@Test
  public void syncBinder() {
    Identity owner = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-10");
    Identity id = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-11");
    RepositoryEntry templateEntry = createTemplate(owner, "Template", "TE");
    dbInstance.commitAndCloseSession();

    // make 2 sections
    Binder templateBinder = portfolioService.getBinderByResource(templateEntry.getOlatResource());
    // add 2 sections
    for (int i = 0; i < 2; i++) {
      portfolioService.appendNewSection("Section " + i, "Section " + i, null, null, templateBinder);
      dbInstance.commit();
    }

    List<Section> templateSections = portfolioService.getSections(templateBinder);
    Assert.assertNotNull(templateSections);
    Assert.assertEquals(3, templateSections.size());

    // user get a the binder from the template
    Binder binder =
        portfolioService.assignBinder(id, templateBinder, templateEntry, "ac-234", new Date());
    dbInstance.commit();
    Assert.assertNotNull(binder);
    boolean inUse = portfolioService.isTemplateInUse(templateBinder, templateEntry, "ac-234");
    Assert.assertTrue(inUse);

    // update the template with 2 more sections
    for (int i = 2; i < 4; i++) {
      portfolioService.appendNewSection("Section " + i, "Section " + i, null, null, templateBinder);
      dbInstance.commit();
    }

    SynchedBinder synchedBinder = portfolioService.loadAndSyncBinder(binder);
    Assert.assertNotNull(synchedBinder);
    dbInstance.commit();
    Assert.assertTrue(synchedBinder.isChanged());
    Assert.assertEquals(binder, synchedBinder.getBinder());
    List<Section> synchedSections = portfolioService.getSections(synchedBinder.getBinder());
    Assert.assertEquals(5, synchedSections.size());
  }
  @Test
  public void syncBinder_moveInNewSection_moreComplexCase() {
    Identity owner = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-10");
    Identity id = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-11");
    RepositoryEntry templateEntry = createTemplate(owner, "Template", "TE");
    dbInstance.commitAndCloseSession();

    // make 2 sections
    Binder templateBinder = portfolioService.getBinderByResource(templateEntry.getOlatResource());
    SectionRef sectionRef0 = portfolioService.getSections(templateBinder).get(0);
    // add 2 sections
    SectionRef sectionRef1 =
        portfolioService.appendNewSection("1 section ", "Section 1", null, null, templateBinder);
    SectionRef sectionRef2 =
        portfolioService.appendNewSection("2 section ", "Section 2", null, null, templateBinder);
    dbInstance.commit();

    // make 4 assignments
    Section templateSection0 = portfolioService.getSection(sectionRef0);
    Section templateSection1 = portfolioService.getSection(sectionRef1);
    Section templateSection2 = portfolioService.getSection(sectionRef2);
    Assignment assignment0_1 =
        portfolioService.addAssignment(
            "0.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection0,
            false,
            false,
            false,
            null);
    Assignment assignment1_1 =
        portfolioService.addAssignment(
            "1.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection1,
            false,
            false,
            false,
            null);
    Assignment assignment1_2 =
        portfolioService.addAssignment(
            "1.2 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection1,
            false,
            false,
            false,
            null);
    Assignment assignment2_1 =
        portfolioService.addAssignment(
            "2.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection2,
            false,
            false,
            false,
            null);
    Assignment assignment2_2 =
        portfolioService.addAssignment(
            "2.2 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection2,
            false,
            false,
            false,
            null);
    dbInstance.commit();
    List<Assignment> templateAssignments = portfolioService.getAssignments(templateBinder, null);
    Assert.assertEquals(5, templateAssignments.size());

    // a user take the binder and synched it a first time
    Binder binder = portfolioService.assignBinder(id, templateBinder, templateEntry, "74", null);
    dbInstance.commit();
    SynchedBinder synchedBinder = portfolioService.loadAndSyncBinder(binder);
    dbInstance.commitAndCloseSession();
    Assert.assertNotNull(synchedBinder);
    Assert.assertEquals(binder, synchedBinder.getBinder());

    // start all assignments
    List<Assignment> assignments = portfolioService.getAssignments(binder, null);
    Assert.assertEquals(5, assignments.size());
    for (Assignment assignment : assignments) {
      portfolioService.startAssignment(assignment, id);
      dbInstance.commit();
    }
    dbInstance.commit();

    // check that the student has it's 4 pages
    List<Page> pages = portfolioService.getPages(binder, null);
    Assert.assertEquals(5, pages.size());

    // author create 2 new sections, move the 4 to the top
    SectionRef sectionRef3 =
        portfolioService.appendNewSection("3 section ", "Section 3", null, null, templateBinder);
    SectionRef sectionRef4 =
        portfolioService.appendNewSection("4 section ", "Section 4", null, null, templateBinder);
    dbInstance.commit();

    Section templateSection3 = portfolioService.getSection(sectionRef3);
    Section templateSection4 = portfolioService.getSection(sectionRef4);

    templateBinder = portfolioService.moveUpSection(templateBinder, templateSection4);
    dbInstance.commit();
    templateBinder = portfolioService.moveUpSection(templateBinder, templateSection4);
    dbInstance.commit();
    templateBinder = portfolioService.moveUpSection(templateBinder, templateSection4);
    dbInstance.commit();
    templateBinder = portfolioService.moveUpSection(templateBinder, templateSection4);
    dbInstance.commit();

    // add new assignment
    Assignment assignment3_1 =
        portfolioService.addAssignment(
            "3.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection3,
            false,
            false,
            false,
            null);
    Assignment assignment4_1 =
        portfolioService.addAssignment(
            "4.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection4,
            false,
            false,
            false,
            null);
    dbInstance.commit();

    // the author move some assignments
    portfolioService.moveAssignment(templateSection1, assignment1_1, templateSection3);
    dbInstance.commit();
    portfolioService.moveAssignment(templateSection1, assignment1_2, templateSection2);
    dbInstance.commit();
    portfolioService.moveAssignment(templateSection2, assignment2_1, templateSection3);
    dbInstance.commit();
    portfolioService.moveAssignment(templateSection2, assignment2_2, templateSection4);
    dbInstance.commitAndCloseSession();

    // update the data of some assignments
    assignment2_1 = assignmentDao.loadAssignmentByKey(assignment2_1.getKey());
    assignment4_1 = assignmentDao.loadAssignmentByKey(assignment4_1.getKey());
    assignment2_1 =
        portfolioService.updateAssignment(
            assignment2_1,
            "2.1 Assignment",
            "Assignment 2 description",
            "",
            AssignmentType.essay,
            false,
            false,
            false,
            null);
    assignment4_1 =
        portfolioService.updateAssignment(
            assignment4_1,
            "4.1 Assignment",
            "Assignment 4 description",
            "",
            AssignmentType.document,
            false,
            false,
            false,
            null);
    dbInstance.commit();

    // check the move
    List<Assignment> templateAssignmentsSection0 =
        portfolioService.getAssignments(templateSection0, null);
    Assert.assertTrue(templateAssignmentsSection0.contains(assignment0_1));

    List<Assignment> templateAssignmentsSection1 =
        portfolioService.getAssignments(templateSection1, null);
    Assert.assertTrue(templateAssignmentsSection1.isEmpty());
    List<Assignment> templateAssignmentsSection2 =
        portfolioService.getAssignments(templateSection2, null);
    Assert.assertEquals(1, templateAssignmentsSection2.size());
    Assert.assertTrue(templateAssignmentsSection2.contains(assignment1_2));
    List<Assignment> templateAssignmentsSection3 =
        portfolioService.getAssignments(templateSection3, null);
    Assert.assertEquals(3, templateAssignmentsSection3.size());
    Assert.assertTrue(templateAssignmentsSection3.contains(assignment1_1));
    Assert.assertTrue(templateAssignmentsSection3.contains(assignment2_1));
    Assert.assertTrue(templateAssignmentsSection3.contains(assignment3_1));
    List<Assignment> templateAssignmentsSection4 =
        portfolioService.getAssignments(templateSection4, null);
    Assert.assertEquals(2, templateAssignmentsSection4.size());
    Assert.assertTrue(templateAssignmentsSection4.contains(assignment2_2));
    Assert.assertTrue(templateAssignmentsSection4.contains(assignment4_1));

    // synched and check the sections order
    SynchedBinder synchedBinder2 = portfolioService.loadAndSyncBinder(binder);
    Binder freshBinder = synchedBinder2.getBinder();
    dbInstance.commitAndCloseSession();

    List<Section> sections = portfolioService.getSections(freshBinder);
    Assert.assertEquals(5, sections.size());
    Section section4 = sections.get(0);
    Section section0 = sections.get(1);
    Section section1 = sections.get(2);
    Section section2 = sections.get(3);
    Section section3 = sections.get(4);
    Assert.assertEquals(templateSection0, section0.getTemplateReference());
    Assert.assertEquals(templateSection1, section1.getTemplateReference());
    Assert.assertEquals(templateSection2, section2.getTemplateReference());
    Assert.assertEquals(templateSection3, section3.getTemplateReference());
    Assert.assertEquals(templateSection4, section4.getTemplateReference());

    // load pages from section 0
    List<Page> pagesSection0 = portfolioService.getPages(section0);
    Assert.assertEquals(1, pagesSection0.size());
    Page page0_1 = pagesSection0.get(0);
    Assert.assertTrue(page0_1.getTitle().equals("0.1 Assignment"));
    // load pages from section 1
    List<Page> pagesSection1 = portfolioService.getPages(section1);
    Assert.assertTrue(pagesSection1.isEmpty());
    // and pages from section 2
    List<Page> pagesSection2 = portfolioService.getPages(section2);
    Assert.assertEquals(1, pagesSection2.size());
    Page page1_2 = pagesSection2.get(0);
    Assert.assertTrue(page1_2.getTitle().equals("1.2 Assignment"));
    // and pages from section 3
    List<Page> pagesSection3 = portfolioService.getPages(section3);
    Assert.assertEquals(2, pagesSection3.size());
    Page page1_1 = pagesSection3.get(0);
    Page page2_1 = pagesSection3.get(1);
    Assert.assertTrue(
        page1_1.getTitle().equals("1.1 Assignment") || page1_1.getTitle().equals("2.1 Assignment"));
    Assert.assertTrue(
        page2_1.getTitle().equals("1.1 Assignment") || page2_1.getTitle().equals("2.1 Assignment"));
    // and pages from section 4
    List<Page> pagesSection4 = portfolioService.getPages(section4);
    Assert.assertEquals(1, pagesSection4.size());
    Page page2_2 = pagesSection4.get(0);
    Assert.assertTrue(page2_2.getTitle().equals("2.2 Assignment"));

    // check the assignments
    // section 0
    List<Assignment> assignmentsSection0 = section0.getAssignments();
    Assert.assertEquals(1, assignmentsSection0.size());
    Assignment templateSynchedSection0a = assignmentsSection0.get(0).getTemplateReference();
    Assert.assertTrue(assignment0_1.equals(templateSynchedSection0a));
    // section 1
    List<Assignment> assignmentsSection1 = section1.getAssignments();
    Assert.assertTrue(assignmentsSection1.isEmpty());
    // section 2
    List<Assignment> assignmentsSection2 = section2.getAssignments();
    Assert.assertEquals(1, assignmentsSection2.size());
    Assignment templateSynchedSection2a = assignmentsSection2.get(0).getTemplateReference();
    Assert.assertTrue(assignment1_2.equals(templateSynchedSection2a));
    // section 3
    List<Assignment> assignmentsSection3 = section3.getAssignments();
    Assert.assertEquals(3, assignmentsSection3.size());
    Assignment templateSynchedSection3a = assignmentsSection3.get(0).getTemplateReference();
    Assignment templateSynchedSection3b = assignmentsSection3.get(1).getTemplateReference();
    Assignment templateSynchedSection3c = assignmentsSection3.get(2).getTemplateReference();
    Assert.assertTrue(
        assignment3_1.equals(templateSynchedSection3a)
            || assignment3_1.equals(templateSynchedSection3b)
            || assignment3_1.equals(templateSynchedSection3c));
    Assert.assertTrue(
        assignment2_1.equals(templateSynchedSection3a)
            || assignment2_1.equals(templateSynchedSection3b)
            || assignment2_1.equals(templateSynchedSection3c));
    Assert.assertTrue(
        assignment1_1.equals(templateSynchedSection3a)
            || assignment1_1.equals(templateSynchedSection3b)
            || assignment1_1.equals(templateSynchedSection3c));
    // section 4
    List<Assignment> assignmentsSection4 = section4.getAssignments();
    Assert.assertEquals(2, assignmentsSection4.size());
    Assignment templateSynchedSection4a = assignmentsSection4.get(0).getTemplateReference();
    Assignment templateSynchedSection4b = assignmentsSection4.get(1).getTemplateReference();
    Assert.assertTrue(
        assignment2_2.equals(templateSynchedSection4a)
            || assignment2_2.equals(templateSynchedSection4b));
    Assert.assertTrue(
        assignment4_1.equals(templateSynchedSection4a)
            || assignment4_1.equals(templateSynchedSection4b));

    // check update of assignments
    Assert.assertEquals("Assignment 2 description", assignment2_1.getSummary());
    Assert.assertEquals("Assignment 4 description", assignment4_1.getSummary());
  }
  @Test
  public void syncBinder_moveInNewSection() {
    Identity owner = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-10");
    Identity id = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-11");
    RepositoryEntry templateEntry = createTemplate(owner, "Template", "TE");
    dbInstance.commitAndCloseSession();

    // make 2 sections
    Binder templateBinder = portfolioService.getBinderByResource(templateEntry.getOlatResource());
    SectionRef sectionRef0 = portfolioService.getSections(templateBinder).get(0);
    // add 2 sections
    SectionRef sectionRef1 =
        portfolioService.appendNewSection("1 section ", "Section 1", null, null, templateBinder);
    SectionRef sectionRef2 =
        portfolioService.appendNewSection("2 section ", "Section 2", null, null, templateBinder);
    dbInstance.commit();

    // make 4 assignments
    Section templateSection0 = portfolioService.getSection(sectionRef0);
    Section templateSection1 = portfolioService.getSection(sectionRef1);
    Section templateSection2 = portfolioService.getSection(sectionRef2);
    Assignment assignment1_1 =
        portfolioService.addAssignment(
            "1.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection1,
            false,
            false,
            false,
            null);
    Assignment assignment1_2 =
        portfolioService.addAssignment(
            "1.2 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection1,
            false,
            false,
            false,
            null);
    Assignment assignment2_1 =
        portfolioService.addAssignment(
            "2.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection2,
            false,
            false,
            false,
            null);
    Assignment assignment2_2 =
        portfolioService.addAssignment(
            "2.2 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection2,
            false,
            false,
            false,
            null);
    dbInstance.commit();
    List<Assignment> templateAssignments = portfolioService.getAssignments(templateBinder, null);
    Assert.assertEquals(4, templateAssignments.size());

    // a user take the binder and synched it a first time
    Binder binder = portfolioService.assignBinder(id, templateBinder, templateEntry, "72", null);
    dbInstance.commit();
    SynchedBinder synchedBinder = portfolioService.loadAndSyncBinder(binder);
    dbInstance.commitAndCloseSession();
    Assert.assertNotNull(synchedBinder);
    Assert.assertEquals(binder, synchedBinder.getBinder());

    // start all assignments
    List<Assignment> assignments = portfolioService.getAssignments(binder, null);
    Assert.assertEquals(4, assignments.size());
    for (Assignment assignment : assignments) {
      portfolioService.startAssignment(assignment, id);
      dbInstance.commit();
    }
    dbInstance.commit();

    // check that the student has it's 4 pages
    List<Page> pages = portfolioService.getPages(binder, null);
    Assert.assertEquals(4, pages.size());

    // author create a new section and move an assignment
    SectionRef sectionRef3 =
        portfolioService.appendNewSection("3 section ", "Section 3", null, null, templateBinder);
    dbInstance.commit();

    Section templateSection3 = portfolioService.getSection(sectionRef3);
    Assignment assignment3_1 =
        portfolioService.addAssignment(
            "3.1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection3,
            false,
            false,
            false,
            null);
    dbInstance.commit();

    // the author move an assigment
    portfolioService.moveAssignment(templateSection1, assignment1_1, templateSection2);
    dbInstance.commit();
    portfolioService.moveAssignment(templateSection2, assignment2_1, templateSection3);
    dbInstance.commitAndCloseSession();

    // check the move
    List<Assignment> templateAssignmentsSection1 =
        portfolioService.getAssignments(templateSection1, null);
    Assert.assertTrue(templateAssignmentsSection1.contains(assignment1_2));
    List<Assignment> templateAssignmentsSection2 =
        portfolioService.getAssignments(templateSection2, null);
    Assert.assertTrue(templateAssignmentsSection2.contains(assignment2_2));
    Assert.assertTrue(templateAssignmentsSection2.contains(assignment1_1));
    List<Assignment> templateAssignmentsSection3 =
        portfolioService.getAssignments(templateSection3, null);
    Assert.assertTrue(templateAssignmentsSection3.contains(assignment2_1));
    Assert.assertTrue(templateAssignmentsSection3.contains(assignment3_1));

    // synched and check the sections order
    SynchedBinder synchedBinder2 = portfolioService.loadAndSyncBinder(binder);
    Binder freshBinder = synchedBinder2.getBinder();
    List<Section> sections = portfolioService.getSections(freshBinder);
    Assert.assertEquals(4, sections.size());
    Section section0 = sections.get(0);
    Section section1 = sections.get(1);
    Section section2 = sections.get(2);
    Section section3 = sections.get(3);
    Assert.assertEquals(templateSection0, section0.getTemplateReference());
    Assert.assertEquals(templateSection1, section1.getTemplateReference());
    Assert.assertEquals(templateSection2, section2.getTemplateReference());
    Assert.assertEquals(templateSection3, section3.getTemplateReference());

    // load pages from section 1
    List<Page> pagesSection1 = portfolioService.getPages(section1);
    Assert.assertEquals(1, pagesSection1.size());
    Page page1_2 = pagesSection1.get(0);
    Assert.assertTrue(page1_2.getTitle().equals("1.2 Assignment"));

    // and pages from section 2
    List<Page> pagesSection2 = portfolioService.getPages(section2);
    Assert.assertEquals(2, pagesSection2.size());
    Page page2_2 = pagesSection2.get(0);
    Page page1_1 = pagesSection2.get(1);
    Assert.assertTrue(
        page2_2.getTitle().equals("1.1 Assignment") || page2_2.getTitle().equals("2.2 Assignment"));
    Assert.assertTrue(
        page1_1.getTitle().equals("1.1 Assignment") || page1_1.getTitle().equals("2.2 Assignment"));

    // and pages from section 3
    List<Page> pagesSection3 = portfolioService.getPages(section3);
    Assert.assertEquals(1, pagesSection3.size());
    Page page2_1 = pagesSection3.get(0);
    Assert.assertTrue(page2_1.getTitle().equals("2.1 Assignment"));

    List<Assignment> assignmentsSection3 = section3.getAssignments();
    Assert.assertEquals(2, assignmentsSection3.size());

    Assignment templateSynchedSection3a = assignmentsSection3.get(0).getTemplateReference();
    Assignment templateSynchedSection3b = assignmentsSection3.get(1).getTemplateReference();
    Assert.assertTrue(
        assignment3_1.equals(templateSynchedSection3a)
            || assignment3_1.equals(templateSynchedSection3b));
    Assert.assertTrue(
        assignment2_1.equals(templateSynchedSection3a)
            || assignment2_1.equals(templateSynchedSection3b));
  }
  @Test
  public void deleteSynchedBinder() {
    Identity owner = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-12");
    Identity id = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-13");
    RepositoryEntry templateEntry = createTemplate(owner, "Template", "TE");
    dbInstance.commitAndCloseSession();

    // get section
    Binder templateBinder = portfolioService.getBinderByResource(templateEntry.getOlatResource());
    SectionRef sectionRef = portfolioService.getSections(templateBinder).get(0);
    dbInstance.commit();

    // make 2 assignments
    Section templateSection = portfolioService.getSection(sectionRef);
    Assignment assignment_1 =
        portfolioService.addAssignment(
            "1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection,
            false,
            false,
            false,
            null);
    Assignment assignment_2 =
        portfolioService.addAssignment(
            "2 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection,
            false,
            false,
            false,
            null);
    dbInstance.commit();
    List<Assignment> templateAssignments = portfolioService.getAssignments(templateBinder, null);
    Assert.assertEquals(2, templateAssignments.size());

    // synched and check the sections order
    Binder binder = portfolioService.assignBinder(id, templateBinder, templateEntry, null, null);
    SynchedBinder synchedBinder = portfolioService.loadAndSyncBinder(binder);
    binder = synchedBinder.getBinder();
    dbInstance.commitAndCloseSession();

    List<Assignment> assignments = portfolioService.getAssignments(binder, null);
    Assignment startedAssignment_1 = portfolioService.startAssignment(assignments.get(0), id);
    Assignment startedAssignment_2 = portfolioService.startAssignment(assignments.get(1), id);
    Long startedPageKey_1 = startedAssignment_1.getPage().getKey();
    Long startedPageKey_2 = startedAssignment_2.getPage().getKey();
    dbInstance.commitAndCloseSession();

    // add some comments
    OLATResourceable startedPageOres_1 =
        OresHelper.createOLATResourceableInstance(Page.class, startedPageKey_1);
    userCommentsDao.createComment(id, startedPageOres_1, null, "Hello");

    // delete
    boolean deleted = portfolioService.deleteBinder(binder);
    dbInstance.commit();
    Assert.assertTrue(deleted);

    // check that the template is save
    Assignment reloadAssignment_1 = assignmentDao.loadAssignmentByKey(assignment_1.getKey());
    Assert.assertNotNull(reloadAssignment_1);
    Assignment reloadAssignment_2 = assignmentDao.loadAssignmentByKey(assignment_2.getKey());
    Assert.assertNotNull(reloadAssignment_2);

    // check that the binder is really deleted
    Binder reloadedBinder = binderDao.loadByKey(binder.getKey());
    Assert.assertNull(reloadedBinder);

    Assignment reloadStartedAssignment_1 =
        assignmentDao.loadAssignmentByKey(startedAssignment_1.getKey());
    Assert.assertNull(reloadStartedAssignment_1);
    Assignment reloadStartedAssignment_2 =
        assignmentDao.loadAssignmentByKey(startedAssignment_2.getKey());
    Assert.assertNull(reloadStartedAssignment_2);

    Page reloadedStartedPage_1 = pageDao.loadByKey(startedPageKey_1);
    Assert.assertNull(reloadedStartedPage_1);
    Page reloadedStartedPage_2 = pageDao.loadByKey(startedPageKey_2);
    Assert.assertNull(reloadedStartedPage_2);
  }
  @Test
  public void removeAssignment_usedOne() {
    Identity owner = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-10");
    Identity id = JunitTestHelper.createAndPersistIdentityAsRndUser("port-u-11");
    RepositoryEntry templateEntry = createTemplate(owner, "Template", "TE");
    dbInstance.commitAndCloseSession();

    // make 2 sections
    Binder templateBinder = portfolioService.getBinderByResource(templateEntry.getOlatResource());
    SectionRef sectionRef = portfolioService.getSections(templateBinder).get(0);
    dbInstance.commit();

    // make 4 assignments
    Section templateSection = portfolioService.getSection(sectionRef);
    Assignment assignment_1 =
        portfolioService.addAssignment(
            "1 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection,
            false,
            false,
            false,
            null);
    Assignment assignment_2 =
        portfolioService.addAssignment(
            "2 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection,
            false,
            false,
            false,
            null);
    Assignment assignment_3 =
        portfolioService.addAssignment(
            "3 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection,
            false,
            false,
            false,
            null);
    Assignment assignment_4 =
        portfolioService.addAssignment(
            "4 Assignment",
            "",
            "",
            AssignmentType.essay,
            templateSection,
            false,
            false,
            false,
            null);
    dbInstance.commit();
    List<Assignment> templateAssignments = portfolioService.getAssignments(templateBinder, null);
    Assert.assertEquals(4, templateAssignments.size());
    Assert.assertTrue(templateAssignments.contains(assignment_1));
    Assert.assertTrue(templateAssignments.contains(assignment_2));
    Assert.assertTrue(templateAssignments.contains(assignment_3));
    Assert.assertTrue(templateAssignments.contains(assignment_4));

    // synched and check the sections order
    Binder binder = portfolioService.assignBinder(id, templateBinder, templateEntry, null, null);
    SynchedBinder synchedBinder = portfolioService.loadAndSyncBinder(binder);
    binder = synchedBinder.getBinder();
    dbInstance.commitAndCloseSession();

    List<Assignment> assignments = portfolioService.getAssignments(binder, null);
    portfolioService.startAssignment(assignments.get(0), id);
    portfolioService.startAssignment(assignments.get(1), id);
    portfolioService.startAssignment(assignments.get(2), id);
    portfolioService.startAssignment(assignments.get(3), id);
    dbInstance.commit();

    List<Section> sections = portfolioService.getSections(binder);
    List<Page> pages = portfolioService.getPages(sections.get(0));
    Assert.assertEquals(4, pages.size());

    // delete an assignment
    boolean ok = portfolioService.deleteAssignment(assignment_3);
    Assert.assertTrue(ok);
    dbInstance.commitAndCloseSession();

    // sync the binder
    SynchedBinder reSynchedBinder = portfolioService.loadAndSyncBinder(binder);
    binder = reSynchedBinder.getBinder();
    dbInstance.commitAndCloseSession();

    // deleting an assignment doesn't delete the pages
    List<Page> allPages = portfolioService.getPages(sections.get(0));
    Assert.assertEquals(4, allPages.size());

    // sync twice
    SynchedBinder reReSynchedBinder = portfolioService.loadAndSyncBinder(binder);
    binder = reReSynchedBinder.getBinder();
    dbInstance.commitAndCloseSession();
  }