataFromApi();
+    expect(result).toEqual({ status: "done" });
+  });
+  test("should reject if there is an error", async () => {
+    expect.assertions(1);
+    try {
+      const result = await getDataFromApi(false);
+    } catch (error) {
+      expect(error).toMatch("Yikes, there was an error");
+    }
+  });
+});