89 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			89 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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| 
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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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| 
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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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| 
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|   t.equal(errno.code['UNKNOWN'], errno.all[1], 'code UNKNOWN not second element')
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| 
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|   t.equal(errno.errno[1], errno.all[3], 'errno 1 not fourth element')
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| 
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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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| 
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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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| 
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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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| 
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| test('callstack', function (t) {
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|   const MyError = errno.create('MyError')
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| 
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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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| 
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|   function secondLastFunction (ErrorType, cb) {
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|     lastFunction(ErrorType, cb)
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|   }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     inherits(MyError3, CustomError)
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| 
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|     secondLastFunction(MyError3, testFrames(t))
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|   })
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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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| 
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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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