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110 lines
2.6 KiB
110 lines
2.6 KiB
2 years ago
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chai = require 'chai'
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PrettyError = require '../src/PrettyError'
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defaultStyle = require '../src/defaultStyle'
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chai.should()
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isFormatted = (exc) ->
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exc.stack.indexOf(' \u001b[0m\u001b[97m\u001b[41m') is 0
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error = (what) ->
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if typeof what is 'string'
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return error -> throw Error what
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else if what instanceof Function
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try
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do what
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catch e
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return e
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throw Error "bad argument for error"
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describe "PrettyError", ->
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describe "constructor()", ->
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it "should work", ->
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new PrettyError
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describe "getObject", ->
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it "should return a string", ->
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p = new PrettyError
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p.getObject(error "hello").should.be.an 'object'
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describe "style", ->
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it "should, by default, return the contents in `default-style`", ->
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p = new PrettyError
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p.style.should.eql defaultStyle()
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it "should return different contents after appending some styles", ->
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p = new PrettyError
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p.appendStyle 'some selector': 'display': 'block'
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p.style.should.not.eql defaultStyle()
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describe "render()", ->
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it "should work", ->
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p = new PrettyError
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p.skipNodeFiles()
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p.appendStyle 'pretty-error': marginLeft: 4
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e = error -> "a".should.equal "b"
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console.log p.render e, no
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e2 = error -> Array.split(Object)
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console.log p.render e2, no
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e3 = "Plain error message"
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console.log p.render e3, no
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e4 =
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message: "Custom error message"
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kind: "Custom Error"
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console.log p.render e4, no
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e5 =
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message: "Error with custom stack"
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stack: ['line one', 'line two']
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wrapper: 'UnhandledRejection'
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console.log p.render e5, no
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e6 = error -> PrettyError.someNonExistingFuncion()
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console.log p.render e6, no
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it.skip "should render without colors if pe._useColors is false", ->
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p = new PrettyError
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p.withoutColors()
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p.skipNodeFiles()
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p.appendStyle 'pretty-error': marginLeft: 4
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e = error -> "a".should.equal "b"
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console.log p.render e, no
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describe "start()", ->
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prepareStackTrace = null
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beforeEach ->
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{prepareStackTrace} = Error
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Error.prepareStackTrace = null
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afterEach ->
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Error.prepareStackTrace = prepareStackTrace
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it "throws unformatted error when not started", ->
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try
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throw new Error "foo bar"
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catch exc
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isFormatted(exc).should.be.eql false
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it "throws formatted the error", ->
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PrettyError.start()
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try
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throw new Error "foo bar"
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catch exc
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isFormatted(exc).should.be.eql true
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exc.stack.split(/\n/g).length.should.be.above 2
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PrettyError.stop()
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