test: add unit tests for GSoC models (Gsoc, Organization, Project)

test/gsoc_modal_test.dart

@@ -0,0 +1,145 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:opso/modals/GSoC/Gsoc.dart';
+
+void main() {
+  group('Project', () {
+    test('fromJson constructs correctly', () {
+      final json = {
+        'title': 'Test Project',
+        'short_description': 'Short desc',
+        'description': 'Full description',
+        'student_name': 'Alice',
+        'code_url': 'https://github.com/alice/project',
+        'project_url': 'https://summerofcode.withgoogle.com/project',
+      };
+      final project = Project.fromJson(json);
+      expect(project.title, 'Test Project');
+      expect(project.shortDescription, 'Short desc');
+      expect(project.description, 'Full description');
+      expect(project.studentName, 'Alice');
+      expect(project.codeUrl, 'https://github.com/alice/project');
+      expect(project.projectUrl, 'https://summerofcode.withgoogle.com/project');
+    });
+
+    test('fromJson handles missing fields with empty string defaults', () {
+      final project = Project.fromJson({});
+      expect(project.title, '');
+      expect(project.shortDescription, '');
+      expect(project.description, '');
+      expect(project.studentName, '');
+      expect(project.codeUrl, '');
+      expect(project.projectUrl, '');
+    });
+  });
+
+  group('Organization', () {
+    final orgJson = {
+      'name': 'TestOrg',
+      'image_url': 'https://example.com/image.png',
+      'image_background_color': '#FFFFFF',
+      'description': 'A test organization',
+      'url': 'https://testorg.com',
+      'num_projects': 5,
+      'category': 'programming languages and development tools',
+      'projects_url': 'https://testorg.com/projects',
+      'irc_channel': '#testorg',
+      'contact_email': 'contact@testorg.com',
+      'mailing_list': 'list@testorg.com',
+      'twitter_url': 'https://twitter.com/testorg',
+      'blog_url': 'https://blog.testorg.com',
+      'topics': ['machine learning', 'AI'],
+      'technologies': ['Python', 'TensorFlow'],
+      'projects': [],
+    };
+
+    test('fromJson constructs correctly', () {
+      final org = Organization.fromJson(orgJson);
+      expect(org.name, 'TestOrg');
+      expect(org.numProjects, 5);
+      expect(org.topics, ['machine learning', 'AI']);
+      expect(org.technologies, ['Python', 'TensorFlow']);
+      expect(org.projects, isEmpty);
+    });
+
+    test('fromJson handles missing fields with defaults', () {
+      final org = Organization.fromJson({});
+      expect(org.name, '');
+      expect(org.numProjects, 0);
+      expect(org.topics, isEmpty);
+      expect(org.technologies, isEmpty);
+      expect(org.projects, isEmpty);
+    });
+
+    test('fromJson parses nested projects', () {
+      final jsonWithProjects = Map<String, dynamic>.from(orgJson);
+      jsonWithProjects['projects'] = [
+        {
+          'title': 'Nested Project',
+          'short_description': '',
+          'description': '',
+          'student_name': 'Bob',
+          'code_url': '',
+          'project_url': '',
+        }
+      ];
+      final org = Organization.fromJson(jsonWithProjects);
+      expect(org.projects, hasLength(1));
+      expect(org.projects.first.title, 'Nested Project');
+      expect(org.projects.first.studentName, 'Bob');
+    });
+  });
+
+  group('Gsoc', () {
+    test('fromJson constructs correctly', () {
+      final json = {
+        'year': 2023,
+        'archive_url': 'https://summerofcode.withgoogle.com/archive',
+        'organizations': [],
+      };
+      final gsoc = Gsoc.fromJson(json);
+      expect(gsoc.year, 2023);
+      expect(gsoc.archiveUrl, 'https://summerofcode.withgoogle.com/archive');
+      expect(gsoc.organizations, isEmpty);
+    });
+
+    test('fromJson handles missing archive_url', () {
+      final json = {
+        'year': 2022,
+        'organizations': [],
+      };
+      final gsoc = Gsoc.fromJson(json);
+      expect(gsoc.archiveUrl, '');
+    });
+
+    test('fromJson parses nested organizations', () {
+      final json = {
+        'year': 2021,
+        'archive_url': '',
+        'organizations': [
+          {
+            'name': 'Org1',
+            'image_url': '',
+            'image_background_color': '',
+            'description': '',
+            'url': '',
+            'num_projects': 2,
+            'category': '',
+            'projects_url': '',
+            'irc_channel': '',
+            'contact_email': '',
+            'mailing_list': '',
+            'twitter_url': '',
+            'blog_url': '',
+            'topics': [],
+            'technologies': [],
+            'projects': [],
+          }
+        ],
+      };
+      final gsoc = Gsoc.fromJson(json);
+      expect(gsoc.organizations, hasLength(1));
+      expect(gsoc.organizations.first.name, 'Org1');
+      expect(gsoc.organizations.first.numProjects, 2);
+    });
+  });
+}