Major fixes and new features

venv/lib/python3.12/site-packages/pyflakes/test/harness.py

@@ -0,0 +1,34 @@
+import ast
+import textwrap
+import unittest
+
+from pyflakes import checker
+
+__all__ = ['TestCase', 'skip', 'skipIf']
+
+skip = unittest.skip
+skipIf = unittest.skipIf
+
+
+class TestCase(unittest.TestCase):
+
+    withDoctest = False
+
+    def flakes(self, input, *expectedOutputs, **kw):
+        tree = ast.parse(textwrap.dedent(input))
+        if kw.get('is_segment'):
+            tree = tree.body[0]
+            kw.pop('is_segment')
+        w = checker.Checker(tree, withDoctest=self.withDoctest, **kw)
+        outputs = [type(o) for o in w.messages]
+        expectedOutputs = list(expectedOutputs)
+        outputs.sort(key=lambda t: t.__name__)
+        expectedOutputs.sort(key=lambda t: t.__name__)
+        self.assertEqual(outputs, expectedOutputs, '''\
+for input:
+{}
+expected outputs:
+{!r}
+but got:
+{}'''.format(input, expectedOutputs, '\n'.join([str(o) for o in w.messages])))
+        return w