2018-03-25 21:56:06 -05:00
|
|
|
'use strict';
|
|
|
|
|
|
|
|
const common = require('../common');
|
|
|
|
|
2018-05-03 14:40:48 -04:00
|
|
|
// The following tests validate base functionality for the fs.promises
|
2018-07-08 19:10:12 +09:00
|
|
|
// FileHandle.write method.
|
2018-03-25 21:56:06 -05:00
|
|
|
|
|
|
|
const fs = require('fs');
|
2018-05-03 14:40:48 -04:00
|
|
|
const { open } = fs.promises;
|
2018-03-25 21:56:06 -05:00
|
|
|
const path = require('path');
|
|
|
|
const tmpdir = require('../common/tmpdir');
|
|
|
|
const assert = require('assert');
|
|
|
|
const tmpDir = tmpdir.path;
|
|
|
|
|
|
|
|
tmpdir.refresh();
|
|
|
|
|
|
|
|
async function validateWrite() {
|
|
|
|
const filePathForHandle = path.resolve(tmpDir, 'tmp-write.txt');
|
|
|
|
const fileHandle = await open(filePathForHandle, 'w+');
|
|
|
|
const buffer = Buffer.from('Hello world'.repeat(100), 'utf8');
|
|
|
|
|
|
|
|
await fileHandle.write(buffer, 0, buffer.length);
|
|
|
|
const readFileData = fs.readFileSync(filePathForHandle);
|
|
|
|
assert.deepStrictEqual(buffer, readFileData);
|
2019-07-30 07:50:21 +01:00
|
|
|
|
|
|
|
await fileHandle.close();
|
2018-03-25 21:56:06 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
async function validateEmptyWrite() {
|
|
|
|
const filePathForHandle = path.resolve(tmpDir, 'tmp-empty-write.txt');
|
|
|
|
const fileHandle = await open(filePathForHandle, 'w+');
|
|
|
|
const buffer = Buffer.from(''); // empty buffer
|
|
|
|
|
|
|
|
await fileHandle.write(buffer, 0, buffer.length);
|
|
|
|
const readFileData = fs.readFileSync(filePathForHandle);
|
|
|
|
assert.deepStrictEqual(buffer, readFileData);
|
2019-07-30 07:50:21 +01:00
|
|
|
|
|
|
|
await fileHandle.close();
|
2018-03-25 21:56:06 -05:00
|
|
|
}
|
|
|
|
|
2018-04-23 23:03:19 +05:30
|
|
|
async function validateNonUint8ArrayWrite() {
|
|
|
|
const filePathForHandle = path.resolve(tmpDir, 'tmp-data-write.txt');
|
|
|
|
const fileHandle = await open(filePathForHandle, 'w+');
|
|
|
|
const buffer = Buffer.from('Hello world', 'utf8').toString('base64');
|
|
|
|
|
|
|
|
await fileHandle.write(buffer, 0, buffer.length);
|
|
|
|
const readFileData = fs.readFileSync(filePathForHandle);
|
|
|
|
assert.deepStrictEqual(Buffer.from(buffer, 'utf8'), readFileData);
|
2019-07-30 07:50:21 +01:00
|
|
|
|
|
|
|
await fileHandle.close();
|
2018-04-23 23:03:19 +05:30
|
|
|
}
|
|
|
|
|
2018-07-08 19:09:18 +09:00
|
|
|
async function validateNonStringValuesWrite() {
|
|
|
|
const filePathForHandle = path.resolve(tmpDir, 'tmp-non-string-write.txt');
|
|
|
|
const fileHandle = await open(filePathForHandle, 'w+');
|
2022-04-04 18:57:59 +08:00
|
|
|
const nonStringValues = [
|
|
|
|
123, {}, new Map(), null, undefined, 0n, () => {}, Symbol(), true,
|
|
|
|
new String('notPrimitive'),
|
|
|
|
{ toString() { return 'amObject'; } },
|
|
|
|
{ [Symbol.toPrimitive]: (hint) => 'amObject' },
|
|
|
|
];
|
2018-07-08 19:09:18 +09:00
|
|
|
for (const nonStringValue of nonStringValues) {
|
2019-12-19 19:00:45 +01:00
|
|
|
await assert.rejects(
|
|
|
|
fileHandle.write(nonStringValue),
|
|
|
|
{ message: /"buffer"/, code: 'ERR_INVALID_ARG_TYPE' }
|
|
|
|
);
|
2018-07-08 19:09:18 +09:00
|
|
|
}
|
|
|
|
|
2019-07-30 07:50:21 +01:00
|
|
|
await fileHandle.close();
|
2018-07-08 19:09:18 +09:00
|
|
|
}
|
|
|
|
|
2018-04-23 23:03:19 +05:30
|
|
|
Promise.all([
|
|
|
|
validateWrite(),
|
|
|
|
validateEmptyWrite(),
|
2018-07-08 19:09:18 +09:00
|
|
|
validateNonUint8ArrayWrite(),
|
2021-03-26 08:51:08 -07:00
|
|
|
validateNonStringValuesWrite(),
|
2018-04-23 23:03:19 +05:30
|
|
|
]).then(common.mustCall());
|