intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 78 insertions, 0 deletions

diff --git a/contrib/python/pytest/py3/_pytest/setuponly.py b/contrib/python/pytest/py3/_pytest/setuponly.py
new file mode 100644
index 0000000000..aa5a95ff92
--- /dev/null
+++ b/contrib/python/pytest/py3/_pytest/setuponly.py
@@ -0,0 +1,78 @@
+import pytest
+
+
+def pytest_addoption(parser):
+    group = parser.getgroup("debugconfig")
+    group.addoption(
+        "--setuponly",
+        "--setup-only",
+        action="store_true",
+        help="only setup fixtures, do not execute tests.",
+    )
+    group.addoption(
+        "--setupshow",
+        "--setup-show",
+        action="store_true",
+        help="show setup of fixtures while executing tests.",
+    )
+
+
+@pytest.hookimpl(hookwrapper=True)
+def pytest_fixture_setup(fixturedef, request):
+    yield
+    if request.config.option.setupshow:
+        if hasattr(request, "param"):
+            # Save the fixture parameter so ._show_fixture_action() can
+            # display it now and during the teardown (in .finish()).
+            if fixturedef.ids:
+                if callable(fixturedef.ids):
+                    fixturedef.cached_param = fixturedef.ids(request.param)
+                else:
+                    fixturedef.cached_param = fixturedef.ids[request.param_index]
+            else:
+                fixturedef.cached_param = request.param
+        _show_fixture_action(fixturedef, "SETUP")
+
+
+def pytest_fixture_post_finalizer(fixturedef) -> None:
+    if fixturedef.cached_result is not None:
+        config = fixturedef._fixturemanager.config
+        if config.option.setupshow:
+            _show_fixture_action(fixturedef, "TEARDOWN")
+            if hasattr(fixturedef, "cached_param"):
+                del fixturedef.cached_param
+
+
+def _show_fixture_action(fixturedef, msg):
+    config = fixturedef._fixturemanager.config
+    capman = config.pluginmanager.getplugin("capturemanager")
+    if capman:
+        capman.suspend_global_capture()
+
+    tw = config.get_terminal_writer()
+    tw.line()
+    tw.write(" " * 2 * fixturedef.scopenum)
+    tw.write(
+        "{step} {scope} {fixture}".format(
+            step=msg.ljust(8),  # align the output to TEARDOWN
+            scope=fixturedef.scope[0].upper(),
+            fixture=fixturedef.argname,
+        )
+    )
+
+    if msg == "SETUP":
+        deps = sorted(arg for arg in fixturedef.argnames if arg != "request")
+        if deps:
+            tw.write(" (fixtures used: {})".format(", ".join(deps)))
+
+    if hasattr(fixturedef, "cached_param"):
+        tw.write("[{}]".format(fixturedef.cached_param))
+
+    if capman:
+        capman.resume_global_capture()
+
+
+@pytest.hookimpl(tryfirst=True)
+def pytest_cmdline_main(config):
+    if config.option.setuponly:
+        config.option.setupshow = True