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40 lines
1.3 KiB
40 lines
1.3 KiB
'use strict'
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var fs = require('graceful-fs')
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var path = require('path')
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var test = require('tap').test
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var rimraf = require('rimraf')
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var writeStream = require('../index.js')
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var target = path.resolve(__dirname, 'test-chown')
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test('slow close', function (t) {
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t.plan(2)
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// The goal here is to simulate the "file close" step happening so slowly
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// that the whole close/rename process could finish before the file is
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// actually closed (and thus buffers truely flushed to the OS). In
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// previous versions of this module, this would result in the module
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// emitting finish & close before the file was fully written and in
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// turn, could break other layers that tried to read the new file.
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var realEmit = fs.WriteStream.prototype.emit
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var reallyClosed = false
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fs.WriteStream.prototype.emit = function (event) {
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if (event !== 'close') return realEmit.apply(this, arguments)
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setTimeout(function () {
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reallyClosed = true
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realEmit.call(this, 'close')
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}.bind(this), 200)
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}
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var stream = writeStream(target)
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stream.on('finish', function () {
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t.is(reallyClosed, true, "didn't finish before target was closed")
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})
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stream.on('close', function () {
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t.is(reallyClosed, true, "didn't close before target was closed")
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})
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stream.end()
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})
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test('cleanup', function (t) {
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rimraf.sync(target)
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t.end()
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})
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