genai_testing: Expanded Testing Efforts

packages/genai/test/utils.dart/available_models_test.dart

@@ -0,0 +1,74 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:genai/models/available_models.dart';
+import 'package:genai/interface/interface.dart';
+
+void main() {
+  group('AvailableModels', () {
+    test('can parse from JSON and back', () {
+      const jsonString = '''
+      {
+        "version": 1.0,
+        "model_providers": [
+          {
+            "provider_id": "openai",
+            "provider_name": "OpenAI",
+            "source_url": "https://api.openai.com",
+            "models": [
+              {"id": "gpt-4", "name": "GPT-4"}
+            ]
+          }
+        ]
+      }
+      ''';
+
+      final models = availableModelsFromJson(jsonString);
+      expect(models.version, 1.0);
+      expect(models.modelProviders.length, 1);
+      expect(models.modelProviders.first.providerName, "OpenAI");
+
+      final backToJson = availableModelsToJson(models);
+      expect(backToJson.contains("GPT-4"), true);
+    });
+
+    test('map getter returns map of providers', () {
+      final provider = AIModelProvider(
+        providerId: ModelAPIProvider.openai,
+        providerName: "OpenAI",
+        models: [const Model(id: "gpt-4", name: "GPT-4")],
+      );
+
+      final available = AvailableModels(
+        version: 1.0,
+        modelProviders: [provider],
+      );
+
+      expect(available.map.containsKey(ModelAPIProvider.openai), true);
+      expect(available.map[ModelAPIProvider.openai]?.providerName, "OpenAI");
+    });
+  });
+
+  group('AIModelProvider', () {
+    test(
+      'toAiRequestModel returns default AIRequestModel with model override',
+      () {
+        const provider = AIModelProvider(
+          providerId: ModelAPIProvider.openai,
+          providerName: "OpenAI",
+        );
+
+        const model = const Model(id: "gpt-4", name: "GPT-4");
+        final req = provider.toAiRequestModel(model: model);
+
+        expect(req?.model, "gpt-4");
+      },
+    );
+  });
+
+  group('Model', () {
+    test('fromJson works', () {
+      final model = Model.fromJson({"id": "mistral", "name": "Mistral"});
+      expect(model.id, "mistral");
+      expect(model.name, "Mistral");
+    });
+  });
+}