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Add comprehensive tests for AppInfo class covering constructor and fromMap method
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‎test/app_info_test.dart‎

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import 'dart:typed_data';
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import 'package:flutter_device_apps_platform_interface/flutter_device_apps_platform_interface.dart';
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import 'package:test/test.dart';
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void main() {
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group('AppInfo', () {
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group('constructor', () {
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test('creates instance with all null values', () {
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const appInfo = AppInfo();
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expect(appInfo.packageName, isNull);
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expect(appInfo.appName, isNull);
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expect(appInfo.versionName, isNull);
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expect(appInfo.versionCode, isNull);
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expect(appInfo.firstInstallTime, isNull);
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expect(appInfo.lastUpdateTime, isNull);
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expect(appInfo.isSystem, isNull);
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expect(appInfo.iconBytes, isNull);
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expect(appInfo.category, isNull);
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expect(appInfo.targetSdkVersion, isNull);
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expect(appInfo.minSdkVersion, isNull);
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expect(appInfo.enabled, isNull);
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expect(appInfo.processName, isNull);
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expect(appInfo.installLocation, isNull);
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});
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test('creates instance with all values', () {
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final iconBytes = Uint8List.fromList([1, 2, 3]);
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final firstInstallTime = DateTime(2024, 1, 15);
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final lastUpdateTime = DateTime(2024, 6, 20);
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final appInfo = AppInfo(
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packageName: 'com.example.app',
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appName: 'Example App',
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versionName: '1.0.0',
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versionCode: 10,
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firstInstallTime: firstInstallTime,
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lastUpdateTime: lastUpdateTime,
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isSystem: false,
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iconBytes: iconBytes,
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category: 3,
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targetSdkVersion: 33,
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minSdkVersion: 21,
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enabled: true,
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processName: 'com.example.app',
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installLocation: 0,
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);
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expect(appInfo.packageName, 'com.example.app');
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expect(appInfo.appName, 'Example App');
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expect(appInfo.versionName, '1.0.0');
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expect(appInfo.versionCode, 10);
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expect(appInfo.firstInstallTime, firstInstallTime);
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expect(appInfo.lastUpdateTime, lastUpdateTime);
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expect(appInfo.isSystem, false);
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expect(appInfo.iconBytes, iconBytes);
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expect(appInfo.category, 3);
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expect(appInfo.targetSdkVersion, 33);
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expect(appInfo.minSdkVersion, 21);
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expect(appInfo.enabled, true);
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expect(appInfo.processName, 'com.example.app');
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expect(appInfo.installLocation, 0);
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});
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});
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group('fromMap', () {
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test('parses empty map', () {
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final appInfo = AppInfo.fromMap({});
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expect(appInfo.packageName, isNull);
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expect(appInfo.appName, isNull);
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expect(appInfo.versionName, isNull);
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expect(appInfo.versionCode, isNull);
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expect(appInfo.firstInstallTime, isNull);
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expect(appInfo.lastUpdateTime, isNull);
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expect(appInfo.isSystem, isNull);
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expect(appInfo.iconBytes, isNull);
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expect(appInfo.category, isNull);
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expect(appInfo.targetSdkVersion, isNull);
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expect(appInfo.minSdkVersion, isNull);
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expect(appInfo.enabled, isNull);
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expect(appInfo.processName, isNull);
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expect(appInfo.installLocation, isNull);
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});
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test('parses all string fields correctly', () {
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final map = <String, Object?>{
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'packageName': 'com.example.app',
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'appName': 'Example App',
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'versionName': '2.1.0',
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'processName': 'com.example.process',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.packageName, 'com.example.app');
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expect(appInfo.appName, 'Example App');
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expect(appInfo.versionName, '2.1.0');
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expect(appInfo.processName, 'com.example.process');
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});
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test('parses integer fields from int values', () {
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final map = <String, Object?>{
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'versionCode': 42,
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'category': 5,
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'targetSdkVersion': 34,
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'minSdkVersion': 23,
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'installLocation': 1,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.versionCode, 42);
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expect(appInfo.category, 5);
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expect(appInfo.targetSdkVersion, 34);
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expect(appInfo.minSdkVersion, 23);
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expect(appInfo.installLocation, 1);
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});
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test('parses integer fields from string values', () {
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final map = <String, Object?>{
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'versionCode': '42',
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'category': '5',
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'targetSdkVersion': '34',
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'minSdkVersion': '23',
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'installLocation': '1',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.versionCode, 42);
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expect(appInfo.category, 5);
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expect(appInfo.targetSdkVersion, 34);
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expect(appInfo.minSdkVersion, 23);
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expect(appInfo.installLocation, 1);
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});
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test('handles invalid integer strings gracefully', () {
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final map = <String, Object?>{
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'versionCode': 'invalid',
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'category': 'not_a_number',
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'targetSdkVersion': '',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.versionCode, isNull);
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expect(appInfo.category, isNull);
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expect(appInfo.targetSdkVersion, isNull);
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});
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test('parses boolean fields from bool values', () {
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final map = <String, Object?>{
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'isSystem': true,
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'enabled': false,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.isSystem, true);
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expect(appInfo.enabled, false);
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});
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test('parses boolean fields from string values', () {
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final map = <String, Object?>{
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'isSystem': 'true',
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'enabled': 'false',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.isSystem, true);
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expect(appInfo.enabled, false);
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});
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test('handles invalid boolean strings gracefully', () {
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final map = <String, Object?>{
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'isSystem': 'yes',
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'enabled': 'no',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.isSystem, isNull);
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expect(appInfo.enabled, isNull);
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});
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test('parses DateTime fields from milliseconds', () {
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final int firstInstallMs = DateTime(2024, 1, 15).millisecondsSinceEpoch;
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final int lastUpdateMs = DateTime(2024, 6, 20).millisecondsSinceEpoch;
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final map = <String, Object?>{
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'firstInstallTime': firstInstallMs,
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'lastUpdateTime': lastUpdateMs,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.firstInstallTime, DateTime(2024, 1, 15));
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expect(appInfo.lastUpdateTime, DateTime(2024, 6, 20));
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});
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test('parses DateTime fields from string milliseconds', () {
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final int firstInstallMs = DateTime(2024, 3, 10).millisecondsSinceEpoch;
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final int lastUpdateMs = DateTime(2024, 8, 5).millisecondsSinceEpoch;
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final map = <String, Object?>{
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'firstInstallTime': firstInstallMs.toString(),
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'lastUpdateTime': lastUpdateMs.toString(),
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.firstInstallTime, DateTime(2024, 3, 10));
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expect(appInfo.lastUpdateTime, DateTime(2024, 8, 5));
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});
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test('handles invalid DateTime strings gracefully', () {
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final map = <String, Object?>{
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'firstInstallTime': 'not_a_timestamp',
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'lastUpdateTime': '',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.firstInstallTime, isNull);
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expect(appInfo.lastUpdateTime, isNull);
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});
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test('parses iconBytes from List<int>', () {
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final iconData = <int>[255, 216, 255, 224, 0, 16];
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final map = <String, Object?>{
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'iconBytes': iconData,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.iconBytes, isA<Uint8List>());
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expect(appInfo.iconBytes, [255, 216, 255, 224, 0, 16]);
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});
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test('handles non-List iconBytes gracefully', () {
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final map = <String, Object?>{
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'iconBytes': 'not_a_list',
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.iconBytes, isNull);
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});
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test('handles null iconBytes gracefully', () {
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final map = <String, Object?>{
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'iconBytes': null,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.iconBytes, isNull);
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});
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test('parses complete map with all fields', () {
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final int firstInstallMs = DateTime(2024).millisecondsSinceEpoch;
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final int lastUpdateMs = DateTime(2024, 12, 31).millisecondsSinceEpoch;
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final iconData = <int>[1, 2, 3, 4, 5];
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final map = <String, Object?>{
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'packageName': 'com.test.fullapp',
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'appName': 'Full Test App',
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'versionName': '3.2.1',
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'versionCode': 321,
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'firstInstallTime': firstInstallMs,
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'lastUpdateTime': lastUpdateMs,
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'isSystem': false,
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'iconBytes': iconData,
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'category': 7,
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'targetSdkVersion': 35,
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'minSdkVersion': 24,
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'enabled': true,
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'processName': 'com.test.fullapp.process',
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'installLocation': 2,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.packageName, 'com.test.fullapp');
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expect(appInfo.appName, 'Full Test App');
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expect(appInfo.versionName, '3.2.1');
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expect(appInfo.versionCode, 321);
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expect(appInfo.firstInstallTime, DateTime(2024, 1, 1));
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expect(appInfo.lastUpdateTime, DateTime(2024, 12, 31));
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expect(appInfo.isSystem, false);
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expect(appInfo.iconBytes, isA<Uint8List>());
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expect(appInfo.iconBytes!.length, 5);
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expect(appInfo.category, 7);
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expect(appInfo.targetSdkVersion, 35);
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expect(appInfo.minSdkVersion, 24);
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expect(appInfo.enabled, true);
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expect(appInfo.processName, 'com.test.fullapp.process');
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expect(appInfo.installLocation, 2);
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});
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test('handles mixed valid and invalid values', () {
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final map = <String, Object?>{
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'packageName': 'com.example.mixed',
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'versionCode': 'invalid',
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'isSystem': 'true',
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'enabled': 'maybe',
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'category': 10,
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};
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final appInfo = AppInfo.fromMap(map);
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expect(appInfo.packageName, 'com.example.mixed');
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expect(appInfo.versionCode, isNull);
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expect(appInfo.isSystem, true);
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expect(appInfo.enabled, isNull);
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expect(appInfo.category, 10);
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});
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});
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});
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}

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