test: 新增 StudySessionsServiceImpl 单元测试 (10 cases)
覆盖场景：ONGOING/PAUSED 状态的消息返回、报告创建、 边界值、会话不存在异常、updateById 调用验证
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package com.guo.learningprogresstracker.service.impl;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.guo.learningprogresstracker.entity.StudyReportsEntity;
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import com.guo.learningprogresstracker.entity.StudySessionsEntity;
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import com.guo.learningprogresstracker.enums.StudySessionStateEnum;
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import com.guo.learningprogresstracker.mapper.StudyReportFragmentsMapper;
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import com.guo.learningprogresstracker.mapper.StudyReportsMapper;
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import com.guo.learningprogresstracker.mapper.StudySessionsMapper;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.InjectMocks;
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import org.mockito.Mock;
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import org.mockito.Spy;
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import org.mockito.junit.jupiter.MockitoSettings;
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import org.mockito.quality.Strictness;
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import org.mockito.junit.jupiter.MockitoExtension;
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import java.time.LocalDateTime;
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import java.util.Optional;
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import static org.junit.jupiter.api.Assertions.*;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.Mockito.*;
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@ExtendWith(MockitoExtension.class)
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@MockitoSettings(strictness = Strictness.LENIENT)
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class StudySessionsServiceImplTest {
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@Spy
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@InjectMocks
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private StudySessionsServiceImpl studySessionsService;
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@Mock
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private StudyReportsMapper studyReportsMapper;
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@Mock
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private StudyReportFragmentsMapper studyReportFragmentsMapper;
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@Mock
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private StudySessionsMapper studySessionsMapper;
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@BeforeEach
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void setUp() {
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// stub updateById，避免调用真实的 getBaseMapper()
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doReturn(true).when(studySessionsService).updateById(any());
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}
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private StudySessionsEntity createSession(String state, int minutesAgo) {
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StudySessionsEntity session = new StudySessionsEntity();
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session.setSessionNum("SESSION_TEST");
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session.setSessionState(state);
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session.setStartTime(LocalDateTime.now().minusMinutes(minutesAgo));
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session.setLastStartTime(LocalDateTime.now().minusMinutes(minutesAgo));
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session.setEffectiveTime(0);
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session.setActualTime(0);
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return session;
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}
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private void mockGetOneOpt(StudySessionsEntity session) {
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doReturn(Optional.of(session)).when(studySessionsService).getOneOpt(any(Wrapper.class));
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}
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/**
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* 场景1：ONGOING 状态，有效时间 < 10分钟 → 返回提示消息
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*/
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@Test
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void endedStudySession_ongoing_lessThan10Min_shouldReturnMessage() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.ONGOING.name(), 5);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_TEST", "学习内容");
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assertEquals("本次有效学习时间不足10分钟，不计入总学习时间", message);
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assertEquals(0, session.getEffectiveTime(), "effectiveTime 应被清零");
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assertEquals(StudySessionStateEnum.ENDED.name(), session.getSessionState());
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verify(studyReportsMapper).insert(any(StudyReportsEntity.class));
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}
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/**
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* 场景2：ONGOING 状态，有效时间 > 10分钟 → 返回 null（正常结束）
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*/
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@Test
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void endedStudySession_ongoing_moreThan10Min_shouldReturnNull() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.ONGOING.name(), 15);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_TEST", "学习内容");
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assertNull(message, "有效时间超过10分钟不应返回提示");
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assertTrue(session.getEffectiveTime() > 0, "effectiveTime 应保留");
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assertEquals(StudySessionStateEnum.ENDED.name(), session.getSessionState());
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}
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/**
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* 场景3：PAUSED 状态，有效时间 < 10分钟 → 返回 null（PAUSED 不触发提示）
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*/
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@Test
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void endedStudySession_paused_lessThan10Min_shouldReturnNull() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.PAUSED.name(), 5);
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session.setEffectiveTime(5 * 60);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_TEST", "学习内容");
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assertNull(message, "PAUSED 状态结束不返回提示（用户已主动暂停）");
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assertEquals(0, session.getEffectiveTime(), "effectiveTime 仍应被实体层清零");
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}
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/**
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* 场景4：PAUSED 状态，有效时间 > 10分钟 → 返回 null，effectiveTime 保留
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*/
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@Test
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void endedStudySession_paused_moreThan10Min_shouldReturnNull() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.PAUSED.name(), 15);
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session.setEffectiveTime(15 * 60);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_TEST", "学习内容");
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assertNull(message);
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assertTrue(session.getEffectiveTime() > 0, "effectiveTime 应保留");
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}
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/**
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* 场景5：无论是否触发清零，学习报告都应正常创建
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*/
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@Test
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void endedStudySession_shouldAlwaysCreateReport() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.ONGOING.name(), 3);
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mockGetOneOpt(session);
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studySessionsService.endedStudySession("SESSION_TEST", "测试报告内容");
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verify(studyReportsMapper).insert(argThat(report ->
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"SESSION_TEST".equals(((StudyReportsEntity) report).getSessionNum())
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&& "测试报告内容".equals(((StudyReportsEntity) report).getContent())
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));
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}
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/**
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* 场景6：ONGOING 状态，有效时间恰好 = 10分钟 → 有效时间保留（600 不 < 600）
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*/
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@Test
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void endedStudySession_ongoing_exactly10Min_shouldReturnNull() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.ONGOING.name(), 10);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_TEST", "学习内容");
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assertNull(message, "有效时间等于10分钟应保留（阈值为 < 600）");
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assertTrue(session.getEffectiveTime() >= 10 * 60, "effectiveTime 应保留");
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}
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/**
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* 场景7：会话不存在 → 抛出异常
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*/
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@Test
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void endedStudySession_sessionNotFound_shouldThrowException() {
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doReturn(Optional.empty()).when(studySessionsService).getOneOpt(any(Wrapper.class));
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assertThrows(Exception.class, () ->
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studySessionsService.endedStudySession("NOT_EXIST", "内容"));
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}
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/**
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* 场景8：ONGOING 状态，有效时间极短（1分钟） → 返回提示消息
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*/
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@Test
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void endedStudySession_ongoing_veryShortTime_shouldReturnMessage() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.ONGOING.name(), 1);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_TEST", "学习内容");
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assertEquals("本次有效学习时间不足10分钟，不计入总学习时间", message);
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assertEquals(0, session.getEffectiveTime());
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}
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/**
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* 场景9：ONGOING 状态，刚开始就结束（effectiveTime ≈ 0） → 返回提示消息
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*/
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@Test
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void endedStudySession_ongoing_immediatelyEnded_shouldReturnMessage() throws Exception {
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StudySessionsEntity session = new StudySessionsEntity();
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session.setSessionNum("SESSION_INSTANT");
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session.setSessionState(StudySessionStateEnum.ONGOING.name());
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session.setStartTime(LocalDateTime.now());
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session.setLastStartTime(LocalDateTime.now());
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session.setEffectiveTime(0);
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session.setActualTime(0);
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mockGetOneOpt(session);
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String message = studySessionsService.endedStudySession("SESSION_INSTANT", "内容");
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assertEquals("本次有效学习时间不足10分钟，不计入总学习时间", message);
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assertEquals(0, session.getEffectiveTime());
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}
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/**
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* 场景10：确认 updateById 被调用（会话状态持久化）
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*/
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@Test
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void endedStudySession_shouldCallUpdateById() throws Exception {
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StudySessionsEntity session = createSession(StudySessionStateEnum.ONGOING.name(), 5);
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mockGetOneOpt(session);
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studySessionsService.endedStudySession("SESSION_TEST", "内容");
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verify(studySessionsService).updateById(session);
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}
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}
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