chore: Drop mocha and chai (#1169)

Author: mykola-mokhnach

.mocharc.js

@@ -14,8 +14,8 @@
     "format:check": "prettier --check ./lib ./test",
     "prepare": "npm run build",
     "version": "npm run sync-wda-version",
-    "test": "mocha --exit --timeout 1m \"./test/unit/**/*-specs.ts\"",
-    "e2e-test": "mocha --exit --timeout 10m \"./test/functional/**/*-specs.ts\"",
+    "test": "node --test --test-timeout=60000 \"./build/test/unit/**/*.spec.js\"",
+    "e2e-test": "node --test --test-force-exit --test-concurrency=1 --test-timeout=600000 \"./build/test/functional/**/*.spec.js\"",
     "bundle": "npm run bundle:ios && npm run bundle:tv",
     "bundle:ios": "TARGET=runner SDK=sim node ./Scripts/build-webdriveragent.mjs",
     "bundle:tv": "TARGET=tv_runner SDK=tv_sim node ./Scripts/build-webdriveragent.mjs",
@@ -55,22 +55,15 @@
     "@semantic-release/changelog": "^6.0.1",
     "@semantic-release/git": "^10.0.1",
     "@types/async-lock": "^1.4.2",
-    "@types/chai": "^5.2.3",
-    "@types/chai-as-promised": "^8.0.2",
-    "@types/mocha": "^10.0.1",
     "@types/node": "^26.0.0",
     "@types/sinon": "^22.0.0",
     "appium-xcode": "^6.0.0",
-    "chai": "^6.0.0",
-    "chai-as-promised": "^8.0.0",
     "conventional-changelog-conventionalcommits": "^9.3.1",
-    "mocha": "^11.0.1",
     "node-simctl": "^8.0.0",
     "prettier": "^3.9.3",
     "semantic-release": "^25.0.2",
     "semver": "^7.3.7",
     "sinon": "^22.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^6.0.2"
   },
   "dependencies": {

package.json

@@ -1,5 +1,3 @@
-import chai, {expect} from 'chai';
-import chaiAsPromised from 'chai-as-promised';
 import {Simctl} from 'node-simctl';
 import {getSimulator} from 'appium-ios-simulator';
 import {killAllSimulators, shutdownSimulator} from './helpers/simulator';
@@ -9,15 +7,13 @@ import {retryInterval} from 'asyncbox';
 import {WebDriverAgent} from '../../lib/webdriveragent';
 import axios from 'axios';
 import type {AppleDevice} from '../../lib/types';
-
-chai.use(chaiAsPromised);
+import {describe, before, after, beforeEach, afterEach, it} from 'node:test';
+import assert from 'node:assert/strict';
 
 type SimulatorTestDevice = AppleDevice & {simctl: Simctl};
 
-const MOCHA_TIMEOUT_MS = 60 * 1000 * 5;
-
 const SIM_DEVICE_NAME = 'webDriverAgentTest';
-const SIM_STARTUP_TIMEOUT_MS = MOCHA_TIMEOUT_MS;
+const SIM_STARTUP_TIMEOUT_MS = 60 * 1000 * 5;
 
 const testUrl = 'http://localhost:8100/tree';
 
@@ -34,8 +30,6 @@ function getStartOpts(device: AppleDevice) {
 }
 
 describe('WebDriverAgent', function () {
-  this.timeout(MOCHA_TIMEOUT_MS);
-
   describe('with fresh sim', function () {
     let device: SimulatorTestDevice;
     let simctl: Simctl;
@@ -58,15 +52,12 @@ describe('WebDriverAgent', function () {
     });
 
     after(async function () {
-      this.timeout(MOCHA_TIMEOUT_MS);
-
       await shutdownSimulator(device);
 
       await simctl.deleteDevice();
     });
 
     describe('with running sim', function () {
-      this.timeout(6 * 60 * 1000);
       beforeEach(async function () {
         await killAllSimulators();
         await device.simctl.startBootMonitor({
@@ -86,14 +77,11 @@ describe('WebDriverAgent', function () {
         const agent = new WebDriverAgent(getStartOpts(device));
 
         await agent.launch('sessionId');
-        await expect(axios({url: testUrl})).to.be.rejected;
+        await assert.rejects(() => axios({url: testUrl}), /Request failed with status code 404/);
         await agent.quit();
       });
 
       it('should fail if xcodebuild fails', async function () {
-        // short timeout
-        this.timeout(35 * 1000);
-
         const agent = new WebDriverAgent(getStartOpts(device));
         (agent.xcodebuild as any).createSubProcess = async function () {
           const args = [
@@ -108,7 +96,7 @@ describe('WebDriverAgent', function () {
           return new SubProcess('xcodebuild', args, {detached: true});
         };
 
-        await expect(agent.launch('sessionId')).to.be.rejectedWith('xcodebuild failed');
+        await assert.rejects(() => agent.launch('sessionId'), /xcodebuild failed/);
 
         await agent.quit();
       });

…t/functional/webdriveragent-e2e-specs.ts …st/functional/webdriveragent-e2e.spec.tstest/functional/webdriveragent-e2e-specs.ts renamed to test/functional/webdriveragent-e2e.spec.ts test/functional/webdriveragent-e2e-specs.ts renamed to test/functional/webdriveragent-e2e.spec.ts

@@ -1,5 +1,4 @@
-import chai, {expect} from 'chai';
-import chaiAsPromised from 'chai-as-promised';
+import assert from 'node:assert/strict';
 import {getXctestrunFilePath, getAdditionalRunContent, getXctestrunFileName} from '../../lib/utils';
 import {PLATFORM_NAME_IOS, PLATFORM_NAME_TVOS} from '../../lib/constants';
 import {fs} from '@appium/support';
@@ -8,8 +7,7 @@ import {fail} from 'node:assert';
 import {arch} from 'node:os';
 import sinon from 'sinon';
 import type {DeviceInfo} from '../../lib/types';
-
-chai.use(chaiAsPromised);
+import {describe, beforeEach, afterEach, it} from 'node:test';
 
 function get_arch(): string {
   return arch() === 'arm64' ? 'arm64' : 'x86_64';
@@ -39,7 +37,8 @@ describe('utils', function () {
         .resolves(true);
       sandbox.stub(fs, 'copyFile');
       const deviceInfo: DeviceInfo = {isRealDevice: true, udid, platformVersion, platformName};
-      await expect(getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath)).to.eventually.equal(
+      assert.strictEqual(
+        await getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath),
         path.resolve(`${bootstrapPath}/${udid}_${sdkVersion}.xctestrun`),
       );
       sandbox.assert.notCalled(fs.copyFile as any);
@@ -72,7 +71,8 @@ describe('utils', function () {
         platformVersion,
         platformName: PLATFORM_NAME_IOS,
       };
-      await expect(getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath)).to.eventually.equal(
+      assert.strictEqual(
+        await getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath),
         path.resolve(`${bootstrapPath}/${udid}_${sdkVersion}.xctestrun`),
       );
     });
@@ -99,7 +99,8 @@ describe('utils', function () {
         platformVersion,
         platformName: PLATFORM_NAME_IOS,
       };
-      await expect(getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath)).to.eventually.equal(
+      assert.strictEqual(
+        await getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath),
         path.resolve(`${bootstrapPath}/${udid}_${platformVersion}.xctestrun`),
       );
       sandbox.assert.notCalled(fs.copyFile as any);
@@ -143,7 +144,8 @@ describe('utils', function () {
         platformVersion,
         platformName: PLATFORM_NAME_IOS,
       };
-      await expect(getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath)).to.eventually.equal(
+      assert.strictEqual(
+        await getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath),
         path.resolve(`${bootstrapPath}/${udid}_${platformVersion}.xctestrun`),
       );
     });
@@ -164,7 +166,8 @@ describe('utils', function () {
         await getXctestrunFilePath(deviceInfo, sdkVersion, bootstrapPath);
         fail();
       } catch (err: any) {
-        expect(err.message).to.equal(
+        assert.strictEqual(
+          err.message,
           `If you are using 'useXctestrunFile' capability then you need to have a xctestrun file (expected: '${expected}')`,
         );
       }
@@ -174,19 +177,20 @@ describe('utils', function () {
   describe('#getAdditionalRunContent', function () {
     it('should return ios format', function () {
       const wdaPort = getAdditionalRunContent(PLATFORM_NAME_IOS, 8000);
-      expect(wdaPort.WebDriverAgentRunner.EnvironmentVariables.USE_PORT).to.equal('8000');
+      assert.strictEqual(wdaPort.WebDriverAgentRunner.EnvironmentVariables.USE_PORT, '8000');
     });
 
     it('should return tvos format', function () {
       const wdaPort = getAdditionalRunContent(PLATFORM_NAME_TVOS, '9000');
-      expect(wdaPort.WebDriverAgentRunner_tvOS.EnvironmentVariables.USE_PORT).to.equal('9000');
+      assert.strictEqual(wdaPort.WebDriverAgentRunner_tvOS.EnvironmentVariables.USE_PORT, '9000');
     });
 
     it('should include max HTTP request body size if provided', function () {
       const runContent = getAdditionalRunContent(PLATFORM_NAME_IOS, 8000, undefined, 1024);
-      expect(
+      assert.strictEqual(
         runContent.WebDriverAgentRunner.EnvironmentVariables.MAX_HTTP_REQUEST_BODY_SIZE,
-      ).to.equal('1024');
+        '1024',
+      );
     });
   });
 
@@ -198,7 +202,8 @@ describe('utils', function () {
       const platformName = 'iOs';
       const deviceInfo: DeviceInfo = {isRealDevice: true, udid, platformVersion, platformName};
 
-      expect(getXctestrunFileName(deviceInfo, '10.2.0')).to.equal(
+      assert.strictEqual(
+        getXctestrunFileName(deviceInfo, '10.2.0'),
         'WebDriverAgentRunner_iphoneos10.2.0-arm64.xctestrun',
       );
     });
@@ -207,7 +212,8 @@ describe('utils', function () {
       const platformName = 'ios';
       const deviceInfo: DeviceInfo = {isRealDevice: false, udid, platformVersion, platformName};
 
-      expect(getXctestrunFileName(deviceInfo, '10.2.0')).to.equal(
+      assert.strictEqual(
+        getXctestrunFileName(deviceInfo, '10.2.0'),
         `WebDriverAgentRunner_iphonesimulator10.2.0-${get_arch()}.xctestrun`,
       );
     });
@@ -216,7 +222,8 @@ describe('utils', function () {
       const platformName = 'tVos';
       const deviceInfo: DeviceInfo = {isRealDevice: true, udid, platformVersion, platformName};
 
-      expect(getXctestrunFileName(deviceInfo, '10.2.0')).to.equal(
+      assert.strictEqual(
+        getXctestrunFileName(deviceInfo, '10.2.0'),
         'WebDriverAgentRunner_tvOS_appletvos10.2.0-arm64.xctestrun',
       );
     });
@@ -225,7 +232,8 @@ describe('utils', function () {
       const platformName = 'tvOS';
       const deviceInfo: DeviceInfo = {isRealDevice: false, udid, platformVersion, platformName};
 
-      expect(getXctestrunFileName(deviceInfo, '10.2.0')).to.equal(
+      assert.strictEqual(
+        getXctestrunFileName(deviceInfo, '10.2.0'),
         `WebDriverAgentRunner_tvOS_appletvsimulator10.2.0-${get_arch()}.xctestrun`,
       );
     });