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025f53c306
So that multiple instances can be created pointing to different writable streams. This is needed for #3876.
81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var common = require('../common');
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var assert = require('assert');
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var Stream = require('stream');
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var Console = require('console').Console;
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var called = false;
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// ensure the Console instance doesn't write to the
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// process' "stdout" or "stderr" streams
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process.stdout.write = process.stderr.write = function() {
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throw new Error('write() should not be called!');
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};
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// make sure that the "Console" function exists
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assert.equal('function', typeof Console);
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// make sure that the Console constructor throws
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// when not given a writable stream instance
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assert.throws(function () {
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new Console();
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}, /Console expects a writable stream/);
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var out = new Stream();
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var err = new Stream();
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out.writable = err.writable = true;
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out.write = err.write = function(d) {};
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var c = new Console(out, err);
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out.write = err.write = function(d) {
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assert.equal(d, 'test\n');
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called = true;
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};
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assert(!called);
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c.log('test');
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assert(called);
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called = false;
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c.error('test');
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assert(called);
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out.write = function(d) {
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assert.equal('{ foo: 1 }\n', d);
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called = true;
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};
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called = false;
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c.dir({ foo: 1 });
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assert(called);
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// ensure that the console functions are bound to the console instance
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called = 0;
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out.write = function(d) {
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called++;
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assert.equal(d, called + ' ' + (called - 1) + ' [ 1, 2, 3 ]\n');
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};
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[1, 2, 3].forEach(c.log);
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assert.equal(3, called);
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