intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 28 insertions, 0 deletions

diff --git a/contrib/python/pytest/py3/_pytest/setupplan.py b/contrib/python/pytest/py3/_pytest/setupplan.py
new file mode 100644
index 0000000000..6fdd3aed06
--- /dev/null
+++ b/contrib/python/pytest/py3/_pytest/setupplan.py
@@ -0,0 +1,28 @@
+import pytest
+
+
+def pytest_addoption(parser):
+    group = parser.getgroup("debugconfig")
+    group.addoption(
+        "--setupplan",
+        "--setup-plan",
+        action="store_true",
+        help="show what fixtures and tests would be executed but "
+        "don't execute anything.",
+    )
+
+
+@pytest.hookimpl(tryfirst=True)
+def pytest_fixture_setup(fixturedef, request):
+    # Will return a dummy fixture if the setuponly option is provided.
+    if request.config.option.setupplan:
+        my_cache_key = fixturedef.cache_key(request)
+        fixturedef.cached_result = (None, my_cache_key, None)
+        return fixturedef.cached_result
+
+
+@pytest.hookimpl(tryfirst=True)
+def pytest_cmdline_main(config):
+    if config.option.setupplan:
+        config.option.setuponly = True
+        config.option.setupshow = True