chore: Replaced vitest (#44)

Author: jsumners-nr

package.json

@@ -18,15 +18,14 @@
   "scripts": {
     "lint": "eslint .",
     "lint:fix": "eslint --fix .",
-    "test": "vitest run",
-    "test:watch": "vitest"
+    "test": "node --test tests/tests.test.mjs",
+    "test:watch": "node --watch --test tests/tests.test.mjs"
   },
   "devDependencies": {
     "@types/node": "^18.0.0",
     "eslint": "^9.39.4",
     "neostandard": "^0.13.0",
-    "typescript": "^5.8.3",
-    "vitest": "^2.1.8"
+    "typescript": "^5.8.3"
   },
   "volta": {
     "node": "22.15.0"

tests/arguments_mutation/mod.js

@@ -2,7 +2,7 @@
  * Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
  * This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2025 Datadog, Inc.
  **/
-const assert = require('assert');
+const assert = require('node:assert');
 
 function fetch_simple (url, cb) {
   assert.strictEqual(this.this, 'this');

tests/arguments_mutation/test.js

@@ -3,8 +3,8 @@
  * This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2025 Datadog, Inc.
  **/
 const { fetch_simple, fetch_complex } = require('./instrumented.js');
-const assert = require('assert');
-const { tracingChannel } = require('diagnostics_channel');
+const assert = require('node:assert');
+const { tracingChannel } = require('node:diagnostics_channel');
 
 const handler = {
   start (message) {

tests/common/preamble.js

@@ -2,8 +2,8 @@
  * Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
  * This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2025 Datadog, Inc.
  **/
-const { tracingChannel } = require('diagnostics_channel');
-const assert = require('assert');
+const { tracingChannel } = require('node:diagnostics_channel');
+const assert = require('node:assert');
 function getContext (channelName) {
   const channel = tracingChannel(channelName);
   const context = {};

tests/custom_transform_cjs/test.js

@@ -1,5 +1,5 @@
 const { fetch } = require('./instrumented.js');
-const assert = require('assert');
+const assert = require('node:assert');
 
 fetch('https://example.com');
 assert.strictEqual(global.__customCalled, true);

tests/polyfill_cjs/polyfill.js

@@ -2,7 +2,7 @@
  * Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
  * This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2025 Datadog, Inc.
  **/
-module.exports = require('diagnostics_channel');
+module.exports = require('node:diagnostics_channel');
 const tracingChannel = module.exports.tracingChannel;
 tracingChannel.polyfilled = true;
 module.exports.tracingChannel = tracingChannel;

tests/polyfill_cjs/test.js

@@ -4,7 +4,7 @@
  **/
 const { fetch } = require('./instrumented.js');
 const { assert, getContext } = require('../common/preamble.js');
-const { tracingChannel } = require('diagnostics_channel');
+const { tracingChannel } = require('node:diagnostics_channel');
 const context = getContext('orchestrion:undici:fetch_decl');
 (async () => {
   const result = await fetch('https://example.com');

tests/polyfill_mjs/polyfill.js

@@ -2,7 +2,7 @@
  * Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
  * This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2025 Datadog, Inc.
  **/
-const dc = require('diagnostics_channel')
+const dc = require('node:diagnostics_channel')
 const api = {}
 api.tracingChannel = dc.tracingChannel
 api.tracingChannel.polyfilled = true

tests/tests.test.mjs

@@ -1,5 +1,6 @@
 import { create } from '../lib/index.js'
-import { describe, test, expect } from 'vitest'
+import { describe, test } from 'node:test'
+import assert from 'node:assert'
 import { readFileSync, writeFileSync, rmSync, existsSync } from 'node:fs'
 import { spawnSync } from 'node:child_process'
 import { join, dirname } from 'node:path'
@@ -43,7 +44,7 @@ function runTest (testName, configs, { mjs = false, filePath = TEST_MODULE_PATH,
     const output = (result.stdout?.toString() || '') + (result.stderr?.toString() || '')
     throw new Error(`node test.${ext} exited with ${result.status}:\n${output}`)
   }
-  expect(result.status).toBe(0)
+  assert.equal(result.status, 0)
 }
 
 describe('arguments_mutation', () => {
@@ -461,7 +462,7 @@ describe('buffer_input', () => {
     const fromString = transformer.transform(code, 'cjs')
     const fromBuffer = transformer.transform(Buffer.from(code), 'cjs')
 
-    expect(fromBuffer.code).toBe(fromString.code)
+    assert.equal(fromBuffer.code, fromString.code)
   })
 })
 
@@ -488,20 +489,20 @@ describe('source_map', () => {
     const transformer = instrumentor.getTransformer(TEST_MODULE_NAME, TEST_MODULE_VERSION, TEST_MODULE_PATH)
     const { code: generatedCode, map } = transformer.transform(originalCode, 'cjs')
 
-    expect(map).toBeTruthy()
+    assert.ok(map)
 
     const consumer = new SourceMapConsumer(JSON.parse(map))
     const generatedLines = generatedCode.split('\n')
 
     // Find the generated line containing `return 42` and the column of `42`
     const generatedLine = generatedLines.findIndex(l => l.includes('return 42')) + 1
-    expect(generatedLine).toBeGreaterThan(0)
+    assert.equal(generatedLine > 0, true)
     const generatedColumn = generatedLines[generatedLine - 1].indexOf('42')
 
     const original = consumer.originalPositionFor({ line: generatedLine, column: generatedColumn })
 
-    expect(original.line).toBe(originalReturnLine)
-    expect(original.column).toBe(originalReturnColumn)
+    assert.equal(original.line, originalReturnLine)
+    assert.equal(original.column, originalReturnColumn)
   })
 })