初始化，未完成配置

Chapter3-2-4/src/test/java/com/didispace/ApplicationTests.java

@@ -0,0 +1,51 @@
+package com.didispace;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(Application.class)
+public class ApplicationTests {
+
+	@Autowired
+	@Qualifier("primaryJdbcTemplate")
+	protected JdbcTemplate jdbcTemplate1;
+
+	@Autowired
+	@Qualifier("secondaryJdbcTemplate")
+	protected JdbcTemplate jdbcTemplate2;
+
+	@Before
+	public void setUp() {
+		jdbcTemplate1.update("DELETE  FROM  USER ");
+		jdbcTemplate2.update("DELETE  FROM  USER ");
+	}
+
+	@Test
+	public void test() throws Exception {
+
+		// 往第一个数据源中插入两条数据
+		jdbcTemplate1.update("insert into user(id,name,age) values(?, ?, ?)", 1, "aaa", 20);
+		jdbcTemplate1.update("insert into user(id,name,age) values(?, ?, ?)", 2, "bbb", 30);
+
+		// 往第二个数据源中插入一条数据，若插入的是第一个数据源，则会主键冲突报错
+		jdbcTemplate2.update("insert into user(id,name,age) values(?, ?, ?)", 1, "aaa", 20);
+
+		// 查一下第一个数据源中是否有两条数据，验证插入是否成功
+		Assert.assertEquals("2", jdbcTemplate1.queryForObject("select count(1) from user", String.class));
+
+		// 查一下第一个数据源中是否有两条数据，验证插入是否成功
+		Assert.assertEquals("1", jdbcTemplate2.queryForObject("select count(1) from user", String.class));
+
+	}
+
+
+}