'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const testDir = tmpdir.path;
const files = ['empty', 'files', 'for', 'just', 'testing'];
tmpdir.refresh();
files.forEach(function(filename) {
fs.closeSync(fs.openSync(path.join(testDir, filename), 'w'));
});
function assertDirent(dirent) {
assert(dirent instanceof fs.Dirent);
assert.strictEqual(dirent.isFile(), true);
assert.strictEqual(dirent.isDirectory(), false);
assert.strictEqual(dirent.isSymbolicLink(), false);
}
const dirclosedError = {
code: 'ERR_DIR_CLOSED'
};
const dirconcurrentError = {
code: 'ERR_DIR_CONCURRENT_OPERATION'
};
const invalidCallbackObj = {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
};
{
const dir = fs.opendirSync(testDir);
const entries = files.map(() => {
const dirent = dir.readSync();
assertDirent(dirent);
return dirent.name;
});
assert.deepStrictEqual(files, entries.sort());
assert.strictEqual(dir.readSync(), null);
assert.strictEqual(dir.path, testDir);
dir.closeSync();
}
fs.opendir(testDir, common.mustSucceed((dir) => {
let sync = true;
dir.read(common.mustSucceed((dirent) => {
assert(!sync);
assert(files.includes(dirent.name), `'files' should include ${dirent}`);
assertDirent(dirent);
let syncInner = true;
dir.read(common.mustSucceed((dirent) => {
assert(!syncInner);
dir.close(common.mustSucceed());
}));
syncInner = false;
}));
sync = false;
}));
assert.throws(function() {
fs.opendirSync(__filename);
}, /Error: ENOTDIR: not a directory/);
assert.throws(function() {
fs.opendir(__filename);
}, /TypeError \[ERR_INVALID_ARG_TYPE\]: The "callback" argument must be of type function/);
fs.opendir(__filename, common.mustCall(function(e) {
assert.strictEqual(e.code, 'ENOTDIR');
}));
[false, 1, [], {}, null, undefined].forEach((i) => {
assert.throws(
() => fs.opendir(i, common.mustNotCall()),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}
);
assert.throws(
() => fs.opendirSync(i),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
}
);
});
async function doPromiseTest() {
const dir = await fs.promises.opendir(testDir);
const entries = [];
let i = files.length;
while (i--) {
const dirent = await dir.read();
entries.push(dirent.name);
assertDirent(dirent);
}
assert.deepStrictEqual(files, entries.sort());
assert.strictEqual(await dir.read(), null);
await dir.close();
}
doPromiseTest().then(common.mustCall());
async function doAsyncIterTest() {
const entries = [];
for await (const dirent of await fs.promises.opendir(testDir)) {
entries.push(dirent.name);
assertDirent(dirent);
}
assert.deepStrictEqual(files, entries.sort());
}
doAsyncIterTest().then(common.mustCall());
async function doAsyncIterBreakTest() {
const dir = await fs.promises.opendir(testDir);
for await (const dirent of dir) { break;
}
}
doAsyncIterBreakTest().then(common.mustCall());
async function doAsyncIterReturnTest() {
const dir = await fs.promises.opendir(testDir);
await (async function() {
for await (const dirent of dir) {
return;
}
})();
}
doAsyncIterReturnTest().then(common.mustCall());
async function doAsyncIterThrowTest() {
const dir = await fs.promises.opendir(testDir);
try {
for await (const dirent of dir) { throw new Error('oh no');
}
} catch (err) {
if (err.message !== 'oh no') {
throw err;
}
}
}
doAsyncIterThrowTest().then(common.mustCall());
for (const bufferSize of [-1, 0, 0.5, 1.5, Infinity, NaN]) {
assert.throws(
() => fs.opendirSync(testDir, common.mustNotMutateObjectDeep({ bufferSize })),
{
code: 'ERR_OUT_OF_RANGE'
});
}
for (const bufferSize of ['', '1', null]) {
assert.throws(
() => fs.opendirSync(testDir, common.mustNotMutateObjectDeep({ bufferSize })),
{
code: 'ERR_INVALID_ARG_TYPE'
});
}
{
const dir = fs.opendirSync(testDir, common.mustNotMutateObjectDeep({ bufferSize: 1024 }));
assertDirent(dir.readSync());
dir.close();
}
async function doAsyncIterDirClosedTest() {
const dir = await fs.promises.opendir(testDir);
await dir.close();
}
doAsyncIterDirClosedTest().then(common.mustCall());
async function doConcurrentAsyncAndSyncOps() {
const dir = await fs.promises.opendir(testDir);
const promise = dir.read();
await promise;
dir.closeSync();
}
doConcurrentAsyncAndSyncOps().then(common.mustCall());
async function doConcurrentAsyncOps() {
const dir = await fs.promises.opendir(testDir);
const promise1 = dir.read();
const promise2 = dir.read();
assertDirent(await promise1);
assertDirent(await promise2);
dir.closeSync();
}
doConcurrentAsyncOps().then(common.mustCall());
async function doConcurrentAsyncMixedOps() {
const dir = await fs.promises.opendir(testDir);
const promise1 = dir.read();
const promise2 = dir.close();
assertDirent(await promise1);
await promise2;
}
doConcurrentAsyncMixedOps().then(common.mustCall());
{
const dir = fs.opendirSync(testDir);
dir.closeSync();
dir.close(common.mustCall((error) => {
}));
}
{
const dir = fs.opendirSync(testDir);
dir.closeSync();
}