Mapper and SpelMapper

org.springframework.context/src/test/java/org/springframework/mapping/support/SpelMapperTests.java

@@ -0,0 +1,121 @@
+package org.springframework.mapping.support;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Test;
+import org.springframework.mapping.MappingException;
+import org.springframework.mapping.support.SpelMapper;
+
+public class SpelMapperTests {
+
+	private SpelMapper mapper = new SpelMapper();
+	
+	@Test
+	public void mapAutomatic() throws MappingException {
+		Map<String, Object> source = new HashMap<String, Object>();
+		source.put("name", "Keith");
+		source.put("age", 31);
+		
+		Person target = new Person();
+		
+		mapper.map(source, target);
+		
+		assertEquals("Keith", target.name);
+		assertEquals(31, target.age);
+	}
+	
+	@Test
+	public void mapExplicit() throws MappingException {
+		mapper.setAutoMappingEnabled(false);
+		mapper.addMapping("name", "name");
+		
+		Map<String, Object> source = new HashMap<String, Object>();
+		source.put("name", "Keith");
+		source.put("age", 31);
+		
+		Person target = new Person();
+		
+		mapper.map(source, target);
+		
+		assertEquals("Keith", target.name);
+		assertEquals(0, target.age);
+	}
+	
+	@Test
+	public void mapAutomaticWithExplictOverrides() throws MappingException {
+		mapper.addMapping("test", "age");
+		
+		Map<String, Object> source = new HashMap<String, Object>();
+		source.put("name", "Keith");
+		source.put("test", "3");
+		source.put("favoriteSport", "FOOTBALL");
+		
+		Person target = new Person();
+		
+		mapper.map(source, target);
+		
+		assertEquals("Keith", target.name);
+		assertEquals(3, target.age);
+		assertEquals(Sport.FOOTBALL, target.favoriteSport);
+	}
+	
+	@Test
+	public void mapSameSourceFieldToMultipleTargets() throws MappingException {
+		mapper.addMapping("test", "name");
+		mapper.addMapping("test", "favoriteSport");
+		
+		Map<String, Object> source = new HashMap<String, Object>();
+		source.put("test", "FOOTBALL");
+		
+		Person target = new Person();
+		
+		mapper.map(source, target);
+		
+		assertEquals("FOOTBALL", target.name);
+		assertEquals(0, target.age);
+		assertEquals(Sport.FOOTBALL, target.favoriteSport);
+	}
+
+
+	
+	public static class Person {
+		
+		private String name;
+		
+		private int age;
+		
+		private Sport favoriteSport;
+		
+		public String getName() {
+			return name;
+		}
+		
+		public void setName(String name) {
+			this.name = name;
+		}
+		
+		public int getAge() {
+			return age;
+		}
+		
+		public void setAge(int age) {
+			this.age = age;
+		}
+
+		public Sport getFavoriteSport() {
+			return favoriteSport;
+		}
+
+		public void setFavoriteSport(Sport favoriteSport) {
+			this.favoriteSport = favoriteSport;
+		}
+		
+	}
+
+	public enum Sport {
+		FOOTBALL, BASKETBALL
+	}
+}