gnezim
109 lines
2.8 KiB
JavaScript
109 lines
2.8 KiB
JavaScript
const expect = require('chai').expect;
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const loglevel = require('loglevel');
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const other = require('loglevel-plugin-mock');
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const sinon = require('sinon');
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const prefix = require('../lib/loglevel-plugin-prefix');
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const spy = sinon.spy();
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loglevel.enableAll();
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describe('API', () => {
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it('Methods', () => {
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expect(prefix).to.have.property('apply').with.be.a('function');
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expect(prefix).to.have.property('reg').with.be.a('function');
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expect(prefix).not.to.have.property('noConflict');
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});
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it('Reg: empty arguments', () => {
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expect(prefix.reg).to.throw(TypeError, 'Argument is not a root logger');
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});
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it('Reg: incorrect argument', () => {
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expect(() => prefix.reg('logger')).to.throw(TypeError, 'Argument is not a root logger');
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});
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it('Apply: empty arguments', () => {
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expect(prefix.apply).to.throw(TypeError, 'Argument is not a logger');
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});
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it('Apply: incorrect argument', () => {
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expect(() => prefix.apply('logger')).to.throw(TypeError, 'Argument is not a logger');
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});
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});
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describe('Prefix', () => {
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other.apply(loglevel, { method: spy });
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beforeEach(() => {
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spy.reset();
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});
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it('Root applying', () => {
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expect(() => prefix.apply(loglevel)).to.not.throw();
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});
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it('Root reapplyng', () => {
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prefix.apply(loglevel, { template: '%l (%n):' });
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loglevel.info('test');
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expect(spy.calledWith('INFO (root): test')).to.be.true;
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});
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it('Format', () => {
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prefix.apply(loglevel, {
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format: (level, logger) => `${level} (${logger}):`
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});
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loglevel.info('test');
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expect(spy.calledWith('INFO (root): test')).to.be.true;
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});
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it('Unformat', () => {
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prefix.apply(loglevel, { template: '%l:' });
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loglevel.info('test');
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expect(spy.calledWith('INFO: test')).to.be.true;
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});
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it('The prefix must be combined with the first argument, if it is a string', () => {
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prefix.apply(loglevel, { template: '%l:' });
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loglevel.info('foo %s', 'bar');
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expect(spy.calledWith('INFO: foo %s', 'bar')).to.be.true;
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});
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it('All methods of the previous plugin should be called', () => {
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prefix.apply(loglevel);
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// for warn in apply
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spy.reset();
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loglevel.trace();
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loglevel.debug();
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loglevel.info();
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loglevel.warn();
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loglevel.error();
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expect(spy.callCount).to.equal(5);
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});
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it('Child applying', () => {
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const child = loglevel.getLogger('child');
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prefix.apply(child, { template: '%l (%n):' });
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child.info('test');
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expect(spy.calledWith('INFO (child): test')).to.be.true;
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});
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it('Child reapplyng', () => {
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const child = loglevel.getLogger('child');
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prefix.apply(child, {
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levelFormatter(level) {
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return level;
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}
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});
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child.info('test');
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expect(spy.calledWith('info (child): test')).to.be.true;
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});
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});
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