debug/test.node.js at master · debug-js/debug · GitHub

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/* eslint-env mocha */

const assert = require('assert');

const util = require('util');

const sinon = require('sinon');

const debug = require('./src/node');

const formatWithOptionsSpy = sinon.spy(util, 'formatWithOptions');

beforeEach(() => {

formatWithOptionsSpy.resetHistory();

});

describe('debug node', () => {

describe('formatting options', () => {

it('calls util.formatWithOptions', () => {

debug.enable('*');

const stdErrWriteStub = sinon.stub(process.stderr, 'write');

const log = debug('formatting options');

log('hello world');

assert(util.formatWithOptions.callCount === 1);

stdErrWriteStub.restore();

});

it('calls util.formatWithOptions with inspectOpts', () => {

debug.enable('*');

const options = {

hideDate: true,

colors: true,

depth: 10,

showHidden: true

};

Object.assign(debug.inspectOpts, options);

const stdErrWriteStub = sinon.stub(process.stderr, 'write');

const log = debug('format with inspectOpts');

log('hello world2');

assert.deepStrictEqual(util.formatWithOptions.getCall(0).args[0], options);

stdErrWriteStub.restore();

});

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