Fix TypeScript unit testing example (#2171)

The unit testing example does not work for systems running node 23.x.
This commit adds importing files by extension and the necessary TS
config settings to permit importing files by extension.

Author: jkodroff

testing-unit-ts/mocha/bucket_pair_test.ts

@@ -5,7 +5,7 @@ import "mocha";
 import * as assert from 'assert';
 
 pulumi.runtime.setMocks({
-    newResource: function (args: pulumi.runtime.MockResourceArgs): { id: string, state: any } {
+    newResource: function (args: pulumi.runtime.MockResourceArgs): { id: string, state: any; } {
         switch (args.type) {
             default:
                 return {
@@ -27,12 +27,12 @@ pulumi.runtime.setMocks({
 describe("BucketPair", function () {
     this.timeout(10000); // Extend the timeout for this suite
 
-    let module: typeof import("./bucket_pair");
+    let module: typeof import("./bucket_pair.ts");
 
     before(async function () {
         this.timeout(10000); // Extend timeout for the import
         // It's important to import the program _after_ the mocks are defined.
-        module = await import("./bucket_pair");
+        module = await import("./bucket_pair.ts");
     });
 
     describe("constructor", function () {

testing-unit-ts/mocha/ec2tests.ts

@@ -4,7 +4,7 @@ import * as pulumi from "@pulumi/pulumi";
 import "mocha";
 
 pulumi.runtime.setMocks({
-    newResource: function(args: pulumi.runtime.MockResourceArgs): {id: string, state: any} {
+    newResource: function (args: pulumi.runtime.MockResourceArgs): { id: string, state: any; } {
         switch (args.type) {
             case "aws:ec2/securityGroup:SecurityGroup":
                 return {
@@ -39,7 +39,7 @@ pulumi.runtime.setMocks({
                 };
         }
     },
-    call: function(args: pulumi.runtime.MockCallArgs) {
+    call: function (args: pulumi.runtime.MockCallArgs) {
         switch (args.token) {
             case "aws:ec2/getAmi:getAmi":
                 return {
@@ -52,17 +52,17 @@ pulumi.runtime.setMocks({
     },
 });
 
-describe("Infrastructure", function() {
-    let infra: typeof import("./index");
+describe("Infrastructure", function () {
+    let infra: typeof import("./index.ts");
 
-    before(async function() {
+    before(async function () {
         // It's important to import the program _after_ the mocks are defined.
-        infra = await import("./index");
+        infra = await import("./index.ts");
     });
 
-    describe("#server", function() {
+    describe("#server", function () {
         // check 1: Instances have a Name tag.
-        it("must have a name tag", function(done) {
+        it("must have a name tag", function (done) {
             pulumi.all([infra.server.urn, infra.server.tags]).apply(([urn, tags]) => {
                 if (!tags || !tags["Name"]) {
                     done(new Error(`Missing a name tag on server ${urn}`));
@@ -73,7 +73,7 @@ describe("Infrastructure", function() {
         });
 
         // check 2: Instances must not use an inline userData script.
-        it("must not use userData (use an AMI instead)", function(done) {
+        it("must not use userData (use an AMI instead)", function (done) {
             pulumi.all([infra.server.urn, infra.server.userData]).apply(([urn, userData]) => {
                 if (userData) {
                     done(new Error(`Illegal use of userData on server ${urn}`));
@@ -84,13 +84,13 @@ describe("Infrastructure", function() {
         });
     });
 
-    describe("#group", function() {
+    describe("#group", function () {
         // check 3: Instances must not have SSH open to the Internet.
-        it("must not open port 22 (SSH) to the Internet", function(done) {
-            pulumi.all([infra.group.urn, infra.group.ingress]).apply(([ urn, ingress ]) => {
+        it("must not open port 22 (SSH) to the Internet", function (done) {
+            pulumi.all([infra.group.urn, infra.group.ingress]).apply(([urn, ingress]) => {
                 if (ingress.find(rule =>
                     rule.fromPort === 22 && (rule.cidrBlocks || []).find(block => block === "0.0.0.0/0"))) {
-                        done(new Error(`Illegal SSH port 22 open to the Internet (CIDR 0.0.0.0/0) on group ${urn}`));
+                    done(new Error(`Illegal SSH port 22 open to the Internet (CIDR 0.0.0.0/0) on group ${urn}`));
                 } else {
                     done();
                 }

testing-unit-ts/mocha/tsconfig.json

@@ -12,13 +12,14 @@
         "pretty": true,
         "noFallthroughCasesInSwitch": true,
         "noImplicitReturns": true,
-        "forceConsistentCasingInFileNames": true
+        "forceConsistentCasingInFileNames": true,
+        "allowImportingTsExtensions": true,
+        "noEmit": true
     },
     "files": [
         "index.ts",
         "ec2tests.ts",
         "bucket_pair.ts",
         "bucket_pair_test.ts",
     ]
-}
-
+}