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from contextlib import contextmanager
import pytest
from django.apps import apps
from django.contrib.auth import authenticate
from django.db import ProgrammingError, transaction
from django_pgschemas.schema import Schema, deactivate
from django_pgschemas.signals import dynamic_tenant_post_sync
from django_pgschemas.utils import schema_exists
@pytest.fixture
def BlogEntryModel():
return apps.get_model("app_blog.BlogEntry")
@pytest.fixture
def CatalogModel():
return apps.get_model("shared_public.Catalog")
@pytest.fixture
def MainDataModel():
return apps.get_model("app_main.MainData")
@pytest.fixture
def UserModel():
return apps.get_model("shared_common.User")
@pytest.fixture
def TenantDataModel(TenantModel):
return apps.get_model("app_tenants.TenantData") if TenantModel is not None else None
class ControlledException(Exception):
pass
@contextmanager
def controlled_raises(exception):
"""
Since we are expecting database errors, we must use savepoints in order
to make sure multiple errors can be caught in the same test case.
"""
sid = transaction.savepoint()
with pytest.raises(exception):
yield
transaction.savepoint_rollback(sid)
class TestTenantAutomaticOperations:
@pytest.fixture(autouse=True)
def _setup(self, TenantModel):
if TenantModel is None:
pytest.skip("Dynamic tenants are not in use")
def test_new_creation_deletion(self, TenantModel, db):
assert not schema_exists("new_tenant1")
tenant = TenantModel(schema_name="new_tenant1")
tenant.save(verbosity=0)
assert schema_exists("new_tenant1")
tenant.delete(force_drop=True)
assert not schema_exists("new_tenant1")
def test_existing_creation(self, TenantModel, db):
assert not schema_exists("new_tenant1")
tenant = TenantModel(schema_name="new_tenant1")
tenant.auto_create_schema = False
tenant.save(verbosity=0)
assert not schema_exists("new_tenant1")
tenant.auto_create_schema = True
tenant.save(verbosity=0)
assert schema_exists("new_tenant1")
tenant.delete(force_drop=True)
assert not schema_exists("new_tenant1")
def test_new_aborted_creation(self, TenantModel, db):
def signal_receiver(*args, **kwargs):
raise ControlledException
assert not schema_exists("new_tenant1")
tenant = TenantModel(schema_name="new_tenant1")
dynamic_tenant_post_sync.connect(signal_receiver)
with pytest.raises(ControlledException):
tenant.save(verbosity=0)
assert not schema_exists("new_tenant1")
assert not TenantModel.objects.filter(schema_name="new_tenant1").exists()
dynamic_tenant_post_sync.disconnect(signal_receiver)
def test_existing_aborted_creation(self, TenantModel, db):
def signal_receiver(*args, **kwargs):
raise ControlledException
assert not schema_exists("new_tenant1")
tenant = TenantModel(schema_name="new_tenant1")
tenant.auto_create_schema = False
tenant.save(verbosity=0)
tenant.auto_create_schema = True
dynamic_tenant_post_sync.connect(signal_receiver)
with pytest.raises(ControlledException):
tenant.save(verbosity=0)
assert not schema_exists("new_tenant1")
assert TenantModel.objects.filter(schema_name="new_tenant1").exists()
dynamic_tenant_post_sync.disconnect(signal_receiver)
tenant.delete(force_drop=True)
assert not TenantModel.objects.filter(schema_name="new_tenant1").exists()
class TestTenantIntegration:
@pytest.fixture(autouse=True)
def _setup(
self, tenant1, CatalogModel, UserModel, MainDataModel, BlogEntryModel, TenantDataModel
):
catalog = CatalogModel.objects.create()
CatalogModel.objects.create()
with Schema.create(schema_name="www"):
user = UserModel.objects.create(email="main@localhost", display_name="Main User")
user.set_password("weakpassword")
user.save()
MainDataModel.objects.create()
with Schema.create(schema_name="blog"):
user = UserModel.objects.create(email="blog@localhost", display_name="Blog User")
user.set_password("weakpassword")
user.save()
BlogEntryModel.objects.create(user=user)
if TenantDataModel is not None:
with tenant1:
user = UserModel.objects.create(
email="tenant@localhost", display_name="Tenant User"
)
user.set_password("weakpassword")
user.save()
TenantDataModel.objects.create(user=user, catalog=catalog)
def test_migrated_public_apps(
self, CatalogModel, UserModel, MainDataModel, BlogEntryModel, TenantDataModel
):
deactivate()
# Apps expected to be migrated
assert CatalogModel.objects.count() == 2
# Apps expected to NOT be migrated
with controlled_raises(ProgrammingError):
list(UserModel.objects.all())
with controlled_raises(ProgrammingError):
list(MainDataModel.objects.all())
with controlled_raises(ProgrammingError):
list(BlogEntryModel.objects.all())
if TenantDataModel is not None:
with controlled_raises(ProgrammingError):
list(TenantDataModel.objects.all())
def test_migrated_main_apps(
self, CatalogModel, UserModel, MainDataModel, BlogEntryModel, TenantDataModel
):
with Schema.create(schema_name="www"):
# Apps expected to be migrated
assert CatalogModel.objects.count() == 2
assert UserModel.objects.count() == 1
assert MainDataModel.objects.count() == 1
# Apps expected to NOT be migrated
with controlled_raises(ProgrammingError):
list(BlogEntryModel.objects.all())
if TenantDataModel is not None:
with controlled_raises(ProgrammingError):
list(TenantDataModel.objects.all())
def test_migrated_blog_apps(
self, CatalogModel, UserModel, MainDataModel, BlogEntryModel, TenantDataModel
):
with Schema.create(schema_name="blog"):
# Apps expected to be migrated
assert CatalogModel.objects.count() == 2
assert UserModel.objects.count() == 1
assert BlogEntryModel.objects.count() == 1
# Direct and reverse relations
assert UserModel.objects.first() == BlogEntryModel.objects.first().user
assert UserModel.objects.first().blogs.first() == BlogEntryModel.objects.first()
# Apps expected to NOT be migrated
with controlled_raises(ProgrammingError):
list(MainDataModel.objects.all())
if TenantDataModel is not None:
with controlled_raises(ProgrammingError):
list(TenantDataModel.objects.all())
def test_migrated_tenant_apps(
self, tenant1, CatalogModel, UserModel, MainDataModel, BlogEntryModel, TenantDataModel
):
if not TenantDataModel:
pytest.skip("Dynamic tenants are not in use")
with tenant1:
# Apps expected to be migrated
assert CatalogModel.objects.count() == 2
assert UserModel.objects.count() == 1
assert TenantDataModel.objects.count() == 1
# Direct and reverse relations
assert UserModel.objects.first() == TenantDataModel.objects.first().user
assert (
UserModel.objects.first().tenant_objects.first() == TenantDataModel.objects.first()
)
assert CatalogModel.objects.first() == TenantDataModel.objects.first().catalog
assert (
CatalogModel.objects.first().tenant_objects.first()
== TenantDataModel.objects.first()
)
# Apps expected to NOT be migrated
with controlled_raises(ProgrammingError):
list(MainDataModel.objects.all())
with controlled_raises(ProgrammingError):
list(BlogEntryModel.objects.all())
def test_cross_authentication(self, tenant1, TenantModel):
with Schema.create(schema_name="www"):
assert authenticate(email="main@localhost", password="weakpassword")
assert not authenticate(email="blog@localhost", password="weakpassword")
assert not authenticate(email="tenant@localhost", password="weakpassword")
with Schema.create(schema_name="blog"):
assert not authenticate(email="main@localhost", password="weakpassword")
assert authenticate(email="blog@localhost", password="weakpassword")
assert not authenticate(email="tenant@localhost", password="weakpassword")
if TenantModel is not None:
with tenant1:
assert not authenticate(email="main@localhost", password="weakpassword")
assert not authenticate(email="blog@localhost", password="weakpassword")
assert authenticate(email="tenant@localhost", password="weakpassword")
with controlled_raises(ProgrammingError):
authenticate(email="irrelevant@localhost", password="irrelevant")
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