Fix Pytest warnings

pytest_relaxed/classes.py

@@ -3,12 +3,15 @@
 
 import six
 
+from pytest import __version__ as pytest_version
 from pytest import Class, Instance, Module
 
 # NOTE: don't see any other way to get access to pytest innards besides using
 # the underscored name :(
 from _pytest.python import PyCollector
 
+pytest_version_info = tuple(map(int, pytest_version.split(".")[:3]))
+
 
 # NOTE: these are defined here for reuse by both pytest's own machinery and our
 # internal bits.
@@ -45,6 +48,13 @@ def istestfunction(self, obj, name):
 
 class SpecModule(RelaxedMixin, Module):
 
+    @classmethod
+    def from_parent(cls, parent, fspath):
+        if pytest_version_info >= (5, 4):
+            return super(SpecModule, cls).from_parent(parent, fspath=fspath)
+        else:
+            return cls(parent=parent, fspath=fspath)
+
     def _is_test_obj(self, test_func, obj, name):
         # First run our super() test, which should be RelaxedMixin's.
         good_name = getattr(super(SpecModule, self), test_func)(obj, name)
@@ -69,6 +79,7 @@ def collect(self):
         # Get whatever our parent picked up as valid test items (given our
         # relaxed name constraints above). It'll be nearly all module contents.
         items = super(SpecModule, self).collect()
+
         collected = []
         for item in items:
             # Replace Class objects with recursive SpecInstances (via
@@ -80,7 +91,7 @@ def collect(self):
             # them to be handled by pytest's own unittest support) but since
             # those are almost always in test_prefixed_filenames anyways...meh
             if isinstance(item, Class):
-                item = SpecClass(item.name, item.parent)
+                item = SpecClass.from_parent(item.parent, name=item.name)
             collected.append(item)
         return collected
 
@@ -89,20 +100,34 @@ def collect(self):
 # its lonesome
 class SpecClass(Class):
 
+    @classmethod
+    def from_parent(cls, parent, name):
+        if pytest_version_info >= (5, 4):
+            return super(SpecClass, cls).from_parent(parent, name=name)
+        else:
+            return cls(parent=parent, name=name)
+
     def collect(self):
         items = super(SpecClass, self).collect()
         collected = []
         # Replace Instance objects with SpecInstance objects that know how to
         # recurse into inner classes.
         # TODO: is this ever not a one-item list? Meh.
         for item in items:
-            item = SpecInstance(name=item.name, parent=item.parent)
+            item = SpecInstance.from_parent(item.parent, name=item.name)
             collected.append(item)
         return collected
 
 
 class SpecInstance(RelaxedMixin, Instance):
 
+    @classmethod
+    def from_parent(cls, parent, name):
+        if pytest_version_info >= (5, 4):
+            return super(SpecInstance, cls).from_parent(parent, name=name)
+        else:
+            return cls(parent=parent, name=name)
+
     def _getobj(self):
         # Regular object-making first
         obj = super(SpecInstance, self)._getobj()
@@ -172,5 +197,5 @@ def _makeitem(self, name, obj):
         # recurse.
         # TODO: can we unify this with SpecModule's same bits?
         if isinstance(item, Class):
-            item = SpecClass(item.name, item.parent)
+            item = SpecClass.from_parent(item.parent, name=item.name)
         return item

pytest_relaxed/plugin.py

@@ -28,7 +28,7 @@ def pytest_collect_file(path, parent):
     ):
         # Then use our custom module class which performs modified
         # function/class selection as well as class recursion
-        return SpecModule(path, parent)
+        return SpecModule.from_parent(parent, fspath=path)
 
 
 @pytest.mark.trylast  # So we can be sure builtin terminalreporter exists

tests/test_display.py

@@ -1,4 +1,5 @@
 from pytest import skip
+from pytest import __version__ as pytest_version
 
 # Load some fixtures we expose, without actually loading our entire plugin
 from pytest_relaxed.fixtures import environ  # noqa
@@ -8,6 +9,8 @@
 # (May not be feasible if it has to assume something about how our collection
 # works?) CLI option (99% sure we can hook into that as a plugin)?
 
+pytest_version_info = tuple(map(int, pytest_version.split(".")[:3]))
+
 
 def _expect_regular_output(testdir):
     output = testdir.runpytest().stdout.str()
@@ -225,7 +228,14 @@ def behavior_four(self):
         assert "== FAILURES ==" in output
         assert "AssertionError" in output
         # Summary
-        assert "== 1 failed, 4 passed, 1 skipped in " in output
+        if pytest_version_info >= (5, 3):
+            expected_out = (
+                "== \x1b[31m\x1b[1m1 failed\x1b[0m, \x1b[32m4 passed\x1b[0m, "
+                "\x1b[33m1 skipped\x1b[0m\x1b[31m in "
+            )
+        else:
+            expected_out = "== 1 failed, 4 passed, 1 skipped in "
+        assert expected_out in output
 
     def test_nests_many_levels_deep_no_problem(self, testdir):
         testdir.makepyfile(