| // Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| @JS() |
| library developer_events_test; |
| |
| import 'dart:developer' |
| show postEvent, registerExtension, ServiceExtensionResponse; |
| |
| import 'package:js/js.dart'; |
| import 'package:expect/expect.dart'; |
| import 'package:expect/minitest.dart'; // ignore: deprecated_member_use_from_same_package |
| |
| @JS(r'$emitDebugEvent') |
| external set emitDebugEvent(void Function(String, String)? func); |
| |
| @JS(r'$emitDebugEvent') |
| external void Function(String, String)? get emitDebugEvent; |
| |
| @JS(r'$emitRegisterEvent') |
| external set emitRegisterEvent(void Function(String)? func); |
| |
| @JS(r'$emitRegisterEvent') |
| external void Function(String)? get emitRegisterEvent; |
| |
| @JS(r'console.warn') |
| external set consoleWarn(void Function(String) func); |
| |
| @JS(r'console.warn') |
| external void Function(String) get consoleWarn; |
| |
| @JS(r'console.debug') |
| external set consoleDebug(void Function(String) func); |
| |
| @JS(r'console.debug') |
| external void Function(String) get consoleDebug; |
| |
| @JS(r'$dwdsVersion') |
| external set dwdsVersion(String? s); |
| |
| @JS(r'$dwdsVersion') |
| external String? get dwdsVersion; |
| |
| class _TestDebugEvent { |
| final String kind; |
| final String eventData; |
| _TestDebugEvent(this.kind, this.eventData); |
| } |
| |
| void main() { |
| testRegisterExtensionWarningMessage(); |
| testPostEvent(); |
| testRegisterExtension(); |
| } |
| |
| /// Verify that warning messages are printed on the first call of |
| /// `registerExtension()` when the hooks are undefined. |
| /// |
| /// Calls to `postEvent()` are always a no-op when no extension has been |
| /// registered to listen which can never happen if the hook is undefined. |
| void testRegisterExtensionWarningMessage() { |
| final consoleWarnLog = <String>[]; |
| var savedConsoleWarn = consoleWarn; |
| try { |
| // Patch our own console.warn function for testing. |
| consoleWarn = allowInterop((String s) => consoleWarnLog.add(s)); |
| expect(consoleWarnLog.isEmpty, true); |
| |
| var data0 = {'key0': 'value0'}; |
| postEvent('kind0', data0); |
| |
| // Nothing is listening, so this was a no-op. |
| expect(consoleWarnLog.isEmpty, true); |
| |
| postEvent('kind0', data0); |
| var data1 = {'key1': 'value1'}; |
| postEvent('kind1', data1); |
| |
| // No warnings should be issued because postEvent is a no-op when no |
| // extensions have been registered to listen. |
| expect(consoleWarnLog.isEmpty, true); |
| |
| consoleWarnLog.clear(); |
| |
| var testHandler = (String s, Map<String, String> m) async => |
| ServiceExtensionResponse.result('test result'); |
| |
| expect(consoleWarnLog.isEmpty, true); |
| |
| registerExtension('ext.method0', testHandler); |
| |
| // A warning message was issued about calling `registerExtension()` from |
| // dart:developer. |
| expect( |
| consoleWarnLog.single |
| .contains('registerExtension() from dart:developer'), |
| true); |
| |
| registerExtension('ext.method1', testHandler); |
| registerExtension('ext.method2', testHandler); |
| |
| // A warning is only issued on the first call of `registerExtension()`. |
| expect(consoleWarnLog.length, 1); |
| |
| consoleWarnLog.clear(); |
| |
| // The earlier call to registerExtension() was a no-op and printed a warning |
| // because no debugger hooks are defined. This means more calls to |
| // `postEvent()` are still no ops. |
| postEvent('kind0', data0); |
| postEvent('kind1', data1); |
| expect(consoleWarnLog.isEmpty, true); |
| } finally { |
| // Restore actual console.warn function. |
| consoleWarn = savedConsoleWarn; |
| } |
| } |
| |
| void testPostEvent() { |
| final debugEventLog = <_TestDebugEvent>[]; |
| var savedEmitDebugEvent = emitDebugEvent; |
| var savedDwdsVersion = dwdsVersion; |
| |
| try { |
| // Provide a test version of the $emitDebugEvent hook. |
| emitDebugEvent = allowInterop((String kind, String eventData) { |
| debugEventLog.add(_TestDebugEvent(kind, eventData)); |
| }); |
| // Provide a version to signal there is an attached debugger. |
| dwdsVersion = '1.0.0-for-test'; |
| expect(debugEventLog.isEmpty, true); |
| |
| var data0 = {'key0': 'value0'}; |
| postEvent('kind0', data0); |
| |
| expect(debugEventLog.single.kind, 'kind0'); |
| Expect.contains('"key0":"value0"', debugEventLog.single.eventData); |
| |
| var data1 = {'key1': 'value1'}; |
| var data2 = {'key2': 'value2'}; |
| postEvent('kind1', data1); |
| postEvent('kind2', data2); |
| |
| expect(debugEventLog.length, 3); |
| expect(debugEventLog[0].kind, 'kind0'); |
| Expect.contains('"key0":"value0"', debugEventLog[0].eventData); |
| expect(debugEventLog[1].kind, 'kind1'); |
| Expect.contains('"key1":"value1"', debugEventLog[1].eventData); |
| expect(debugEventLog[2].kind, 'kind2'); |
| Expect.contains('"key2":"value2"', debugEventLog[2].eventData); |
| } finally { |
| emitDebugEvent = savedEmitDebugEvent; |
| dwdsVersion = savedDwdsVersion; |
| } |
| } |
| |
| void testRegisterExtension() { |
| final registerEventLog = <String>[]; |
| var savedEmitRegisterEvent = emitRegisterEvent; |
| var savedDwdsVersion = dwdsVersion; |
| |
| try { |
| // Provide a test version of the $emitRegisterEvent hook. |
| emitRegisterEvent = allowInterop((String eventData) { |
| registerEventLog.add(eventData); |
| }); |
| // Provide a version to signal there is an attached debugger. |
| dwdsVersion = '1.0.0-for-test'; |
| expect(registerEventLog.isEmpty, true); |
| |
| var testHandler = (String s, Map<String, String> m) async => |
| ServiceExtensionResponse.result('test result'); |
| registerExtension('ext.method0', testHandler); |
| |
| expect(registerEventLog.single, 'ext.method0'); |
| |
| registerExtension('ext.method1', testHandler); |
| registerExtension('ext.method2', testHandler); |
| |
| expect(registerEventLog.length, 3); |
| expect(registerEventLog[0], 'ext.method0'); |
| expect(registerEventLog[1], 'ext.method1'); |
| expect(registerEventLog[2], 'ext.method2'); |
| } finally { |
| emitRegisterEvent = savedEmitRegisterEvent; |
| dwdsVersion = savedDwdsVersion; |
| } |
| } |