@Test
  public void testCRUDEntityRepository() {

    // clean up the existing student data
    repository.deleteAll("student", null);

    // create new student entity
    Map<String, Object> student = buildTestStudentEntity();

    // test save
    Entity saved = repository.create("student", student);
    String id = saved.getEntityId();
    assertTrue(!id.equals(""));

    // test findAll
    NeutralQuery neutralQuery = new NeutralQuery();
    neutralQuery.setOffset(0);
    neutralQuery.setLimit(20);
    Iterable<Entity> entities = repository.findAll("student", neutralQuery);
    assertNotNull(entities);
    Entity found = entities.iterator().next();
    assertEquals(found.getBody().get("birthDate"), student.get("birthDate"));
    assertEquals((found.getBody()).get("firstName"), "Jane");
    assertEquals((found.getBody()).get("lastName"), "Doe");

    // test find by id
    Entity foundOne = repository.findById("student", saved.getEntityId());
    assertNotNull(foundOne);
    assertEquals(foundOne.getBody().get("birthDate"), student.get("birthDate"));
    assertEquals((found.getBody()).get("firstName"), "Jane");

    // test update
    found.getBody().put("firstName", "Mandy");
    assertTrue(repository.update("student", found, false));
    entities = repository.findAll("student", neutralQuery);
    assertNotNull(entities);
    Entity updated = entities.iterator().next();
    assertEquals(updated.getBody().get("firstName"), "Mandy");

    // test delete by id
    Map<String, Object> student2Body = buildTestStudentEntity();
    Entity student2 = repository.create("student", student2Body);
    entities = repository.findAll("student", neutralQuery);
    assertNotNull(entities.iterator().next());
    repository.delete("student", student2.getEntityId());
    Entity zombieStudent = repository.findById("student", student2.getEntityId());
    assertNull(zombieStudent);

    assertFalse(repository.delete("student", student2.getEntityId()));

    // test deleteAll by entity type
    repository.deleteAll("student", null);
    entities = repository.findAll("student", neutralQuery);
    assertFalse(entities.iterator().hasNext());
  }
  @Test
  public void testFindIdsByQuery() {
    repository.deleteAll("student", null);
    repository.create("student", buildTestStudentEntity());
    repository.create("student", buildTestStudentEntity());
    repository.create("student", buildTestStudentEntity());
    repository.create("student", buildTestStudentEntity());
    repository.create("student", buildTestStudentEntity());
    NeutralQuery neutralQuery = new NeutralQuery();
    neutralQuery.setOffset(0);
    neutralQuery.setLimit(100);

    Iterable<String> ids = repository.findAllIds("student", neutralQuery);
    List<String> idList = new ArrayList<String>();
    for (String id : ids) {
      idList.add(id);
    }

    assertEquals(5, idList.size());
  }
  @SuppressWarnings("unchecked")
  @Test
  public void testSort() {

    // clean up the existing student data
    repository.deleteAll("student", null);

    // create new student entity
    Map<String, Object> body1 = buildTestStudentEntity();
    Map<String, Object> body2 = buildTestStudentEntity();
    Map<String, Object> body3 = buildTestStudentEntity();
    Map<String, Object> body4 = buildTestStudentEntity();

    body1.put("firstName", "Austin");
    body2.put("firstName", "Jane");
    body3.put("firstName", "Mary");
    body4.put("firstName", "Suzy");

    body1.put("performanceLevels", new String[] {"1"});
    body2.put("performanceLevels", new String[] {"2"});
    body3.put("performanceLevels", new String[] {"3"});
    body4.put("performanceLevels", new String[] {"4"});

    // save entities
    repository.create("student", body1);
    repository.create("student", body2);
    repository.create("student", body3);
    repository.create("student", body4);

    // sort entities by firstName with ascending order
    NeutralQuery sortQuery1 = new NeutralQuery();
    sortQuery1.setSortBy("firstName");
    sortQuery1.setSortOrder(NeutralQuery.SortOrder.ascending);
    sortQuery1.setOffset(0);
    sortQuery1.setLimit(100);

    Iterable<Entity> entities = repository.findAll("student", sortQuery1);
    assertNotNull(entities);
    Iterator<Entity> it = entities.iterator();
    assertEquals("Austin", it.next().getBody().get("firstName"));
    assertEquals("Jane", it.next().getBody().get("firstName"));
    assertEquals("Mary", it.next().getBody().get("firstName"));
    assertEquals("Suzy", it.next().getBody().get("firstName"));

    // sort entities by firstName with descending order
    NeutralQuery sortQuery2 = new NeutralQuery();
    sortQuery2.setSortBy("firstName");
    sortQuery2.setSortOrder(NeutralQuery.SortOrder.descending);
    sortQuery2.setOffset(0);
    sortQuery2.setLimit(100);
    entities = repository.findAll("student", sortQuery2);
    assertNotNull(entities);
    it = entities.iterator();
    assertEquals("Suzy", it.next().getBody().get("firstName"));
    assertEquals("Mary", it.next().getBody().get("firstName"));
    assertEquals("Jane", it.next().getBody().get("firstName"));
    assertEquals("Austin", it.next().getBody().get("firstName"));

    // sort entities by performanceLevels which is an array with ascending
    // order
    NeutralQuery sortQuery3 = new NeutralQuery();
    sortQuery3.setSortBy("performanceLevels");
    sortQuery3.setSortOrder(NeutralQuery.SortOrder.ascending);
    sortQuery3.setOffset(0);
    sortQuery3.setLimit(100);
    entities = repository.findAll("student", sortQuery3);
    assertNotNull(entities);
    it = entities.iterator();
    assertEquals("1", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
    assertEquals("2", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
    assertEquals("3", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
    assertEquals("4", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));

    // sort entities by performanceLevels which is an array with descending
    // order
    NeutralQuery sortQuery4 = new NeutralQuery();
    sortQuery4.setSortBy("performanceLevels");
    sortQuery4.setSortOrder(NeutralQuery.SortOrder.descending);
    sortQuery4.setOffset(0);
    sortQuery4.setLimit(100);
    entities = repository.findAll("student", sortQuery4);
    assertNotNull(entities);
    it = entities.iterator();
    assertEquals("4", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
    assertEquals("3", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
    assertEquals("2", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
    assertEquals("1", ((List<String>) (it.next().getBody().get("performanceLevels"))).get(0));
  }
  @Override
  public SLIPrincipal locate(
      String tenantId, String externalUserId, String userType, String clientId) {
    LOG.info("Locating user {}@{} of type: {}", new Object[] {externalUserId, tenantId, userType});
    SLIPrincipal user = new SLIPrincipal(externalUserId + "@" + tenantId);
    user.setExternalId(externalUserId);
    user.setTenantId(tenantId);
    user.setUserType(userType);

    TenantContext.setTenantId(tenantId);

    if (EntityNames.STUDENT.equals(userType)) {
      NeutralQuery neutralQuery =
          new NeutralQuery(
              new NeutralCriteria(
                  ParameterConstants.STUDENT_UNIQUE_STATE_ID,
                  NeutralCriteria.OPERATOR_EQUAL,
                  externalUserId));
      neutralQuery.setOffset(0);
      neutralQuery.setLimit(1);
      user.setEntity(repo.findOne(EntityNames.STUDENT, neutralQuery, true));
    } else if (EntityNames.PARENT.equals(userType)) {
      NeutralQuery neutralQuery =
          new NeutralQuery(
              new NeutralCriteria(
                  ParameterConstants.PARENT_UNIQUE_STATE_ID,
                  NeutralCriteria.OPERATOR_EQUAL,
                  externalUserId));
      neutralQuery.setOffset(0);
      neutralQuery.setLimit(1);
      user.setEntity(repo.findOne(EntityNames.PARENT, neutralQuery, true));
    } else if (isStaff(userType)) {

      NeutralQuery neutralQuery = new NeutralQuery();
      neutralQuery.setOffset(0);
      neutralQuery.setLimit(1);
      neutralQuery.addCriteria(
          new NeutralCriteria(
              ParameterConstants.STAFF_UNIQUE_STATE_ID,
              NeutralCriteria.OPERATOR_EQUAL,
              externalUserId));

      Iterable<Entity> staff = repo.findAll(EntityNames.STAFF, neutralQuery);

      if (staff != null && staff.iterator().hasNext()) {
        Entity entity = staff.iterator().next();
        Set<String> edorgs = edorgHelper.locateDirectEdorgs(entity);
        if (edorgs.size() == 0) {
          LOG.warn("User {} is not currently associated to a school/edorg", user.getId());
          throw new APIAccessDeniedException(
              "User is not currently associated to a school/edorg", user, clientId);
        }
        user.setEntity(entity);
      }
    }

    if (user.getEntity() == null) {
      LOG.warn("Failed to locate user {} in the datastore", user.getId());
      Entity entity =
          new MongoEntity(
              "user",
              SLIPrincipal.NULL_ENTITY_ID,
              new HashMap<String, Object>(),
              new HashMap<String, Object>());
      user.setEntity(entity);
    } else {
      LOG.info(
          "Matched user: {}@{} -> {}",
          new Object[] {externalUserId, tenantId, user.getEntity().getEntityId()});
    }

    return user;
  }