write tests

api/tests/test_admin.py

@@ -0,0 +1,24 @@
+import pytest
+from django.contrib.admin import AdminSite
+from django.http import HttpRequest
+from model_bakery import baker
+from pytest_django.asserts import assertNumQueries
+
+from api.admin import ApiClientAdmin
+from api.models import ApiClient
+
+
+@pytest.mark.django_db
+def test_reset_hmac_action():
+    client_admin = ApiClientAdmin(ApiClient, AdminSite())
+    api_clients = baker.make(ApiClient, _quantity=4, _bulk_create=True)
+    old_hmac_keys = [c.hmac_key for c in api_clients]
+    with assertNumQueries(2):
+        qs = ApiClient.objects.filter(id__in=[c.id for c in api_clients[2:4]])
+        client_admin.reset_hmac_key(HttpRequest(), qs)
+    for c in api_clients:
+        c.refresh_from_db()
+    assert api_clients[0].hmac_key == old_hmac_keys[0]
+    assert api_clients[1].hmac_key == old_hmac_keys[1]
+    assert api_clients[2].hmac_key != old_hmac_keys[2]
+    assert api_clients[3].hmac_key != old_hmac_keys[3]

api/tests/test_api_client_controller.py

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+import pytest
+from django.test import Client
+from django.urls import reverse
+from model_bakery import baker
+
+from api.hashers import generate_key
+from api.models import ApiClient, ApiKey
+from api.schemas import ApiClientSchema
+
+
+@pytest.mark.django_db
+def test_api_client_controller(client: Client):
+    key, hashed = generate_key()
+    api_client = baker.make(ApiClient)
+    baker.make(ApiKey, client=api_client, hashed_key=hashed)
+    res = client.get(reverse("api:api-client-infos"), headers={"X-APIKey": key})
+    assert res.status_code == 200
+    assert res.json() == ApiClientSchema.from_orm(api_client).model_dump()

api/tests/test_client.py

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+import pytest
+from django.contrib.auth.models import Permission
+from django.test import TestCase
+from model_bakery import baker
+
+from api.models import ApiClient
+from core.models import Group
+
+
+class TestClientPermissions(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.api_client = baker.make(ApiClient)
+        cls.perms = baker.make(Permission, _quantity=10, _bulk_create=True)
+        cls.api_client.groups.set(
+            [
+                baker.make(Group, permissions=cls.perms[0:3]),
+                baker.make(Group, permissions=cls.perms[3:5]),
+            ]
+        )
+        cls.api_client.client_permissions.set(
+            [cls.perms[3], cls.perms[5], cls.perms[6], cls.perms[7]]
+        )
+
+    def test_all_permissions(self):
+        assert self.api_client.all_permissions == {
+            f"{p.content_type.app_label}.{p.codename}" for p in self.perms[0:8]
+        }
+
+    def test_has_perm(self):
+        assert self.api_client.has_perm(
+            f"{self.perms[1].content_type.app_label}.{self.perms[1].codename}"
+        )
+        assert not self.api_client.has_perm(
+            f"{self.perms[9].content_type.app_label}.{self.perms[9].codename}"
+        )
+
+    def test_has_perms(self):
+        assert self.api_client.has_perms(
+            [
+                f"{self.perms[1].content_type.app_label}.{self.perms[1].codename}",
+                f"{self.perms[2].content_type.app_label}.{self.perms[2].codename}",
+            ]
+        )
+        assert not self.api_client.has_perms(
+            [
+                f"{self.perms[1].content_type.app_label}.{self.perms[1].codename}",
+                f"{self.perms[9].content_type.app_label}.{self.perms[9].codename}",
+            ],
+        )
+
+
+@pytest.mark.django_db
+def test_reset_hmac_key():
+    client = baker.make(ApiClient)
+    original_key = client.hmac_key
+    client.reset_hmac(commit=True)
+    assert len(client.hmac_key) == len(original_key)
+    assert client.hmac_key != original_key

api/tests/test_third_party_auth.py

@@ -0,0 +1,111 @@
+from unittest import mock
+from unittest.mock import Mock
+
+from django.db.models import Max
+from django.test import TestCase
+from django.urls import reverse
+from model_bakery import baker
+from pytest_django.asserts import assertRedirects
+
+from api.models import ApiClient, get_hmac_key
+from core.baker_recipes import subscriber_user
+from core.utils import hmac_hexdigest
+
+
+def mocked_post(*, ok: bool):
+    class MockedResponse(Mock):
+        @property
+        def ok(self):
+            return ok
+
+    def mocked():
+        return MockedResponse()
+
+    return mocked
+
+
+class TestThirdPartyAuth(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.user = subscriber_user.make()
+        cls.api_client = baker.make(ApiClient)
+
+    def setUp(self):
+        self.query = {
+            "client_id": self.api_client.id,
+            "third_party_app": "app",
+            "cgu_link": "https://foobar.fr/",
+            "username": "bibou",
+            "callback_url": "https://callback.fr/",
+        }
+        self.query["signature"] = hmac_hexdigest(self.api_client.hmac_key, self.query)
+        self.callback_data = {"user_id": self.user.id}
+        self.callback_data["signature"] = hmac_hexdigest(
+            self.api_client.hmac_key, self.callback_data
+        )
+
+    def test_auth_ok(self):
+        self.client.force_login(self.user)
+        res = self.client.get(reverse("api-link:third-party-auth", query=self.query))
+        assert res.status_code == 200
+        with mock.patch("requests.post", new_callable=mocked_post(ok=True)) as mocked:
+            res = self.client.post(
+                reverse("api-link:third-party-auth"),
+                data={"cgu_accepted": True, "is_username_valid": True, **self.query},
+            )
+            mocked.assert_called_once_with(
+                self.query["callback_url"], data=self.callback_data
+            )
+        assertRedirects(
+            res,
+            reverse("api-link:third-party-auth-result", kwargs={"result": "success"}),
+        )
+
+    def test_callback_error(self):
+        """Test that the user see the failure page if the callback request failed."""
+        self.client.force_login(self.user)
+        with mock.patch("requests.post", new_callable=mocked_post(ok=False)) as mocked:
+            res = self.client.post(
+                reverse("api-link:third-party-auth"),
+                data={"cgu_accepted": True, "is_username_valid": True, **self.query},
+            )
+            mocked.assert_called_once_with(
+                self.query["callback_url"], data=self.callback_data
+            )
+        assertRedirects(
+            res,
+            reverse("api-link:third-party-auth-result", kwargs={"result": "failure"}),
+        )
+
+    def test_wrong_signature(self):
+        """Test that a 403 is raised if the signature of the query is wrong."""
+        self.client.force_login(subscriber_user.make())
+        new_key = get_hmac_key()
+        del self.query["signature"]
+        self.query["signature"] = hmac_hexdigest(new_key, self.query)
+        res = self.client.get(reverse("api-link:third-party-auth", query=self.query))
+        assert res.status_code == 403
+
+    def test_cgu_not_accepted(self):
+        self.client.force_login(self.user)
+        res = self.client.get(reverse("api-link:third-party-auth", query=self.query))
+        assert res.status_code == 200
+        res = self.client.post(reverse("api-link:third-party-auth"), data=self.query)
+        assert res.status_code == 200  # no redirect means invalid form
+        res = self.client.post(
+            reverse("api-link:third-party-auth"),
+            data={"cgu_accepted": False, "is_username_valid": False, **self.query},
+        )
+        assert res.status_code == 200
+
+    def test_invalid_client(self):
+        self.query["client_id"] = ApiClient.objects.aggregate(res=Max("id"))["res"] + 1
+        res = self.client.get(reverse("api-link:third-party-auth", query=self.query))
+        assert res.status_code == 403
+
+    def test_missing_parameter(self):
+        """Test that a 403 is raised if there is a missing parameter."""
+        del self.query["username"]
+        self.query["signature"] = hmac_hexdigest(self.api_client.hmac_key, self.query)
+        res = self.client.get(reverse("api-link:third-party-auth", query=self.query))
+        assert res.status_code == 403