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Merged
isaacs merged 1 commit into from
Feb 5, 2021
+36 −6
Merged

Support copyFile #199

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15 changes: 15 additions & 0 deletions graceful-fs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,21 @@ function patch (fs) {
}
}

var fs$copyFile = fs.copyFile
if (fs$copyFile)
fs.copyFile = copyFile
function copyFile (src, dest, cb) {
return fs$copyFile(src, dest, function (err) {
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
enqueue([fs$copyFile, [src, dest, cb]])
else {
if (typeof cb === 'function')
cb.apply(this, arguments)
retry()
}
})
}

var fs$readdir = fs.readdir
fs.readdir = readdir
function readdir (path, options, cb) {
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27 changes: 21 additions & 6 deletions test/write-then-read.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,17 +24,32 @@ test('make files', function (t) {
t.end();
})

test('read files', function (t) {
// now read them
t.plan(num)
test('copy files', function (t) {
for (var i = 0; i < num; ++i) {
fs.readFile(paths[i], 'ascii', function(err, data) {
paths[i] = 'files/file-' + i;
fs.copyFile(paths[i], paths[i] + '.copy', function(err) {
if (err)
throw err;

t.equal(data, 'content')
});
}

t.end();
})

test('read files', function (t) {
function expectContent(err, data) {
if (err)
throw err;

t.equal(data, 'content')
}

// now read them
t.plan(num * 2)
for (var i = 0; i < num; ++i) {
fs.readFile(paths[i], 'ascii', expectContent);
fs.readFile(paths[i] + '.copy', 'ascii', expectContent);
}
});

test('cleanup', function (t) {
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