mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.5 KiB
59 lines
1.5 KiB
'use strict';
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const Stream = require('stream');
|
|
const Console = require('console').Console;
|
|
|
|
const out = new Stream();
|
|
const err = new Stream();
|
|
|
|
// ensure the Console instance doesn't write to the
|
|
// process' "stdout" or "stderr" streams
|
|
process.stdout.write = process.stderr.write = common.fail;
|
|
|
|
// make sure that the "Console" function exists
|
|
assert.strictEqual('function', typeof Console);
|
|
|
|
// make sure that the Console constructor throws
|
|
// when not given a writable stream instance
|
|
assert.throws(() => {
|
|
new Console();
|
|
}, /^TypeError: Console expects a writable stream instance$/);
|
|
|
|
// Console constructor should throw if stderr exists but is not writable
|
|
assert.throws(() => {
|
|
out.write = () => {};
|
|
err.write = undefined;
|
|
new Console(out, err);
|
|
}, /^TypeError: Console expects writable stream instances$/);
|
|
|
|
out.write = err.write = (d) => {};
|
|
|
|
const c = new Console(out, err);
|
|
|
|
out.write = err.write = common.mustCall((d) => {
|
|
assert.strictEqual(d, 'test\n');
|
|
}, 2);
|
|
|
|
c.log('test');
|
|
c.error('test');
|
|
|
|
out.write = common.mustCall((d) => {
|
|
assert.strictEqual('{ foo: 1 }\n', d);
|
|
});
|
|
|
|
c.dir({ foo: 1 });
|
|
|
|
// ensure that the console functions are bound to the console instance
|
|
let called = 0;
|
|
out.write = common.mustCall((d) => {
|
|
called++;
|
|
assert.strictEqual(d, `${called} ${called - 1} [ 1, 2, 3 ]\n`);
|
|
}, 3);
|
|
|
|
[1, 2, 3].forEach(c.log);
|
|
|
|
// Console() detects if it is called without `new` keyword
|
|
assert.doesNotThrow(() => {
|
|
Console(out, err);
|
|
});
|
|
|