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107 lines
2.7 KiB
107 lines
2.7 KiB
4 years ago
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'use strict'
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var test = require('tap').test
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const serializer = require('../lib/err')
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var wrapErrorSerializer = require('../').wrapErrorSerializer
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test('serializes Error objects', function (t) {
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t.plan(3)
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var serialized = serializer(Error('foo'))
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t.is(serialized.type, 'Error')
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t.is(serialized.message, 'foo')
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t.match(serialized.stack, /err\.test\.js:/)
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})
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test('serializes Error objects with extra properties', function (t) {
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t.plan(5)
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var err = Error('foo')
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err.statusCode = 500
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var serialized = serializer(err)
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t.is(serialized.type, 'Error')
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t.is(serialized.message, 'foo')
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t.ok(serialized.statusCode)
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t.is(serialized.statusCode, 500)
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t.match(serialized.stack, /err\.test\.js:/)
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})
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test('serializes nested errors', function (t) {
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t.plan(7)
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var err = Error('foo')
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err.inner = Error('bar')
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var serialized = serializer(err)
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t.is(serialized.type, 'Error')
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t.is(serialized.message, 'foo')
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t.match(serialized.stack, /err\.test\.js:/)
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t.is(serialized.inner.type, 'Error')
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t.is(serialized.inner.message, 'bar')
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t.match(serialized.inner.stack, /Error: bar/)
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t.match(serialized.inner.stack, /err\.test\.js:/)
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})
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test('prevents infinite recursion', function (t) {
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t.plan(4)
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var err = Error('foo')
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err.inner = err
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var serialized = serializer(err)
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t.is(serialized.type, 'Error')
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t.is(serialized.message, 'foo')
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t.match(serialized.stack, /err\.test\.js:/)
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t.notOk(serialized.inner)
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})
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test('cleans up infinite recursion tracking', function (t) {
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t.plan(8)
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var err = Error('foo')
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var bar = Error('bar')
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err.inner = bar
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bar.inner = err
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serializer(err)
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var serialized = serializer(err)
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t.is(serialized.type, 'Error')
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t.is(serialized.message, 'foo')
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t.match(serialized.stack, /err\.test\.js:/)
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t.ok(serialized.inner)
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t.is(serialized.inner.type, 'Error')
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t.is(serialized.inner.message, 'bar')
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t.match(serialized.inner.stack, /Error: bar/)
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t.notOk(serialized.inner.inner)
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})
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test('err.raw is available', function (t) {
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t.plan(1)
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const err = Error('foo')
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const serialized = serializer(err)
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t.equal(serialized.raw, err)
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})
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test('pass through anything that is not an Error', function (t) {
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t.plan(3)
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function check (a) {
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t.is(serializer(a), a)
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}
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check('foo')
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check({ hello: 'world' })
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check([1, 2])
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})
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test('can wrap err serializers', function (t) {
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t.plan(5)
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var err = Error('foo')
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err.foo = 'foo'
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var serializer = wrapErrorSerializer(function (err) {
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delete err.foo
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err.bar = 'bar'
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return err
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})
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var serialized = serializer(err)
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t.is(serialized.type, 'Error')
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t.is(serialized.message, 'foo')
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t.match(serialized.stack, /err\.test\.js:/)
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t.notOk(serialized.foo)
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t.is(serialized.bar, 'bar')
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})
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