Initial project

packages/im_log_sdk/test/im_log_sdk_method_channel_test.dart

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+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:im_log_sdk/im_log_sdk_method_channel.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  MethodChannelImLogSdk platform = MethodChannelImLogSdk();
+  const MethodChannel channel = MethodChannel('im_log_sdk');
+
+  setUp(() {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, (MethodCall methodCall) async {
+          return '42';
+        });
+  });
+
+  tearDown(() {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, null);
+  });
+
+  test('getPlatformVersion', () async {
+    expect(await platform.getPlatformVersion(), '42');
+  });
+}

packages/im_log_sdk/test/im_log_sdk_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:im_log_sdk/im_log_sdk_platform_interface.dart';
+import 'package:im_log_sdk/im_log_sdk_method_channel.dart';
+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+
+class MockImLogSdkPlatform
+    with MockPlatformInterfaceMixin
+    implements ImLogSdkPlatform {
+  @override
+  Future<String?> getPlatformVersion() => Future.value('42');
+}
+
+void main() {
+  final ImLogSdkPlatform initialPlatform = ImLogSdkPlatform.instance;
+
+  test('$MethodChannelImLogSdk is the default instance', () {
+    expect(initialPlatform, isInstanceOf<MethodChannelImLogSdk>());
+  });
+
+  test('getPlatformVersion', () async {
+    MockImLogSdkPlatform fakePlatform = MockImLogSdkPlatform();
+    ImLogSdkPlatform.instance = fakePlatform;
+  });
+}