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'use strict' const diagnostics = require('node:diagnostics_channel') const { test } = require('node:test') require('../../lib/hooks').onSendHookRunner = function Stub () {} const Request = require('../../lib/request') const Reply = require('../../lib/reply') const symbols = require('../../lib/symbols.js') const { preHandlerCallback } = require('../../lib/handleRequest')[Symbol.for('internals')] test('diagnostics channel handles an error before calling context handler', t => { t.plan(3) let callOrder = 0 diagnostics.subscribe('tracing:fastify.request.handler:start', (msg) => { t.assert.strictEqual(callOrder++, 0) }) diagnostics.subscribe('tracing:fastify.request.handler:error', (msg) => { t.assert.strictEqual(callOrder++, 1) t.assert.strictEqual(msg.error.message, 'oh no') }) const error = new Error('oh no') const request = new Request() const reply = new Reply({}, request) request[symbols.kRouteContext] = { config: { url: '/foo', method: 'GET' } } preHandlerCallback(error, request, reply) })