[Python-checkins] [3.12] gh-106368: Increase Argument Clinic test coverage for IndentStack (GH-106933) (#106943)

[erlend-aasland]

https://github.com/python/cpython/commit/807afdac416356c5e4558f11a8e1cfc5f0c86dd7
commit: 807afdac416356c5e4558f11a8e1cfc5f0c86dd7
branch: 3.12
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: erlend-aasland <erlend.aasland at protonmail.com>
date: 2023-07-21T06:32:30Z
summary:

[3.12] gh-106368: Increase Argument Clinic test coverage for IndentStack (GH-106933) (#106943)

(cherry picked from commit 8d228cf66f316803e95685d6553084f3d60cd9c5)

Co-authored-by: Erlend E. Aasland <erlend at python.org>

files:
M Lib/test/test_clinic.py

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index e925ecca1b9c5..7c725e33f5392 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -1035,6 +1035,25 @@ def test_function_not_at_column_0(self):
                 Nested docstring here, goeth.
         """)
 
+    def test_indent_stack_no_tabs(self):
+        out = self.parse_function_should_fail("""
+            module foo
+            foo.bar
+               *vararg1: object
+            \t*vararg2: object
+        """)
+        msg = "Tab characters are illegal in the Clinic DSL."
+        self.assertIn(msg, out)
+
+    def test_indent_stack_illegal_outdent(self):
+        out = self.parse_function_should_fail("""
+            module foo
+            foo.bar
+              a: object
+             b: object
+        """)
+        self.assertIn("Illegal outdent", out)
+
     def test_directive(self):
         c = FakeClinic()
         parser = DSLParser(c)