pdb: modernize find_function() and add tests for it.
Closes #18714.
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index e17f933..7993d02 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -620,6 +620,36 @@
stderr = stderr and bytes.decode(stderr)
return stdout, stderr
+ def _assert_find_function(self, file_content, func_name, expected):
+ file_content = textwrap.dedent(file_content)
+
+ with open(support.TESTFN, 'w') as f:
+ f.write(file_content)
+
+ expected = None if not expected else (
+ expected[0], support.TESTFN, expected[1])
+ self.assertEqual(
+ expected, pdb.find_function(func_name, support.TESTFN))
+
+ def test_find_function_empty_file(self):
+ self._assert_find_function('', 'foo', None)
+
+ def test_find_function_found(self):
+ self._assert_find_function(
+ """\
+ def foo():
+ pass
+
+ def bar():
+ pass
+
+ def quux():
+ pass
+ """,
+ 'bar',
+ ('bar', 4),
+ )
+
def test_issue7964(self):
# open the file as binary so we can force \r\n newline
with open(support.TESTFN, 'wb') as f: