test: ✅ add the first E2E test and configuration to CI (#316)

* add tests

src/engine/openAi.ts

@@ -27,7 +27,7 @@ let apiKey = config?.OCO_OPENAI_API_KEY
 
 const [command, mode] = process.argv.slice(2);
 
-const isLocalModel = config?.OCO_AI_PROVIDER == 'ollama'
+const isLocalModel = config?.OCO_AI_PROVIDER == 'ollama' || config?.OCO_AI_PROVIDER == 'test';
 
 
 if (!apiKey && command !== 'config' && mode !== CONFIG_MODES.set && !isLocalModel) {

src/engine/testAi.ts

@@ -0,0 +1,12 @@
+import { ChatCompletionRequestMessage } from 'openai';
+import { AiEngine } from './Engine';
+
+export class TestAi implements AiEngine {
+  async generateCommitMessage(
+    messages: Array<ChatCompletionRequestMessage>
+  ): Promise<string | undefined> {
+    return 'test commit message';
+  }
+}
+
+export const testAi = new TestAi();