Test case for #1472

Author: harawata

src/test/java/org/apache/ibatis/submitted/stringlist/Mapper.java

@@ -16,9 +16,12 @@
 package org.apache.ibatis.submitted.stringlist;
 
 import java.util.List;
+import java.util.Map;
 
 public interface Mapper {
 
   List<User> getUsersAndGroups(Integer id);
 
+  List<Map<String, Object>> getUsersAndGroupsMap(Integer id);
+
 }

src/test/java/org/apache/ibatis/submitted/stringlist/Mapper.xml

@@ -23,7 +23,7 @@
 <mapper namespace="org.apache.ibatis.submitted.stringlist.Mapper">
 
 	<select id="getUsersAndGroups" resultMap="results">
-		select * from users
+		select * from users where id = #{id}
 	</select>
 
 	<resultMap type="org.apache.ibatis.submitted.stringlist.User" id="results">
@@ -36,4 +36,18 @@
 		</collection>
 	</resultMap>
 
+	<select id="getUsersAndGroupsMap" resultMap="mapResults">
+		select * from users where id = #{id}
+	</select>
+
+	<resultMap type="map" id="mapResults">
+		<id column="id" property="id" />
+		<collection property="groups" ofType="string" javaType="list">
+			<result column="group_id" />
+		</collection>
+		<collection property="roles" ofType="string" javaType="list">
+			<result column="rol_id"/>
+		</collection>
+  </resultMap>
+
 </mapper>

src/test/java/org/apache/ibatis/submitted/stringlist/StringListTest.java

@@ -19,6 +19,7 @@
 
 import java.io.Reader;
 import java.util.List;
+import java.util.Map;
 
 import org.apache.ibatis.BaseDataTest;
 import org.apache.ibatis.exceptions.PersistenceException;
@@ -47,7 +48,7 @@ static void setUp() throws Exception {
   }
 
   @Test
-  void shouldGetAUser() {
+  void shouldMapListOfStrings() {
     try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
       Mapper mapper = sqlSession.getMapper(Mapper.class);
       List<User> users = mapper.getUsersAndGroups(1);
@@ -57,6 +58,17 @@ void shouldGetAUser() {
     }
   }
 
+  @Test
+  void shouldMapListOfStringsToMap() {
+    try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
+      Mapper mapper = sqlSession.getMapper(Mapper.class);
+      List<Map<String, Object>> results = mapper.getUsersAndGroupsMap(1);
+      Assertions.assertEquals(1, results.size());
+      Assertions.assertEquals(2, ((List<?>)results.get(0).get("groups")).size());
+      Assertions.assertEquals(2, ((List<?>)results.get(0).get("roles")).size());
+    }
+  }
+
   @Test
   void shouldFailFastIfCollectionTypeIsAmbiguous() throws Exception {
     try (Reader reader = Resources