nodejs/test/parallel/test-fs-utils-get-dirents.js

124 lines
2.7 KiB
JavaScript

// Flags: --expose-internals
'use strict';
const common = require('../common');
const { getDirents, getDirent } = require('internal/fs/utils');
const assert = require('assert');
const { internalBinding } = require('internal/test/binding');
const { UV_DIRENT_UNKNOWN } = internalBinding('constants').fs;
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const filename = 'foo';
{
// setup
tmpdir.refresh();
fs.writeFileSync(path.join(tmpdir.path, filename), '');
}
// getDirents
{
// string + string
getDirents(
tmpdir.path,
[[filename], [UV_DIRENT_UNKNOWN]],
common.mustCall((err, names) => {
assert.strictEqual(err, null);
assert.strictEqual(names.length, 1);
},
));
}
{
// string + Buffer
getDirents(
tmpdir.path,
[[Buffer.from(filename)], [UV_DIRENT_UNKNOWN]],
common.mustCall((err, names) => {
assert.strictEqual(err, null);
assert.strictEqual(names.length, 1);
},
));
}
{
// Buffer + Buffer
getDirents(
Buffer.from(tmpdir.path),
[[Buffer.from(filename)], [UV_DIRENT_UNKNOWN]],
common.mustCall((err, names) => {
assert.strictEqual(err, null);
assert.strictEqual(names.length, 1);
},
));
}
{
// wrong combination
getDirents(
42,
[[Buffer.from(filename)], [UV_DIRENT_UNKNOWN]],
common.mustCall((err) => {
assert.strictEqual(
err.message,
[
'The "path" argument must be of type string or an ' +
'instance of Buffer. Received type number (42)'
].join(''));
},
));
}
// getDirent
{
// string + string
getDirent(
tmpdir.path,
filename,
UV_DIRENT_UNKNOWN,
common.mustCall((err, dirent) => {
assert.strictEqual(err, null);
assert.strictEqual(dirent.name, filename);
},
));
}
{
// string + Buffer
const filenameBuffer = Buffer.from(filename);
getDirent(
tmpdir.path,
filenameBuffer,
UV_DIRENT_UNKNOWN,
common.mustCall((err, dirent) => {
assert.strictEqual(err, null);
assert.strictEqual(dirent.name, filenameBuffer);
},
));
}
{
// Buffer + Buffer
const filenameBuffer = Buffer.from(filename);
getDirent(
Buffer.from(tmpdir.path),
filenameBuffer,
UV_DIRENT_UNKNOWN,
common.mustCall((err, dirent) => {
assert.strictEqual(err, null);
assert.strictEqual(dirent.name, filenameBuffer);
},
));
}
{
// wrong combination
getDirent(
42,
Buffer.from(filename),
UV_DIRENT_UNKNOWN,
common.mustCall((err) => {
assert.strictEqual(
err.message,
[
'The "path" argument must be of type string or an ' +
'instance of Buffer. Received type number (42)'
].join(''));
},
));
}