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node_modules/pino/test/error-key.test.js

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+'use strict'
+
+const test = require('node:test')
+const assert = require('node:assert')
+
+const { sink, once } = require('./helper')
+const stdSerializers = require('pino-std-serializers')
+const pino = require('../')
+
+test('set the errorKey with error serializer', async () => {
+  const stream = sink()
+  const errorKey = 'error'
+  const instance = pino({
+    errorKey,
+    serializers: { [errorKey]: stdSerializers.err }
+  }, stream)
+  instance.error(new ReferenceError('test'))
+  const o = await once(stream, 'data')
+  assert.equal(typeof o[errorKey], 'object')
+  assert.equal(o[errorKey].type, 'ReferenceError')
+  assert.equal(o[errorKey].message, 'test')
+  assert.equal(typeof o[errorKey].stack, 'string')
+})
+
+test('set the errorKey without error serializer', async () => {
+  const stream = sink()
+  const errorKey = 'error'
+  const instance = pino({
+    errorKey
+  }, stream)
+  instance.error(new ReferenceError('test'))
+  const o = await once(stream, 'data')
+  assert.equal(typeof o[errorKey], 'object')
+  assert.equal(o[errorKey].type, 'ReferenceError')
+  assert.equal(o[errorKey].message, 'test')
+  assert.equal(typeof o[errorKey].stack, 'string')
+})