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31 lines
938 B
JavaScript
31 lines
938 B
JavaScript
'use strict'
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var chai = require('chai')
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global.expect = chai.expect
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exports.expectError = function OErrorExpectError (e, expected) {
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// should set the name to the error's name
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expect(e.name).to.equal(expected.name)
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// should be an instance of the error type
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expect(e instanceof expected.klass).to.be.true
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// should be an instance of the built-in Error type
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expect(e instanceof Error).to.be.true
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// should be recognised by util.isError
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expect(require('util').isError(e)).to.be.true
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// should have a stack trace
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expect(e.stack).to.be.truthy
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// toString should return the default error message formatting
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expect(e.toString()).to.equal(expected.message)
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// stack should start with the default error message formatting
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expect(e.stack.split('\n')[0], expected.name)
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// first stack frame should be the function where the error was thrown
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expect(e.stack.split('\n')[1]).to.match(expected.firstFrameRx)
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}
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