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58 lines
1.3 KiB
58 lines
1.3 KiB
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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