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-rw-r--r--Lib/test/support/hypothesis_helper.py31
1 files changed, 31 insertions, 0 deletions
diff --git a/Lib/test/support/hypothesis_helper.py b/Lib/test/support/hypothesis_helper.py
index 76bd249..da16eb5 100644
--- a/Lib/test/support/hypothesis_helper.py
+++ b/Lib/test/support/hypothesis_helper.py
@@ -1,4 +1,35 @@
+import os
+
try:
import hypothesis
except ImportError:
from . import _hypothesis_stubs as hypothesis
+else:
+ # When using the real Hypothesis, we'll configure it to ignore occasional
+ # slow tests (avoiding flakiness from random VM slowness in CI).
+ hypothesis.settings.register_profile(
+ "slow-is-ok",
+ deadline=None,
+ suppress_health_check=[hypothesis.HealthCheck.too_slow],
+ )
+ hypothesis.settings.load_profile("slow-is-ok")
+
+ # For local development, we'll write to the default on-local-disk database
+ # of failing examples, and also use a pull-through cache to automatically
+ # replay any failing examples discovered in CI. For details on how this
+ # works, see https://hypothesis.readthedocs.io/en/latest/database.html
+ if "CI" not in os.environ:
+ from hypothesis.database import (
+ GitHubArtifactDatabase,
+ MultiplexedDatabase,
+ ReadOnlyDatabase,
+ )
+
+ hypothesis.settings.register_profile(
+ "cpython-local-dev",
+ database=MultiplexedDatabase(
+ hypothesis.settings.default.database,
+ ReadOnlyDatabase(GitHubArtifactDatabase("python", "cpython")),
+ ),
+ )
+ hypothesis.settings.load_profile("cpython-local-dev")