commit 54ef2ca62e57fff56eff1d1961a8bdbe1ee226c0
author Simon Glass <sjg@chromium.org> Sat Aug 06 17:51:47 2022 -0600
committer Tom Rini <trini@konsulko.com> Mon Sep 12 18:06:36 2022 -0400
tree 45d512207026728d4411f56feadb5958b521f45e
parent 5e666ed1f6b1bf01f97fce2a5b9f81fd5397d851

test/py: Allow tests to be marked single-threaded only

Add a new 'singlethread' marker to allow tests to be skipped when running
in parallel.

Signed-off-by: Simon Glass <sjg@chromium.org>

test/py/conftest.py

diff --git a/test/py/conftest.py b/test/py/conftest.py
index 2ba3447..dbe1acd 100644
--- a/test/py/conftest.py
+++ b/test/py/conftest.py
@@ -521,6 +521,22 @@
         if not tool_is_in_path(tool):
             pytest.skip('tool "%s" not in $PATH' % tool)
 
+def setup_singlethread(item):
+    """Process any 'singlethread' marker for a test.
+
+    Skip this test if running in parallel.
+
+    Args:
+        item: The pytest test item.
+
+    Returns:
+        Nothing.
+    """
+    for single in item.iter_markers('singlethread'):
+        worker_id = os.environ.get("PYTEST_XDIST_WORKER")
+        if worker_id and worker_id != 'master':
+            pytest.skip('must run single-threaded')
+
 def start_test_section(item):
     anchors[item.name] = log.start_section(item.name)
 
@@ -541,6 +557,7 @@
     setup_boardspec(item)
     setup_buildconfigspec(item)
     setup_requiredtool(item)
+    setup_singlethread(item)
 
 def pytest_runtest_protocol(item, nextitem):
     """pytest hook: Called to execute a test.