Initial project import

test/test_image_base_url_api.py

@@ -0,0 +1,43 @@
+import unittest
+from types import SimpleNamespace
+from unittest import mock
+
+import api.support as api_support
+
+
+class ImageBaseUrlApiTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self.fake_config = SimpleNamespace(base_url="https://public.example.com")
+        patcher = mock.patch.object(api_support, "config", self.fake_config)
+        patcher.start()
+        self.addCleanup(patcher.stop)
+
+    def test_prefers_configured_base_url(self) -> None:
+        request = SimpleNamespace(
+            url=SimpleNamespace(scheme="http", netloc="127.0.0.1:8000"),
+            headers={"host": "127.0.0.1:8000"},
+        )
+
+        self.assertEqual(api_support.resolve_image_base_url(request), "https://public.example.com")
+
+    def test_falls_back_to_request_host(self) -> None:
+        self.fake_config.base_url = ""
+        request = SimpleNamespace(
+            url=SimpleNamespace(scheme="http", netloc="127.0.0.1:8000"),
+            headers={"host": "internal.example:9000"},
+        )
+
+        self.assertEqual(api_support.resolve_image_base_url(request), "http://internal.example:9000")
+
+    def test_falls_back_to_request_netloc_when_host_missing(self) -> None:
+        self.fake_config.base_url = ""
+        request = SimpleNamespace(
+            url=SimpleNamespace(scheme="https", netloc="public.example.com"),
+            headers={},
+        )
+
+        self.assertEqual(api_support.resolve_image_base_url(request), "https://public.example.com")
+
+
+if __name__ == "__main__":
+    unittest.main()