Timeline self-integration testing (wix#2522)

detox/src/DetoxExportWrapper.js

@@ -4,7 +4,7 @@ const DetoxConstants = require('./DetoxConstants');
 const configuration = require('./configuration');
 const logger = require('./utils/logger');
 const log = logger.child({ __filename });
-const { traceCall } = require('./utils/trace');
+const { trace, traceCall } = require('./utils/trace');
 
 const _detox = Symbol('detox');
 const _shouldLogInitError = Symbol('shouldLogInitError');
@@ -35,6 +35,7 @@ class DetoxExportWrapper {
   async init(configOverride, userParams) {
     let configError, exposeGlobals, resolvedConfig;
 
+    trace.init();
     logger.reinitialize(Detox.global);
 
     try {

detox/src/artifacts/timeline/TimelineArtifactPlugin.js

@@ -4,20 +4,23 @@ const ArtifactPlugin = require('../templates/plugin/ArtifactPlugin');
 const FileArtifact = require('../templates/artifact/FileArtifact');
 const { trace } = require('../../utils/trace');
 const ChromeTracingExporter = require('../../utils/ChromeTracingExporter');
+const fakeTimestampsProvider = require('../../utils/fakeTimestampsProvider');
 
-const traceStub = {
+const traceNoop = {
   startSection: _noop,
   endSection: _noop,
 };
 
 class TimelineArtifactPlugin extends ArtifactPlugin {
   constructor(config) {
     super(config);
+    this._useFakeTimestamps = config.useFakeTimestamps;
 
-    this._trace = this.enabled ? trace : traceStub;
+    const threadId = process.env.JEST_WORKER_ID || process.pid;
+    this._trace = this.enabled ? trace : traceNoop;
     this._traceExporter = new ChromeTracingExporter({
       process: { id: 0, name: 'detox' },
-      thread: { id: process.pid, name: `Worker #${process.pid}` },
+      thread: { id: threadId, name: `Worker #${threadId}` },
     });
   }
 
@@ -57,7 +60,8 @@ class TimelineArtifactPlugin extends ArtifactPlugin {
 
     const traceLogPath = await this.api.preparePathForArtifact(`detox.trace.json`);
     const append = await this._logFileExists(traceLogPath);
-    const data = this._traceExporter.export(trace.events, append);
+    const events = this._useFakeTimestamps ? this._transformEventTimestamps(trace.events) : trace.events;
+    const data = this._traceExporter.export(events, append);
 
     const fileArtifact = new FileArtifact({ temporaryData: data });
     await fileArtifact.save(traceLogPath, { append });
@@ -67,6 +71,13 @@ class TimelineArtifactPlugin extends ArtifactPlugin {
     return fs.access(traceLogPath).then(() => true).catch(() => false);
   }
 
+  _transformEventTimestamps(events) {
+    return events.map((event) => ({
+      ...event,
+      ts: fakeTimestampsProvider(),
+    }));
+  }
+
   /** @param {string} config */
   static parseConfig(config) {
     return {

detox/src/artifacts/timeline/TimelineArtifactPlugin.test.js

@@ -1,5 +1,4 @@
 const _ = require('lodash');
-
 const latestInstanceOf = (clazz) => _.last(clazz.mock.instances);
 
 describe('TimelineArtifactPlugin', () => {
@@ -17,6 +16,7 @@ describe('TimelineArtifactPlugin', () => {
   let chromeTracingExporterObj;
   let FileArtifact;
   let fileArtifactObj;
+  let Trace;
   let trace;
   let TimelineArtifactPlugin;
   let uutEnabled;
@@ -35,11 +35,12 @@ describe('TimelineArtifactPlugin', () => {
     FileArtifact = require('../templates/artifact/FileArtifact');
     fileArtifactObj = () => latestInstanceOf(FileArtifact);
 
-    const { Trace } = jest.genMockFromModule('../../utils/trace');
-    const mockTrace = new Trace();
+    const { Trace: MockTrace } = jest.genMockFromModule('../../utils/trace');
+    const mockTrace = new MockTrace();
     jest.mock('../../utils/trace', () => ({
       trace: mockTrace,
     }));
+    Trace = MockTrace;
     trace = mockTrace;
 
     TimelineArtifactPlugin = require('./TimelineArtifactPlugin');
@@ -205,9 +206,10 @@ describe('TimelineArtifactPlugin', () => {
       expect(fs.access).not.toHaveBeenCalled();
     });
 
-    it('should properly init the trace-events exporter', async () => {
-      const expectedThreadId = process.pid;
-      const expectedThreadName = `Worker #${process.pid}`;
+    it('should properly init the trace-events exporter, and use the jest worker ID for thread-ID', async () => {
+      process.env.JEST_WORKER_ID = '102030';
+      const expectedThreadId = '102030';
+      const expectedThreadName = `Worker #102030`;
       const uut = uutEnabled();
 
       const exportedData = JSON.stringify({ mocked: 'mocked data' });
@@ -219,7 +221,82 @@ describe('TimelineArtifactPlugin', () => {
       expect(ChromeTracingExporter).toHaveBeenCalledWith({
         process: { id: 0, name: 'detox' },
         thread: { id: expectedThreadId, name: expectedThreadName },
-      })
+      });
+    });
+
+    it('should resort to our pid as the exporter\'s thread-ID if not running using Jest', async () => {
+      process.env.JEST_WORKER_ID = '';
+      const expectedThreadId = process.pid;
+      const expectedThreadName = `Worker #${process.pid}`;
+      const uut = uutEnabled();
+
+      const exportedData = JSON.stringify({ mocked: 'mocked data' });
+      givenArtifactFileNotExists();
+      givenExportedTraceDataResult(exportedData);
+
+      await uut.onBeforeCleanup();
+
+      expect(ChromeTracingExporter).toHaveBeenCalledWith(expect.objectContaining({
+        thread: { id: expectedThreadId, name: expectedThreadName },
+      }));
+    });
+
+    it('should use trace events as inpute to data exporter', async () => {
+      trace.events = [
+        { name: 'mock-event', type: 'start', ts: 1234},
+        { name: 'mock-event', type: 'end', ts: 1235},
+      ];
+      const uut = uutEnabled();
+
+      givenArtifactFileNotExists();
+      givenExportedTraceDataResult('mock');
+
+      await uut.onBeforeCleanup();
+
+      expect(chromeTracingExporterObj().export).toHaveBeenCalledWith(trace.events, false);
+    });
+
+    it('should pass in append=true to exporter if artifact file already exists', async () => {
+      trace.events = [];
+      const uut = uutEnabled();
+
+      givenArtifactFileAlreadyExists();
+      givenExportedTraceDataResult('mock');
+
+      await uut.onBeforeCleanup();
+
+      expect(chromeTracingExporterObj().export).toHaveBeenCalledWith([], true);
+    });
+
+    describe('In a stub-like operational mode', () => {
+      let uut;
+      beforeEach(() => {
+        uut = new TimelineArtifactPlugin({
+          ...configMock({ enabled: true }),
+          useFakeTimestamps: true,
+        });
+      });
+
+      it('should rewrite the timeline events with fake (deterministic) timestamps', async () => {
+        const events = [
+          { type: 'init', ts: 1233},
+          { name: 'mock-event', type: 'start', ts: 1234},
+          { name: 'mock-event', type: 'end', ts: 1235},
+        ];
+        const expectedEvents = [
+          { type: 'init', ts: 1000},
+          { name: 'mock-event', type: 'start', ts: 1100},
+          { name: 'mock-event', type: 'end', ts: 1200},
+        ];
+        trace.events = events;
+
+        givenArtifactFileNotExists();
+        givenExportedTraceDataResult('mock');
+
+        await uut.onBeforeCleanup();
+
+        expect(chromeTracingExporterObj().export).toHaveBeenCalledWith(expectedEvents, false);
+      });
     });
   });
 

detox/src/devices/drivers/android/AndroidDriver.js

@@ -51,7 +51,7 @@ class AndroidDriver extends DeviceDriverBase {
       log: (api) => new ADBLogcatPlugin({ api, adb, devicePathBuilder }),
       screenshot: (api) => new ADBScreencapPlugin({ api, adb, devicePathBuilder }),
       video: (api) => new ADBScreenrecorderPlugin({ api, adb, devicePathBuilder }),
-      timeline: (api) => new TimelineArtifactPlugin({api, adb, devicePathBuilder}),
+      timeline: (api) => new TimelineArtifactPlugin({ api }),
     };
   }
 

detox/src/matchersRegistry.test.js

@@ -46,7 +46,6 @@ describe('Detox matchers registry', () => {
 
   it('should init the Android-matchers with opts', () => {
     withAndroidDevice();
-
     uut.resolve(device, opts);
     expect(AndroidExpect).toHaveBeenCalledWith(opts);
   });

detox/src/utils/__mocks__/trace.js

@@ -1,5 +1,6 @@
 class FakeTrace {
   constructor() {
+    this.init = jest.fn();
     this.startSection = jest.fn();
     this.endSection = jest.fn();
     this.events = [];

detox/src/utils/fakeTimestampsProvider.js

@@ -0,0 +1,9 @@
+let _timestamp = 1000;
+
+function nextTimestamp() {
+  const timestamp = _timestamp;
+  _timestamp += 100;
+  return timestamp;
+}
+
+module.exports = nextTimestamp;

detox/src/utils/fakeTimestampsProvider.test.js

@@ -0,0 +1,8 @@
+describe('Fake-timestamps provider', () => {
+  it('should provide timestamps in fixed intervals', () => {
+    const now = require('./fakeTimestampsProvider');
+    expect(now()).toEqual(1000);
+    expect(now()).toEqual(1100);
+    expect(now()).toEqual(1200);
+  });
+});

detox/src/utils/trace.js

@@ -1,5 +1,9 @@
 class Trace {
-  constructor(timestampProviderFn = Date.now) {
+  constructor() {
+    this.events = [];
+  }
+
+  init(timestampProviderFn = Date.now) {
     this._timestampProviderFn = timestampProviderFn;
     this.events = [
       this._event('init'),
@@ -30,7 +34,7 @@ class Trace {
   }
 }
 
-const trace = new Trace();
+let trace = new Trace();
 async function traceCall(sectionName, func) {
   trace.startSection(sectionName);
   try {

detox/src/utils/trace.test.js

@@ -1,13 +1,19 @@
 describe('Trace util', () => {
   const timestampProviderFn = () => 1234;
 
+  let Trace;
   let uut;
   beforeEach(() => {
-    const { Trace } = require('./trace');
-    uut = new Trace(timestampProviderFn);
+    Trace = require('./trace').Trace;
+    uut = new Trace();
+    uut.init(timestampProviderFn);
   });
 
-  it('should produce an init event at creation time', () => {
+  it('should produce an empty events list upon creation', () => {
+    expect(new Trace().events).toEqual([]);
+  });
+
+  it('should produce an init event at init time', () => {
     expect(uut.events).toEqual([{
       type: 'init',
       ts: 1234,
@@ -60,6 +66,7 @@ describe('Trace util', () => {
 
   it('should export an instance', () => {
     const { trace } = require('./trace');
+    trace.init();
     trace.startSection('section1', {});
     trace.endSection('section1', {});
     trace.reset();
@@ -95,6 +102,7 @@ describe('Trace util', () => {
     it('should trace a successful function', async () => {
       const functionCall = () => Promise.resolve(42);
 
+      trace.init();
       const result = await traceCall(sectionName, functionCall);
       expect(trace.events).toEqual([
         expect.any(Object),
@@ -109,6 +117,7 @@ describe('Trace util', () => {
       const functionCall = () => Promise.reject(error);
 
       try {
+        trace.init();
         await traceCall(sectionName, functionCall);
         fail('Expected an error');
       } catch (e) {

detox/test/integration/__snapshots__/timeline-artifact.test.js.snap

@@ -0,0 +1,3 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Timeline integration test should deterministically produce a timeline artifact 1`] = `"[{\\"name\\":\\"process_name\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1000,\\"ph\\":\\"M\\",\\"args\\":{\\"name\\":\\"detox\\"}},{\\"name\\":\\"thread_name\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1000,\\"ph\\":\\"M\\",\\"args\\":{\\"name\\":\\"Worker #2\\"}},{\\"name\\":\\"detoxInit\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1100,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"acquireDevice\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1200,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"acquireDevice\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1300,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"appUninstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1400,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"appUninstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1500,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"appInstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1600,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"appInstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1700,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"launchApp\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1800,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"launchApp\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":1900,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"detoxInit\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2000,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"StubDevice#2\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2100,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"Stub2\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2200,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"should have welcome screen\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2300,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2400,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2500,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"should have welcome screen\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2600,\\"ph\\":\\"E\\",\\"args\\":{\\"status\\":\\"passed\\"}},{\\"name\\":\\"should show hello screen after tap\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2700,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2800,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":2900,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"should show hello screen after tap\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3000,\\"ph\\":\\"E\\",\\"args\\":{\\"status\\":\\"passed\\"}},{\\"name\\":\\"Stub2\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3100,\\"ph\\":\\"E\\",\\"args\\":{}},{\\"name\\":\\"StubDevice#2\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3200,\\"ph\\":\\"E\\",\\"args\\":{}},{\\"name\\":\\"process_name\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1000,\\"ph\\":\\"M\\",\\"args\\":{\\"name\\":\\"detox\\"}},{\\"name\\":\\"thread_name\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1000,\\"ph\\":\\"M\\",\\"args\\":{\\"name\\":\\"Worker #1\\"}},{\\"name\\":\\"detoxInit\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1100,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"acquireDevice\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1200,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"acquireDevice\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1300,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"appUninstall\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1400,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"appUninstall\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1500,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"appInstall\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1600,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"appInstall\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1700,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"launchApp\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1800,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"launchApp\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":1900,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"detoxInit\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2000,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"StubDevice#1\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2100,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"Stub3\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2200,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"should have welcome screen\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2300,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2400,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2500,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"should have welcome screen\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2600,\\"ph\\":\\"E\\",\\"args\\":{\\"status\\":\\"passed\\"}},{\\"name\\":\\"should show hello screen after tap\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2700,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2800,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":2900,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"should show hello screen after tap\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3000,\\"ph\\":\\"E\\",\\"args\\":{\\"status\\":\\"passed\\"}},{\\"name\\":\\"should show world screen after tap\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3100,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3200,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3300,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"should show world screen after tap\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3400,\\"ph\\":\\"E\\",\\"args\\":{\\"status\\":\\"passed\\"}},{\\"name\\":\\"Stub3\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3500,\\"ph\\":\\"E\\",\\"args\\":{}},{\\"name\\":\\"StubDevice#1\\",\\"pid\\":0,\\"tid\\":\\"1\\",\\"ts\\":3600,\\"ph\\":\\"E\\",\\"args\\":{}},{\\"name\\":\\"process_name\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3300,\\"ph\\":\\"M\\",\\"args\\":{\\"name\\":\\"detox\\"}},{\\"name\\":\\"thread_name\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3300,\\"ph\\":\\"M\\",\\"args\\":{\\"name\\":\\"Worker #2\\"}},{\\"name\\":\\"detoxInit\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3400,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"acquireDevice\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3500,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"acquireDevice\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3600,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"appUninstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3700,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"appUninstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3800,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"appInstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":3900,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"appInstall\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4000,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"launchApp\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4100,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"launchApp\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4200,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"detoxInit\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4300,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"StubDevice#2\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4400,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"Stub1\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4500,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"should have welcome screen\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4600,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4700,\\"ph\\":\\"B\\",\\"args\\":{}},{\\"name\\":\\"reloadRN\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4800,\\"ph\\":\\"E\\",\\"args\\":{\\"success\\":true}},{\\"name\\":\\"should have welcome screen\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":4900,\\"ph\\":\\"E\\",\\"args\\":{\\"status\\":\\"failed\\"}},{\\"name\\":\\"Stub1\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":5000,\\"ph\\":\\"E\\",\\"args\\":{}},{\\"name\\":\\"StubDevice#2\\",\\"pid\\":0,\\"tid\\":\\"2\\",\\"ts\\":5100,\\"ph\\":\\"E\\",\\"args\\":{}}"`;

detox/test/integration/config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  "testMatch": ["<rootDir>/*.test.js"],
+  "testTimeout": 120000,
+  "verbose": true,
+  "bail": false,
+};

detox/test/integration/e2e/config.js

@@ -0,0 +1,10 @@
+module.exports = {
+  "rootDir": "../..",
+  "testEnvironment": "../test/e2e/environment.js",
+  "testRunner": "../test/node_modules/jest-circus/runner",
+  "testMatch": ["<rootDir>/integration/e2e/*.test.js"],
+  "setupFilesAfterEnv": [],
+  "testTimeout": 120000,
+  "verbose": false,
+  "bail": false,
+};

detox/test/integration/e2e/stub1.test.js

@@ -0,0 +1,13 @@
+describe('Stub1', () => {
+  beforeEach(async () => {
+    await device.reloadReactNative();
+    await element(by.text('Sanity')).tap();
+  });
+
+  it('should have welcome screen', async () => {
+    await expect(element(by.text('Welcome'))).toBeVisible();
+    await expect(element(by.text('Say Hello'))).toBeVisible();
+    await expect(element(by.text('Say World'))).toBeVisible();
+    throw new Error(`I'm only here to make things interesting!`);
+  });
+});