balena-cli/lib/resin/log/log.spec.coffee

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2014-11-21 15:22:26 +00:00
_ = require('lodash')
chai = require('chai')
chai.use(require('sinon-chai'))
expect = chai.expect
sinon = require('sinon')
log = require('./log')
MESSAGE =
foobar: 'Foo Bar'
# Very handy to check that the real console functions
# were called without printing anything, and preventing
# us from having to mock console, which is used by Mocha
empty: ''
describe 'Log:', ->
testConsoleFunction = (logName, consoleName, message, assertions) ->
spy = sinon.spy(console, consoleName)
log[logName](message)
assertions(spy)
console[consoleName].restore()
testConsoleFunctionBeingCalled = (logName, consoleName, message) ->
testConsoleFunction logName, consoleName, message, (spy) ->
expect(spy).to.have.been.calledOnce
expect(spy).to.have.been.calledWith(message)
testConsoleFunctionNotBeingCalled = (logName, consoleName, message) ->
testConsoleFunction logName, consoleName, message, (spy) ->
expect(spy).to.not.have.been.called
describe 'if quiet is false', ->
beforeEach ->
log.setQuiet(false)
describe '#error()', ->
it 'should output to console.error', ->
testConsoleFunctionBeingCalled('error', 'error', MESSAGE.empty)
describe '#warning()', ->
it 'should output to console.warn', ->
testConsoleFunctionBeingCalled('warning', 'warn', MESSAGE.empty)
describe '#info()', ->
it 'should output to console.info', ->
testConsoleFunctionBeingCalled('info', 'info', MESSAGE.empty)
describe '#out()', ->
it 'should output to console.log', ->
testConsoleFunctionBeingCalled('out', 'log', MESSAGE.empty)
describe '#setQuiet()', ->
it 'should set the quietness', ->
expect(log.isQuiet()).to.be.false
log.setQuiet(true)
expect(log.isQuiet()).to.be.true
describe '#isQuiet()', ->
it 'should return false by default', ->
expect(log.isQuiet()).to.be.false
describe 'if quiet is true', ->
beforeEach ->
log.setQuiet(true)
describe '#error()', ->
it 'should still output to console.error', ->
testConsoleFunctionBeingCalled('error', 'error', MESSAGE.empty)
describe '#warning()', ->
it 'should still output to console.warn', ->
testConsoleFunctionBeingCalled('warning', 'warn', MESSAGE.empty)
describe '#info()', ->
it 'should not call console.info', ->
testConsoleFunctionNotBeingCalled('info', 'info', MESSAGE.empty)
describe '#out()', ->
it 'should not call console.log', ->
testConsoleFunctionBeingCalled('out', 'log', MESSAGE.empty)