From 8be47723a44b31baa4afef68246d2183af83ddd4 Mon Sep 17 00:00:00 2001
From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com>
Date: Tue, 13 Apr 2021 22:20:28 +0200
Subject: [PATCH] Make sure it merges instances in order, omits Got defaults

Fixes #1450
---
 test/normalize-arguments.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/normalize-arguments.ts b/test/normalize-arguments.ts
index a02802d72..7c0985dd1 100644
--- a/test/normalize-arguments.ts
+++ b/test/normalize-arguments.ts
@@ -133,3 +133,20 @@ test('maxRetryAfter is calculated seperately from request timeout', t => {
 
 	t.is(options.retry.maxRetryAfter, 300);
 });
+
+test('extending responseType', async t => {
+	const instance1 = got.extend({
+		prefixUrl: 'https://localhost',
+		responseType: 'json'
+	});
+
+	const instance2 = got.extend({
+		headers: {
+			'x-test': 'test'
+		}
+	});
+
+	const merged = instance1.extend(instance2);
+
+	t.is(merged.defaults.options.responseType, 'json');
+});