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authorAngelos Evripiotis <jevripiotis@bloomberg.net>2019-10-17 12:12:47 +0100
committerbst-marge-bot <marge-bot@buildstream.build>2019-10-18 13:21:17 +0000
commit702dddae4197b43a93ec194f88457708a42119dd (patch)
tree69fb47f4f6bf6a4b887d3a4a2d93f10422227c66 /tests/conftest.py
parentdaf0bcf6da4c432ccf38d74c2097bc45b4ede485 (diff)
downloadbuildstream-702dddae4197b43a93ec194f88457708a42119dd.tar.gz
tests/conftest: implement BST_FORCE_START_METHOD
Diffstat (limited to 'tests/conftest.py')
-rwxr-xr-xtests/conftest.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/conftest.py b/tests/conftest.py
index 68fdba7fb..4aa7be7fb 100755
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -20,6 +20,7 @@
# Tristan Maat <tristan.maat@codethink.co.uk>
#
import os
+import multiprocessing
import pytest
from buildstream.testing import register_repo_kind, sourcetests_collection_hook
@@ -155,3 +156,17 @@ def set_xdg_paths(pytestconfig):
value = os.path.join(pytestconfig.getoption("basetemp"), default)
os.environ[env_var] = value
+
+
+def pytest_configure(config):
+ # If we need to set_start_method() then we need to do it as early as
+ # possible. Note that some tests implicitly set the start method by using
+ # multiprocessing. If we wait for bst to do it, it will already be too
+ # late.
+ print(
+ "Multiprocessing method:",
+ multiprocessing.get_start_method(allow_none=True),
+ )
+ if 'BST_FORCE_START_METHOD' in os.environ:
+ start_method = os.environ['BST_FORCE_START_METHOD']
+ multiprocessing.set_start_method(start_method)