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1"""Fixer that replaces deprecated unittest method names."""
2
3# Author: Ezio Melotti
4
5from ..fixer_base import BaseFix
6from ..fixer_util import Name
7
8NAMES = dict(
9    assert_="assertTrue",
10    assertEquals="assertEqual",
11    assertNotEquals="assertNotEqual",
12    assertAlmostEquals="assertAlmostEqual",
13    assertNotAlmostEquals="assertNotAlmostEqual",
14    assertRegexpMatches="assertRegex",
15    assertRaisesRegexp="assertRaisesRegex",
16    failUnlessEqual="assertEqual",
17    failIfEqual="assertNotEqual",
18    failUnlessAlmostEqual="assertAlmostEqual",
19    failIfAlmostEqual="assertNotAlmostEqual",
20    failUnless="assertTrue",
21    failUnlessRaises="assertRaises",
22    failIf="assertFalse",
23)
24
25
26class FixAsserts(BaseFix):
27
28    PATTERN = """
29              power< any+ trailer< '.' meth=(%s)> any* >
30              """ % '|'.join(map(repr, NAMES))
31
32    def transform(self, node, results):
33        name = results["meth"][0]
34        name.replace(Name(NAMES[str(name)], prefix=name.prefix))
35