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cpython/Lib/lib2to3/fixes/fix_asserts.py

35 lines
984 B
Python

"""Fixer that replaces deprecated unittest method names."""
# Author: Ezio Melotti
from ..fixer_base import BaseFix
from ..fixer_util import Name
NAMES = dict(
assert_="assertTrue",
assertEquals="assertEqual",
assertNotEquals="assertNotEqual",
assertAlmostEquals="assertAlmostEqual",
assertNotAlmostEquals="assertNotAlmostEqual",
assertRegexpMatches="assertRegex",
assertRaisesRegexp="assertRaisesRegex",
failUnlessEqual="assertEqual",
failIfEqual="assertNotEqual",
failUnlessAlmostEqual="assertAlmostEqual",
failIfAlmostEqual="assertNotAlmostEqual",
failUnless="assertTrue",
failUnlessRaises="assertRaises",
failIf="assertFalse",
)
class FixAsserts(BaseFix):
PATTERN = """
power< any+ trailer< '.' meth=(%s)> any* >
""" % '|'.join(map(repr, NAMES))
def transform(self, node, results):
name = results["meth"][0]
name.replace(Name(NAMES[str(name)], prefix=name.prefix))