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from itertools import permutations
from unittest.mock import MagicMock
import pytest
from django.http import Http404
from django_pgschemas.routing.info import DomainInfo, HeadersInfo, SessionInfo
from django_pgschemas.routing.middleware import (
DomainRoutingMiddleware,
HeadersRoutingMiddleware,
SessionRoutingMiddleware,
strip_tenant_from_path_factory,
)
@pytest.mark.parametrize(
"path, prefix, expected",
[
("/some/path/", "", "/some/path/"),
("/some/path/", "path", "/some/path/"),
("/some/path/", "some", "/path/"),
],
)
def test_strip_tenant_from_path_factory(path, prefix, expected):
actual = strip_tenant_from_path_factory(prefix)(path)
assert actual == expected
class FakeRequest:
def __init__(
self,
*,
domain: str = "",
path: str = "",
session_tenant_ref: str | None = None,
headers_tenant_ref: str | None = None,
) -> None:
self.domain = domain
self.path = path
self.session_tenant_ref = session_tenant_ref
self.headers_tenant_ref = headers_tenant_ref
def get_host(self) -> str:
return self.domain
@property
def session(self) -> dict:
return {
"tenant": self.session_tenant_ref,
}
@property
def headers(self) -> dict:
return {
"tenant": self.headers_tenant_ref,
}
class TestDomainRoutingMiddleware:
@pytest.fixture(autouse=True)
def _setup(self, tenant1, tenant2, DomainModel):
if DomainModel is None:
pytest.skip("Domain model is not in use")
DomainModel.objects.create(
tenant=tenant1,
domain="tenant1.localhost",
is_primary=True,
)
DomainModel.objects.create(
tenant=tenant1,
domain="tenants.localhost",
folder="tenant1",
is_primary=False,
)
DomainModel.objects.create(
tenant=tenant2,
domain="tenant2.localhost",
is_primary=True,
)
DomainModel.objects.create(
tenant=tenant2,
domain="tenants.localhost",
folder="tenant2",
is_primary=False,
)
@pytest.mark.parametrize(
"domain, path, schema_name",
[
("tenant1.localhost", "", "tenant1"),
("tenants.localhost", "tenant1", "tenant1"),
("tenant2.localhost", "", "tenant2"),
("tenants.localhost", "tenant2", "tenant2"),
("tenant3.localhost", "", None),
("localhost", "", "www"),
("blog.localhost", "", "blog"),
("tenants.localhost", "", "www"), # fallback domains
],
)
def test_tenant_matching(self, domain, path, schema_name, db):
request = FakeRequest(domain=domain, path=f"/{path}/some/path/")
get_response = MagicMock()
handler = DomainRoutingMiddleware(get_response)
if schema_name is None:
with pytest.raises(Http404):
handler(request)
else:
handler(request)
assert request.tenant is not None
assert request.tenant.schema_name == schema_name
assert isinstance(request.tenant.routing, DomainInfo)
assert request.tenant.routing.domain == domain
assert request.tenant.routing.folder == (path if path else None)
class TestDomainRoutingMiddlewareRedirection:
@pytest.fixture(autouse=True)
def _setup(self, tenant1, tenant2, DomainModel):
if DomainModel is None:
pytest.skip("Domain model is not in use")
DomainModel(domain="tenant1.localhost", tenant=tenant1).save()
DomainModel(
domain="tenant1redirect.localhost",
tenant=tenant1,
is_primary=False,
redirect_to_primary=True,
).save()
DomainModel(
domain="everyone.localhost",
folder="tenant1redirect",
tenant=tenant1,
is_primary=False,
redirect_to_primary=True,
).save()
DomainModel(domain="everyone.localhost", folder="tenant2", tenant=tenant2).save()
DomainModel(
domain="tenant2redirect.localhost",
tenant=tenant2,
is_primary=False,
redirect_to_primary=True,
).save()
DomainModel(
domain="everyone.localhost",
folder="tenant2redirect",
tenant=tenant2,
is_primary=False,
redirect_to_primary=True,
).save()
@pytest.mark.parametrize(
"domain, path, expected_redirection",
[
(
"tenant1redirect.localhost",
"/some/random/url/",
"//tenant1.localhost/some/random/url/",
),
(
"everyone.localhost",
"/tenant1redirect/some/random/url/",
"//tenant1.localhost/some/random/url/",
),
(
"tenant2redirect.localhost",
"/some/random/url/",
"//everyone.localhost/tenant2/some/random/url/",
),
(
"everyone.localhost",
"/tenant2redirect/some/random/url/",
"//everyone.localhost/tenant2/some/random/url/",
),
],
)
def test_redirection(self, domain, path, expected_redirection):
request = FakeRequest(domain=domain, path=path)
get_response = MagicMock()
response = DomainRoutingMiddleware(get_response)(request)
assert response.status_code == 301
assert response.url == expected_redirection
assert response["Location"] == expected_redirection
class TestSessionRoutingMiddleware:
@pytest.mark.parametrize(
"session_key, schema_name",
[
("www", "www"),
("main", "www"),
("blog", "blog"),
("tenant1", "tenant1"),
],
)
def test_tenant_matching(self, DomainModel, session_key, schema_name, db):
if DomainModel is None and "tenant" in schema_name:
pytest.skip("Domain model is not in use")
request = FakeRequest(session_tenant_ref=session_key)
get_response = MagicMock()
handler = SessionRoutingMiddleware(get_response)
handler(request)
assert request.tenant is not None
assert request.tenant.schema_name == schema_name
assert isinstance(request.tenant.routing, SessionInfo)
assert request.tenant.routing.reference == session_key
class TestHeadersRoutingMiddleware:
@pytest.mark.parametrize(
"header, schema_name",
[
("www", "www"),
("main", "www"),
("blog", "blog"),
("tenant1", "tenant1"),
],
)
def test_tenant_matching(self, DomainModel, header, schema_name, db):
if DomainModel is None and "tenant" in schema_name:
pytest.skip("Domain model is not in use")
request = FakeRequest(headers_tenant_ref=header)
get_response = MagicMock()
handler = HeadersRoutingMiddleware(get_response)
handler(request)
assert request.tenant is not None
assert request.tenant.schema_name == schema_name
assert isinstance(request.tenant.routing, HeadersInfo)
assert request.tenant.routing.reference == header
@pytest.mark.parametrize(
"first_middleware, second_middleware, last_middleware",
permutations([DomainRoutingMiddleware, SessionRoutingMiddleware, HeadersRoutingMiddleware]),
)
def test_last_middleware_prevails(
first_middleware, second_middleware, last_middleware, tenant1, tenant2, tenant3, DomainModel
):
if DomainModel is None:
pytest.skip("Domain model is not in use")
DomainModel.objects.create(
domain="tenants.localhost",
tenant=tenant1,
folder="tenant1",
is_primary=True,
)
request = FakeRequest(
domain="tenants.localhost",
path="/tenant1/some/path/",
session_tenant_ref=tenant2.schema_name,
headers_tenant_ref=tenant3.schema_name,
)
get_response = MagicMock()
handler = first_middleware(second_middleware(last_middleware(get_response)))
handler(request)
if last_middleware is DomainRoutingMiddleware:
assert request.tenant == tenant1
assert isinstance(request.tenant.routing, DomainInfo)
if last_middleware is SessionRoutingMiddleware:
assert request.tenant == tenant2
assert isinstance(request.tenant.routing, SessionInfo)
if last_middleware is HeadersRoutingMiddleware:
assert request.tenant == tenant3
assert isinstance(request.tenant.routing, HeadersInfo)
|
