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test: refactoring test-pipe-head

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- Updated assert.equal to assert.strictEqual
- Updated 'var' to 'const'
- Using template literals

PR-URL: https://github.com/nodejs/node/pull/10036
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Italo A. Casas <me@italoacasas.com>
This commit is contained in:
Travis Bretton 2016-12-01 10:45:24 -07:00 committed by Italo A. Casas
parent bc57f241fa
commit 7c9dc5d9bc
1 changed files with 10 additions and 10 deletions
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20
test/parallel/test-pipe-head.js
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@ -1,17 +1,17 @@
'use strict';
var common = require('../common');
var assert = require('assert');
const common = require('../common');
const assert = require('assert');
var exec = require('child_process').exec;
var join = require('path').join;
const exec = require('child_process').exec;
const join = require('path').join;
var nodePath = process.argv[0];
var script = join(common.fixturesDir, 'print-10-lines.js');
const nodePath = process.argv[0];
const script = join(common.fixturesDir, 'print-10-lines.js');
var cmd = '"' + nodePath + '" "' + script + '" | head -2';
const cmd = `"${nodePath}" "${script}" | head -2`;
exec(cmd, common.mustCall(function(err, stdout, stderr) {
if (err) throw err;
var lines = stdout.split('\n');
assert.equal(3, lines.length);
assert.ifError(err);
const lines = stdout.split('\n');
assert.strictEqual(3, lines.length);
}));