1 """Support code for test_*.py files"""

     2 # Author: Collin Winter

     3 

     4 # Python imports

     5 import unittest

     6 import sys

     7 import os

     8 import os.path

     9 import re

    10 from textwrap import dedent

    11 

    12 #sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))

    13 

    14 # Local imports

    15 from .. import pytree

    16 from .. import refactor

    17 from ..pgen2 import driver

    18 

    19 test_dir = os.path.dirname(__file__)

    20 proj_dir = os.path.normpath(os.path.join(test_dir, ".."))

    21 grammar_path = os.path.join(test_dir, "..", "Grammar.txt")

    22 grammar = driver.load_grammar(grammar_path)

    23 driver = driver.Driver(grammar, convert=pytree.convert)

    24 

    25 def parse_string(string):

    26     return driver.parse_string(reformat(string), debug=True)

    27 

    28 # Python 2.3's TestSuite is not iter()-able

    29 if sys.version_info < (2, 4):

    30     def TestSuite_iter(self):

    31         return iter(self._tests)

    32     unittest.TestSuite.__iter__ = TestSuite_iter

    33 

    34 def run_all_tests(test_mod=None, tests=None):

    35     if tests is None:

    36         tests = unittest.TestLoader().loadTestsFromModule(test_mod)

    37     unittest.TextTestRunner(verbosity=2).run(tests)

    38 

    39 def reformat(string):

    40     return dedent(string) + "\n\n"

    41 

    42 def get_refactorer(fixers=None, options=None):

    43     """

    44     A convenience function for creating a RefactoringTool for tests.

    45 

    46     fixers is a list of fixers for the RefactoringTool to use. By default

    47     "lib2to3.fixes.*" is used. options is an optional dictionary of options to

    48     be passed to the RefactoringTool.

    49     """

    50     if fixers is not None:

    51         fixers = ["lib2to3.fixes.fix_" + fix for fix in fixers]

    52     else:

    53         fixers = refactor.get_fixers_from_package("lib2to3.fixes")

    54     options = options or {}

    55     return refactor.RefactoringTool(fixers, options, explicit=True)

    56 

    57 def all_project_files():

    58     for dirpath, dirnames, filenames in os.walk(proj_dir):

    59         for filename in filenames:

    60             if filename.endswith(".py"):

    61                 yield os.path.join(dirpath, filename)

    62 

    63 TestCase = unittest.TestCase