Spying on require with jasmine
I recently encountered a situation where I needed to test how a program behave when a call to require throw an exception (module not found). After some googling I found the following solution:
describe 'spying on require', ->
beforeEach ->
spyOn(require('module'), '_load').andCallFake ->
throw new Error 'irrelevant'
it 'should allow to make any require call to fail', ->
expect(-> require 'fs').toThrow()
Written by Cédric Néhémie
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