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Increase test coverage for fs/promises.js #19811

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Increase test coverage for fs/promises.js #19811

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fffdce1
Increase test coverage for fs/promises.js
humphd Apr 4, 2018
d20bde9
Address review comments
humphd Apr 30, 2018
d1ac66f
Add missing await + async on calls to chmod(), fchmod()
humphd Apr 30, 2018
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55 changes: 50 additions & 5 deletions test/parallel/test-fs-promises.js
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Original file line number Diff line number Diff line change
Expand Up @@ -82,24 +82,60 @@ function verifyStatObject(stat) {
stats = await stat(dest);
verifyStatObject(stats);

stats = await handle.stat();
verifyStatObject(stats);

await fdatasync(handle);
await handle.datasync();
await fsync(handle);
await handle.sync();

const buf = Buffer.from('hello world');

const buf = Buffer.from('hello fsPromises');
const bufLen = buf.length;
await write(handle, buf);

const ret = await read(handle, Buffer.alloc(11), 0, 11, 0);
assert.strictEqual(ret.bytesRead, 11);
const ret = await read(handle, Buffer.alloc(bufLen), 0, bufLen, 0);
assert.strictEqual(ret.bytesRead, bufLen);
assert.deepStrictEqual(ret.buffer, buf);

const buf2 = Buffer.from('hello FileHandle');
const buf2Len = buf2.length;
await handle.write(buf2, 0, buf2Len, 0);
const ret2 = await handle.read(Buffer.alloc(buf2Len), 0, buf2Len, 0);
assert.strictEqual(ret2.bytesRead, buf2Len);
assert.deepStrictEqual(ret2.buffer, buf2);

await chmod(dest, 0o666);
await fchmod(handle, 0o666);
handle.chmod(0o666);
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Should this be awaited?

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Indeed, thank you for spotting this. I'll fix.


// `mode` can't be > 0o777
assert.rejects(
() => chmod(handle, (0o777 + 1)),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError [ERR_INVALID_ARG_TYPE]'
}
);
assert.rejects(
() => fchmod(handle, (0o777 + 1)),
{
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError [ERR_OUT_OF_RANGE]'
}
);
assert.rejects(
() => handle.chmod(handle, (0o777 + 1)),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError [ERR_INVALID_ARG_TYPE]'
}
);

await utimes(dest, new Date(), new Date());

try {
await futimes(handle, new Date(), new Date());
await handle.utimes(new Date(), new Date());
} catch (err) {
// Some systems do not have futimes. If there is an error,
// expect it to be ENOSYS
Expand Down Expand Up @@ -147,6 +183,15 @@ function verifyStatObject(stat) {
await rmdir(newdir);

await mkdtemp(path.resolve(tmpDir, 'FOO'));
assert.rejects(
// mkdtemp() expects to get a string prefix.
async () => mkdtemp(1),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError [ERR_INVALID_ARG_TYPE]'
}
);

}

doTest().then(common.mustCall());
Expand Down