ignore primitive data type (#247)

Author: hauner

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/converter/ContentTypeInterfaceCollector.kt

@@ -6,6 +6,7 @@
 package io.openapiprocessor.core.converter
 
 import io.openapiprocessor.core.model.datatypes.DataType
+import io.openapiprocessor.core.model.datatypes.SimpleDataType
 import io.openapiprocessor.core.parser.ContentType
 import io.openapiprocessor.core.parser.HttpMethod
 import io.openapiprocessor.core.parser.HttpStatus
@@ -29,13 +30,13 @@ class ContentTypeInterfaceCollector(
             }
 
             var dataType: DataType? = null
-            statusResponse.forEach { (status, response) ->
+            statusResponse.forEach { (status, _) ->
                 val match = statusResultResponses[status]?.find { r -> r.contentType == contentType }
                 if (match != null) {
                     if (dataType == null) {
                         dataType = match.responseType
                     } else {
-                        if (match.responseType !== dataType) {
+                        if (match.responseType !== dataType && match.responseType !is SimpleDataType) {
                             contentTypeInterfaces[contentType] = ContentTypeInterface(path, method)
                             return@forEach
                         }

openapi-processor-core/src/test/kotlin/io/openapiprocessor/core/converter/ContentTypeInterfaceCollectorSpec.kt

@@ -124,4 +124,21 @@ class ContentTypeInterfaceCollectorSpec: StringSpec({
         cti["application/json"].shouldNotBeNull()
     }
 
+    "returns interface result with different response data types, with primitve" {
+        val collector = ContentTypeInterfaceCollector("/foo", HttpMethod.GET)
+
+        val ctr = mutableMapOf<ContentType, Map<HttpStatus, Response>>()
+        ctr["application/json"] = mapOf(
+            "200" to mockk<Response>(),
+            "201" to mockk<Response>(),
+        )
+
+        val srr = mutableMapOf<HttpStatus, List<ModelResponse>>()
+        srr["200"] = listOf(ModelResponse("application/json", foo))
+        srr["201"] = listOf(ModelResponse("application/json", StringDataType()))
+
+        val cti = collector.collectContentTypeInterfaces(ctr, srr)
+
+        cti.shouldBeEmpty()
+    }
 })