From 350f4414d87b603765038dac4478c7ccb4296900 Mon Sep 17 00:00:00 2001
From: tdakkota <tanc13@yandex.ru>
Date: Tue, 10 Sep 2024 16:08:36 +0300
Subject: [PATCH] test: add regression test for pointer optionals

---
 _testdata/positive/sample.json    | 38 +++++++++++++++++++++++++++++++
 internal/integration/json_test.go | 15 ++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/_testdata/positive/sample.json b/_testdata/positive/sample.json
index 4b387a066..a15f789d6 100644
--- a/_testdata/positive/sample.json
+++ b/_testdata/positive/sample.json
@@ -798,6 +798,23 @@
           }
         }
       }
+    },
+    "/testIssue1310": {
+      "get": {
+        "operationId": "testIssue1310",
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Issue1310"
+                }
+              }
+            }
+          }
+        }
+      }
     }
   },
   "components": {
@@ -1973,6 +1990,27 @@
             "type": "string"
           }
         }
+      },
+      "Issue1310": {
+        "description": "An API error",
+        "type": "object",
+        "properties": {
+          "title": {
+            "description": "A short, human-readable summary of the problem type. This value should not change between occurrences of the error.",
+            "example": "Bad Request",
+            "type": "string"
+          },
+          "details": {
+            "description": "A human-readable explanation specific to this occurrence of the problem.",
+            "example": "Property foo is required but is missing.",
+            "type": "string"
+          },
+          "properties": {
+            "description": "Optional map of properties",
+            "nullable": true,
+            "type": "object"
+          }
+        }
       }
     },
     "parameters": {
diff --git a/internal/integration/json_test.go b/internal/integration/json_test.go
index ed52de314..bcbfd2126 100644
--- a/internal/integration/json_test.go
+++ b/internal/integration/json_test.go
@@ -184,6 +184,21 @@ func TestJSONGenerics(t *testing.T) {
 			})
 		}
 	})
+	t.Run("Issue1310", func(t *testing.T) {
+		t.Parallel()
+
+		val := api.Issue1310{
+			Title:      api.NewOptString("Bad Request"),
+			Details:    api.NewOptString("This is an example error"),
+			Properties: api.NewOptIssue1310Properties(&api.Issue1310Properties{}),
+		}
+		encoded := encodeObject(&val)
+
+		var decoded api.Issue1310
+		decodeObject(t, encoded, &decoded)
+		require.Equal(t, val, decoded)
+		require.JSONEq(t, string(encoded), string(encodeObject(&decoded)))
+	})
 }
 
 func TestJSONArray(t *testing.T) {