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This commit adds a mustNotCall() helper for testing. This provides an alternative to using common.fail() as a callback, or creating a callback function for the sole purpose of calling common.fail(). PR-URL: https://github.com/nodejs/node/pull/11152 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
42 lines
965 B
JavaScript
42 lines
965 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const spawn = require('child_process').spawn;
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const cat = spawn(common.isWindows ? 'more' : 'cat');
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cat.stdin.write('hello');
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cat.stdin.write(' ');
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cat.stdin.write('world');
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assert.strictEqual(true, cat.stdin.writable);
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assert.strictEqual(false, cat.stdin.readable);
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cat.stdin.end();
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let response = '';
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cat.stdout.setEncoding('utf8');
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cat.stdout.on('data', function(chunk) {
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console.log('stdout: ' + chunk);
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response += chunk;
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});
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cat.stdout.on('end', common.mustCall(function() {}));
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cat.stderr.on('data', common.mustNotCall());
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cat.stderr.on('end', common.mustCall(function() {}));
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cat.on('exit', common.mustCall(function(status) {
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assert.strictEqual(0, status);
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}));
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cat.on('close', common.mustCall(function() {
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if (common.isWindows) {
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assert.strictEqual('hello world\r\n', response);
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} else {
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assert.strictEqual('hello world', response);
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}
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}));
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