improve unit tests

Author: dancfox

test/unit/utils/UserFunction.test.ts

@@ -3,10 +3,11 @@
 "use strict";
 
 require("should");
+import { HandlerNotFound } from "../../../src/Errors";
 import { load } from "../../../src/utils/UserFunction";
 
 describe("Invoking the load function", async() => {
-    it("should not fail when init hook function is present", async() => {
+    it("should resolve promise when init hook function is present", async() => {
         const handler = "InitPresent.handler"
         const appRoot = "test/unit/utils/function";
 
@@ -16,9 +17,9 @@ describe("Invoking the load function", async() => {
         )) as Function;
 
         handlerFunc.should.be.Function;
-        handlerFunc.should.not.be.null;
+        handlerFunc().should.be.true;
     });
-    it("should not fail when init hook function is absent", async() => {
+    it("should not resolve the promise when init hook function is absent", async() => {
         const handler = "InitAbsent.handler"
         const appRoot = "test/unit/utils/function";
 
@@ -28,7 +29,7 @@ describe("Invoking the load function", async() => {
         )) as Function;
 
         handlerFunc.should.be.Function;
-        handlerFunc.should.not.be.null;
+        handlerFunc().should.be.false;
     });
     it("should catch TypeError exception", async() => {
         const handler = "InitThrowsTypeError.handler"
@@ -40,6 +41,6 @@ describe("Invoking the load function", async() => {
         )) as Function;
 
         handlerFunc.should.be.Function;
-        handlerFunc.should.not.be.null;
+        handlerFunc().should.be.true;
     });
 });

test/unit/utils/function/InitAbsent.js

@@ -1,3 +1,24 @@
+// console.log("******** enter the init block   ********");
+
+let resolved = "No";
+
+function sleep(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms)).then(() => {resolved = "Yes!"});
+}
+
+async function init() {
+  // console.log("******** enter initializeFunction hook ********");
+  // console.log("******** Is promised resolved? " + resolved + " ********");
+  // console.log("******** sleep for 20 ms... ********")
+  let p = await sleep(20);
+  // console.log("******** wake up                ********");
+  // console.log("******** Is promised resolved? " + resolved + " ********");
+}
+
+init();
+
 exports.handler = async (event, context) => {
-    return 'Function complete.';
+    // console.log("******** enter the handler        ********");
+    // console.log("******** Is promised resolved? " + resolved + " ********");
+    return ( resolved ? true: false );
 }

test/unit/utils/function/InitPresent.js

@@ -18,6 +18,5 @@ exports.initializeFunction = async () => {
 exports.handler = async (event, context) => {
     // console.log("******** enter the handler        ********");
     // console.log("******** Is promised resolved? " + resolved + " ********");
-
-    return 'Function complete.';
+    return ( resolved ? true: false );
 }

test/unit/utils/function/InitThrowsTypeError.js

@@ -3,5 +3,5 @@ exports.initializeFunction = async () => {
 }
 
 exports.handler = async (event, context) => {
-    return 'Function complete.';
+    return true;
 }