1 files changed, 52 insertions, 0 deletions
diff --git a/test/diagnostics-channel/error.js b/test/diagnostics-channel/error.js
new file mode 100644
index 0000000..1f350b1
--- /dev/null
+++ b/test/diagnostics-channel/error.js
@@ -0,0 +1,52 @@
+'use strict'
+
+const t = require('tap')
+
+let diagnosticsChannel
+
+try {
+  diagnosticsChannel = require('diagnostics_channel')
+} catch {
+  t.skip('missing diagnostics_channel')
+  process.exit(0)
+}
+
+const { Client } = require('../..')
+const { createServer } = require('http')
+
+t.plan(3)
+
+const server = createServer((req, res) => {
+  res.destroy()
+})
+t.teardown(server.close.bind(server))
+
+const reqHeaders = {
+  foo: undefined,
+  bar: 'bar'
+}
+
+let _req
+diagnosticsChannel.channel('undici:request:create').subscribe(({ request }) => {
+  _req = request
+})
+
+diagnosticsChannel.channel('undici:request:error').subscribe(({ request, error }) => {
+  t.equal(_req, request)
+  t.equal(error.code, 'UND_ERR_SOCKET')
+})
+
+server.listen(0, () => {
+  const client = new Client(`http://localhost:${server.address().port}`, {
+    keepAliveTimeout: 300e3
+  })
+  t.teardown(client.close.bind(client))
+
+  client.request({
+    path: '/',
+    method: 'GET',
+    headers: reqHeaders
+  }, (err, data) => {
+    t.equal(err.code, 'UND_ERR_SOCKET')
+  })
+})