73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
// Flags: --expose-internals
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const SyncWriteStream = require('internal/fs/sync_write_stream');
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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const filename = path.join(tmpdir.path, 'sync-write-stream.txt');
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// Verify constructing the instance with default options.
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{
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const stream = new SyncWriteStream(1);
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assert.strictEqual(stream.fd, 1);
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assert.strictEqual(stream.readable, false);
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assert.strictEqual(stream.autoClose, true);
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}
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// Verify constructing the instance with specified options.
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{
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const stream = new SyncWriteStream(1, { autoClose: false });
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assert.strictEqual(stream.fd, 1);
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assert.strictEqual(stream.readable, false);
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assert.strictEqual(stream.autoClose, false);
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}
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// Verify that the file will be written synchronously.
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{
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const fd = fs.openSync(filename, 'w');
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const stream = new SyncWriteStream(fd);
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const chunk = Buffer.from('foo');
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assert.strictEqual(stream._write(chunk, null, common.mustCall(1)), true);
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assert.strictEqual(fs.readFileSync(filename).equals(chunk), true);
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}
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// Verify that the stream will unset the fd after destroy().
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{
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const fd = fs.openSync(filename, 'w');
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const stream = new SyncWriteStream(fd);
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stream.on('close', common.mustCall());
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assert.strictEqual(stream.destroy(), stream);
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assert.strictEqual(stream.fd, null);
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}
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// Verify that the stream will unset the fd after destroySoon().
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{
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const fd = fs.openSync(filename, 'w');
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const stream = new SyncWriteStream(fd);
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stream.on('close', common.mustCall());
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assert.strictEqual(stream.destroySoon(), stream);
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assert.strictEqual(stream.fd, null);
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}
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// Verify that calling end() will also destroy the stream.
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{
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const fd = fs.openSync(filename, 'w');
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const stream = new SyncWriteStream(fd);
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assert.strictEqual(stream.fd, fd);
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stream.end();
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assert.strictEqual(stream.fd, null);
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}
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