7c1573fb07
* switch from custom eslint config to standard + prettier * fix new standard eslint violations * add editorconfig file * auto-fix all other violations * update lint yarn script * remove jshint comment
261 lines
8.1 KiB
JavaScript
261 lines
8.1 KiB
JavaScript
var Log = require('../../../src/lib/log');
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var _ = require('lodash');
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var expect = require('expect.js');
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describe('Log class', function() {
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describe('::parseLevels', function() {
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it('accepts a string and returns it and the other levels below it', function() {
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expect(Log.parseLevels('trace')).to.eql([
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'error',
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'warning',
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'info',
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'debug',
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'trace',
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]);
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});
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it('accepts and validates an array of levels', function() {
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expect(Log.parseLevels(['warning', 'info'])).to.eql(['warning', 'info']);
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});
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it('throws an error when an invalid string is supplied', function() {
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expect(function() {
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Log.parseLevels('INVALID');
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}).to.throwError(/invalid logging level/);
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});
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it('throws an error when an invalid string is supplied in side an array', function() {
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expect(function() {
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Log.parseLevels(['error', 'INVALID']);
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}).to.throwError(/invalid logging level/);
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});
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});
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describe('#addOutput', function() {
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var log;
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Log.loggers.stub = function(log, config) {
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this.config = config;
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};
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beforeEach(function() {
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log = new Log();
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});
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it('returns the newly created logger', function() {
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expect(log.addOutput({ type: 'stub' })).to.be.a(Log.loggers.stub);
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});
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it('Accepts a config object with `level: "{{level}}"`', function() {
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var logger = log.addOutput({
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type: 'stub',
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level: 'warning',
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});
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expect(logger.config.levels).to.eql(['error', 'warning']);
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});
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it('Accepts a config object with `level: ["{{level}}"]`', function() {
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var logger = log.addOutput({
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type: 'stub',
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level: ['warning'],
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});
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expect(logger.config.levels).to.eql(['warning']);
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});
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it('Accepts a config object with `levels: "{{level}}"`', function() {
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var logger = log.addOutput({
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type: 'stub',
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levels: 'warning',
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});
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expect(logger.config.levels).to.eql(['error', 'warning']);
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});
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it('Accepts a config object with `levels: ["{{level}}"]`', function() {
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var logger = log.addOutput({
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type: 'stub',
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level: ['warning'],
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});
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expect(logger.config.levels).to.eql(['warning']);
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});
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});
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describe('#join', function() {
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it('joins strings together with spaces', function() {
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expect(Log.join(['foo', 'bar'])).to.eql('foo bar');
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});
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it('stringifies objects', function() {
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expect(Log.join([{ foo: 'bar' }])).to.eql('{\n "foo": "bar"\n}\n');
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});
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it('fully stringifies deeply nested objects', function() {
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var object = { foo: { bar: { baz: 'value' } } };
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var expected = '{\n "bar": {\n "baz": "value"\n }\n}\n';
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expect(Log.join(object)).to.eql(expected);
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});
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});
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describe('instance without any outputs', function() {
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var log;
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beforeEach(function() {
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log = new Log();
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});
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it('should not emit any events', function() {
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log.emit = function() {
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throw new Error('Emit should not be called');
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};
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log.error();
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log.info();
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log.warning();
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log.debug();
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log.trace();
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});
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});
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describe('instance without one output listening to all events', function() {
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var log, call;
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beforeEach(function() {
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call = void 0;
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log = new Log({
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log: [
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{
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type: function(log) {
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log.on('error', _.noop);
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log.on('warning', _.noop);
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log.on('info', _.noop);
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log.on('debug', _.noop);
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log.on('trace', _.noop);
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},
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},
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],
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});
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log.emit = function(eventName) {
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call = {
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event: eventName,
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args: Array.prototype.slice.call(arguments, 1),
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};
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};
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});
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it('should emit an "error" event with an Error object arg', function() {
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var err = new Error('error');
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log.error(err);
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expect(call.event).to.eql('error');
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expect(call.args[0]).to.be(err);
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call = void 0;
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log.error('error');
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expect(call.event).to.eql('error');
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expect(call.args[0]).to.be.a(Error);
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expect(call.args[0].message).to.eql('error');
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});
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it('should emit a "warning" event with a single message arg for #warning calls', function() {
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log.warning('shit!');
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expect(call.event).to.eql('warning');
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expect(call.args.length).to.be(1);
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expect(call.args[0]).to.eql('shit!');
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});
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it('should emit a "info" event with a single message arg for #info calls', function() {
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log.info('look out!');
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expect(call.event).to.eql('info');
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expect(call.args.length).to.be(1);
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expect(call.args[0]).to.eql('look out!');
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});
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it('should emit a "debug" event with a single message arg for #debug calls', function() {
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log.debug('here');
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expect(call.event).to.eql('debug');
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expect(call.args.length).to.be(1);
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expect(call.args[0]).to.eql('here');
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});
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it('should emit a trace event for trace events, with normalized request details arg', function() {
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log.trace('GET', 'http://localhost:9200/_cluster/nodes', '', '', 200);
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expect(call.event).to.eql('trace');
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expect(call.args.length).to.be(1);
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expect(call.args[0]).to.have.property('method', 'GET');
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expect(call.args[0]).to.have.property(
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'url',
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'http://localhost:9200/_cluster/nodes'
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);
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expect(call.args[0]).to.have.property('status', 200);
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});
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});
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describe('constructor', function() {
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it('looks for output config options at config.log', function() {
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var log = new Log({
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log: { type: process.browser ? 'console' : 'stdio', level: 'error' },
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});
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expect(log.listenerCount('error')).to.eql(1);
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expect(log.listenerCount('warning')).to.eql(0);
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expect(log.listenerCount('info')).to.eql(0);
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expect(log.listenerCount('debug')).to.eql(0);
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expect(log.listenerCount('trace')).to.eql(0);
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});
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it('accepts a string and treat it as a log level', function() {
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var log = new Log({ log: 'error' });
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expect(log.listenerCount('error')).to.eql(1);
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expect(log.listenerCount('warning')).to.eql(0);
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expect(log.listenerCount('info')).to.eql(0);
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expect(log.listenerCount('debug')).to.eql(0);
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expect(log.listenerCount('trace')).to.eql(0);
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});
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it('accepts an array of strings and treat it as a log level config', function() {
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var log = new Log({ log: ['error', 'trace'] });
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expect(log.listenerCount('error')).to.eql(1);
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expect(log.listenerCount('warning')).to.eql(0);
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expect(log.listenerCount('info')).to.eql(0);
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expect(log.listenerCount('debug')).to.eql(0);
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expect(log.listenerCount('trace')).to.eql(1);
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});
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it('accepts an array of output config objects', function() {
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var log = new Log({ log: [{ level: 'error' }, { level: 'trace' }] });
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expect(log.listenerCount('error')).to.eql(2);
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expect(log.listenerCount('warning')).to.eql(1);
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expect(log.listenerCount('info')).to.eql(1);
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expect(log.listenerCount('debug')).to.eql(1);
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expect(log.listenerCount('trace')).to.eql(1);
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});
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it('rejects numbers and other truthy data-types', function() {
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expect(function() {
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// eslint-disable-next-line no-new
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new Log({ log: 1515 });
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}).to.throwError(/invalid logging output config/i);
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expect(function() {
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// eslint-disable-next-line no-new
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new Log({ log: /regexp/ });
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}).to.throwError(/invalid logging output config/i);
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expect(function() {
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// eslint-disable-next-line no-new
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new Log({ log: new Date() });
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}).to.throwError(/invalid logging output config/i);
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expect(function() {
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// eslint-disable-next-line no-new
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new Log({ log: [1515] });
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}).to.throwError(/invalid logging output config/i);
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expect(function() {
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// eslint-disable-next-line no-new
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new Log({ log: [/regexp/] });
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}).to.throwError(/invalid logging output config/i);
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expect(function() {
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// eslint-disable-next-line no-new
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new Log({ log: [new Date()] });
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}).to.throwError(/invalid logging output config/i);
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});
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});
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});
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