chai = require 'chai'
ParsedError = require '../src/ParsedError'

chai.should()

error = (what) ->
  if typeof what is 'string'
    return error -> throw Error what

  else if what instanceof Function
    try
      do what
      return null
    catch e
      return e

  else
    throw Error "bad argument for error"

describe "ParsedError", ->
  describe "constructor()", ->
    it "should accept Error() instances", ->
      (-> new ParsedError error -> throw Error "some message").should.not.throw()

    it "should accept ReferenceError() and other derivatives of Error()", ->
      (-> new ParsedError error -> throw ReferenceError "some message").should.not.throw()

    it "should accept non errors", ->
      (-> e = new ParsedError 'some string').should.not.throw()

  describe "message", ->
    it "should return the original error message", ->
      e = new ParsedError error 'a'
      e.message.should.equal 'a'

  describe "multiline message", ->
    it "should return the original error message", ->
      e = new ParsedError error 'a \n b \n c'
      e.message.should.equal 'a \n b \n c'

  describe "kind", ->
    it "should return 'Error' for normal error", ->
      e = new ParsedError error 'a'
      e.kind.should.equal 'Error'

    it "should recognize 'ReferenceError'", ->
      e = new ParsedError error -> a.b = c
      e.kind.should.equal 'ReferenceError'

  describe "type", ->
    it.skip "should return original error type", ->
      e = new ParsedError error -> a.b = c
      e.type.should.be.equal 'not_defined'

  describe "arguments", ->
    it.skip "should return original error arguments", ->
      e = new ParsedError error -> a.b = c
      e.arguments.should.be.eql ['a']

  describe "stack", ->
    it "should return original error stack", ->
      e = new ParsedError error -> a.b = c
      e.stack.should.be.equal e.error.stack

  describe "trace", ->
    it "should include correct information about each trace item", ->
      e = new ParsedError error -> a.b = c
      e.trace.should.have.length.above 2

      item = e.trace[0]
      item.should.include.keys 'original',
        'what', 'path', 'addr',
        'file', 'dir', 'col',
        'line', 'jsCol', 'jsLine'
        'packageName', 'shortenedPath', 'shortenedAddr'

      item.path.should.equal module.filename.replace(/[\\]+/g, '/')

      item.line.should.be.a 'number'
      item.col.should.be.a 'number'

  describe "_rectifyPath()", ->
    it "should work", ->
      ParsedError::_rectifyPath('F:/a/node_modules/b/node_modules/d/node_modules/e/f.js').path.should.equal '[a]/[b]/[d]/[e]/f.js'

    it "should return path when `node_modules` is not present", ->
      ParsedError::_rectifyPath('a/b/c').path.should.equal 'a/b/c'