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+import { signal } from '@angular/core';
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+import { TestBed } from '@angular/core/testing';
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+import { ActivatedRoute, convertToParamMap, provideRouter } from '@angular/router';
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+import { of, Subject } from 'rxjs';
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+import { ApiService } from '../../core/api.service';
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+import { SessionService } from '../../core/session.service';
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+import { LessonReportComponent } from './lesson-report.component';
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+import { LessonReportPdfComponent } from './lesson-report-pdf.component';
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+import { LessonReportDownloadService } from './lesson-report-download.service';
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+import { LessonReportData, lessonPdfReport } from './lesson-report-pdf';
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+
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+const reportFixture = (): LessonReportData => ({
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+ order: {GeneralID:901, szyh:20, HoneyName:'测试学员', plxm:'测试老师', yykcmc:'九年级词汇', yysj:'2026-10-22 14:00', dszt:30, dslx:2, teacherPay:30},
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+ feedback: {feedbackStatus:'submitted',contentSummary:'完成本节单词学习',reviewSummary:'复习生词',trainingSummary:'第3次课',homework:'完成课后复习',coachComment:'继续加油'},
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+ records: [{generalId:1001,dqrq:'2026-10-22',learned:3,ygg:1,djq:1}],
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+ antiForget: {total:10,completed:0}, refreshedAt:'2026-10-22T14:00:00Z',
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+});
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+const wordsFixture = () => [
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+ {GeneralID:1,Title:'lantern',check:1,detail:[{yb:'ˈlæntən',sy:'n.灯笼；提灯'}]},
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+ {GeneralID:2,Title:'eve',check:2,detail:[{yb:'iːv',sy:'n.前夜；前夕'}]},
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+ {GeneralID:3,Title:'tomb',check:0,detail:[{yb:'tuːm',sy:'n.坟墓'}]},
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+];
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+
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+describe('teacher learning report PDF download', () => {
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+ let report: LessonReportData;
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+ const groupId = signal(3);
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+ let api: jasmine.SpyObj<ApiService>;
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+ let download: jasmine.SpyObj<LessonReportDownloadService>;
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+ beforeEach(() => {
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+ report = reportFixture(); groupId.set(3);
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+ api = jasmine.createSpyObj('ApiService',['get']);
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+ api.get.and.callFake((action: string) => of({retcode:0,result:(action==='app_lesson_report'?report:action==='e_record_detail'?wordsFixture():{batches:[]}) as any}));
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+ download = jasmine.createSpyObj('LessonReportDownloadService',['save']);
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+ download.save.and.resolveTo();
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+ TestBed.configureTestingModule({providers:[provideRouter([]),
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+ {provide:ActivatedRoute,useValue:{snapshot:{queryParamMap:convertToParamMap({sid:'901'})}}},
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+ {provide:ApiService,useValue:api},{provide:SessionService,useValue:{groupId}},
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+ {provide:LessonReportDownloadService,useValue:download},
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+ ]});
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+ });
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+ function screen() { const fixture=TestBed.createComponent(LessonReportComponent);fixture.detectChanges();return fixture; }
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+ it('offers the teacher a footer download and fetches saved word results before rendering the full report',async()=>{
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+ const fixture=screen();
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+ expect(fixture.nativeElement.querySelector('footer .download-pdf').textContent).toContain('下载 PDF');
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+ expect(fixture.nativeElement.querySelector('footer a').textContent).toContain('查看学习记录');
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+ download.save.and.callFake(async(element, filename)=>{
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+ expect(filename).toBe('小树陪练-单词学习报表-测试学员-2026-10-22-901.pdf');
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+ expect(element.querySelectorAll('.word-row').length).toBe(3);
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+ expect(element.textContent).toContain('n.灯笼；提灯');
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+ expect(element.textContent).toContain('已掌握');expect(element.textContent).toContain('待复习');expect(element.textContent).toContain('未标记');
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+ expect(element.textContent).toContain('21天复习计划');expect(element.textContent).toContain('完成课后复习');
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+ expect(element.textContent).not.toMatch(/工资|收入|¥/);
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+ });
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+ await fixture.componentInstance.downloadPdf();fixture.detectChanges();
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+ expect(api.get).toHaveBeenCalledWith('e_record_detail',{id:1001,studentId:20});
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+ expect(download.save).toHaveBeenCalledTimes(1);
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+ expect(fixture.nativeElement.querySelector('[role="status"]').textContent).toContain('PDF 已生成');
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+ expect(fixture.nativeElement.querySelector('.pdf-render')).toBeNull();
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+ });
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+ it('blocks duplicate clicks and enables retry after a failed record read',async()=>{
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+ const fixture=screen();const pending=new Subject<any>();
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+ api.get.and.callFake((action:string)=>action==='e_record_detail'?pending:of({retcode:0,result:report as any}));
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+ const first=fixture.componentInstance.downloadPdf();await Promise.resolve();
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+ await fixture.componentInstance.downloadPdf();fixture.detectChanges();
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+ expect(fixture.nativeElement.querySelector('.download-pdf').disabled).toBeTrue();
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+ expect(api.get.calls.allArgs().filter(args=>args[0]==='e_record_detail').length).toBe(1);
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+ pending.error(new Error('单词读取失败'));await first;fixture.detectChanges();
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+ expect(download.save).not.toHaveBeenCalled();expect(fixture.nativeElement.querySelector('[role="alert"]').textContent).toContain('单词读取失败');
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+ expect(fixture.nativeElement.querySelector('.download-pdf').disabled).toBeFalse();
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+ api.get.and.callFake((action:string)=>of({retcode:0,result:(action==='e_record_detail'?wordsFixture():report) as any}));
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+ await fixture.componentInstance.downloadPdf();expect(download.save).toHaveBeenCalledTimes(1);
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+ });
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+ it('does not export incomplete lessons or empty record lists',async()=>{
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+ const fixture=screen();report.order['dszt']=10;
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+ await fixture.componentInstance.downloadPdf();expect(fixture.componentInstance.exportError()).toContain('请先完成课程');
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+ report.order['dszt']=30;report.records=[];
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+ await fixture.componentInstance.downloadPdf();expect(fixture.componentInstance.exportError()).toContain('暂无学习记录');
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+ expect(download.save).not.toHaveBeenCalled();
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+ });
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+ it('keeps all saved records in one file and reports generation failures',async()=>{
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+ report.records.push({...report.records[0],generalId:1002});const fixture=screen();
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+ download.save.and.callFake(async element=>{
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+ expect(element.querySelectorAll('.pdf-sheet').length).toBe(2);throw new Error('PDF 生成失败');
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+ });
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+ await fixture.componentInstance.downloadPdf();
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+ expect(fixture.componentInstance.exportError()).toBe('PDF 生成失败');
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+ expect(fixture.componentInstance.exporting()).toBeFalse();expect(fixture.componentInstance.pdfReports()).toEqual([]);
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+ });
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+ it('keeps the teacher-only download out of the student screen',async()=>{
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+ groupId.set(1);const fixture=screen();
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+ expect(fixture.nativeElement.querySelector('.download-pdf')).toBeNull();
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+ await fixture.componentInstance.downloadPdf();expect(download.save).not.toHaveBeenCalled();
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+ });
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+});
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+
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+describe('learning report PDF rendering',()=>{
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+ it('uses stored mastery checks and valid review dates without inferring an invalid date',()=>{
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+ const report=reportFixture();const record={...report.records[0],fxrl:'2026-10-24,2026-10-25'};
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+ const pdf=lessonPdfReport(report,record,wordsFixture());
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+ expect([pdf.masteredCount,pdf.reviewDueCount,pdf.unmarkedCount]).toEqual([1,1,1]);
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+ expect(pdf.reviewSchedule[0].date).toBe('2026-10-24');expect(pdf.reviewSchedule[9].date).toBe('2026-11-12');
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+ expect(lessonPdfReport(report,{dqrq:'2026-02-30'},wordsFixture()).reviewSchedule[0].date).toBe('');
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+ });
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+ it('generates a real multipage A4 PDF with the printable Angular report',async()=>{
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+ const fixture=TestBed.createComponent(LessonReportPdfComponent);
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+ const words=Array.from({length:45},(_,index)=>({...wordsFixture()[index%3],GeneralID:index+1}));
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+ const pdfReport=lessonPdfReport(reportFixture(),reportFixture().records[0],words);
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+ fixture.componentRef.setInput('reports',[pdfReport]);fixture.detectChanges();
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+ const service=new LessonReportDownloadService();
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+ const blob=await service.createPdf(fixture.nativeElement);
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+ expect(blob.type).toBe('application/pdf');expect(blob.size).toBeGreaterThan(20_000);
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+ const text=await blob.text();expect(text.startsWith('%PDF-')).toBeTrue();
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+ expect((text.match(/\/Type \/Page\b/g)||[]).length).toBeGreaterThan(1);
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+ const dimensions=text.match(/\/MediaBox \[0 0 ([\d.]+) ([\d.]+)\]/);
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+ expect(Number(dimensions?.[1])).toBeCloseTo(595.28,1);expect(Number(dimensions?.[2])).toBeCloseTo(841.89,1);
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+ },30_000);
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+});
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彭峰