1 files changed, 24 insertions, 0 deletions
diff --git a/tests/conftest.py b/tests/conftest.py
index 94ba650..f1ef4b5 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -18,6 +18,14 @@ HTTPHandler = Callable[
 ]
 
 
+class FakeHostAnswers:
+    def __init__(self, *addresses: str):
+        self._addresses = addresses
+
+    def addresses(self):
+        return iter(self._addresses)
+
+
 @pytest.fixture
 def app() -> Iterator[Flask]:
     """
@@ -101,6 +109,12 @@ def install_httpx_mock(
     Replace the HTTPX transport without replacing HTTPX itself.
     """
 
+    monkeypatch.setattr(
+        receiver_module,
+        "ensure_public_url",
+        lambda url: None,
+    )
+
     real_client = httpx.Client
 
     def install(handler: HTTPHandler) -> None:
@@ -123,3 +137,13 @@ def install_httpx_mock(
         )
 
     return install
+
+
+@pytest.fixture
+def public_dns(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    monkeypatch.setattr(
+        "webmentions_ssg.url_security.dns.resolver.resolve_name",
+        lambda hostname: FakeHostAnswers("93.184.216.34"),
+    )