astro/packages/create-astro/test/directory-step.test.js
2022-04-21 20:38:07 +00:00

104 lines
2.8 KiB
JavaScript

import { execa } from 'execa';
import { fileURLToPath } from 'url';
import { dirname, resolve } from 'path';
import { promises, existsSync } from 'fs';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const createAstroError = new Error(
'Timed out waiting for create-astro to respond with expected output.'
);
const timeout = 5000;
const instructions = {
directory: 'Where would you like to create your app?',
template: 'Which app template would you like to use?',
};
const inputs = {
nonEmptyDir: './fixtures/select-directory/nonempty-dir',
emptyDir: './fixtures/select-directory/empty-dir',
nonexistentDir: './fixtures/select-directory/banana-dir',
};
function promiseWithTimeout(testFn) {
return new Promise((resolve, reject) => {
const timeoutEvent = setTimeout(() => {
reject(createAstroError);
}, timeout);
function resolver() {
clearTimeout(timeoutEvent);
resolve();
}
testFn(resolver);
});
}
function setup(args = []) {
const { stdout, stdin } = execa('../create-astro.mjs', args, { cwd: __dirname });
return {
stdin,
stdout,
};
}
describe('[create-astro] select directory', function () {
this.timeout(timeout);
it('should prompt for directory when none is provided', function () {
return promiseWithTimeout((resolve) => {
const { stdout } = setup();
stdout.on('data', (chunk) => {
if (chunk.includes(instructions.directory)) {
resolve();
}
});
});
});
it('should NOT proceed on a non-empty directory', function () {
return promiseWithTimeout((resolve) => {
const { stdout } = setup([inputs.nonEmptyDir]);
stdout.on('data', (chunk) => {
if (chunk.includes(instructions.directory)) {
resolve();
}
});
});
});
it('should proceed on an empty directory', async function () {
const resolvedEmptyDirPath = resolve(__dirname, inputs.emptyDir);
if (!existsSync(resolvedEmptyDirPath)) {
await promises.mkdir(resolvedEmptyDirPath);
}
return promiseWithTimeout((resolve) => {
const { stdout } = setup([inputs.emptyDir]);
stdout.on('data', (chunk) => {
if (chunk.includes(instructions.template)) {
resolve();
}
});
});
});
it('should proceed when directory does not exist', function () {
return promiseWithTimeout((resolve) => {
const { stdout } = setup([inputs.nonexistentDir]);
stdout.on('data', (chunk) => {
if (chunk.includes(instructions.template)) {
resolve();
}
});
});
});
it('should error on bad directory selection in prompt', function () {
return promiseWithTimeout((resolve) => {
const { stdout, stdin } = setup();
stdout.on('data', (chunk) => {
if (chunk.includes('Please clear contents or choose a different path.')) {
resolve();
}
if (chunk.includes(instructions.directory)) {
stdin.write(`${inputs.nonEmptyDir}\x0D`);
}
});
});
});
});