start with playwright tests

1 files changed, 48 insertions, 0 deletions

diff --git a/tests/playwright/conftest.py b/tests/playwright/conftest.py
new file mode 100644
index 0000000..dedaf22
--- /dev/null
+++ b/tests/playwright/conftest.py
@@ -0,0 +1,48 @@
+import socket
+import threading
+from wsgiref import simple_server
+
+import pytest
+
+
+@pytest.fixture(scope="session")
+def server_port():
+    """Return a (likely) free port.
+
+    Note that due to OS race conditions between picking the port and opening
+    something on it, it might be taken again, but that is unlikely.
+    """
+    sock = socket.socket(socket.AF_INET)
+    sock.bind(("", 0))
+    port = sock.getsockname()[1]
+    sock.close()
+    return port
+
+
+@pytest.fixture(scope="session", autouse=True)
+def running_server(server_port, app):
+    """Have the app running as an actual server."""
+    server = simple_server.make_server("127.0.0.1", server_port, app)
+    thread = threading.Thread(target=server.serve_forever)
+    thread.daemon = True
+    thread.start()
+    yield
+    server.shutdown()
+
+
+@pytest.fixture
+def browser_context_args(server_port) -> dict:
+    return {"base_url": f"http://localhost:{server_port}"}
+
+
+@pytest.fixture
+def dbaccess(app):
+    """Provide direct access to the database.
+
+    This is needed for the selenium tests, because the normal "dbsession"
+    fixture has a doomed transaction attached. This is nice for keeping the
+    test database clean, but it does mean that the changes are not propagated
+    through and the running WSGI app cannot read them.
+    """
+    session_factory = app.registry["dbsession_factory"]
+    return session_factory()