Added TimeOfDay and Color adapters & tests!

lib/src/adapters/color_adapter.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:hive/hive.dart';
+
+class ColorAdapter extends TypeAdapter<Color> {
+  @override
+  Color read(BinaryReader reader) {
+    final colorValue = reader.readInt();
+    return Color(colorValue);
+  }
+
+  @override
+  void write(BinaryWriter writer, Color obj) {
+    writer.writeInt(obj.value);
+  }
+
+  @override
+  int get typeId => 200;
+}

lib/src/adapters/time_adapter.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:hive/hive.dart';
+
+class TimeAdapter extends TypeAdapter<TimeOfDay> {
+  @override
+  TimeOfDay read(BinaryReader reader) {
+    final string = reader.readString();
+    final hourMinute =
+        string.substring(string.indexOf('(') + 1, string.length - 1).split(':');
+    final hour = hourMinute[0];
+    final minute = hourMinute[1];
+    return TimeOfDay(
+      hour: int.parse(hour),
+      minute: int.parse(minute),
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, TimeOfDay obj) {
+    writer.writeString(obj.toString());
+  }
+
+  @override
+  int get typeId => 201;
+}

pubspec.yaml

@@ -17,5 +17,6 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  mockito:
 
   pedantic: ">=1.8.0 <2.0.0"

test/color_adapter_test.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:hive/hive.dart';
+import 'package:hive_flutter/src/adapters/color_adapter.dart';
+import 'package:mockito/mockito.dart';
+
+import 'mocks.dart';
+
+void main() {
+  group('ColorAdapter', () {
+    test('.read()', () {
+      const color = Color(0xFF000000);
+      final BinaryReader binaryReader = BinaryReaderMock();
+      when(binaryReader.readInt()).thenReturn(color.value);
+
+      final readColor = ColorAdapter().read(binaryReader);
+      verify(binaryReader.readInt());
+      expect(readColor, readColor);
+    });
+
+    test('.write()', () {
+      const color = Color(0xFF000000);
+      final BinaryWriter binaryWriter = BinaryWriterMock();
+
+      ColorAdapter().write(binaryWriter, color);
+      verify(binaryWriter.writeInt(color.value));
+    });
+  });
+}

test/mocks.dart

@@ -0,0 +1,6 @@
+import 'package:hive/hive.dart';
+import 'package:mockito/mockito.dart';
+
+class BinaryReaderMock extends Mock implements BinaryReader {}
+
+class BinaryWriterMock extends Mock implements BinaryWriter {}

test/time_adapter_test.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:hive/hive.dart';
+import 'package:hive_flutter/src/adapters/time_adapter.dart';
+import 'package:mockito/mockito.dart';
+
+import 'mocks.dart';
+
+void main() {
+  group('TimeOfDayAdapter', () {
+    test('.read()', () {
+      final currentTime = TimeOfDay.now();
+      final BinaryReader binaryReader = BinaryReaderMock();
+      when(binaryReader.readString()).thenReturn(currentTime.toString());
+
+      final time = TimeAdapter().read(binaryReader);
+      verify(binaryReader.readString());
+      expect(time, time);
+    });
+
+    test('.write()', () {
+      final currentTime = TimeOfDay.now();
+      final BinaryWriter binaryWriter = BinaryWriterMock();
+
+      TimeAdapter().write(binaryWriter, currentTime);
+      verify(binaryWriter.writeString(currentTime.toString()));
+    });
+  });
+}