packages/devtools_app/test/event_details_test.dart

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:devtools_app/src/globals.dart';
import 'package:devtools_app/src/profiler/cpu_profiler.dart';
import 'package:devtools_app/src/service_manager.dart';
import 'package:devtools_app/src/timeline/event_details.dart';
import 'package:devtools_app/src/timeline/timeline_controller.dart';
import 'package:devtools_app/src/timeline/timeline_model.dart';
import 'package:devtools_app/src/vm_flags.dart' as vm_flags;
import 'package:devtools_testing/support/timeline_test_data.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/mockito.dart';

import 'support/mocks.dart';
import 'support/wrappers.dart';

void main() {
  group('EventDetails', () {
    EventDetails eventDetails;

    Future<void> pumpEventDetails(
      TimelineEvent selectedEvent,
      WidgetTester tester,
    ) async {
      eventDetails = EventDetails(selectedEvent);
      await tester.pumpWidget(wrapWithControllers(
        eventDetails,
        timeline: TimelineController(),
      ));
      expect(find.byType(EventDetails), findsOneWidget);
    }

    setUp(() {
      final fakeServiceManager = FakeServiceManager(useFakeService: true);
      setGlobal(ServiceConnectionManager, fakeServiceManager);
      when(serviceManager.connectedApp.isDartWebAppNow).thenReturn(false);
    });

    testWidgets('builds for UI event', (WidgetTester tester) async {
      await pumpEventDetails(goldenUiTimelineEvent, tester);
      expect(find.byType(CpuProfiler), findsOneWidget);
      expect(find.byType(CpuProfilerDisabled), findsNothing);
      expect(find.byType(EventSummary), findsNothing);
      expect(find.text(EventDetails.noEventSelected), findsNothing);
      expect(find.text(EventDetails.instructions), findsNothing);
    });

    testWidgets('builds for Raster event', (WidgetTester tester) async {
      await pumpEventDetails(goldenRasterTimelineEvent, tester);
      expect(find.byType(CpuProfiler), findsNothing);
      expect(find.byType(CpuProfilerDisabled), findsNothing);
      expect(find.byType(EventSummary), findsOneWidget);
      expect(find.text(EventDetails.noEventSelected), findsNothing);
      expect(find.text(EventDetails.instructions), findsNothing);
    });

    testWidgets('builds for ASYNC event', (WidgetTester tester) async {
      await pumpEventDetails(asyncEventWithInstantChildren, tester);
      expect(find.byType(CpuProfiler), findsNothing);
      expect(find.byType(CpuProfilerDisabled), findsNothing);
      expect(find.byType(EventSummary), findsOneWidget);
      expect(find.text(EventDetails.noEventSelected), findsNothing);
      expect(find.text(EventDetails.instructions), findsNothing);
    });

    testWidgets('builds for null event', (WidgetTester tester) async {
      await pumpEventDetails(null, tester);
      expect(find.byType(CpuProfiler), findsNothing);
      expect(find.byType(CpuProfilerDisabled), findsNothing);
      expect(find.byType(EventSummary), findsNothing);
      expect(find.text(EventDetails.noEventSelected), findsOneWidget);
      expect(find.text(EventDetails.instructions), findsOneWidget);
    });

    testWidgets('builds for disabled profiler', (WidgetTester tester) async {
      await serviceManager.service.setFlag(vm_flags.profiler, 'false');
      await pumpEventDetails(goldenUiTimelineEvent, tester);
      expect(find.byType(CpuProfiler), findsNothing);
      expect(find.byType(CpuProfilerDisabled), findsOneWidget);
      expect(find.byType(EventSummary), findsNothing);
      expect(find.text(EventDetails.noEventSelected), findsNothing);
      expect(find.text(EventDetails.instructions), findsNothing);

      await tester.tap(find.text('Enable profiler'));
      await tester.pumpAndSettle();

      expect(find.byType(CpuProfiler), findsOneWidget);
      expect(find.text(CpuProfiler.emptyCpuProfile), findsOneWidget);
      expect(find.byType(CpuProfilerDisabled), findsNothing);
      expect(find.byType(EventSummary), findsNothing);
    });
  });

  // TODO(kenz): add golden images for these tests.
  group('EventSummary', () {
    EventSummary eventSummary;
    testWidgets('event with connected events', (WidgetTester tester) async {
      eventSummary = EventSummary(asyncEventWithInstantChildren);
      await tester.pumpWidget(wrap(eventSummary));
      expect(find.byType(EventSummary), findsOneWidget);
      expect(find.text('Time'), findsOneWidget);
      expect(find.text('Thread id'), findsOneWidget);
      expect(find.text('Process id'), findsOneWidget);
      expect(find.text('Category'), findsOneWidget);
      expect(find.text('Async id'), findsOneWidget);
      expect(find.text('Connected events'), findsOneWidget);
    });

    testWidgets('event without connected events', (WidgetTester tester) async {
      eventSummary = EventSummary(goldenUiTimelineEvent);
      await tester.pumpWidget(wrap(eventSummary));
      expect(find.byType(EventSummary), findsOneWidget);
      expect(find.text('Time'), findsOneWidget);
      expect(find.text('Thread id'), findsOneWidget);
      expect(find.text('Process id'), findsOneWidget);
      expect(find.text('Category'), findsOneWidget);
      expect(find.text('Async id'), findsNothing);
      expect(find.text('Connected events'), findsNothing);
    });

    testWidgets('event with args', (WidgetTester tester) async {
      eventSummary = EventSummary(goldenRasterTimelineEvent);
      await tester.pumpWidget(wrap(eventSummary));
      expect(find.byType(EventSummary), findsOneWidget);
      expect(find.text('Time'), findsOneWidget);
      expect(find.text('Thread id'), findsOneWidget);
      expect(find.text('Process id'), findsOneWidget);
      expect(find.text('Category'), findsOneWidget);
      expect(find.text('Async id'), findsNothing);
      expect(find.text('Arguments'), findsOneWidget);
    });

    testWidgets('event without args', (WidgetTester tester) async {
      eventSummary = EventSummary(goldenUiTimelineEvent);
      await tester.pumpWidget(wrap(eventSummary));
      expect(find.byType(EventSummary), findsOneWidget);
      expect(find.text('Time'), findsOneWidget);
      expect(find.text('Thread id'), findsOneWidget);
      expect(find.text('Process id'), findsOneWidget);
      expect(find.text('Category'), findsOneWidget);
      expect(find.text('Async id'), findsNothing);
      expect(find.text('Arguments'), findsNothing);
    });
  });
}