使用spring-data-jpa案例

Chapter3-2-2/src/test/java/com/didispace/ApplicationTests.java

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+package com.didispace;
+
+import com.didispace.domain.User;
+import com.didispace.domain.UserRepository;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(Application.class)
+public class ApplicationTests {
+
+	@Autowired
+	private UserRepository userRepository;
+
+	@Test
+	public void test() throws Exception {
+
+		// 创建10条记录
+		userRepository.save(new User("AAA", 10));
+		userRepository.save(new User("BBB", 20));
+		userRepository.save(new User("CCC", 30));
+		userRepository.save(new User("DDD", 40));
+		userRepository.save(new User("EEE", 50));
+		userRepository.save(new User("FFF", 60));
+		userRepository.save(new User("GGG", 70));
+		userRepository.save(new User("HHH", 80));
+		userRepository.save(new User("III", 90));
+		userRepository.save(new User("JJJ", 100));
+
+		// 测试findAll, 查询所有记录
+		Assert.assertEquals(10, userRepository.findAll().size());
+
+		// 测试findByName, 查询姓名为FFF的User
+		Assert.assertEquals(60, userRepository.findByName("FFF").getAge().longValue());
+
+		// 测试findUser, 查询姓名为FFF的User
+		Assert.assertEquals(60, userRepository.findUser("FFF").getAge().longValue());
+
+		// 测试findByNameAndAge, 查询姓名为FFF并且年龄为60的User
+		Assert.assertEquals("FFF", userRepository.findByNameAndAge("FFF", 60).getName());
+
+		// 测试删除姓名为AAA的User
+		userRepository.delete(userRepository.findByName("AAA"));
+
+		// 测试findAll, 查询所有记录, 验证上面的删除是否成功
+		Assert.assertEquals(9, userRepository.findAll().size());
+
+
+
+
+	}
+
+
+}