import { describe, it, expect } from 'vitest';
import { existsSync } from 'node:fs';
import { createFixture } from './fixture.ts';

describe('createFixture', () => {
	it('creates files on disk from inline tree', async () => {
		const fixture = await createFixture({
			'hello.txt': 'hello world',
		});
		expect(await fixture.text('hello.txt')).toBe('hello world');
	});

	it('creates nested directories from slash-separated keys', async () => {
		const fixture = await createFixture({
			'src/index.ts': 'export const x = 1',
			'src/utils/helpers.ts': 'export function help() {}',
		});
		expect(await fixture.isFile('src/index.ts')).toBe(true);
		expect(await fixture.isFile('src/utils/helpers.ts')).toBe(true);
	});

	it('resolve returns absolute path within fixture root', async () => {
		const fixture = await createFixture({ 'a.txt': '' });
		expect(fixture.resolve('a.txt').toString()).toContain(fixture.root.toString());
	});

	it('text reads the actual file', async () => {
		const fixture = await createFixture({ 'a.txt': 'Empty' });
		expect(await fixture.text('a.txt')).toEqual('Empty');
		await fixture.write('a.txt', 'Hello world!');
		expect(await fixture.text('a.txt')).toEqual('Hello world!');
	});

	it('cleanup removes the temp directory', async () => {
		const fixture = await createFixture({ 'a.txt': '' });
		const path = fixture.root;
		expect(await fixture.isDirectory('.')).toBe(true);
		await fixture.cleanup();
		expect(existsSync(path)).toBe(false);
	});
});