Skip to content

Commit

Permalink
test: add internal/fs tests
Browse files Browse the repository at this point in the history
  • Loading branch information
DavidCai1111 committed Apr 11, 2017
1 parent 88351a2 commit 8ac1d6d
Show file tree
Hide file tree
Showing 2 changed files with 76 additions and 0 deletions.
66 changes: 66 additions & 0 deletions test/parallel/test-internal-fs-syncwritestream.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,66 @@
// Flags: --expose-internals
'use strict';

const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const SyncWriteStream = require('internal/fs').SyncWriteStream;

common.refreshTmpDir();

const filename = path.join(common.tmpDir, 'sync-write-stream.txt');

// Verify constructing the instance with defualt options.
{
const stream = new SyncWriteStream(1);

assert.strictEqual(stream.fd, 1);
assert.strictEqual(stream.readable, false);
assert.strictEqual(stream.autoClose, true);
assert.strictEqual(stream.listenerCount('end'), 1);
}

// Verify constructing the instance with specified options.
{
const stream = new SyncWriteStream(1, { autoClose: false });

assert.strictEqual(stream.fd, 1);
assert.strictEqual(stream.readable, false);
assert.strictEqual(stream.autoClose, false);
assert.strictEqual(stream.listenerCount('end'), 1);
}

// Verfiy that the file will be writen synchronously.
{
const fd = fs.openSync(filename, 'w');
const stream = new SyncWriteStream(fd);
const chunk = Buffer.from('foo');

assert.strictEqual(stream._write(chunk, null, common.mustCall(1)), true);
assert.strictEqual(fs.readFileSync(filename).equals(chunk), true);
}

// Verify that the stream will unset the fd after destory().
{
const fd = fs.openSync(filename, 'w');
const stream = new SyncWriteStream(fd);

stream.on('close', common.mustCall(3));

assert.strictEqual(stream.destroy(), true);
assert.strictEqual(stream.fd, null);
assert.strictEqual(stream.destroy(), true);
assert.strictEqual(stream.destroySoon(), true);
}

// Verfit that the 'end' event listener will also destroy the stream.
{
const fd = fs.openSync(filename, 'w');
const stream = new SyncWriteStream(fd);

assert.strictEqual(stream.fd, fd);

stream.emit('end');
assert.strictEqual(stream.fd, null);
}
10 changes: 10 additions & 0 deletions test/parallel/test-internal-fs.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
// Flags: --expose-internals
'use strict';

require('../common');
const assert = require('assert');
const fs = require('internal/fs');

assert.doesNotThrow(() => fs.assertEncoding());
assert.doesNotThrow(() => fs.assertEncoding('utf8'));
assert.throws(() => fs.assertEncoding('foo'), /^Error: Unknown encoding: foo$/);

0 comments on commit 8ac1d6d

Please sign in to comment.