Webfinger utils

api/tests/federation/test_webfinger.py

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+import pytest
+
+from django import forms
+from django.urls import reverse
+
+from funkwhale_api.federation import webfinger
+
+
+def test_webfinger_clean_resource():
+    t, r = webfinger.clean_resource('acct:service@test.federation')
+    assert t == 'acct'
+    assert r == 'service@test.federation'
+
+
+@pytest.mark.parametrize('resource,message', [
+    ('', 'Invalid resource string'),
+    ('service@test.com', 'Missing webfinger resource type'),
+    ('noop:service@test.com', 'Invalid webfinger resource type'),
+])
+def test_webfinger_clean_resource_errors(resource, message):
+    with pytest.raises(forms.ValidationError) as excinfo:
+        webfinger.clean_resource(resource)
+
+        assert message == str(excinfo)
+
+
+def test_webfinger_clean_acct(settings):
+    settings.FEDERATION_HOSTNAME = 'test.federation'
+    username, hostname = webfinger.clean_acct('service@test.federation')
+    assert username == 'service'
+    assert hostname == 'test.federation'
+
+
+@pytest.mark.parametrize('resource,message', [
+    ('service', 'Invalid format'),
+    ('service@test.com', 'Invalid hostname'),
+    ('noop@test.federation', 'Invalid account'),
+])
+def test_webfinger_clean_acct_errors(resource, message, settings):
+    settings.FEDERATION_HOSTNAME = 'test.federation'
+
+    with pytest.raises(forms.ValidationError) as excinfo:
+        webfinger.clean_resource(resource)
+
+        assert message == str(excinfo)
+
+
+def test_service_serializer(settings):
+    settings.FEDERATION_HOSTNAME = 'test.federation'
+    settings.FUNKWHALE_URL = 'https://test.federation'
+
+    expected = {
+        'subject': 'acct:service@test.federation',
+        'links': [
+            {
+                'rel': 'self',
+                'href': 'https://test.federation/instance/actor',
+                'type': 'application/activity+json',
+            }
+        ],
+        'aliases': [
+            'https://test.federation/instance/actor',
+        ]
+    }
+
+    assert expected == webfinger.serialize_system_acct()