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Diffstat (limited to 'Lib/lib2to3/tests/test_parser.py')
-rw-r--r-- | Lib/lib2to3/tests/test_parser.py | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/Lib/lib2to3/tests/test_parser.py b/Lib/lib2to3/tests/test_parser.py deleted file mode 100644 index 12c8414..0000000 --- a/Lib/lib2to3/tests/test_parser.py +++ /dev/null @@ -1,202 +0,0 @@ -#!/usr/bin/env python2.5 -"""Test suite for 2to3's parser and grammar files. - -This is the place to add tests for changes to 2to3's grammar, such as those -merging the grammars for Python 2 and 3. In addition to specific tests for -parts of the grammar we've changed, we also make sure we can parse the -test_grammar.py files from both Python 2 and Python 3. -""" -# Author: Collin Winter - -# Testing imports -from . import support -from .support import driver, test_dir - -# Python imports -import os -import os.path - -# Local imports -from ..pgen2.parse import ParseError - - -class GrammarTest(support.TestCase): - def validate(self, code): - support.parse_string(code) - - def invalid_syntax(self, code): - try: - self.validate(code) - except ParseError: - pass - else: - raise AssertionError("Syntax shouldn't have been valid") - - -class TestRaiseChanges(GrammarTest): - def test_2x_style_1(self): - self.validate("raise") - - def test_2x_style_2(self): - self.validate("raise E, V") - - def test_2x_style_3(self): - self.validate("raise E, V, T") - - def test_2x_style_invalid_1(self): - self.invalid_syntax("raise E, V, T, Z") - - def test_3x_style(self): - self.validate("raise E1 from E2") - - def test_3x_style_invalid_1(self): - self.invalid_syntax("raise E, V from E1") - - def test_3x_style_invalid_2(self): - self.invalid_syntax("raise E from E1, E2") - - def test_3x_style_invalid_3(self): - self.invalid_syntax("raise from E1, E2") - - def test_3x_style_invalid_4(self): - self.invalid_syntax("raise E from") - - -# Adapated from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef -class TestFunctionAnnotations(GrammarTest): - def test_1(self): - self.validate("""def f(x) -> list: pass""") - - def test_2(self): - self.validate("""def f(x:int): pass""") - - def test_3(self): - self.validate("""def f(*x:str): pass""") - - def test_4(self): - self.validate("""def f(**x:float): pass""") - - def test_5(self): - self.validate("""def f(x, y:1+2): pass""") - - def test_6(self): - self.validate("""def f(a, (b:1, c:2, d)): pass""") - - def test_7(self): - self.validate("""def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass""") - - def test_8(self): - s = """def f(a, (b:1, c:2, d), e:3=4, f=5, - *g:6, h:7, i=8, j:9=10, **k:11) -> 12: pass""" - self.validate(s) - - -class TestExcept(GrammarTest): - def test_new(self): - s = """ - try: - x - except E as N: - y""" - self.validate(s) - - def test_old(self): - s = """ - try: - x - except E, N: - y""" - self.validate(s) - - -# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testAtoms -class TestSetLiteral(GrammarTest): - def test_1(self): - self.validate("""x = {'one'}""") - - def test_2(self): - self.validate("""x = {'one', 1,}""") - - def test_3(self): - self.validate("""x = {'one', 'two', 'three'}""") - - def test_4(self): - self.validate("""x = {2, 3, 4,}""") - - -class TestNumericLiterals(GrammarTest): - def test_new_octal_notation(self): - self.validate("""0o7777777777777""") - self.invalid_syntax("""0o7324528887""") - - def test_new_binary_notation(self): - self.validate("""0b101010""") - self.invalid_syntax("""0b0101021""") - - -class TestClassDef(GrammarTest): - def test_new_syntax(self): - self.validate("class B(t=7): pass") - self.validate("class B(t, *args): pass") - self.validate("class B(t, **kwargs): pass") - self.validate("class B(t, *args, **kwargs): pass") - self.validate("class B(t, y=9, *args, **kwargs): pass") - - -class TestParserIdempotency(support.TestCase): - - """A cut-down version of pytree_idempotency.py.""" - - def test_all_project_files(self): - for filepath in support.all_project_files(): - print "Parsing %s..." % filepath - tree = driver.parse_file(filepath, debug=True) - if diff(filepath, tree): - self.fail("Idempotency failed: %s" % filepath) - - -class TestLiterals(GrammarTest): - - def test_multiline_bytes_literals(self): - s = """ - md5test(b"\xaa" * 80, - (b"Test Using Larger Than Block-Size Key " - b"and Larger Than One Block-Size Data"), - "6f630fad67cda0ee1fb1f562db3aa53e") - """ - self.validate(s) - - def test_multiline_bytes_tripquote_literals(self): - s = ''' - b""" - <?xml version="1.0" encoding="UTF-8"?> - <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"> - """ - ''' - self.validate(s) - - def test_multiline_str_literals(self): - s = """ - md5test("\xaa" * 80, - ("Test Using Larger Than Block-Size Key " - "and Larger Than One Block-Size Data"), - "6f630fad67cda0ee1fb1f562db3aa53e") - """ - self.validate(s) - - -def diff(fn, tree): - f = open("@", "w") - try: - f.write(str(tree)) - finally: - f.close() - try: - return os.system("diff -u %r @" % fn) - finally: - os.remove("@") - - -if __name__ == "__main__": - import __main__ - support.run_all_tests(__main__) |