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