### Question:
TeacherToSubStudentEntityValidator extends AbstractContextValidator { @Override public boolean canValidate(String entityType, boolean through) { return isTeacher() && isSubEntityOfStudent(entityType); }  @Override boolean canValidate(String entityType, boolean through); @SuppressWarnings("unchecked") @Override Set<String> validate(String entityType, Set<String> ids); void setRepo(PagingRepositoryDelegate<Entity> repo); void setTeacherToStudentValidator(TeacherToStudentValidator teacherToStudentValidator); @Override SecurityUtil.UserContext getContext();  }### Answer:
@Test public void testCanValidateTeacherToAttendance() throws Exception { assertTrue(validator.canValidate(EntityNames.ATTENDANCE, false)); }
@Test public void testCanValidateTeacherToDisciplineAction() throws Exception { assertTrue(validator.canValidate(EntityNames.DISCIPLINE_ACTION, false)); }
@Test public void testCanValidateTeacherToStudentAcademicRecord() throws Exception { assertTrue(validator.canValidate(EntityNames.STUDENT_ACADEMIC_RECORD, false)); }
@Test public void testCanValidateTeacherToStudentAssessment() throws Exception { assertTrue(validator.canValidate(EntityNames.STUDENT_ASSESSMENT, false)); }
@Test public void testCanValidateTeacherToStudentDisciplineIncident() throws Exception { assertTrue(validator.canValidate(EntityNames.STUDENT_DISCIPLINE_INCIDENT_ASSOCIATION, false)); }
@Test public void testCanValidateTeacherToStudentGradebookEntry() throws Exception { assertTrue(validator.canValidate(EntityNames.STUDENT_GRADEBOOK_ENTRY, false)); }
@Test public void testCanValidateTeacherToStudentSchoolAssociation() throws Exception { assertTrue(validator.canValidate(EntityNames.STUDENT_SCHOOL_ASSOCIATION, false)); }
@Test public void testCanValidateTeacherToStudentSectionAssociation() throws Exception { assertTrue(validator.canValidate(EntityNames.STUDENT_SECTION_ASSOCIATION, false)); }
@Test public void testCanNotValidateOtherEntities() throws Exception { assertFalse(validator.canValidate(EntityNames.STUDENT, false)); }