| var test = require('tape') |
| , inherits = require('inherits') |
| , ErrorStackParser = require('error-stack-parser') |
| , errno = require('./') |
| |
| test('sanity checks', function (t) { |
| t.ok(errno.all, 'errno.all not found') |
| t.ok(errno.errno, 'errno.errno not found') |
| t.ok(errno.code, 'errno.code not found') |
| |
| t.equal(errno.all.length, 60, 'found ' + errno.all.length + ', expected 60') |
| t.equal(errno.errno['-1'], errno.all[1], 'errno -1 not second element') |
| |
| t.equal(errno.code['UNKNOWN'], errno.all[1], 'code UNKNOWN not second element') |
| |
| t.equal(errno.errno[1], errno.all[3], 'errno 1 not fourth element') |
| |
| t.equal(errno.code['EOF'], errno.all[3], 'code EOF not fourth element') |
| t.end() |
| }) |
| |
| test('custom errors', function (t) { |
| const Cust = errno.create('FooNotBarError') |
| const cust = new Cust('foo is not bar') |
| |
| t.equal(cust.name, 'FooNotBarError', 'correct custom name') |
| t.equal(cust.type, 'FooNotBarError', 'correct custom type') |
| t.equal(cust.message, 'foo is not bar', 'correct custom message') |
| t.notOk(cust.cause, 'no cause') |
| t.end() |
| }) |
| |
| test('callstack', function (t) { |
| const MyError = errno.create('MyError') |
| |
| function lastFunction (ErrorType, cb) { |
| process.nextTick(cb, new ErrorType('oh noes!')) |
| } |
| |
| function secondLastFunction (ErrorType, cb) { |
| lastFunction(ErrorType, cb) |
| } |
| |
| function testFrames (t) { |
| return function (err) { |
| const stack = ErrorStackParser.parse(err) |
| t.same(stack[0].functionName, 'lastFunction', 'last stack frame ok') |
| t.same(stack[1].functionName, 'secondLastFunction', 'second last stack frame ok') |
| t.end() |
| } |
| } |
| |
| t.test('custom error, default prototype', function (t) { |
| secondLastFunction(MyError, testFrames(t)) |
| }) |
| |
| t.test('custom error, custom prototype', function (t) { |
| const MyError2 = errno.create('MyError2', MyError) |
| secondLastFunction(MyError2, testFrames(t)) |
| }) |
| |
| t.test('custom error, using inheritance', function (t) { |
| const CustomError = errno.custom.CustomError |
| |
| function MyError3 (message, cause) { |
| CustomError.call(this, message, cause) |
| } |
| |
| inherits(MyError3, CustomError) |
| |
| secondLastFunction(MyError3, testFrames(t)) |
| }) |
| }) |
| |
| test('error without message', function (t) { |
| const Cust = errno.create('WriteError') |
| const cust = new Cust({ |
| code: 22, |
| message: '', |
| name: 'QuotaExceededError' |
| }) |
| |
| t.equal(cust.name, 'WriteError', 'correct custom name') |
| t.equal(cust.type, 'WriteError', 'correct custom type') |
| t.equal(cust.message, 'QuotaExceededError', 'message is the name') |
| t.notOk(cust.cause, 'no cause') |
| t.end() |
| }) |