From a487f85d2d1a7b70bd313df0fc4aa685f3d2e5b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89tienne=20Beaul=C3=A9?= <etienne@dashhudson.com>
Date: Mon, 27 Feb 2023 21:40:33 -0400
Subject: [PATCH] Add tests for set_value()

These tests follow the examples given in the method.
---
 tests/test_serializer.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tests/test_serializer.py b/tests/test_serializer.py
index afefd70e1..13e768a34 100644
--- a/tests/test_serializer.py
+++ b/tests/test_serializer.py
@@ -740,3 +740,24 @@ class TestDeclaredFieldInheritance:
             'f4': serializers.CharField,
             'f5': serializers.CharField,
         }
+
+
+class TestSetValueMethod:
+    # Serializer.set_value() modifies the first parameter in-place.
+
+    s = serializers.Serializer()
+
+    def test_no_keys(self):
+        ret = {'a': 1}
+        self.s.set_value(ret, [], {'b': 2})
+        assert ret == {'a': 1, 'b': 2}
+
+    def test_one_key(self):
+        ret = {'a': 1}
+        self.s.set_value(ret, ['x'], 2)
+        assert ret == {'a': 1, 'x': 2}
+
+    def test_nested_key(self):
+        ret = {'a': 1}
+        self.s.set_value(ret, ['x', 'y'], 2)
+        assert ret == {'a': 1, 'x': {'y': 2}}