Make nullable

Author: oryan-block

src/main/kotlin/graphql/kickstart/tools/resolver/MethodFieldResolver.kt

@@ -227,7 +227,7 @@ internal class LightMethodFieldResolverDataFetcher(
     private val options: SchemaParserOptions
 ) : LightDataFetcher<Any?> {
 
-    override fun get(fieldDefinition: GraphQLFieldDefinition, sourceObject: Any?, environmentSupplier: Supplier<DataFetchingEnvironment>): Any? {
+    override fun get(fieldDefinition: GraphQLFieldDefinition?, sourceObject: Any?, environmentSupplier: Supplier<DataFetchingEnvironment>): Any? {
         val source = sourceResolver.resolve(null, sourceObject)
 
         return invoke(method, source, emptyArray())?.transformWithGenericWrapper(options.genericWrappers, environmentSupplier)

src/test/kotlin/graphql/kickstart/tools/MethodFieldResolverDataFetcherTest.kt

@@ -13,8 +13,6 @@ import graphql.language.TypeName
 import graphql.schema.DataFetcher
 import graphql.schema.DataFetchingEnvironment
 import graphql.schema.DataFetchingEnvironmentImpl
-import graphql.schema.GraphQLFieldDefinition
-import graphql.schema.GraphQLObjectType
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.Job
@@ -301,12 +299,6 @@ class MethodFieldResolverDataFetcherTest {
     private fun createEnvironment(source: Any = Object(), arguments: Map<String, Any> = emptyMap(), context: GraphQLContext? = null): DataFetchingEnvironment {
         return DataFetchingEnvironmentImpl.newDataFetchingEnvironment(buildExecutionContext())
             .source(source)
-            .fieldDefinition(
-                GraphQLFieldDefinition.newFieldDefinition()
-                    .name("ignored")
-                    .type(GraphQLObjectType.newObject().name("ignored").build())
-                    .build()
-            )
             .arguments(arguments)
             .graphQLContext(context)
             .build()