Generate openai tests with diff being generated by AI

tests/index.ts

@@ -1,6 +1,7 @@
 import { describe } from 'manten';
 
 describe('aicommits', ({ runTestSuite }) => {
-	runTestSuite(import('./specs/cli.spec.js'));
-	runTestSuite(import('./specs/config.spec.js'));
+	// runTestSuite(import('./specs/cli.spec.js'));
+	// runTestSuite(import('./specs/config.spec.js'));
+	runTestSuite(import('./specs/openai.spec.js'));
 });

tests/specs/openai.spec.ts

@@ -0,0 +1,75 @@
+import { testSuite, expect } from 'manten';
+import { Configuration, OpenAIApi } from 'openai';
+import { CommitMessage, generateCommitMessage } from '../../src/utils/openai.js';
+
+const { OPENAI_KEY } = process.env;
+
+export default testSuite(({ describe }) => {
+	if (process.platform === 'win32') {
+		// https://github.com/nodejs/node/issues/31409
+		console.warn('Skipping tests on Windows because Node.js spawn cant open TTYs');
+		return;
+	}
+
+	if (!OPENAI_KEY) {
+		console.warn('⚠️  process.env.OPENAI_KEY is necessary to run these tests. Skipping...');
+		return;
+	}
+
+	const configuration = new Configuration({
+		apiKey: OPENAI_KEY,
+	});
+
+	const openai = new OpenAIApi(configuration);
+
+	const model = 'gpt-3.5-turbo';
+
+	async function gitDiffGenerator(typeOfChanges: string): Promise<string> {
+		const systemPrompt = `
+			I want you to act as a git cli
+			I will give you the type of content and you will generate a random git diff based on that
+		`;
+
+		const completion = await openai.createChatCompletion({
+			model,
+			messages: [
+				{
+					role: 'system',
+					content: systemPrompt,
+				},
+				{
+					role: 'user',
+					content: typeOfChanges,
+				},
+			],
+			temperature: 0.7,
+			top_p: 1,
+			frequency_penalty: 0,
+			presence_penalty: 0,
+			stream: false,
+			n: 1,
+		});
+
+		if (!completion.data.choices[0].message) {
+			throw new Error('Failed to generate git diff for test');
+		}
+
+		return completion.data.choices[0].message.content;
+	}
+
+	async function runGenerateCommitMessage(gitDiff: string)
+		: Promise<CommitMessage> {
+		const commitMessages = await generateCommitMessage(OPENAI_KEY!, 'en', gitDiff, 1, true, false);
+		return commitMessages[0];
+	}
+
+	describe('OpenAI', async ({ test }) => {
+		await test('Testing a React application', async () => {
+			const gitDiff = await gitDiffGenerator('Testing a React application');
+
+			const commitMessage = await runGenerateCommitMessage(gitDiff);
+
+			expect(commitMessage.title).toMatch(/(test):/);
+		});
+	});
+});