test: convert some packages unit and e2e tests to vitest (#6584)

Author: kuhe

.vscode/settings.json

@@ -10,5 +10,6 @@
   "editor.codeActionsOnSave": {
     "source.fixAll.eslint": "explicit"
   },
-  "typescript.tsdk": "node_modules/typescript/lib"
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "vitest.disableWorkspaceWarning": true
 }

clients/client-ec2/jest.config.js

@@ -4,9 +4,5 @@
  * For tests that involve network requests to live services, see jest.config.e2e.js.
  */
 module.exports = {
-  projects: [
-    "<rootDir>/lib/*/jest.config.js",
-    "<rootDir>/private/*/jest.config.js",
-    "<rootDir>/packages/*/jest.config.js",
-  ],
+  projects: ["<rootDir>/private/*/jest.config.js", "<rootDir>/packages/*/jest.config.js"],
 };

jest.config.js

@@ -14,8 +14,10 @@
     "build:types:downlevel": "downlevel-dts dist-types dist-types/ts3.4",
     "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo",
     "extract:docs": "api-extractor run --local",
-    "test": "jest",
-    "test:e2e": "jest --config jest.config.e2e.js"
+    "test": "vitest run",
+    "test:e2e": "vitest run -c vitest.config.e2e.ts",
+    "test:watch": "vitest watch",
+    "test:e2e:watch": "vitest watch -c vitest.config.e2e.ts"
   },
   "engines": {
     "node": ">=16.0.0"

lib/lib-dynamodb/jest.config.e2e.js

@@ -1,4 +1,5 @@
 import { Handler, MiddlewareStack } from "@smithy/types";
+import { describe, expect, test as it } from "vitest";
 
 import { KeyNodeChildren } from "../commands/utils";
 import { DynamoDBDocumentClientCommand } from "./DynamoDBDocumentClientCommand";
@@ -34,8 +35,7 @@ class AnyCommand extends DynamoDBDocumentClientCommand<{}, {}, {}, {}, {}> {
 }
 
 describe("DynamoDBDocumentClientCommand", () => {
-  // ToDo: Investigate why Jest29 throws TypeError: Class constructor Command cannot be invoked without 'new'
-  it.skip("should not allow usage of the default middlewareStack", () => {
+  it("should not allow usage of the default middlewareStack", () => {
     const command = new AnyCommand();
     command.resolveMiddleware(null as any, null as any, null as any);
     {

lib/lib-dynamodb/jest.config.js

@@ -1,3 +1,5 @@
+import { describe, expect, test as it } from "vitest";
+
 import { marshallInput } from "./utils";
 
 describe("marshallInput and processObj", () => {

lib/lib-dynamodb/package.json

@@ -1,3 +1,5 @@
+import { describe, expect, test as it } from "vitest";
+
 import { marshallInput, unmarshallOutput } from "./utils";
 
 describe("utils", () => {