#!/usr/bin/env python # -*- coding: utf-8 -*- # Copyright (C) 2015-2017 Étienne Loks # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as # published by the Free Software Foundation, either version 3 of the # License, or (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . # See the file COPYING for details. import json from django.conf import settings from django.contrib.auth.models import User, Permission from django.core.files import File from django.core.files.uploadedfile import SimpleUploadedFile from django.core.urlresolvers import reverse from django.test.client import Client from ishtar_common.models import ImporterType, IshtarUser, ImporterColumn,\ FormaterType, ImportTarget, IshtarSiteProfile, ProfileType from ishtar_common.models import Person, get_current_profile, UserProfile, \ Town, Area, Document from archaeological_context_records.models import Period, Dating, ContextRecord from archaeological_finds import models, views from archaeological_warehouse.models import Warehouse, WarehouseType from ishtar_common import forms_common from ishtar_common.tests import WizardTest, WizardTestFormData as FormData, \ TestCase, create_user, create_superuser from archaeological_operations.tests import ImportTest, create_operation from archaeological_context_records.tests import ContextRecordInit, \ CONTEXT_RECORD_FIXTURES, CONTEXT_RECORD_TOWNS_FIXTURES FIND_FIXTURES = CONTEXT_RECORD_FIXTURES + [ settings.ROOT_PATH + '../archaeological_finds/fixtures/initial_data-fr.json', ] FIND_TOWNS_FIXTURES = CONTEXT_RECORD_TOWNS_FIXTURES + [ settings.ROOT_PATH + '../archaeological_finds/fixtures/initial_data-fr.json', ] WAREHOUSE_FIXTURES = FIND_FIXTURES + [ settings.ROOT_PATH + '../archaeological_warehouse/fixtures/initial_data-fr.json', ] class FindInit(ContextRecordInit): test_context_records = False def create_finds(self, data_base={}, data={}, user=None, force=False): if not getattr(self, 'finds', None): self.finds = [] if not getattr(self, 'base_finds', None): self.base_finds = [] default = {'label': "Base find"} if user: data_base['history_modifier'] = user elif not data_base.get('history_modifier') or not data_base[ 'history_modifier'].pk: user = self.get_default_user() user.save() data_base['history_modifier'] = user if force or not data_base.get('context_record'): data_base['context_record'] = self.get_default_context_record( force=force, user=user) default.update(data_base) base_find = models.BaseFind.objects.create(**default) self.base_finds.append(base_find) data["history_modifier"] = data_base["history_modifier"] find = models.Find.objects.create(**data) find.base_finds.add(base_find) self.finds.append(find) return self.finds, self.base_finds def get_default_find(self, force=False): finds, base_finds = self.create_finds(force=force) if force: return finds[-1], base_finds[-1] return finds[0], base_finds[0] def tearDown(self): super(FindInit, self).tearDown() if hasattr(self, 'finds'): for f in self.finds: try: f.delete() except: pass self.finds = [] if hasattr(self, 'base_finds'): for f in self.base_finds: try: f.delete() except: pass self.base_find = [] class FindWizardCreationTest(WizardTest, FindInit, TestCase): fixtures = WAREHOUSE_FIXTURES url_name = 'find_creation' wizard_name = 'find_wizard' steps = views.find_creation_steps form_datas = [ FormData( 'Find creation', form_datas={ 'selecrecord-find_creation': {'pk': 1}, 'find-find_creation': { 'label': 'hop', 'checked': 'NC', 'check_date': '2016-01-01' }, 'dating-find_creation': [ { 'period': None, 'start_date': '0', 'end_date': '200', }, { 'period': None, 'start_date': '0', 'end_date': '200', } ] }, ignored=['preservation-find_creation'] ) ] def pre_wizard(self): cr = self.create_context_record( data={'parcel': self.create_parcel()[-1]}, force=True)[-1] self.form_datas[0].form_datas['selecrecord-find_creation']['pk'] = \ cr.pk period = Period.objects.all()[0].pk self.form_datas[0].form_datas['dating-find_creation'][0]['period'] = \ period self.form_datas[0].form_datas['dating-find_creation'][1]['period'] = \ period self.find_number = models.Find.objects.count() self.basefind_number = models.BaseFind.objects.count() super(FindWizardCreationTest, self).pre_wizard() def post_wizard(self): self.assertEqual(models.BaseFind.objects.count(), self.basefind_number + 1) self.assertEqual(models.Find.objects.count(), self.find_number + 1) # identical datings, only one should be finaly save f = models.Find.objects.order_by("-pk").all()[0] self.assertEqual(f.datings.count(), 1) class FindWizardDeletionWithWarehouseModTest(WizardTest, FindInit, TestCase): fixtures = WAREHOUSE_FIXTURES url_name = 'find_deletion' wizard_name = 'find_deletion_wizard' steps = views.find_deletion_steps form_datas = [ FormData( 'Find deletion', form_datas={ 'selecw': {}, }, ignored=['selec-find_deletion'] ) ] def pre_wizard(self): profile, created = IshtarSiteProfile.objects.get_or_create( slug='default', active=True) profile.warehouse = True profile.save() find, bf = self.get_default_find(force=True) self.form_datas[0].set('selecw', 'pk', find.pk) self.find_number = models.Find.objects.count() super(FindWizardDeletionWithWarehouseModTest, self).pre_wizard() def post_wizard(self): self.assertEqual(models.Find.objects.count(), self.find_number - 1) class TreatmentWizardCreationTest(WizardTest, FindInit, TestCase): fixtures = WAREHOUSE_FIXTURES url_name = 'treatment_creation' wizard_name = 'treatment_wizard' steps = views.treatment_wizard_steps form_datas = [ FormData( 'Move treament', form_datas={ 'file': {}, 'basetreatment': { 'treatment_type': None, 'person': 1, # doer 'location': 1, # associated warehouse 'year': 2016, 'target_is_basket': False }, 'selecfind': { 'pk': 1, 'resulting_pk': 1 } }, ignored=('resultfind-treatment_creation', 'selecbasket-treatment_creation', 'resultfinds-treatment_creation')) ] def pre_wizard(self): q = Warehouse.objects.filter(pk=1) if not q.count(): warehouse = Warehouse.objects.create( name="default", warehouse_type=WarehouseType.objects.all()[0]) warehouse.id = 1 warehouse.save() q = Person.objects.filter(pk=1) if not q.count(): person = Person.objects.create(name="default") person.id = 1 person.save() trt_type = models.TreatmentType.objects.get(txt_idx='moving') self.form_datas[0].set('basetreatment', 'treatment_type', trt_type.pk) self.find, base_find = self.get_default_find(force=True) self.form_datas[0].form_datas['selecfind'][ 'pk'] = self.find.pk self.form_datas[0].form_datas['selecfind'][ 'resulting_pk'] = self.find.pk self.treatment_number = models.Treatment.objects.count() super(TreatmentWizardCreationTest, self).pre_wizard() def post_wizard(self): self.assertEqual(models.Treatment.objects.count(), self.treatment_number + 1) treat = models.Treatment.objects.order_by('-pk').all()[0] self.find = models.Find.objects.get(pk=self.find.pk) self.assertEqual(models.Find.objects.filter( upstream_treatment=treat).count(), 1) self.assertEqual(self.find.downstream_treatment, treat) class ImportFindTest(ImportTest, TestCase): fixtures = FIND_TOWNS_FIXTURES def test_mcc_import_finds(self): self.init_context_record() old_nb = models.BaseFind.objects.count() old_nb_find = models.Find.objects.count() MCC = ImporterType.objects.get(name=u"MCC - Mobilier") col = ImporterColumn.objects.create(col_number=25, importer_type_id=MCC.pk) formater = FormaterType.objects.filter( formater_type='FileFormater').all()[0] ImportTarget.objects.create(target='documents__image', formater_type_id=formater.pk, column_id=col.pk) mcc_file = open( settings.ROOT_PATH + '../archaeological_finds/tests/MCC-finds-example.csv', 'rb') mcc_images = open( settings.ROOT_PATH + '../archaeological_finds/tests/images.zip', 'rb') file_dict = {'imported_file': SimpleUploadedFile(mcc_file.name, mcc_file.read()), 'imported_images': SimpleUploadedFile(mcc_images.name, mcc_images.read())} post_dict = {'importer_type': MCC.pk, 'skip_lines': 1, "encoding": 'utf-8', "name": 'init_find_import'} form = forms_common.NewImportForm(data=post_dict, files=file_dict, user=self.user) form.is_valid() self.assertTrue(form.is_valid()) impt = form.save(self.ishtar_user) impt.initialize() # doing manual connections ceram = models.MaterialType.objects.get(txt_idx='ceramic').pk glass = models.MaterialType.objects.get(txt_idx='glass').pk self.set_target_key('material_types', 'terre-cuite', ceram) self.set_target_key('material_types', 'verre', glass) impt.importation() # new finds has now been imported current_nb = models.BaseFind.objects.count() self.assertEqual(current_nb, (old_nb + 4)) current_nb = models.Find.objects.count() self.assertEqual(current_nb, (old_nb_find + 4)) self.assertEqual( models.Find.objects.filter(material_types__pk=ceram).count(), 4) self.assertEqual( models.Find.objects.filter(material_types__pk=glass).count(), 1) images = [] for find in models.Find.objects.all(): images += [im.image for im in find.images.all() if im.image.name] self.assertEqual(len(images), 1) # check index bfs = list(models.BaseFind.objects.order_by("-pk").all()) for idx in range(4): bf = bfs[idx] expected_index = 4 - idx self.assertEqual( bf.index, expected_index, "Bad index for imported base find: {} where {} is " "expected".format(bf.index, expected_index)) f = bf.find.all()[0] self.assertEqual( f.index, expected_index, "Bad index for imported find: {} where {} is expected".format( f.index, expected_index )) class FindTest(FindInit, TestCase): fixtures = FIND_FIXTURES model = models.Find def setUp(self): self.create_finds(force=True) self.password = 'mypassword' self.username = 'myuser' User.objects.create_superuser(self.username, 'myemail@test.com', self.password) self.client = Client() self.client.login(username=self.username, password=self.password) def testExternalID(self): find = self.finds[0] base_find = find.base_finds.all()[0] self.assertEqual( find.external_id, u"{}-{}".format( find.get_first_base_find().context_record.external_id, find.label)) self.assertEqual( base_find.external_id, u"{}-{}".format( base_find.context_record.external_id, base_find.label)) base_find.label = "New label" base_find.save() base_find = models.BaseFind.objects.get(pk=base_find.pk) self.assertEqual( base_find.external_id, u"{}-{}".format( base_find.context_record.external_id, "New label")) cr = ContextRecord.objects.get(pk=base_find.context_record.pk) cr.label = "new-label-too" cr.skip_history_when_saving = True cr.save() base_find = models.BaseFind.objects.get(pk=base_find.pk) find = models.Find.objects.get(pk=find.pk) cr = ContextRecord.objects.get(pk=cr.pk) self.assertIn("new-label-too", find.external_id) self.assertIn("new-label-too", base_find.external_id) cr.operation.code_patriarche = "PAT" cr.operation.skip_history_when_saving = True cr.operation.save() base_find = models.BaseFind.objects.get(pk=base_find.pk) find = models.Find.objects.get(pk=find.pk) cr = ContextRecord.objects.get(pk=cr.pk) self.assertIn("PAT", find.external_id) self.assertIn("PAT", base_find.external_id) def testIndex(self): profile = get_current_profile() profile.find_index = u"O" profile.save() profile = get_current_profile(force=True) op1 = self.create_operation()[-1] op2 = self.create_operation()[-1] op1_cr1 = self.create_context_record(data={'label': "CR1", 'operation': op1})[-1] op1_cr2 = self.create_context_record(data={'label': "CR2", 'operation': op1})[-1] op2_cr1 = self.create_context_record(data={'label': "CR3", 'operation': op2})[-1] self.create_finds(data_base={'context_record': op1_cr1}) find_1 = self.finds[-1] bf_1 = models.BaseFind.objects.get(pk=self.base_finds[-1].pk) self.assertEqual(find_1.index, 1) self.assertEqual(bf_1.index, 1) # index is based on operations self.create_finds(data_base={'context_record': op1_cr2}) find_2 = self.finds[-1] bf_2 = models.BaseFind.objects.get(pk=self.base_finds[-1].pk) self.assertEqual(find_2.index, 2) self.assertEqual(bf_2.index, 2) self.create_finds(data_base={'context_record': op2_cr1}) find_3 = self.finds[-1] bf_3 = models.BaseFind.objects.get(pk=self.base_finds[-1].pk) self.assertEqual(find_3.index, 1) self.assertEqual(bf_3.index, 1) profile = get_current_profile(force=True) profile.find_index = u"CR" profile.save() profile = get_current_profile(force=True) op3 = self.create_operation()[-1] op3_cr1 = self.create_context_record(data={'label': "CR1", 'operation': op3})[-1] op3_cr2 = self.create_context_record(data={'label': "CR2", 'operation': op3})[-1] self.create_finds(data_base={'context_record': op3_cr1}) find_1b = self.finds[-1] bf_1b = models.BaseFind.objects.get(pk=self.base_finds[-1].pk) self.assertEqual(find_1b.index, 1) self.assertEqual(bf_1b.index, 1) # index now based on context records self.create_finds(data_base={'context_record': op3_cr2}) find_2b = self.finds[-1] bf_2b = models.BaseFind.objects.get(pk=self.base_finds[-1].pk) self.assertEqual(find_2b.index, 1) self.assertEqual(bf_2b.index, 1) self.create_finds(data_base={'context_record': op3_cr2}) find_3b = self.finds[-1] bf_3b = models.BaseFind.objects.get(pk=self.base_finds[-1].pk) self.assertEqual(find_3b.index, 2) self.assertEqual(bf_3b.index, 2) def test_show(self): obj = self.finds[0] response = self.client.get(reverse('display-find', args=[obj.pk])) self.assertEqual(response.status_code, 200) self.assertIn('load_window("/show-find/{}/");'.format(obj.pk), response.content) c = Client() response = c.get(reverse('show-find', kwargs={'pk': obj.pk})) # empty content when not allowed self.assertRedirects(response, "/") c.login(username=self.username, password=self.password) response = self.client.get(reverse('show-find', kwargs={'pk': obj.pk})) self.assertEqual(response.status_code, 200) self.assertIn('class="card sheet"', response.content) def test_delete(self): self.create_finds(force=True) first_bf = self.base_finds[0] self.finds[1].base_finds.add(first_bf) self.finds[0].delete() # on delete the selected base find is not deleted if another find # is related to it self.assertEqual(models.BaseFind.objects.filter( pk=self.base_finds[0].pk).count(), 1) self.finds[1].delete() self.assertEqual(models.BaseFind.objects.filter( pk=self.base_finds[0].pk).count(), 0) class FindSearchTest(FindInit, TestCase): fixtures = FIND_FIXTURES model = models.Find def setUp(self): self.create_finds(force=True) self.username = 'myuser' self.password = 'mypassword' User.objects.create_superuser(self.username, 'myemail@test.com', self.password) self.client = Client() def testMaterialTypeHierarchicSearch(self): find = self.finds[0] c = Client() metal = models.MaterialType.objects.get(txt_idx='metal') iron_metal = models.MaterialType.objects.get(txt_idx='iron_metal') not_iron_metal = models.MaterialType.objects.get( txt_idx='not_iron_metal') find.material_types.add(iron_metal) search = {'material_types': iron_metal.pk} # no result when no authentication response = c.get(reverse('get-find'), search) self.assertRedirects(response, "/") c.login(username=self.username, password=self.password) # one result for exact search response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) res = json.loads(response.content) self.assertTrue(res['recordsTotal'] == 1) self.assertEqual(res["rows"][0]["material_types__label"], unicode(iron_metal)) # no result for the brother search = {'material_types': not_iron_metal.pk} response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertTrue(json.loads(response.content)['recordsTotal'] == 0) # one result for the father search = {'material_types': metal.pk} response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertTrue(json.loads(response.content)['recordsTotal'] == 1) def test_pinned_search(self): c = Client() c.login(username=self.username, password=self.password) # operation with no associated find operation = create_operation(self.user, values={"year": 2017}) c.get(reverse("pin", args=["operation", operation.pk])) response = c.get(reverse('get-find'), {}) # empty search -> check pined self.assertEqual(response.status_code, 200) self.assertEqual(json.loads(response.content)['recordsTotal'], 0) # pinned operation with current find find = self.finds[0] c.get(reverse( "pin", args=["operation", find.get_first_base_find().context_record.operation.pk])) response = c.get(reverse('get-find'), {}) # empty search -> check pined self.assertEqual(response.status_code, 200) self.assertEqual(json.loads(response.content)['recordsTotal'], 1) def test_period_hierarchic_search(self): find = self.finds[0] c = Client() neo = Period.objects.get(txt_idx='neolithic') final_neo = Period.objects.get(txt_idx='final-neolithic') recent_neo = Period.objects.get(txt_idx='recent-neolithic') dating = Dating.objects.create( period=final_neo ) find.datings.add(dating) search = {'datings__period': final_neo.pk} # no result when no authentication response = c.get(reverse('get-find'), search) self.assertRedirects(response, "/") # one result for exact search c.login(username=self.username, password=self.password) response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) res = json.loads(response.content) self.assertTrue(res['recordsTotal'] == 1) self.assertEqual(res["rows"][0]["datings__period__label"], unicode(final_neo)) # no result for the brother search = {'datings__period': recent_neo.pk} response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertEqual(json.loads(response.content)['recordsTotal'], 0) # one result for the father search = {'datings__period': neo.pk} response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertEqual(json.loads(response.content)['recordsTotal'], 1) def test_conservatory_state_hierarchic_search(self): find = self.finds[0] c = Client() cs1 = models.ConservatoryState.objects.all()[0] cs1.parent = None cs1.save() cs2 = models.ConservatoryState.objects.all()[1] cs2.parent = cs1 cs2.save() cs3 = models.ConservatoryState.objects.all()[2] cs3.parent = cs1 cs3.save() find.conservatory_state = cs2 find.save() search = {'conservatory_state': cs2.pk} # no result when no authentication response = c.get(reverse('get-find'), search) self.assertRedirects(response, "/") c.login(username=self.username, password=self.password) # one result for exact search response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertTrue(json.loads(response.content)['recordsTotal'] == 1) # no result for the brother search = {'conservatory_state': cs3.pk} response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertTrue(json.loads(response.content)['recordsTotal'] == 0) # one result for the father search = {'conservatory_state': cs1.pk} response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) self.assertTrue(json.loads(response.content)['recordsTotal'] == 1) def test_image_search(self): c = Client() c.login(username=self.username, password=self.password) search = {'documents__image__isnull': 2} # 2 for nullboolfield is None response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) res = json.loads(response.content) self.assertEqual(res['recordsTotal'], 0) # add an image to the first find image = Document.objects.create(title="Image!") img = settings.ROOT_PATH + \ '../ishtar_common/static/media/images/ishtar-bg.jpg' image.image.save('ishtar-bg.jpg', File(open(img))) self.finds[0].documents.add(image) self.finds[0].save() response = c.get(reverse('get-find'), search) self.assertEqual(response.status_code, 200) res = json.loads(response.content) self.assertEqual(res['recordsTotal'], 1) class FindPermissionTest(FindInit, TestCase): fixtures = FIND_FIXTURES model = models.Find def setUp(self): self.username, self.password, self.user = create_superuser() self.alt_username, self.alt_password, self.alt_user = create_user() self.alt_user.user_permissions.add(Permission.objects.get( codename='view_own_find')) self.alt_user.user_permissions.add(Permission.objects.get( codename='change_own_find')) self.alt_username2, self.alt_password2, self.alt_user2 = create_user( username='luke', password='iamyourfather' ) profile = UserProfile.objects.create( profile_type=ProfileType.objects.get(txt_idx='collaborator'), person=self.alt_user2.ishtaruser.person, current=True ) town = Town.objects.create(name='Tatouine', numero_insee='66000') area = Area.objects.create(label='Galaxie', txt_idx='galaxie') area.towns.add(town) profile.areas.add(area) self.orgas = self.create_orgas(self.user) self.create_operation(self.user, self.orgas[0]) self.create_operation(self.alt_user, self.orgas[0]) self.create_context_record( user=self.user, data={"label": u"CR 1", "operation": self.operations[0]}) self.create_context_record( user=self.alt_user, data={"label": u"CR 2", "operation": self.operations[1]}) self.cr_1 = self.context_records[-2] self.cr_2 = self.context_records[-1] self.create_finds(data_base={'context_record': self.cr_1}, user=self.user, force=True) self.create_finds(data_base={'context_record': self.cr_2}, user=self.alt_user, force=True) self.find_1 = self.finds[-2] self.find_2 = self.finds[-1] self.operations[-1].towns.add(town) def test_own_search(self): # no result when no authentification c = Client() response = c.get(reverse('get-find')) self.assertTrue(not response.content or not json.loads(response.content)) # possession c = Client() c.login(username=self.alt_username, password=self.alt_password) response = c.get(reverse('get-find')) # only one "own" context record available self.assertTrue(json.loads(response.content)) self.assertEqual(json.loads(response.content)['recordsTotal'], 1) # area filter c = Client() c.login(username=self.alt_username2, password=self.alt_password2) response = c.get(reverse('get-find')) # only one "own" operation available self.assertTrue(json.loads(response.content)) self.assertEqual(json.loads(response.content)['recordsTotal'], 1) class PackagingTest(FindInit, TestCase): fixtures = FIND_FIXTURES model = models.Find def setUp(self): img = settings.ROOT_PATH + \ '../ishtar_common/static/media/images/ishtar-bg.jpg' self.create_finds(data_base={"label": u"Find 1"}, force=True) self.create_finds(data_base={"label": u"Find 2"}, force=True) image = Document.objects.create(title="Image!") image.image.save('ishtar-bg.jpg', File(open(img))) self.finds[0].documents.add(image) self.finds[0].save() self.basket = models.FindBasket.objects.create( label="My basket", user=IshtarUser.objects.get( pk=self.get_default_user().pk)) self.other_basket = models.FindBasket.objects.create( label="My other basket", user=IshtarUser.objects.get( pk=self.get_default_user().pk)) for find in self.finds: self.basket.items.add(find) self.other_basket.items.add(find) def testPackaging(self): treatment_type = models.TreatmentType.objects.get(txt_idx='packaging') treatment = models.Treatment() items_nb = models.Find.objects.count() first_find = self.finds[0] treatment.save(user=self.get_default_user(), items=self.basket) self.assertEqual(items_nb + self.basket.items.count(), models.Find.objects.count(), msg="Packaging doesn't generate enough new finds") treatment.treatment_types.add(treatment_type) resulting_find = models.Find.objects.get( upstream_treatment__upstream=first_find, base_finds__pk=first_find.base_finds.all()[0].pk ) # image names used to be altered on save: check for this bug self.assertEqual( resulting_find.documents.all()[0].title, models.Find.objects.get(pk=first_find.pk).documents.all()[0].title ) # new version of the find is in the basket for item in self.basket.items.all(): self.assertNotIn( item, self.finds, msg="Original basket have not been upgraded after packaging") for item in self.other_basket.items.all(): self.assertNotIn( item, self.finds, msg="Other basket have not been upgraded after packaging") def test_delete(self): # manage treatment deletion treatment_type = models.TreatmentType.objects.get(txt_idx='packaging') treatment = models.Treatment() initial_find = self.finds[0] treatment.save(user=self.get_default_user(), items=self.basket) treatment.treatment_types.add(treatment_type) resulting_find = models.Find.objects.get( upstream_treatment__upstream=initial_find, base_finds__pk=initial_find.base_finds.all()[0].pk ) resulting_find.delete() self.assertEqual( models.Treatment.objects.filter(pk=treatment.pk).count(), 0) q = models.Find.objects.filter(pk=initial_find.pk) # initial find not deleted self.assertEqual(q.count(), 1) initial_find = q.all()[0] self.assertEqual(initial_find.upstream_treatment, None)