Merge pull request #8399 from atzannes/master

closes #8394

Generated fixture names for unittest/xunit/nose should start with underscore

changelog/8394.bugfix.rst

@@ -0,0 +1 @@
+Use private names for internal fixtures that handle classic setup/teardown so that they don't show up with the default ``--fixtures`` invocation (but they still show up with ``--fixtures -v``).

src/_pytest/python.py

@@ -528,7 +528,7 @@ class Module(nodes.File, PyCollector):
             autouse=True,
             scope="module",
             # Use a unique name to speed up lookup.
-            name=f"xunit_setup_module_fixture_{self.obj.__name__}",
+            name=f"_xunit_setup_module_fixture_{self.obj.__name__}",
         )
         def xunit_setup_module_fixture(request) -> Generator[None, None, None]:
             if setup_module is not None:
@@ -557,7 +557,7 @@ class Module(nodes.File, PyCollector):
             autouse=True,
             scope="function",
             # Use a unique name to speed up lookup.
-            name=f"xunit_setup_function_fixture_{self.obj.__name__}",
+            name=f"_xunit_setup_function_fixture_{self.obj.__name__}",
         )
         def xunit_setup_function_fixture(request) -> Generator[None, None, None]:
             if request.instance is not None:
@@ -809,7 +809,7 @@ class Class(PyCollector):
             autouse=True,
             scope="class",
             # Use a unique name to speed up lookup.
-            name=f"xunit_setup_class_fixture_{self.obj.__qualname__}",
+            name=f"_xunit_setup_class_fixture_{self.obj.__qualname__}",
         )
         def xunit_setup_class_fixture(cls) -> Generator[None, None, None]:
             if setup_class is not None:
@@ -838,7 +838,7 @@ class Class(PyCollector):
             autouse=True,
             scope="function",
             # Use a unique name to speed up lookup.
-            name=f"xunit_setup_method_fixture_{self.obj.__qualname__}",
+            name=f"_xunit_setup_method_fixture_{self.obj.__qualname__}",
         )
         def xunit_setup_method_fixture(self, request) -> Generator[None, None, None]:
             method = request.function

src/_pytest/unittest.py

@@ -144,7 +144,7 @@ def _make_xunit_fixture(
         scope=scope,
         autouse=True,
         # Use a unique name to speed up lookup.
-        name=f"unittest_{setup_name}_fixture_{obj.__qualname__}",
+        name=f"_unittest_{setup_name}_fixture_{obj.__qualname__}",
     )
     def fixture(self, request: FixtureRequest) -> Generator[None, None, None]:
         if _is_skipped(self):

testing/test_nose.py

@@ -211,6 +211,50 @@ def test_nose_style_setup_teardown(pytester: Pytester) -> None:
     result.stdout.fnmatch_lines(["*2 passed*"])
 
 
+def test_fixtures_nose_setup_issue8394(pytester: Pytester) -> None:
+    pytester.makepyfile(
+        """
+        def setup_module():
+            pass
+
+        def teardown_module():
+            pass
+
+        def setup_function(func):
+            pass
+
+        def teardown_function(func):
+            pass
+
+        def test_world():
+            pass
+
+        class Test(object):
+            def setup_class(cls):
+                pass
+
+            def teardown_class(cls):
+                pass
+
+            def setup_method(self, meth):
+                pass
+
+            def teardown_method(self, meth):
+                pass
+
+            def test_method(self): pass
+        """
+    )
+    match = "*no docstring available*"
+    result = pytester.runpytest("--fixtures")
+    assert result.ret == 0
+    result.stdout.no_fnmatch_line(match)
+
+    result = pytester.runpytest("--fixtures", "-v")
+    assert result.ret == 0
+    result.stdout.fnmatch_lines([match, match, match, match])
+
+
 def test_nose_setup_ordering(pytester: Pytester) -> None:
     pytester.makepyfile(
         """

testing/test_unittest.py

@@ -302,6 +302,30 @@ def test_setup_setUpClass(pytester: Pytester) -> None:
     reprec.assertoutcome(passed=3)
 
 
+def test_fixtures_setup_setUpClass_issue8394(pytester: Pytester) -> None:
+    pytester.makepyfile(
+        """
+        import unittest
+        class MyTestCase(unittest.TestCase):
+            @classmethod
+            def setUpClass(cls):
+                pass
+            def test_func1(self):
+                pass
+            @classmethod
+            def tearDownClass(cls):
+                pass
+    """
+    )
+    result = pytester.runpytest("--fixtures")
+    assert result.ret == 0
+    result.stdout.no_fnmatch_line("*no docstring available*")
+
+    result = pytester.runpytest("--fixtures", "-v")
+    assert result.ret == 0
+    result.stdout.fnmatch_lines(["*no docstring available*"])
+
+
 def test_setup_class(pytester: Pytester) -> None:
     testpath = pytester.makepyfile(
         """