From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

---
 .../node_modules/undici/lib/mock/mock-errors.js    | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 vanilla/node_modules/undici/lib/mock/mock-errors.js

(limited to 'vanilla/node_modules/undici/lib/mock/mock-errors.js')

diff --git a/vanilla/node_modules/undici/lib/mock/mock-errors.js b/vanilla/node_modules/undici/lib/mock/mock-errors.js
new file mode 100644
index 0000000..69e4f9c
--- /dev/null
+++ b/vanilla/node_modules/undici/lib/mock/mock-errors.js
@@ -0,0 +1,29 @@
+'use strict'
+
+const { UndiciError } = require('../core/errors')
+
+const kMockNotMatchedError = Symbol.for('undici.error.UND_MOCK_ERR_MOCK_NOT_MATCHED')
+
+/**
+ * The request does not match any registered mock dispatches.
+ */
+class MockNotMatchedError extends UndiciError {
+  constructor (message) {
+    super(message)
+    this.name = 'MockNotMatchedError'
+    this.message = message || 'The request does not match any registered mock dispatches'
+    this.code = 'UND_MOCK_ERR_MOCK_NOT_MATCHED'
+  }
+
+  static [Symbol.hasInstance] (instance) {
+    return instance && instance[kMockNotMatchedError] === true
+  }
+
+  get [kMockNotMatchedError] () {
+    return true
+  }
+}
+
+module.exports = {
+  MockNotMatchedError
+}
-- 
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