test: add unit tests for OsocModal

test/osoc_modal_test.dart

@@ -0,0 +1,141 @@
+import 'dart:convert';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:opso/modals/osoc_modal.dart';
+
+void main() {
+  group('OsocModal Tests', () {
+    const String testName = 'OpSo';
+    const String testImageUrl = 'https://example.com/image.png';
+    const String testDescription = 'Open Source Programs App';
+    const String testProjectUrl = 'https://github.com/andoriyaprashant/OpSo';
+    const int testYear = 2026;
+
+    test('should construct model correctly with standard constructor', () {
+      final model = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      expect(model.name, testName);
+      expect(model.image_url, testImageUrl);
+      expect(model.description, testDescription);
+      expect(model.project_url, testProjectUrl);
+      expect(model.year, testYear);
+    });
+
+    test('should copyWith modified fields correctly', () {
+      final model = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      final copiedModel = model.copyWith(
+        name: 'New Name',
+        year: 2027,
+      );
+
+      expect(copiedModel.name, 'New Name');
+      expect(copiedModel.image_url, testImageUrl);
+      expect(copiedModel.description, testDescription);
+      expect(copiedModel.project_url, testProjectUrl);
+      expect(copiedModel.year, 2027);
+    });
+
+    test('should map representation toMap and fromMap correctly', () {
+      final model = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      final map = model.toMap();
+      expect(map['name'], testName);
+      expect(map['image_url'], testImageUrl);
+      expect(map['description'], testDescription);
+      expect(map['project_url'], testProjectUrl);
+      expect(map['year'], testYear);
+
+      final parsedModel = OsocModal.fromMap(map);
+      expect(parsedModel.name, testName);
+      expect(parsedModel.image_url, testImageUrl);
+      expect(parsedModel.description, testDescription);
+      expect(parsedModel.project_url, testProjectUrl);
+      expect(parsedModel.year, testYear);
+    });
+
+    test('should serialize to JSON string and deserialize from JSON string correctly', () {
+      final model = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      final jsonString = model.toJson();
+      final decodedMap = json.decode(jsonString);
+
+      expect(decodedMap['name'], testName);
+      expect(decodedMap['image_url'], testImageUrl);
+      expect(decodedMap['description'], testDescription);
+      expect(decodedMap['project_url'], testProjectUrl);
+      expect(decodedMap['year'], testYear);
+
+      final modelFromJson = OsocModal.fromJson(jsonString);
+      expect(modelFromJson, model);
+    });
+
+    test('should output correct toString representation', () {
+      final model = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      final expectedString =
+          'OsocModal(name: $testName, image_url: $testImageUrl, description: $testDescription, project_url: $testProjectUrl, year: $testYear)';
+      expect(model.toString(), expectedString);
+    });
+
+    test('should correctly compare objects via operator == and hashCode', () {
+      final model1 = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      final model2 = OsocModal(
+        name: testName,
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      final model3 = OsocModal(
+        name: 'Different Name',
+        image_url: testImageUrl,
+        description: testDescription,
+        project_url: testProjectUrl,
+        year: testYear,
+      );
+
+      expect(model1 == model2, isTrue);
+      expect(model1 == model3, isFalse);
+      expect(model1.hashCode == model2.hashCode, isTrue);
+      expect(model1.hashCode == model3.hashCode, isFalse);
+    });
+  });
+}