test(amazonq): add performance test for zipCode aws#5709

## Problem
Previous work: https://github.com/aws/aws-toolkit-vscode/pull/5677/files

## Solution
Same as previous I/O performance tests.

Author: Hweinstock

packages/core/src/testInteg/zipcode.test.ts

@@ -0,0 +1,93 @@
+/*!
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import assert from 'assert'
+import * as sinon from 'sinon'
+import { TransformByQState, ZipManifest } from '../codewhisperer'
+import { fs, getRandomString, globals } from '../shared'
+import { createTestWorkspace } from '../test/testUtil'
+import * as CodeWhispererConstants from '../codewhisperer/models/constants'
+import { performanceTest } from '../shared/performance/performance'
+import { zipCode } from '../codewhisperer/indexNode'
+
+interface SetupResult {
+    tempDir: string
+    tempFileName: string
+    transformQManifest: ZipManifest
+    writeSpy: sinon.SinonSpy
+}
+
+async function setup(numberOfFiles: number, fileSize: number): Promise<SetupResult> {
+    const transformByQState: TransformByQState = new TransformByQState()
+    const tempFileName = `testfile-${globals.clock.Date.now()}.zip`
+    const tempDir = (
+        await createTestWorkspace(numberOfFiles, {
+            fileNamePrefix: 'file',
+            fileContent: getRandomString(fileSize),
+            fileNameSuffix: '.md',
+        })
+    ).uri.fsPath
+    const writeSpy = sinon.spy(fs, 'writeFile')
+    const transformQManifest = new ZipManifest()
+    transformByQState.setProjectPath(tempDir)
+    transformQManifest.customBuildCommand = CodeWhispererConstants.skipUnitTestsBuildCommand
+    return { tempDir, tempFileName, transformQManifest, writeSpy }
+}
+
+function performanceTestWrapper(numberOfFiles: number, fileSize: number) {
+    return performanceTest(
+        {
+            testRuns: 10,
+            linux: {
+                userCpuUsage: 120,
+                systemCpuUsage: 50,
+                heapTotal: 4,
+            },
+            darwin: {
+                userCpuUsage: 120,
+                systemCpuUsage: 50,
+                heapTotal: 4,
+            },
+            win32: {
+                userCpuUsage: 120,
+                systemCpuUsage: 50,
+                heapTotal: 4,
+            },
+        },
+        'zipCode',
+        function () {
+            return {
+                setup: async () => await setup(numberOfFiles, fileSize),
+                execute: async ({ tempDir, tempFileName, transformQManifest, writeSpy }: SetupResult) => {
+                    await zipCode({
+                        dependenciesFolder: {
+                            path: tempDir,
+                            name: tempFileName,
+                        },
+                        humanInTheLoopFlag: false,
+                        modulePath: tempDir,
+                        zipManifest: transformQManifest,
+                    })
+                },
+                verify: async (setup: SetupResult) => {
+                    assert.ok(
+                        setup.writeSpy.args.find((arg) => {
+                            return arg[0].endsWith('.zip')
+                        })
+                    )
+                },
+            }
+        }
+    )
+}
+
+describe('zipCode', function () {
+    describe('performance tests', function () {
+        afterEach(function () {
+            sinon.restore()
+        })
+        performanceTestWrapper(250, 10)
+        performanceTestWrapper(10, 1000)
+    })
+})