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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-fs-write-stream-autoclose-option.js |
'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
const file = path.join(tmpdir.path, 'write-autoclose-opt1.txt');
tmpdir.refresh();
let stream = fs.createWriteStream(file, { flags: 'w+', autoClose: false });
stream.write('Test1');
stream.end();
stream.on('finish', common.mustCall(function() {
stream.on('close', common.mustNotCall());
process.nextTick(common.mustCall(function() {
assert.strictEqual(stream.closed, false);
assert.notStrictEqual(stream.fd, null);
next();
}));
}));
function next() {
// This will tell us if the fd is usable again or not
stream = fs.createWriteStream(null, { fd: stream.fd, start: 0 });
stream.write('Test2');
stream.end();
stream.on('finish', common.mustCall(function() {
assert.strictEqual(stream.closed, false);
stream.on('close', common.mustCall(function() {
assert.strictEqual(stream.fd, null);
assert.strictEqual(stream.closed, true);
process.nextTick(next2);
}));
}));
}
function next2() {
// This will test if after reusing the fd data is written properly
fs.readFile(file, function(err, data) {
assert.ifError(err);
assert.strictEqual(data.toString(), 'Test2');
process.nextTick(common.mustCall(next3));
});
}
function next3() {
// This is to test success scenario where autoClose is true
const stream = fs.createWriteStream(file, { autoClose: true });
stream.write('Test3');
stream.end();
stream.on('finish', common.mustCall(function() {
assert.strictEqual(stream.closed, false);
stream.on('close', common.mustCall(function() {
assert.strictEqual(stream.fd, null);
assert.strictEqual(stream.closed, true);
}));
}));
}
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