llvm-capstone/llvm/utils/filecheck_lint/filecheck_lint_test.py
Tobias Hieta b71edfaa4e
[NFC][Py Reformat] Reformat python files in llvm
This is the first commit in a series that will reformat
all the python files in the LLVM repository.

Reformatting is done with `black`.

See more information here:

https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style

Reviewed By: jhenderson, JDevlieghere, MatzeB

Differential Revision: https://reviews.llvm.org/D150545
2023-05-17 10:48:52 +02:00

83 lines
3.1 KiB
Python

# ===----------------------------------------------------------------------===##
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
# ===----------------------------------------------------------------------===##
import unittest
import filecheck_lint as fcl
class TestParser(unittest.TestCase):
def test_parse_all_additional_prefixes(self):
def run(content, expected_prefixes):
prefixes = set(fcl.parse_custom_prefixes(content))
for prefix in expected_prefixes:
self.assertIn(prefix, prefixes)
for content, expected_prefixes in [
("-check-prefix=PREFIX", {"PREFIX"}),
("-check-prefix='PREFIX'", {"PREFIX"}),
('-check-prefix="PREFIX"', {"PREFIX"}),
("-check-prefix PREFIX", {"PREFIX"}),
("-check-prefix PREFIX", {"PREFIX"}),
("-check-prefixes=PREFIX1,PREFIX2", {"PREFIX1", "PREFIX2"}),
("-check-prefixes PREFIX1,PREFIX2", {"PREFIX1", "PREFIX2"}),
(
"""-check-prefix=PREFIX1 -check-prefix PREFIX2
-check-prefixes=PREFIX3,PREFIX4 -check-prefix=PREFIX5
-check-prefixes PREFIX6,PREFIX7 -check-prefixes=PREFIX8',
""", # pylint: disable=bad-continuation
{f"PREFIX{i}" for i in range(1, 9)},
),
]:
run(content, expected_prefixes)
def test_additional_prefixes_uniquely(self):
lines = ["--check-prefix=SOME-PREFIX", "--check-prefix=SOME-PREFIX"]
prefixes = set(fcl.parse_custom_prefixes("\n".join(lines)))
assert len(prefixes) == 1
class TestTypoDetection(unittest.TestCase):
def test_find_potential_directives_comment_prefix(self):
lines = ["junk; CHCK1:", "junk// CHCK2:", "SOME CHCK3:"]
content = "\n".join(lines)
results = list(fcl.find_potential_directives(content))
assert len(results) == 3
pos, match = results[0]
assert (
pos.line == 1
and pos.start_column == len("junk; ") + 1
and pos.end_column == len(lines[0]) - 1
)
assert match == "CHCK1"
pos, match = results[1]
assert (
pos.line == 2
and pos.start_column == len("junk// ") + 1
and pos.end_column == len(lines[1]) - 1
)
assert match == "CHCK2"
pos, match = results[2]
assert (
pos.line == 3
and pos.start_column == 1
and pos.end_column == len(lines[2]) - 1
)
assert match == "SOME CHCK3"
def test_levenshtein(self):
for s1, s2, distance in [
("Levenshtein", "Levenstin", 2), # 2 insertions
("Levenshtein", "Levenstherin", 3), # 1 insertion, 2 deletions
("Levenshtein", "Lenvinshtein", 2), # 1 deletion, 1 substitution
("Levenshtein", "Levenshtein", 0), # identical strings
]:
assert fcl.levenshtein(s1, s2) == distance