@Test
  public void testTimestamps() throws Exception {

    // 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);

    DateTime created = new DateTime(saved.getMetaData().get(EntityMetadataKey.CREATED.getKey()));
    DateTime updated = new DateTime(saved.getMetaData().get(EntityMetadataKey.UPDATED.getKey()));

    assertEquals(created, updated);

    saved.getBody().put("cityOfBirth", "Evanston");

    // Needs to be here to prevent cases where code execution is so fast,
    // there
    // is no difference between create/update times
    Thread.sleep(2);

    repository.update("student", saved, false);

    updated = new DateTime(saved.getMetaData().get(EntityMetadataKey.UPDATED.getKey()));

    assertTrue(updated.isAfter(created));
  }
  @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 testNeedsId() {

    Entity e = new MongoEntity("student", buildTestStudentEntity());
    assertFalse(repository.update("student", e, false));
  }
  @Test
  public void testSchoolLineage() {
    NeutralQuery query = null;

    repository.deleteAll(EntityNames.EDUCATION_ORGANIZATION, null);

    DBObject indexKeys = new BasicDBObject("body." + ParameterConstants.STATE_ORGANIZATION_ID, 1);
    mongoTemplate.getCollection(EntityNames.EDUCATION_ORGANIZATION).ensureIndex(indexKeys);
    mongoTemplate
        .getCollection(EntityNames.EDUCATION_ORGANIZATION)
        .ensureIndex(new BasicDBObject("metaData.edOrgs", 1), new BasicDBObject("sparse", true));

    // Add a school
    Entity school = createEducationOrganizationEntity("school1", "school", "School", null);
    Set<String> expectedEdOrgs = new HashSet();
    expectedEdOrgs.add(school.getEntityId());
    assertTrue(
        "School not found in lineage.", schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Add an SEA
    Entity sea =
        createEducationOrganizationEntity(
            "sea1", "stateEducationAgency", "State Education Agency", null);
    assertTrue(
        "After adding SEA expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Add an LEA
    List<String> parentRefs = new ArrayList<String>(Arrays.asList(sea.getEntityId()));
    Entity lea =
        createEducationOrganizationEntity(
            "lea1", "localEducationAgency", "Local Education Agency", parentRefs);
    assertTrue(
        "After adding LEA expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // doUpdate School parent ref to LEA
    List<String> parentRefsUpdate = new ArrayList<String>(Arrays.asList(lea.getEntityId()));
    query =
        new NeutralQuery(
            new NeutralCriteria("_id", NeutralCriteria.OPERATOR_EQUAL, school.getEntityId()));
    Update update =
        new Update()
            .set("body." + ParameterConstants.PARENT_EDUCATION_AGENCY_REFERENCE, parentRefsUpdate);
    repository.doUpdate(EntityNames.EDUCATION_ORGANIZATION, query, update);
    expectedEdOrgs.add(lea.getEntityId());
    expectedEdOrgs.add(sea.getEntityId());
    assertTrue(
        "After updating school parent ref expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Patch LEA parent ref to an undefined id
    List<String> parentRefsPatch = new ArrayList<String>(Arrays.asList("undefinedId"));
    Map<String, Object> newValues = new HashMap<String, Object>();
    newValues.put(ParameterConstants.PARENT_EDUCATION_AGENCY_REFERENCE, parentRefsPatch);
    repository.patch(
        "localEducationEntity", EntityNames.EDUCATION_ORGANIZATION, lea.getEntityId(), newValues);
    expectedEdOrgs.remove(sea.getEntityId());
    assertTrue(
        "After updating school parent ref expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Update LEA to set parent ref back to SEA
    repository.update(EntityNames.EDUCATION_ORGANIZATION, lea, false);
    expectedEdOrgs.add(sea.getEntityId());
    assertTrue(
        "After updating school parent ref expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Delete LEA - lineage should be recalculated
    repository.delete(EntityNames.EDUCATION_ORGANIZATION, lea.getEntityId());
    expectedEdOrgs.remove(lea.getEntityId());
    expectedEdOrgs.remove(sea.getEntityId());
    assertTrue(
        "After deleting lea expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Insert LEA with no parent ref to SEA
    lea.getBody().remove(ParameterConstants.PARENT_EDUCATION_AGENCY_REFERENCE);
    Entity insertedLea =
        ((MongoEntityRepository) repository).insert(lea, EntityNames.EDUCATION_ORGANIZATION);
    expectedEdOrgs.add(lea.getEntityId());
    assertTrue(
        "After re-adding LEA with no parent ref expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // findAndUpdate School parent ref to SEA
    List<String> parentRefsSEA = new ArrayList<String>(Arrays.asList(sea.getEntityId()));
    query =
        new NeutralQuery(
            new NeutralCriteria("_id", NeutralCriteria.OPERATOR_EQUAL, school.getEntityId()));
    update =
        new Update()
            .set("body." + ParameterConstants.PARENT_EDUCATION_AGENCY_REFERENCE, parentRefsSEA);
    repository.findAndUpdate(EntityNames.EDUCATION_ORGANIZATION, query, update);
    expectedEdOrgs.remove(lea.getEntityId());
    expectedEdOrgs.add(sea.getEntityId());
    assertTrue(
        "After updating school parent ref to SEA, expected edOrgs not found in lineage.",
        schoolLineageIs(school.getEntityId(), expectedEdOrgs));

    // Clear lineage for negative tests
    clearSchoolLineage(school);

    // Create an unrelated entity type and make sure school lineage isn't recalculated
    repository.create("student", buildTestStudentEntity());
    assertTrue(
        "After adding a student lineage school lineage should not change.",
        schoolLineageIs(school.getEntityId(), new HashSet<String>()));

    // Patch an edOrg non-parent-ref and make sure school lineage isn't recalculated
    newValues = new HashMap<String, Object>();
    newValues.put("body.nameOfInstitution", "updatedName");
    repository.patch("school", EntityNames.EDUCATION_ORGANIZATION, school.getEntityId(), newValues);
    assertTrue(
        "Updating a school non-parent ref should not change school lineage.",
        schoolLineageIs(school.getEntityId(), new HashSet<String>()));

    mongoTemplate.getCollection(EntityNames.EDUCATION_ORGANIZATION).drop();
  }
 private void clearSchoolLineage(Entity school) {
   school.getMetaData().remove("edOrgs");
   repository.update(EntityNames.EDUCATION_ORGANIZATION, school, false);
 }