Merge the post request and response bodies while saving it as seed data in VS

core/src/main/kotlin/io/specmatic/stub/stateful/StatefulHttpStub.kt

@@ -36,6 +36,7 @@ import io.specmatic.core.value.JSONArrayValue
 import io.specmatic.core.value.JSONObjectValue
 import io.specmatic.core.value.StringValue
 import io.specmatic.core.value.Value
+import io.specmatic.core.value.mergeWith
 import io.specmatic.mock.ScenarioStub
 import io.specmatic.stub.ContractAndRequestsMismatch
 import io.specmatic.stub.ContractStub
@@ -595,12 +596,23 @@ class StatefulHttpStub(
 
             if (responseBody !is JSONObjectValue) return@forEach
             if(httpRequest.method == "POST" && httpRequest.body !is JSONObjectValue) return@forEach
-            stubCache.addResponse(
-                path = resourcePath,
-                responseBody = responseBody,
-                idKey = DEFAULT_CACHE_RESPONSE_ID_KEY,
-                idValue = idValueFor(DEFAULT_CACHE_RESPONSE_ID_KEY, responseBody)
-            )
+
+            val requestBody = httpRequest.body
+            if(requestBody is JSONObjectValue) {
+                stubCache.addResponse(
+                    path = resourcePath,
+                    responseBody = requestBody.mergeWith(responseBody) as JSONObjectValue,
+                    idKey = DEFAULT_CACHE_RESPONSE_ID_KEY,
+                    idValue = idValueFor(DEFAULT_CACHE_RESPONSE_ID_KEY, responseBody)
+                )
+            } else {
+                stubCache.addResponse(
+                    path = resourcePath,
+                    responseBody = responseBody,
+                    idKey = DEFAULT_CACHE_RESPONSE_ID_KEY,
+                    idValue = idValueFor(DEFAULT_CACHE_RESPONSE_ID_KEY, responseBody)
+                )
+            }
         }
 
         return stubCache

core/src/test/kotlin/io/specmatic/stub/stateful/StatefulHttpStubTest.kt

@@ -518,7 +518,7 @@ class StatefulHttpStubSeedDataFromExamplesTest {
         assertThat(response.body).isInstanceOf(JSONArrayValue::class.java)
 
         val responseBody = (response.body as JSONArrayValue)
-        assertThat(responseBody.list.size).isEqualTo(4)
+        assertThat(responseBody.list.size).isEqualTo(5)
 
         val responseObjectFromResponseBody = (response.body as JSONArrayValue)
             .list.filterIsInstance<JSONObjectValue>().first { it.getStringValue("id") == "300" }
@@ -530,7 +530,6 @@ class StatefulHttpStubSeedDataFromExamplesTest {
         assertThat(responseObjectFromResponseBody.getStringValue("inStock")).isEqualTo("true")
     }
 
-
     @Test
     fun `should get the product from seed data loaded from examples`() {
         val response = httpStub.client.execute(
@@ -550,6 +549,25 @@ class StatefulHttpStubSeedDataFromExamplesTest {
         assertThat(responseBody.getStringValue("inStock")).isEqualTo("true")
     }
 
+    @Test
+    fun `should get the Samsung Ultra product from seed data loaded from examples which is a merge of request and response bodies`() {
+        val response = httpStub.client.execute(
+            HttpRequest(
+                method = "GET",
+                path = "/products/700"
+            )
+        )
+
+        assertThat(response.status).isEqualTo(200)
+        val responseBody = response.body as JSONObjectValue
+
+        assertThat(responseBody.getStringValue("id")).isEqualTo("700")
+        assertThat(responseBody.getStringValue("name")).isEqualTo("Samsung Ultra")
+        assertThat(responseBody.getStringValue("description")).isEqualTo("Samsung Ultra Description")
+        assertThat(responseBody.getStringValue("price")).isEqualTo("1000")
+        assertThat(responseBody.getStringValue("inStock")).isEqualTo("false")
+    }
+
     @Test
     fun `should not load the xiaomi product from the seed data as it has the same id (300) as that of iphone example`() {
         val response = httpStub.client.execute(
@@ -563,7 +581,7 @@ class StatefulHttpStubSeedDataFromExamplesTest {
         assertThat(response.body).isInstanceOf(JSONArrayValue::class.java)
 
         val responseBody = (response.body as JSONArrayValue)
-        assertThat(responseBody.list.size).isEqualTo(4)
+        assertThat(responseBody.list.size).isEqualTo(5)
 
         val responseObjectsFromResponseBody = (response.body as JSONArrayValue)
             .list.filterIsInstance<JSONObjectValue>().filter { it.getStringValue("id") == "300" }
@@ -588,7 +606,7 @@ class StatefulHttpStubSeedDataFromExamplesTest {
         assertThat(response.body).isInstanceOf(JSONArrayValue::class.java)
 
         val responseBody = (response.body as JSONArrayValue)
-        assertThat(responseBody.list.size).isEqualTo(4)
+        assertThat(responseBody.list.size).isEqualTo(5)
 
         val productsWithIds500And600 = (response.body as JSONArrayValue)
             .list.filterIsInstance<JSONObjectValue>().filter {

core/src/test/resources/openapi/spec_with_strictly_restful_apis/spec_with_strictly_restful_apis_examples/post_with_missing_values_from_response.json

@@ -0,0 +1,25 @@
+{
+  "http-request": {
+    "path": "/products",
+    "method": "POST",
+    "headers": {
+      "Content-Type": "application/json"
+    },
+    "body": {
+      "name": "Samsung Ultra",
+      "price": 1000
+    }
+  },
+  "http-response": {
+    "status": 201,
+    "body": {
+      "id": 700,
+      "description": "Samsung Ultra Description",
+      "inStock": false
+    },
+    "status-text": "Created",
+    "headers": {
+      "Content-Type": "application/json"
+    }
+  }
+}