Implement --setup-show cli flag

to also be able to see fixture setup with normal test execution.

CHANGELOG.rst

@@ -87,8 +87,9 @@
 * New cli flags: (1) ``--setup-plan`` performs normal collection and reports
   the potential setup and teardown, does not execute any fixtures and tests (2)
   ``--setup-only`` performs normal collection, executes setup and teardown of
-  fixtures and reports them. Thanks `@d6e`_, `@kvas-it`_, `@sallner`_
+  fixtures and reports them.  (3) ``--setup-show`` performs normal test
-  and `@omarkohl`_ for the PR.
+  execution and additionally shows the setup and teardown of fixtures.
+  Thanks `@d6e`_, `@kvas-it`_, `@sallner`_ and `@omarkohl`_ for the PRs.
 
 * Added two new hooks: ``pytest_fixture_setup`` which executes the fixture
   setup and ``pytest_fixture_post_finalizer`` which is called after the fixture's

_pytest/runner.py

@@ -73,9 +73,9 @@ def runtestprotocol(item, log=True, nextitem=None):
     rep = call_and_report(item, "setup", log)
     reports = [rep]
     if rep.passed:
-        if item.config.option.setuponly or item.config.option.setupplan:
+        if item.config.option.setupshow:
             show_test_item(item)
-        else:
+        if not item.config.option.setuponly:
             reports.append(call_and_report(item, "call", log))
     reports.append(call_and_report(item, "teardown", log,
         nextitem=nextitem))

_pytest/setuponly.py

@@ -5,12 +5,14 @@ def pytest_addoption(parser):
     group = parser.getgroup("debugconfig")
     group.addoption('--setuponly', '--setup-only', action="store_true",
                help="only setup fixtures, don't execute the tests.")
+    group.addoption('--setupshow', '--setup-show', action="store_true",
+               help="show setup fixtures while executing the tests.")
 
 @pytest.hookimpl(hookwrapper=True)
 def pytest_fixture_setup(fixturedef, request):
     yield
     config = request.config
-    if config.option.setuponly:
+    if 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()).
@@ -26,7 +28,7 @@ def pytest_fixture_setup(fixturedef, request):
 def pytest_fixture_post_finalizer(fixturedef):
     if hasattr(fixturedef, "cached_result"):
         config = fixturedef._fixturemanager.config
-        if config.option.setuponly:
+        if config.option.setupshow:
             _show_fixture_action(fixturedef, 'TEARDOWN')
             if hasattr(fixturedef, "cached_param"):
                 del fixturedef.cached_param
@@ -57,3 +59,8 @@ def _show_fixture_action(fixturedef, msg):
         capman.resumecapture()
         sys.stdout.write(out)
         sys.stderr.write(err)
+
+@pytest.hookimpl(tryfirst=True)
+def pytest_cmdline_main(config):
+    if config.option.setuponly:
+        config.option.setupshow = True

_pytest/setupplan.py

@@ -17,3 +17,4 @@ def pytest_fixture_setup(fixturedef, request):
 def pytest_cmdline_main(config):
     if config.option.setupplan:
         config.option.setuponly = True
+        config.option.setupshow = True

testing/python/setup_only.py

@@ -1,7 +1,8 @@
 import pytest
 
 
-@pytest.fixture(params=['--setup-only', '--setup-plan'], scope='module')
+@pytest.fixture(params=['--setup-only', '--setup-plan', '--setup-show'],
+                scope='module')
 def mode(request):
     return request.param
 
@@ -24,7 +25,7 @@ def test_show_only_active_fixtures(testdir, mode):
 
     result.stdout.fnmatch_lines([
         '*SETUP    F arg1*',
-        '*test_arg1 (fixtures used: arg1)',
+        '*test_arg1 (fixtures used: arg1)*',
         '*TEARDOWN F arg1*',
     ])
     assert "_arg0" not in result.stdout.str()
@@ -49,7 +50,7 @@ def test_show_different_scopes(testdir, mode):
     result.stdout.fnmatch_lines([
         'SETUP    S arg_session*',
         '*SETUP    F arg_function*',
-        '*test_arg1 (fixtures used: arg_function, arg_session)',
+        '*test_arg1 (fixtures used: arg_function, arg_session)*',
         '*TEARDOWN F arg_function*',
         'TEARDOWN S arg_session*',
     ])
@@ -77,7 +78,7 @@ def test_show_nested_fixtures(testdir, mode):
     result.stdout.fnmatch_lines([
         'SETUP    S arg_same*',
         '*SETUP    F arg_same (fixtures used: arg_same)*',
-        '*test_arg1 (fixtures used: arg_same)',
+        '*test_arg1 (fixtures used: arg_same)*',
         '*TEARDOWN F arg_same*',
         'TEARDOWN S arg_same*',
     ])
@@ -102,7 +103,7 @@ def test_show_fixtures_with_autouse(testdir, mode):
     result.stdout.fnmatch_lines([
         'SETUP    S arg_session*',
         '*SETUP    F arg_function*',
-        '*test_arg1 (fixtures used: arg_function, arg_session)',
+        '*test_arg1 (fixtures used: arg_function, arg_session)*',
     ])
 
 
@@ -219,3 +220,24 @@ def test_capturing(testdir):
         'this should be captured',
         'this should also be captured'
     ])
+
+
+def test_show_fixtures_and_execute_test(testdir):
+    """ Verifies that setups are shown and tests are executed. """
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture
+        def arg():
+            assert True
+        def test_arg(arg):
+            assert False
+    ''')
+
+    result = testdir.runpytest("--setup-show", p)
+    assert result.ret == 1
+
+    result.stdout.fnmatch_lines([
+        '*SETUP    F arg*',
+        '*test_arg (fixtures used: arg)F',
+        '*TEARDOWN F arg*',
+    ])