packages/devtools_app/test/debugger_codeview_test.dart

// Copyright 2020 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 'dart:io';

import 'package:devtools_app/src/config_specific/ide_theme/ide_theme.dart';
import 'package:devtools_app/src/screens/debugger/debugger_controller.dart';
import 'package:devtools_app/src/screens/debugger/debugger_model.dart';
import 'package:devtools_app/src/screens/debugger/debugger_screen.dart';
import 'package:devtools_app/src/scripts/script_manager.dart';
import 'package:devtools_app/src/service/service_manager.dart';
import 'package:devtools_app/src/shared/globals.dart';
import 'package:devtools_test/devtools_test.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:mockito/mockito.dart';

import 'matchers/matchers.dart';

void main() {
  late FakeServiceManager fakeServiceManager;
  late MockDebuggerControllerLegacy debuggerController;
  late MockScriptManager scriptManager;

  const smallWindowSize = Size(1000.0, 1000.0);

  setUp(() {
    fakeServiceManager = FakeServiceManager();
    scriptManager = MockScriptManager();
    when(fakeServiceManager.connectedApp!.isProfileBuildNow).thenReturn(false);
    when(fakeServiceManager.connectedApp!.isDartWebAppNow).thenReturn(false);
    setGlobal(ServiceConnectionManager, fakeServiceManager);
    setGlobal(IdeTheme, IdeTheme());
    setGlobal(ScriptManager, scriptManager);
    fakeServiceManager.consoleService.ensureServiceInitialized();
    when(fakeServiceManager.errorBadgeManager.errorCountNotifier('debugger'))
        .thenReturn(ValueNotifier<int>(0));
    debuggerController = MockDebuggerControllerLegacy.withDefaults();
    final scriptsHistory = ScriptsHistory();
    scriptsHistory.pushEntry(mockScript!);
    when(debuggerController.currentScriptRef)
        .thenReturn(ValueNotifier(mockScriptRef));
    when(debuggerController.currentParsedScript)
        .thenReturn(ValueNotifier(mockParsedScript));
    when(debuggerController.showSearchInFileField)
        .thenReturn(ValueNotifier(false));
    when(debuggerController.showFileOpener).thenReturn(ValueNotifier(false));
    when(debuggerController.scriptsHistory).thenReturn(scriptsHistory);
    when(debuggerController.searchMatches).thenReturn(ValueNotifier([]));
    when(debuggerController.activeSearchMatch).thenReturn(ValueNotifier(null));
  });

  Future<void> pumpDebuggerScreen(
    WidgetTester tester,
    DebuggerController controller,
  ) async {
    await tester.pumpWidget(
      wrapWithControllers(
        const DebuggerScreenBody(),
        debugger: controller,
      ),
    );
  }

  testWidgetsWithWindowSize(
    'has a horizontal and a vertical scrollbar',
    smallWindowSize,
    (WidgetTester tester) async {
      await pumpDebuggerScreen(tester, debuggerController);

      // TODO(elliette): https://github.com/flutter/flutter/pull/88152 fixes
      // this so that forcing a scroll event is no longer necessary. Remove
      // once the change is in the stable release.
      debuggerController.showScriptLocation(
        ScriptLocation(
          mockScriptRef,
          location: const SourcePosition(line: 50, column: 50),
        ),
      );
      await tester.pumpAndSettle();

      expect(find.byType(Scrollbar), findsNWidgets(2));
      expect(
        find.byKey(const Key('debuggerCodeViewVerticalScrollbarKey')),
        findsOneWidget,
      );
      expect(
        find.byKey(const Key('debuggerCodeViewHorizontalScrollbarKey')),
        findsOneWidget,
      );
      await expectLater(
        find.byKey(DebuggerScreenBody.codeViewKey),
        matchesDevToolsGolden('goldens/codeview_scrollbars.png'),
      );
    },
    skip: !Platform.isMacOS,
  );
}