userPage = repo.findByNameLike("%李%", pageable);
- for (ExampleUser exampleUser : userPage) {
- System.out.println(exampleUser.getName());
- }
- }
-}
\ No newline at end of file
diff --git a/starter-data/starter-data-jpa/src/test/java/com/zja/dao/example/ExampleUserRepoTests.java b/starter-data/starter-data-jpa/src/test/java/com/zja/dao/example/ExampleUserRepoTests.java
new file mode 100644
index 0000000..fe6cfcc
--- /dev/null
+++ b/starter-data/starter-data-jpa/src/test/java/com/zja/dao/example/ExampleUserRepoTests.java
@@ -0,0 +1,234 @@
+package com.zja.dao.example;
+
+import com.zja.entitys.example.ExampleUser;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.test.annotation.Commit;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * @DataJpaTest 每次运行测试时，都会使用新的、干净的数据库，并且在测试完成后会自动回滚更改。
+ *
+ * 使用了@DataJpaTest注解，可能导致了数据不准确的问题:
+ * 由于@DataJpaTest使用嵌入式数据库，默认情况下不会将数据写入实际的数据库，而是将其存储在内存中。这可能导致在测试中更新数据后，再次查询时获取的数据仍然是之前的值，而不是预期的更新后的值。
+ *
+ * @author: zhengja
+ * @since: 2024/04/22 10:25
+ */
+// @SpringBootTest
+@DataJpaTest // 默认采用内存库：h2
+// @AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE) // 采用业务库：mysql等
+public class ExampleUserRepoTests {
+
+ @Autowired
+ private ExampleUserRepo exampleUserRepo;
+
+ @Test
+ public void testFindByLoginName() {
+ ExampleUser user = new ExampleUser();
+ user.setLoginName("john123");
+ user.setName("John Doe");
+ exampleUserRepo.save(user);
+
+ Optional result = exampleUserRepo.findByLoginName("john123");
+ Assertions.assertTrue(result.isPresent());
+ Assertions.assertEquals("John Doe", result.get().getName());
+ }
+
+ @Test
+ public void testFindNameByLoginName() {
+ ExampleUser user = new ExampleUser();
+ user.setLoginName("jane456");
+ user.setName("Jane Smith");
+ exampleUserRepo.save(user);
+
+ Optional result = exampleUserRepo.findNameByLoginName("jane456");
+ Assertions.assertTrue(result.isPresent());
+ Assertions.assertEquals("Jane Smith", result.get());
+ }
+
+ @Test
+ public void testFindByLoginNameIn() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("user1");
+ user1.setName("User 1");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("user2");
+ user2.setName("User 2");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ List result = exampleUserRepo.findByLoginNameIn(Arrays.asList("user1", "user2"));
+ Assertions.assertEquals(2, result.size());
+ }
+
+ @Test
+ public void testFindByNameLike() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("john123");
+ user1.setName("John Doe");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("jane456");
+ user2.setName("Jane Smith");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ List result = exampleUserRepo.findByNameLike("%John%");
+ Assertions.assertEquals(1, result.size());
+ Assertions.assertEquals("John Doe", result.get(0).getName());
+ }
+
+ @Test
+ public void testCountByName() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("john123");
+ user1.setName("John Doe");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("jane456");
+ user2.setName("Jane Smith");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ long count = exampleUserRepo.countByName("John Doe");
+ Assertions.assertEquals(1, count);
+ }
+
+ @Test
+ public void testFindByNameWithPagination() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("john123");
+ user1.setName("John Doe");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("jane456");
+ user2.setName("Jane Smith");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ Pageable pageable = PageRequest.of(0, 10, Sort.by(Sort.Direction.ASC, "name"));
+ Page pageResult = exampleUserRepo.findByName("John Doe", pageable);
+
+ Assertions.assertEquals(1, pageResult.getTotalElements());
+ Assertions.assertEquals(1, pageResult.getTotalPages());
+ List users = pageResult.getContent();
+ Assertions.assertEquals(1, users.size());
+ Assertions.assertEquals("John Doe", users.get(0).getName());
+ }
+
+ @Test
+ public void testFindByKeywordOrderByAgeAscCreateTimeDesc() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("john123");
+ user1.setName("John Doe");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("jane456");
+ user2.setName("Jane Smith");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ Pageable pageable = PageRequest.of(0, 10, Sort.by(Sort.Direction.ASC, "age").and(Sort.by(Sort.Direction.DESC, "createTime")));
+ Page pageResult = exampleUserRepo.findByKeywordOrderByAgeAscCreateTimeDesc("John", pageable);
+
+ Assertions.assertEquals(1, pageResult.getTotalElements());
+ Assertions.assertEquals(1, pageResult.getTotalPages());
+ List users = pageResult.getContent();
+ Assertions.assertEquals(1, users.size());
+ Assertions.assertEquals("John Doe", users.get(0).getName());
+ }
+
+ @Test
+ public void testUpdateNameByLoginName() {
+ ExampleUser user = new ExampleUser();
+ user.setLoginName("john123");
+ user.setName("John Doe");
+ exampleUserRepo.save(user);
+
+ exampleUserRepo.updateNameByLoginName("John Smith", "john123");
+
+ Optional result = exampleUserRepo.findByLoginName("john123");
+ Assertions.assertTrue(result.isPresent());
+ Assertions.assertEquals("John Smith", result.get().getName()); // todo 没解决，使用了@DataJpaTest注解，可能导致了数据不准确的问题
+ }
+
+ @Test
+ public void testDeleteByLoginName() {
+ ExampleUser user = new ExampleUser();
+ user.setLoginName("john123");
+ user.setName("John Doe");
+ exampleUserRepo.save(user);
+
+ exampleUserRepo.deleteByLoginName("john123");
+
+ Optional result = exampleUserRepo.findByLoginName("john123");
+ Assertions.assertFalse(result.isPresent());
+ }
+
+ @Test
+ public void testDeleteNameByLoginName() {
+ ExampleUser user = new ExampleUser();
+ user.setLoginName("john123");
+ user.setName("John Doe");
+ exampleUserRepo.save(user);
+
+ exampleUserRepo.deleteNameByLoginName("john123");
+
+ Optional result = exampleUserRepo.findByLoginName("john123");
+ Assertions.assertTrue(result.isPresent());
+ Assertions.assertNull(result.get().getName()); // todo 没解决，使用了@DataJpaTest注解，可能导致了数据不准确的问题
+ }
+
+ @Test
+ public void testDeleteByName() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("john123");
+ user1.setName("John Doe");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("jane456");
+ user2.setName("Jane Smith");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ long count = exampleUserRepo.deleteByName("John Doe");
+ Assertions.assertEquals(1, count);
+
+ Optional result = exampleUserRepo.findByLoginName("john123");
+ Assertions.assertFalse(result.isPresent());
+ }
+
+ @Test
+ public void testRemoveByName() {
+ ExampleUser user1 = new ExampleUser();
+ user1.setLoginName("john123");
+ user1.setName("John Doe");
+
+ ExampleUser user2 = new ExampleUser();
+ user2.setLoginName("jane456");
+ user2.setName("Jane Smith");
+
+ exampleUserRepo.saveAll(Arrays.asList(user1, user2));
+
+ List removedUsers = exampleUserRepo.removeByName("John Doe");
+ Assertions.assertEquals(1, removedUsers.size());
+ Assertions.assertEquals("John Doe", removedUsers.get(0).getName());
+
+ Optional result = exampleUserRepo.findByLoginName("john123");
+ Assertions.assertFalse(result.isPresent());
+ }
+}