[Python-checkins] gh-94808: Coverage: Test that maximum indentation level is handled (#95926)
nanjekyejoannah
webhook-mailer at python.org
Thu Oct 6 13:39:26 EDT 2022
https://github.com/python/cpython/commit/23e83a84651bbcf1f3778baf3ab0b4cbfead75e3
commit: 23e83a84651bbcf1f3778baf3ab0b4cbfead75e3
branch: main
author: Michael Droettboom <mdboom at gmail.com>
committer: nanjekyejoannah <33177550+nanjekyejoannah at users.noreply.github.com>
date: 2022-10-06T10:39:17-07:00
summary:
gh-94808: Coverage: Test that maximum indentation level is handled (#95926)
* gh-94808: Coverage: Test that maximum indentation level is handled
* Use "compile" rather than "exec"
files:
M Lib/test/test_tokenize.py
diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py
index 1272e1e9be00..47f2c06685bc 100644
--- a/Lib/test/test_tokenize.py
+++ b/Lib/test/test_tokenize.py
@@ -3,7 +3,7 @@
from tokenize import (tokenize, _tokenize, untokenize, NUMBER, NAME, OP,
STRING, ENDMARKER, ENCODING, tok_name, detect_encoding,
open as tokenize_open, Untokenizer, generate_tokens,
- NEWLINE, _generate_tokens_from_c_tokenizer)
+ NEWLINE, _generate_tokens_from_c_tokenizer, DEDENT)
from io import BytesIO, StringIO
import unittest
from textwrap import dedent
@@ -2512,6 +2512,26 @@ def get_tokens(string):
self.assertRaises(SyntaxError, get_tokens, "("*1000+"a"+")"*1000)
self.assertRaises(SyntaxError, get_tokens, "]")
+ def test_max_indent(self):
+ MAXINDENT = 100
+
+ def generate_source(indents):
+ source = ''.join((' ' * x) + 'if True:\n' for x in range(indents))
+ source += ' ' * indents + 'pass\n'
+ return source
+
+ valid = generate_source(MAXINDENT - 1)
+ tokens = list(_generate_tokens_from_c_tokenizer(valid))
+ self.assertEqual(tokens[-1].type, DEDENT)
+ compile(valid, "<string>", "exec")
+
+ invalid = generate_source(MAXINDENT)
+ tokens = list(_generate_tokens_from_c_tokenizer(invalid))
+ self.assertEqual(tokens[-1].type, NEWLINE)
+ self.assertRaises(
+ IndentationError, compile, invalid, "<string>", "exec"
+ )
+
def test_continuation_lines_indentation(self):
def get_tokens(string):
return [(kind, string) for (kind, string, *_) in _generate_tokens_from_c_tokenizer(string)]
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