Add tests for auto-detecting mybatis-typehandlers-jsr310

fix mybatisgh-879

pom.xml

@@ -156,6 +156,12 @@
       <scope>compile</scope>
       <optional>true</optional>
     </dependency>
+    <dependency>
+      <groupId>org.mybatis</groupId>
+      <artifactId>mybatis-typehandlers-jsr310</artifactId>
+      <version>1.0.2</version>
+      <optional>true</optional>
+    </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>

src/test/java/org/apache/ibatis/type/usesjava8/Jsr310TypeHandlerRegistryTest.java

@@ -0,0 +1,68 @@
+/**
+ *    Copyright 2009-2017 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.apache.ibatis.type.usesjava8;
+
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.type.*;
+import org.hamcrest.core.IsInstanceOf;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+import static org.hamcrest.core.IsInstanceOf.*;
+
+/**
+ * Tests for auto-detect type handlers of mybatis-typehandlers-jsr310.
+ *
+ * @author Kazuki Shimizu
+ */
+public class Jsr310TypeHandlerRegistryTest {
+
+  private TypeHandlerRegistry typeHandlerRegistry;
+
+  @Before
+  public void setup() {
+    typeHandlerRegistry = new TypeHandlerRegistry();
+  }
+
+  @Test
+  public void testFor_v1_0_0() throws ClassNotFoundException {
+    assertThat(getTypeHandler("java.time.Instant"), instanceOf(InstantTypeHandler.class));
+    assertThat(getTypeHandler("java.time.LocalDateTime"), instanceOf(LocalDateTimeTypeHandler.class));
+    assertThat(getTypeHandler("java.time.LocalDate"), instanceOf(LocalDateTypeHandler.class));
+    assertThat(getTypeHandler("java.time.LocalTime"), instanceOf(LocalTimeTypeHandler.class));
+    assertThat(getTypeHandler("java.time.OffsetDateTime"), instanceOf(OffsetDateTimeTypeHandler.class));
+    assertThat(getTypeHandler("java.time.OffsetTime"), instanceOf(OffsetTimeTypeHandler.class));
+    assertThat(getTypeHandler("java.time.ZonedDateTime"), instanceOf(ZonedDateTimeTypeHandler.class));
+  }
+
+  @Test
+  public void testFor_v1_0_1() throws ClassNotFoundException {
+    assertThat(getTypeHandler("java.time.Month"), instanceOf(MonthTypeHandler.class));
+    assertThat(getTypeHandler("java.time.Year"), instanceOf(YearTypeHandler.class));
+  }
+
+  @Test
+  public void testFor_v1_0_2() throws ClassNotFoundException {
+    assertThat(getTypeHandler("java.time.YearMonth"), instanceOf(YearMonthTypeHandler.class));
+    assertThat(getTypeHandler("java.time.chrono.JapaneseDate"), instanceOf(JapaneseDateTypeHandler.class));
+  }
+
+  private TypeHandler<?> getTypeHandler(String fqcn) throws ClassNotFoundException {
+    return typeHandlerRegistry.getTypeHandler(Resources.classForName(fqcn));
+  }
+
+}