BTHLABS-61: Service layer refactoring

A journey to fix `ValidationError` in Pocket imports turned service
layer refactoring :D

services/backend/tests/ui/views/associations/test_delete.py

@@ -9,7 +9,7 @@ from django.urls import reverse
 import pytest
 from pytest_django import asserts
 
-from hotpocket_backend.apps.saves.models import Association
+from hotpocket_backend_testing.services.saves import AssociationsTestingService
 from hotpocket_common.constants import AssociationsSearchMode
 
 
@@ -35,9 +35,10 @@ def test_ok(authenticated_client: Client,
         fetch_redirect_response=False,
     )
 
-    association_object = Association.objects.get(pk=association_out.pk)
-    assert association_object.updated_at > association_out.updated_at
-    assert association_object.deleted_at is not None
+    AssociationsTestingService().assert_deleted(
+        pk=association_out.pk,
+        reference=association_out,
+    )
 
 
 @pytest.mark.django_db
@@ -65,6 +66,34 @@ def test_ok_htmx(authenticated_client: Client,
     assert result.json() == expected_payload
 
 
+@pytest.mark.django_db
+def test_ok_archived(authenticated_client: Client,
+                     archived_association_out,
+                     ):
+    # When
+    result = authenticated_client.post(
+        reverse('ui.associations.delete', args=(archived_association_out.pk,)),
+        data={
+            'canhazconfirm': 'hai',
+        },
+    )
+
+    # Then
+    asserts.assertRedirects(
+        result,
+        reverse(
+            'ui.associations.browse',
+            query=[('mode', AssociationsSearchMode.ARCHIVED.value)],
+        ),
+        fetch_redirect_response=False,
+    )
+
+    AssociationsTestingService().assert_deleted(
+        pk=archived_association_out.pk,
+        reference=archived_association_out,
+    )
+
+
 @pytest.mark.django_db
 def test_invalid_all_missing(authenticated_client: Client,
                              association_out,
@@ -78,13 +107,13 @@ def test_invalid_all_missing(authenticated_client: Client,
 
     # Then
     assert result.status_code == http.HTTPStatus.OK
-
-    association_object = Association.objects.get(pk=association_out.pk)
-    assert association_object.updated_at == association_out.updated_at
-    assert association_object.deleted_at is None
-
     assert 'canhazconfirm' in result.context['form'].errors
 
+    AssociationsTestingService().assert_not_deleted(
+        pk=association_out.pk,
+        reference=association_out,
+    )
+
 
 @pytest.mark.django_db
 def test_invalid_all_empty(authenticated_client: Client,
@@ -100,13 +129,45 @@ def test_invalid_all_empty(authenticated_client: Client,
 
     # Then
     assert result.status_code == http.HTTPStatus.OK
-
-    association_object = Association.objects.get(pk=association_out.pk)
-    assert association_object.updated_at == association_out.updated_at
-    assert association_object.deleted_at is None
-
     assert 'canhazconfirm' in result.context['form'].errors
 
+    AssociationsTestingService().assert_not_deleted(
+        pk=association_out.pk,
+        reference=association_out,
+    )
+
+
+@pytest.mark.django_db
+def test_deleted(authenticated_client: Client,
+                 deleted_association_out,
+                 ):
+    # When
+    result = authenticated_client.post(
+        reverse('ui.associations.delete', args=(deleted_association_out.pk,)),
+        data={
+            'canhazconfirm': 'hai',
+        },
+    )
+
+    # Then
+    assert result.status_code == http.HTTPStatus.NOT_FOUND
+
+
+@pytest.mark.django_db
+def test_not_found(authenticated_client: Client,
+                   null_uuid,
+                   ):
+    # When
+    result = authenticated_client.post(
+        reverse('ui.associations.delete', args=(null_uuid,)),
+        data={
+            'canhazconfirm': 'hai',
+        },
+    )
+
+    # Then
+    assert result.status_code == http.HTTPStatus.NOT_FOUND
+
 
 @pytest.mark.django_db
 def test_other_account_association(authenticated_client: Client,