Fail test run if any warnings present

Tiny pytest plugin borrowed from ehrQL. This forces us to either deal with or explicitly silence any warnings.
opensafely-core · Jan 19, 2024 · 4857f3d · 4857f3d
1 parent 940cfb5
commit 4857f3d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/tests/conftest.py b/tests/conftest.py
@@ -0,0 +1,6 @@
+# Fail the test run if we see any warnings
+def pytest_terminal_summary(terminalreporter, exitstatus, config):
+    if terminalreporter.stats.get("warnings"):  # pragma: no cover
+        print("\nWARNINGS DETECTED: Exiting with error")
+        if terminalreporter._session.exitstatus == 0:
+            terminalreporter._session.exitstatus = 13