import assert from 'node:assert/strict';

import path from 'node:path';

import { writeMultipleFiles } from '../../utils/fs';

import { ng } from '../../utils/process';

import { applyVitestBuilder } from '../../utils/vitest';

export default async function (): Promise<void> {

await applyVitestBuilder();

// Create a custom Vitest configuration file.

const customConfigPath = 'vitest.custom.mjs';

await writeMultipleFiles({

[customConfigPath]: `

import { defineConfig } from 'vitest/config';

export default defineConfig({

test: {

// A unique option to confirm this file is being used.

passWithNoTests: true,

},

});

`,

});

const absoluteConfigPath = path.resolve(customConfigPath);

const { stdout } = await ng('test', `--runner-config=${absoluteConfigPath}`);

// Assert that the CLI logs the use of the specified configuration file.

assert.match(

stdout,

/vitest\.custom\.mjs/,

'Expected a message confirming the use of the custom config file.',

);

}