removed if statement cancelling body handling, added post route test

Author: davidhiendl

src/main/kotlin/com/papsign/ktor/openapigen/route/OpenAPIRoute.kt

@@ -63,7 +63,6 @@ abstract class OpenAPIRoute<T : OpenAPIRoute<T>>(val ktorRoute: Route, val provi
                             pass(this, responder, PHandler.handle(params), Unit as B)
                         }
                     } else {
-                        if(paramsClass == Unit::class)
                         getContentTypesMap(bodyClass).forEach { (contentType, parsers) ->
                             contentType(contentType) {
                                 handle {

src/test/kotlin/com/papsign/ktor/openapigen/routing/RoutingTest.kt

@@ -0,0 +1,56 @@
+package com.papsign.ktor.openapigen.routing
+
+import com.papsign.ktor.openapigen.annotations.parameters.HeaderParam
+import com.papsign.ktor.openapigen.route.apiRouting
+import com.papsign.ktor.openapigen.route.path.normal.post
+import com.papsign.ktor.openapigen.route.response.respond
+import com.papsign.ktor.openapigen.route.route
+import installJackson
+import installOpenAPI
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpMethod
+import io.ktor.routing.Routing
+import io.ktor.server.testing.contentType
+import io.ktor.server.testing.handleRequest
+import io.ktor.server.testing.setBody
+import io.ktor.server.testing.withTestApplication
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import kotlin.test.assertTrue
+
+class RoutingTest {
+
+    data class TestHeaderParams(@HeaderParam("test param") val `Test-Header`: Long)
+    data class TestBodyParams(val xyz: Long)
+    data class TestResponse(val msg: String)
+
+    @Test
+    fun testPostWithHeaderAndBodyParams() {
+        val route = "/test"
+        withTestApplication({
+            installOpenAPI()
+            installJackson()
+            apiRouting {
+                (this.ktorRoute as Routing).trace { println(it.buildText()) }
+                route(route) {
+                    post<TestHeaderParams, TestResponse, TestBodyParams> { params, body ->
+                        respond(TestResponse("$params -> $body"))
+                    }
+                }
+            }
+        }) {
+            handleRequest(HttpMethod.Post, route) {
+                addHeader(HttpHeaders.ContentType, "application/json")
+                addHeader(HttpHeaders.Accept, "application/json")
+                addHeader("Test-Header", "123")
+                setBody("{\"xyz\":456}")
+            }.apply {
+                assertTrue { response.contentType().match("application/json") }
+                assertEquals(
+                    "{\"msg\":\"${TestHeaderParams(123)} -> ${TestBodyParams(456)}\"}",
+                    response.content
+                )
+            }
+        }
+    }
+}