DATACMNS-475 - Added Jackson 2 module to (de)serialize new geo types.

Newly introduced GeoModule contains mixins for Distance, Point, Circle, Box and Polygon.

src/test/java/org/springframework/data/geo/GeoModuleIntegrationTests.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2014 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
+ *
+ *      http://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.springframework.data.geo;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * Integration tests for {@link GeoModule}.
+ * 
+ * @author Oliver Gierke
+ */
+public class GeoModuleIntegrationTests {
+
+	ObjectMapper mapper;
+
+	@Before
+	public void setUp() {
+
+		this.mapper = new ObjectMapper();
+		this.mapper.registerModule(new GeoModule());
+	}
+
+	/**
+	 * @see DATACMNS-475
+	 */
+	@Test
+	public void deserializesDistance() throws Exception {
+
+		String json = "{\"value\":10.0,\"metric\":\"KILOMETERS\"}";
+		Distance reference = new Distance(10.0, Metrics.KILOMETERS);
+
+		assertThat(mapper.readValue(json, Distance.class), is(reference));
+		assertThat(mapper.writeValueAsString(reference), is(json));
+	}
+
+	/**
+	 * @see DATACMNS-475
+	 */
+	@Test
+	public void deserializesPoint() throws Exception {
+
+		String json = "{\"x\":10.0,\"y\":20.0}";
+		Point reference = new Point(10.0, 20.0);
+
+		assertThat(mapper.readValue(json, Point.class), is(reference));
+		assertThat(mapper.writeValueAsString(reference), is(json));
+	}
+
+	/**
+	 * @see DATACMNS-475
+	 */
+	@Test
+	public void deserializesCircle() throws Exception {
+
+		String json = "{\"center\":{\"x\":10.0,\"y\":20.0},\"radius\":{\"value\":10.0,\"metric\":\"KILOMETERS\"}}";
+		Circle reference = new Circle(new Point(10.0, 20.0), new Distance(10, Metrics.KILOMETERS));
+
+		assertThat(mapper.readValue(json, Circle.class), is(reference));
+		assertThat(mapper.writeValueAsString(reference), is(json));
+	}
+
+	/**
+	 * @see DATACMNS-475
+	 */
+	@Test
+	public void deserializesBox() throws Exception {
+
+		String json = "{\"first\":{\"x\":1.0,\"y\":2.0},\"second\":{\"x\":2.0,\"y\":3.0}}";
+		Box reference = new Box(new Point(1, 2), new Point(2, 3));
+
+		assertThat(mapper.readValue(json, Box.class), is(reference));
+		assertThat(mapper.writeValueAsString(reference), is(json));
+	}
+
+	/**
+	 * @see DATACMNS-475
+	 */
+	@Test
+	public void deserializesPolygon() throws Exception {
+
+		String json = "{\"points\":[{\"x\":1.0,\"y\":2.0},{\"x\":2.0,\"y\":3.0},{\"x\":3.0,\"y\":4.0}]}";
+		Polygon reference = new Polygon(new Point(1, 2), new Point(2, 3), new Point(3, 4));
+
+		assertThat(mapper.readValue(json, Polygon.class), is(reference));
+		assertThat(mapper.writeValueAsString(reference), is(json));
+	}
+}