pulsar/spec/buffered-process-spec.coffee

43 lines
1.5 KiB
CoffeeScript

BufferedProcess = require '../src/buffered-process'
describe "BufferedProcess", ->
describe "when a bad command is specified", ->
[oldOnError] = []
beforeEach ->
oldOnError = window.onerror
window.onerror = jasmine.createSpy()
afterEach ->
window.onerror = oldOnError
describe "when there is an error handler specified", ->
it "calls the error handler and does not throw an exception", ->
process = new BufferedProcess
command: 'bad-command-nope'
args: ['nothing']
options: {}
errorSpy = jasmine.createSpy().andCallFake (error) -> error.handle()
process.onWillThrowError(errorSpy)
waitsFor -> errorSpy.callCount > 0
runs ->
expect(window.onerror).not.toHaveBeenCalled()
expect(errorSpy).toHaveBeenCalled()
expect(errorSpy.mostRecentCall.args[0].error.message).toContain 'spawn bad-command-nope ENOENT'
describe "when there is not an error handler specified", ->
it "calls the error handler and does not throw an exception", ->
process = new BufferedProcess
command: 'bad-command-nope'
args: ['nothing']
options: {}
waitsFor -> window.onerror.callCount > 0
runs ->
expect(window.onerror).toHaveBeenCalled()
expect(window.onerror.mostRecentCall.args[0]).toContain 'Failed to spawn command `bad-command-nope`'
expect(window.onerror.mostRecentCall.args[4].name).toBe 'BufferedProcessError'