mybatis#101: Add test with an association constructor argument

Author: epochcoder

src/test/java/org/apache/ibatis/submitted/collection_injection/ImmutableCollectionConstructorTest.java

@@ -55,21 +55,33 @@ void shouldSelectAllHouses() {
 
       final StringBuilder builder = new StringBuilder();
       for (House house : houses) {
-        builder.append(house.getName()).append("\n");
+        builder.append("\n").append(house.getName());
         for (Room room : house.getRooms()) {
-          builder.append("\t").append(room.getName()).append("\n");
+          RoomDetail roomDetail = room.getRoomDetail();
+          String detailString = String.format(" (size=%d, height=%d, type=%s)", roomDetail.getRoomSize(),
+            roomDetail.getWallHeight(), roomDetail.getWallType());
+          builder.append("\n").append("\t").append(room.getName()).append(detailString);
           for (Furniture furniture : room.getFurniture()) {
-            builder.append("\t\t").append(furniture.getDescription()).append("\n");
+            builder.append("\n").append("\t\t").append(furniture.getDescription());
             for (Defect defect : furniture.getDefects()) {
-              builder.append("\t\t\t").append(defect.getDefect()).append("\n");
+              builder.append("\n").append("\t\t\t").append(defect.getDefect());
             }
           }
         }
       }
 
-      String expected = "MyBatis Headquarters\n" + "\tKitchen\n" + "\t\tCoffee machine\n" + "\t\t\tDoes not work\n"
-          + "\t\tFridge\n" + "\tDining room\n" + "\t\tTable\n" + "\tProgramming room\n" + "\t\tBig screen\n"
-          + "\t\tLaptop\n" + "\t\t\tCannot run intellij\n";
+      String expected =
+        "\nMyBatis Headquarters" +
+        "\n\tKitchen (size=25, height=20, type=Brick)" +
+        "\n\t\tCoffee machine" +
+        "\n\t\t\tDoes not work" +
+        "\n\t\tFridge" +
+        "\n\tDining room (size=100, height=10, type=Wood)" +
+        "\n\t\tTable" +
+        "\n\tProgramming room (size=200, height=15, type=Steel)" +
+        "\n\t\tBig screen" +
+        "\n\t\tLaptop" +
+        "\n\t\t\tCannot run intellij";
 
       assertThat(builder.toString()).isNotEmpty().isEqualTo(expected);
     }

src/test/java/org/apache/ibatis/submitted/collection_injection/Room.java

@@ -20,13 +20,13 @@
 public class Room {
   private final int id;
   private final String name;
-  private final int size;
+  private final RoomDetail roomDetail;
   private final List<Furniture> furniture;
 
-  public Room(int id, String name, int size, List<Furniture> furniture) {
+  public Room(int id, String name, RoomDetail roomDetail, List<Furniture> furniture) {
     this.id = id;
     this.name = name;
-    this.size = size;
+    this.roomDetail = roomDetail;
     this.furniture = furniture;
   }
 
@@ -38,8 +38,8 @@ public String getName() {
     return name;
   }
 
-  public int getSize() {
-    return size;
+  public RoomDetail getRoomDetail() {
+    return roomDetail;
   }
 
   public List<Furniture> getFurniture() {
@@ -48,6 +48,6 @@ public List<Furniture> getFurniture() {
 
   @Override
   public String toString() {
-    return "Room{" + "id=" + id + ", name='" + name + '\'' + ", size=" + size + ", furniture=" + furniture + '}';
+    return "Room{" + "id=" + id + ", name='" + name + '\'' + ", roomDetail=" + roomDetail + ", furniture=" + furniture + '}';
   }
 }

src/test/java/org/apache/ibatis/submitted/collection_injection/RoomDetail.java

@@ -0,0 +1,50 @@
+/*
+ *    Copyright 2009-2024 the original author or authors.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+package org.apache.ibatis.submitted.collection_injection;
+
+public class RoomDetail {
+
+  private final String wallType;
+  private final int wallHeight;
+  private final int roomSize;
+
+  public RoomDetail(final String wallType, final int wallHeight, final int roomSize) {
+    this.wallType = wallType;
+    this.wallHeight = wallHeight;
+    this.roomSize = roomSize;
+  }
+
+  public String getWallType() {
+    return wallType;
+  }
+
+  public int getWallHeight() {
+    return wallHeight;
+  }
+
+  public int getRoomSize() {
+    return roomSize;
+  }
+
+  @Override
+  public String toString() {
+    return "RoomDetail{" +
+      "wallType='" + wallType + '\'' +
+      ", wallHeight=" + wallHeight +
+      ", roomSize=" + roomSize +
+      '}';
+  }
+}

src/test/resources/org/apache/ibatis/submitted/collection_injection/CreateDB.sql

@@ -32,7 +32,9 @@ create table room (
     id int,
     name varchar(20),
     house_id int,
-    size_m2 int
+    size_m2 int,
+    wall_type varchar(10),
+    wall_height int
 );
 
 alter table room add constraint fk_room_house_id
@@ -58,9 +60,9 @@ alter table defect add constraint fk_defects_furniture_id
 
 insert into house (id, name) values ( 1, 'MyBatis Headquarters' );
 
-insert into room (id, name, house_id, size_m2) VALUES ( 1, 'Kitchen', 1, 25 );
-insert into room (id, name, house_id, size_m2) VALUES ( 2, 'Dining room', 1, 100 );
-insert into room (id, name, house_id, size_m2) VALUES ( 3, 'Programming room', 1, 200 );
+insert into room (id, name, house_id, size_m2, wall_type, wall_height) VALUES ( 1, 'Kitchen', 1, 25, 'Brick', 20 );
+insert into room (id, name, house_id, size_m2, wall_type, wall_height) VALUES ( 2, 'Dining room', 1, 100, 'Wood', 10 );
+insert into room (id, name, house_id, size_m2, wall_type, wall_height) VALUES ( 3, 'Programming room', 1, 200, 'Steel', 15 );
 
 insert into furniture (id, description, room_id) VALUES ( 1, 'Coffee machine', 1);
 insert into furniture (id, description, room_id) VALUES ( 2, 'Fridge', 1);

src/test/resources/org/apache/ibatis/submitted/collection_injection/HouseMapper.xml

@@ -34,11 +34,19 @@
         <constructor>
             <idArg column="id" javaType="_int"/>
             <arg column="name" javaType="String"/>
-            <arg column="size" javaType="_int"/>
+            <arg javaType="RoomDetail" resultMap="roomDetailMap"/>
             <arg javaType="List" resultMap="furnitureMap" columnPrefix="furniture_"/>
         </constructor>
     </resultMap>
 
+    <resultMap id="roomDetailMap" type="RoomDetail">
+        <constructor>
+            <arg column="wall_type" javaType="String"/>
+            <arg column="wall_height" javaType="_int"/>
+            <arg column="size_m2" javaType="_int"/>
+        </constructor>
+    </resultMap>
+
     <resultMap id="furnitureMap" type="Furniture">
         <constructor>
             <idArg column="id" javaType="_int"/>
@@ -59,7 +67,9 @@
 
           , r.id as room_id
           , r.name as room_name
-          , r.size_m2 as room_size
+          , r.size_m2 as room_size_m2
+          , r.wall_type as room_wall_type
+          , r.wall_height as room_wall_height
 
           , f.id as room_furniture_id
           , f.description as room_furniture_description

src/test/resources/org/apache/ibatis/submitted/collection_injection/mybatis-config.xml

@@ -28,6 +28,7 @@
     <typeAliases>
         <typeAlias type="org.apache.ibatis.submitted.collection_injection.House" alias="House"/>
         <typeAlias type="org.apache.ibatis.submitted.collection_injection.Room" alias="Room"/>
+        <typeAlias type="org.apache.ibatis.submitted.collection_injection.RoomDetail" alias="RoomDetail"/>
         <typeAlias type="org.apache.ibatis.submitted.collection_injection.Furniture" alias="Furniture"/>
         <typeAlias type="org.apache.ibatis.submitted.collection_injection.Defect" alias="Defect"/>
     </typeAliases>