test(lock_item_icon_test.dart,thermostat_icon_test.dart,unknown_item_…

…icon_test.dart): Add basic green tests for lock, thermostat, and unknown icons

test/assets/traits/lock_item_icon_test.dart

@@ -0,0 +1,26 @@
+import 'package:bootstrap_icons/bootstrap_icons.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/src/widgets/framework.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:yonomi_device_widgets/assets/traits/lock_item_icon.dart';
+
+Widget createIconWidget(bool isLocked) {
+  return MaterialApp(
+    home: Scaffold(body: Container(child: LockIcon(isLocked))),
+  );
+}
+
+void main() {
+  testWidgets('should render correct Lock trait icon when unlocked',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(createIconWidget(false));
+    expect(find.byIcon(BootstrapIcons.unlock), findsOneWidget);
+  });
+
+  testWidgets('should render correct Lock trait icon when locked',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(createIconWidget(true));
+    expect(find.byIcon(BootstrapIcons.lock), findsOneWidget);
+  });
+}

test/assets/traits/thermostat_icon_test.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:yonomi_device_widgets/assets/traits/thermostat_icon.dart';
+
+Widget createIconWidget(
+    {double? thermostatState, Decoration? decoration, TextStyle? textStyle}) {
+  return MaterialApp(
+    home: Scaffold(
+      body: Container(
+          child: ThermostatIcon(
+        thermostatState: thermostatState,
+        decoration: decoration,
+        textStyle: textStyle,
+      )),
+    ),
+  );
+}
+
+void main() {
+  testWidgets('should render correct thermostat trait icon',
+      (WidgetTester tester) async {
+
+    await tester.pumpWidget(createIconWidget(thermostatState: 22.1));
+    expect(find.widgetWithText(Center, '22'), findsOneWidget);
+  });
+
+  testWidgets('should render n/a if target temperature is null',
+      (WidgetTester tester) async {
+
+    await tester.pumpWidget(createIconWidget());
+    expect(find.widgetWithText(Center, 'N/A'), findsOneWidget);
+  });
+}

test/assets/traits/unknown_item_icon_test.dart

@@ -0,0 +1,20 @@
+import 'package:bootstrap_icons/bootstrap_icons.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/src/widgets/framework.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:yonomi_device_widgets/assets/traits/unknown_item_icon.dart';
+import 'package:yonomi_platform_sdk/yonomi-sdk.dart';
+
+Widget createIconWidget() {
+  return MaterialApp(
+    home: Scaffold(body: Container(child: UnknownItemIcon())),
+  );
+}
+
+void main() {
+  testWidgets('should render correct Unknown trait icon',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(createIconWidget());
+    expect(find.byIcon(BootstrapIcons.box), findsOneWidget);
+  });
+}