DATAMONGO-2630 - Add support for suspend repository query methods returning List<T>.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/query/ReactiveMongoQueryMethod.java

@@ -94,8 +94,8 @@ public class ReactiveMongoQueryMethod extends MongoQueryMethod {
 		}
 
 		this.method = method;
-		this.isCollectionQuery = Lazy.of(() -> !(isPageQuery() || isSliceQuery())
-				&& ReactiveWrappers.isMultiValueType(metadata.getReturnType(method).getType()));
+		this.isCollectionQuery = Lazy.of(() -> (!(isPageQuery() || isSliceQuery())
+				&& ReactiveWrappers.isMultiValueType(metadata.getReturnType(method).getType()) || super.isCollectionQuery()));
 	}
 
 	/*

spring-data-mongodb/src/test/kotlin/org/springframework/data/mongodb/repository/query/ReactiveMongoQueryMethodCoroutineUnitTests.kt

@@ -39,6 +39,8 @@ class ReactiveMongoQueryMethodCoroutineUnitTests {
 		suspend fun findSuspendAllByName(): Flow<Person>
 
 		fun findAllByName(): Flow<Person>
+
+		suspend fun findSuspendByName(): List<Person>
 	}
 
 	@Test // DATAMONGO-2562
@@ -58,4 +60,13 @@ class ReactiveMongoQueryMethodCoroutineUnitTests {
 
 		assertThat(queryMethod.isCollectionQuery).isTrue()
 	}
+
+	@Test // DATAMONGO-2630
+	internal fun `should consider suspended methods returning List as collection queries`() {
+
+		val method = PersonRepository::class.java.getMethod("findSuspendByName", Continuation::class.java)
+		val queryMethod = ReactiveMongoQueryMethod(method, DefaultRepositoryMetadata(PersonRepository::class.java), projectionFactory, MongoMappingContext())
+
+		assertThat(queryMethod.isCollectionQuery).isTrue()
+	}
 }