1 files changed, 30 insertions, 0 deletions
diff --git a/test/issue-2078.js b/test/issue-2078.js
new file mode 100644
index 0000000..d3aa868
--- /dev/null
+++ b/test/issue-2078.js
@@ -0,0 +1,30 @@
+'use strict'
+
+const { test, skip } = require('tap')
+const { nodeMajor, nodeMinor } = require('../lib/core/util')
+const { MockAgent, getGlobalDispatcher, setGlobalDispatcher, fetch } = require('..')
+
+if (nodeMajor < 16 || (nodeMajor === 16 && nodeMinor < 8)) {
+  skip('fetch is not supported in node < v16.8.0')
+  process.exit()
+}
+
+test('MockPool.reply headers are an object, not an array - issue #2078', async (t) => {
+  const global = getGlobalDispatcher()
+  const mockAgent = new MockAgent()
+  const mockPool = mockAgent.get('http://localhost')
+
+  t.teardown(() => setGlobalDispatcher(global))
+  setGlobalDispatcher(mockAgent)
+
+  mockPool.intercept({
+    path: '/foo',
+    method: 'GET'
+  }).reply((options) => {
+    t.ok(!Array.isArray(options.headers))
+
+    return { statusCode: 200 }
+  })
+
+  await t.resolves(fetch('http://localhost/foo'))
+})