SPR-6032 & SPR-6033: Auto grow nested path enhancements to BeanWrapper

org.springframework.beans/src/test/java/org/springframework/beans/BeanWrapperAutoGrowingTests.java

@@ -0,0 +1,205 @@
+package org.springframework.beans;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.List;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class BeanWrapperAutoGrowingTests {
+
+	Bean bean = new Bean();
+
+	BeanWrapperImpl wrapper = new BeanWrapperImpl(bean);
+
+	@Before
+	public void setUp() {
+		wrapper.setAutoGrowNestedPaths(true);
+	}
+
+	@Test
+	public void getPropertyValueNullValueInNestedPath() {
+		assertNull(wrapper.getPropertyValue("nested.prop"));
+	}
+
+	@Test
+	public void setPropertyValueNullValueInNestedPath() {
+		wrapper.setPropertyValue("nested.prop", "test");
+		assertEquals("test", bean.getNested().getProp());
+	}
+
+	@Test(expected=NullValueInNestedPathException.class)
+	public void getPropertyValueNullValueInNestedPathNoDefaultConstructor() {
+		wrapper.getPropertyValue("nestedNoConstructor.prop");
+	}
+
+	@Test
+	public void getPropertyValueAutoGrowArray() {
+		assertNotNull(wrapper.getPropertyValue("array[0]"));
+		assertEquals(1, bean.getArray().length);
+		assertTrue(bean.getArray()[0] instanceof Bean);
+	}
+
+	@Test
+	public void setPropertyValueAutoGrowArray() {
+		wrapper.setPropertyValue("array[0].prop", "test");
+		assertEquals("test", bean.getArray()[0].getProp());
+	}
+
+	@Test
+	public void getPropertyValueAutoGrowArrayBySeveralElements() {
+		assertNotNull(wrapper.getPropertyValue("array[4]"));
+		assertEquals(5, bean.getArray().length);		
+		assertTrue(bean.getArray()[0] instanceof Bean);		
+		assertTrue(bean.getArray()[1] instanceof Bean);		
+		assertTrue(bean.getArray()[2] instanceof Bean);		
+		assertTrue(bean.getArray()[3] instanceof Bean);		
+		assertTrue(bean.getArray()[4] instanceof Bean);		
+		assertNotNull(wrapper.getPropertyValue("array[0]"));
+		assertNotNull(wrapper.getPropertyValue("array[1]"));
+		assertNotNull(wrapper.getPropertyValue("array[2]"));
+		assertNotNull(wrapper.getPropertyValue("array[3]"));
+	}
+
+	@Test
+	public void getPropertyValueAutoGrowMultiDimensionalArray() {
+		assertNotNull(wrapper.getPropertyValue("multiArray[0][0]"));
+		assertEquals(1, bean.getMultiArray()[0].length);
+		assertTrue(bean.getMultiArray()[0][0] instanceof Bean);
+	}
+
+	@Test
+	public void getPropertyValueAutoGrowList() {
+		assertNotNull(wrapper.getPropertyValue("list[0]"));
+		assertEquals(1, bean.getList().size());
+		assertTrue(bean.getList().get(0) instanceof Bean);		
+	}
+
+	@Test
+	public void setPropertyValueAutoGrowList() {
+		wrapper.setPropertyValue("list[0].prop", "test");
+		assertEquals("test", bean.getList().get(0).getProp());
+	}
+
+	@Test
+	public void getPropertyValueAutoGrowListBySeveralElements() {
+		assertNotNull(wrapper.getPropertyValue("list[4]"));
+		assertEquals(5, bean.getList().size());
+		assertTrue(bean.getList().get(0) instanceof Bean);		
+		assertTrue(bean.getList().get(1) instanceof Bean);		
+		assertTrue(bean.getList().get(2) instanceof Bean);		
+		assertTrue(bean.getList().get(3) instanceof Bean);		
+		assertTrue(bean.getList().get(4) instanceof Bean);		
+		assertNotNull(wrapper.getPropertyValue("list[0]"));
+		assertNotNull(wrapper.getPropertyValue("list[1]"));
+		assertNotNull(wrapper.getPropertyValue("list[2]"));
+		assertNotNull(wrapper.getPropertyValue("list[3]"));
+	}
+
+	@Test
+	public void getPropertyValueAutoGrowMultiDimensionalList() {
+		assertNotNull(wrapper.getPropertyValue("multiList[0][0]"));
+		assertEquals(1, bean.getMultiList().get(0).size());
+		assertTrue(bean.getMultiList().get(0).get(0) instanceof Bean);
+	}
+
+	@Test(expected=InvalidPropertyException.class)
+	public void getPropertyValueAutoGrowListNotParameterized() {
+		wrapper.getPropertyValue("listNotParameterized[0]");
+	}
+
+	public static class Bean {
+
+		private String prop;
+
+		private Bean nested;
+
+		private NestedNoDefaultConstructor nestedNoConstructor;
+
+		private Bean[] array;
+
+		private Bean[][] multiArray;
+		
+		private List<Bean> list;
+		
+		private List<List<Bean>> multiList;
+
+		private List listNotParameterized;
+
+		public String getProp() {
+			return prop;
+		}
+
+		public void setProp(String prop) {
+			this.prop = prop;
+		}
+
+		public Bean getNested() {
+			return nested;
+		}
+
+		public void setNested(Bean nested) {
+			this.nested = nested;
+		}
+
+		public Bean[] getArray() {
+			return array;
+		}
+
+		public void setArray(Bean[] array) {
+			this.array = array;
+		}
+
+		public Bean[][] getMultiArray() {
+			return multiArray;
+		}
+
+		public void setMultiArray(Bean[][] multiArray) {
+			this.multiArray = multiArray;
+		}
+
+		public List<Bean> getList() {
+			return list;
+		}
+
+		public void setList(List<Bean> list) {
+			this.list = list;
+		}
+		
+		public List<List<Bean>> getMultiList() {
+			return multiList;
+		}
+
+		public void setMultiList(List<List<Bean>> multiList) {
+			this.multiList = multiList;
+		}
+
+		public NestedNoDefaultConstructor getNestedNoConstructor() {
+			return nestedNoConstructor;
+		}
+
+		public void setNestedNoConstructor(
+				NestedNoDefaultConstructor nestedNoConstructor) {
+			this.nestedNoConstructor = nestedNoConstructor;
+		}
+
+		public List getListNotParameterized() {
+			return listNotParameterized;
+		}
+
+		public void setListNotParameterized(List listNotParameterized) {
+			this.listNotParameterized = listNotParameterized;
+		}
+
+	}
+
+	public static class NestedNoDefaultConstructor {
+		private NestedNoDefaultConstructor() {
+
+		}
+	}
+}