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https://github.com/yuzu-emu/mbedtls
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Fix Python 2 & 3 compatibility in test_generate_test_code.py
This commit is contained in:
Mohammad Azim Khan
parent
32cbcdac8f
commit
539aa06f64
1 changed files with 60 additions and 13 deletions
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@ -23,9 +23,19 @@ Unit tests for generate_test_code.py
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"""
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from StringIO import StringIO
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try:
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# Python 2
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from StringIO import StringIO
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except ImportError:
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# Python 3
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from io import StringIO
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from unittest import TestCase, main as unittest_main
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from mock import patch
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try:
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# Python 2
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from mock import patch
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except ImportError:
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# Python 3
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from unittest.mock import patch
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from generate_test_code import gen_dependencies, gen_dependencies_one_line
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from generate_test_code import gen_function_wrapper, gen_dispatch
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from generate_test_code import parse_until_pattern, GeneratorInputError
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@ -307,9 +317,16 @@ class StringIOWrapper(StringIO, object):
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:return: Line read from file.
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"""
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line = super(StringIOWrapper, self).next()
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parent = super(StringIOWrapper, self)
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if getattr(parent, 'next', None):
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# Python 2
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line = parent.next()
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else:
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# Python 3
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line = parent.__next__()
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return line
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# Python 3
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__next__ = next
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def readline(self, length=0):
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@ -532,6 +549,38 @@ class ParseFunctionCode(TestCase):
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Test suite for testing parse_function_code()
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"""
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def assert_raises_regex(self, exp, regex, func, *args):
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"""
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Python 2 & 3 portable wrapper of assertRaisesRegex(p)? function.
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:param exp: Exception type expected to be raised by cb.
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:param regex: Expected exception message
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:param func: callable object under test
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:param args: variable positional arguments
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"""
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parent = super(ParseFunctionCode, self)
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# Pylint does not appreciate that the super method called
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# conditionally can be available in other Python version
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# then that of Pylint.
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# Workaround is to call the method via getattr.
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# Pylint ignores that the method got via getattr is
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# conditionally executed. Method has to be a callable.
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# Hence, using a dummy callable for getattr default.
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dummy = lambda *x: None
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# First Python 3 assertRaisesRegex is checked, since Python 2
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# assertRaisesRegexp is also available in Python 3 but is
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# marked deprecated.
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for name in ('assertRaisesRegex', 'assertRaisesRegexp'):
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method = getattr(parent, name, dummy)
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if method is not dummy:
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method(exp, regex, func, *args)
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break
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else:
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raise AttributeError(" 'ParseFunctionCode' object has no attribute"
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" 'assertRaisesRegex' or 'assertRaisesRegexp'"
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)
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def test_no_function(self):
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"""
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Test no test function found.
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@ -544,8 +593,8 @@ function
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'''
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stream = StringIOWrapper('test_suite_ut.function', data)
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err_msg = 'file: test_suite_ut.function - Test functions not found!'
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self.assertRaisesRegexp(GeneratorInputError, err_msg,
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parse_function_code, stream, [], [])
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self.assert_raises_regex(GeneratorInputError, err_msg,
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parse_function_code, stream, [], [])
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def test_no_end_case_comment(self):
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"""
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@ -560,8 +609,8 @@ void test_func()
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stream = StringIOWrapper('test_suite_ut.function', data)
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err_msg = r'file: test_suite_ut.function - '\
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'end case pattern .*? not found!'
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self.assertRaisesRegexp(GeneratorInputError, err_msg,
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parse_function_code, stream, [], [])
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self.assert_raises_regex(GeneratorInputError, err_msg,
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parse_function_code, stream, [], [])
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@patch("generate_test_code.parse_function_arguments")
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def test_function_called(self,
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@ -678,8 +727,8 @@ exit:
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data = 'int entropy_threshold( char * a, data_t * h, int result )'
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err_msg = 'file: test_suite_ut.function - Test functions not found!'
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stream = StringIOWrapper('test_suite_ut.function', data)
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self.assertRaisesRegexp(GeneratorInputError, err_msg,
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parse_function_code, stream, [], [])
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self.assert_raises_regex(GeneratorInputError, err_msg,
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parse_function_code, stream, [], [])
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@patch("generate_test_code.gen_dispatch")
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@patch("generate_test_code.gen_dependencies")
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@ -1155,8 +1204,7 @@ dhm_do_dhm:10:"93450983094850938450983409623":10:"9345098304850938450983409622"
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for _, _, _, _ in parse_test_data(stream):
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pass
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except GeneratorInputError as err:
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pass
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self.assertEqual(type(err), GeneratorInputError)
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self.assertEqual(type(err), GeneratorInputError)
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def test_incomplete_data(self):
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"""
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@ -1174,8 +1222,7 @@ depends_on:YAHOO
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for _, _, _, _ in parse_test_data(stream):
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pass
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except GeneratorInputError as err:
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pass
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self.assertEqual(type(err), GeneratorInputError)
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self.assertEqual(type(err), GeneratorInputError)
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class GenDepCheck(TestCase):
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