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How to use invalid_syntax method in autotest
Best Python code snippet using autotest_python
test_pgen2.py
Source:test_pgen2.py 
...21 self.assertEqual(t.children[1].children[0].type, 'print_stmt')22 s = """1\n\x0C\x0C2\n"""23 t = parse(s, '2.7')24class GrammarTest(TestCase):25 def invalid_syntax(self, code, **kwargs):26 try:27 parse(code, **kwargs)28 except ParseError:29 pass30 else:31 raise AssertionError("Syntax shouldn't have been valid")32class TestMatrixMultiplication(GrammarTest):33 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')34 def test_matrix_multiplication_operator(self):35 parse("a @ b", "3.5")36 parse("a @= b", "3.5")37class TestYieldFrom(GrammarTest):38 def test_yield_from(self):39 parse("yield from x")40 parse("(yield from x) + y")41 self.invalid_syntax("yield from")42class TestAsyncAwait(GrammarTest):43 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')44 def test_await_expr(self):45 parse("""async def foo():46 await x47 """, "3.5")48 parse("""async def foo():49 def foo(): pass50 def foo(): pass51 await x52 """, "3.5")53 parse("""async def foo(): return await a""", "3.5")54 parse("""def foo():55 def foo(): pass56 async def foo(): await x57 """, "3.5")58 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')59 @pytest.mark.xfail(reason="acting like python 3.7")60 def test_await_expr_invalid(self):61 self.invalid_syntax("await x", version="3.5")62 self.invalid_syntax("""def foo():63 await x""", version="3.5")64 self.invalid_syntax("""def foo():65 def foo(): pass66 async def foo(): pass67 await x68 """, version="3.5")69 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')70 @pytest.mark.xfail(reason="acting like python 3.7")71 def test_async_var(self):72 parse("""async = 1""", "3.5")73 parse("""await = 1""", "3.5")74 parse("""def async(): pass""", "3.5")75 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')76 def test_async_for(self):77 parse("""async def foo():78 async for a in b: pass""", "3.5")79 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')80 @pytest.mark.xfail(reason="acting like python 3.7")81 def test_async_for_invalid(self):82 self.invalid_syntax("""def foo():83 async for a in b: pass""", version="3.5")84 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')85 def test_async_with(self):86 parse("""async def foo():87 async with a: pass""", "3.5")88 @pytest.mark.skipif('sys.version_info[:2] < (3, 5)')89 @pytest.mark.xfail(reason="acting like python 3.7")90 def test_async_with_invalid(self):91 self.invalid_syntax("""def foo():92 async with a: pass""", version="3.5")93class TestRaiseChanges(GrammarTest):94 def test_2x_style_1(self):95 parse("raise")96 def test_2x_style_2(self):97 parse("raise E, V", version='2.7')98 def test_2x_style_3(self):99 parse("raise E, V, T", version='2.7')100 def test_2x_style_invalid_1(self):101 self.invalid_syntax("raise E, V, T, Z", version='2.7')102 def test_3x_style(self):103 parse("raise E1 from E2")104 def test_3x_style_invalid_1(self):105 self.invalid_syntax("raise E, V from E1")106 def test_3x_style_invalid_2(self):107 self.invalid_syntax("raise E from E1, E2")108 def test_3x_style_invalid_3(self):109 self.invalid_syntax("raise from E1, E2")110 def test_3x_style_invalid_4(self):111 self.invalid_syntax("raise E from")112# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef113class TestFunctionAnnotations(GrammarTest):114 def test_1(self):115 parse("""def f(x) -> list: pass""")116 def test_2(self):117 parse("""def f(x:int): pass""")118 def test_3(self):119 parse("""def f(*x:str): pass""")120 def test_4(self):121 parse("""def f(**x:float): pass""")122 def test_5(self):123 parse("""def f(x, y:1+2): pass""")124 def test_6(self):125 self.invalid_syntax("""def f(a, (b:1, c:2, d)): pass""")126 def test_7(self):127 self.invalid_syntax("""def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass""")128 def test_8(self):129 s = """def f(a, (b:1, c:2, d), e:3=4, f=5,130 *g:6, h:7, i=8, j:9=10, **k:11) -> 12: pass"""131 self.invalid_syntax(s)132class TestExcept(GrammarTest):133 def test_new(self):134 s = """135 try:136 x137 except E as N:138 y"""139 parse(s)140 def test_old(self):141 s = """142 try:143 x144 except E, N:145 y"""146 parse(s, version='2.7')147# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testAtoms148class TestSetLiteral(GrammarTest):149 def test_1(self):150 parse("""x = {'one'}""")151 def test_2(self):152 parse("""x = {'one', 1,}""")153 def test_3(self):154 parse("""x = {'one', 'two', 'three'}""")155 def test_4(self):156 parse("""x = {2, 3, 4,}""")157class TestNumericLiterals(GrammarTest):158 def test_new_octal_notation(self):159 code = """0o7777777777777"""160 if is_py3:161 parse(code)162 else:163 self.invalid_syntax(code)164 self.invalid_syntax("""0o7324528887""")165 def test_new_binary_notation(self):166 parse("""0b101010""")167 self.invalid_syntax("""0b0101021""")168class TestClassDef(GrammarTest):169 def test_new_syntax(self):170 parse("class B(t=7): pass")171 parse("class B(t, *args): pass")172 parse("class B(t, **kwargs): pass")173 parse("class B(t, *args, **kwargs): pass")174 parse("class B(t, y=9, *args, **kwargs): pass")175class TestParserIdempotency(TestCase):176 """A cut-down version of pytree_idempotency.py."""177 def test_extended_unpacking(self):178 parse("a, *b, c = x\n")179 parse("[*a, b] = x\n")180 parse("(z, *y, w) = m\n")181 parse("for *z, m in d: pass\n")...
test_parser.py
Source:test_parser.py
...23 self.assertEqual(t.children[1].children[0].type, syms.print_stmt)24class GrammarTest(support.TestCase):25 def validate(self, code):26 support.parse_string(code)27 def invalid_syntax(self, code):28 try:29 self.validate(code)30 except ParseError:31 pass32 else:33 raise AssertionError("Syntax shouldn't have been valid")34class TestMatrixMultiplication(GrammarTest):35 def test_matrix_multiplication_operator(self):36 self.validate("a @ b")37 self.validate("a @= b")38class TestYieldFrom(GrammarTest):39 def test_matrix_multiplication_operator(self):40 self.validate("yield from x")41 self.validate("(yield from x) + y")42 self.invalid_syntax("yield from")43class TestRaiseChanges(GrammarTest):44 def test_2x_style_1(self):45 self.validate("raise")46 def test_2x_style_2(self):47 self.validate("raise E, V")48 def test_2x_style_3(self):49 self.validate("raise E, V, T")50 def test_2x_style_invalid_1(self):51 self.invalid_syntax("raise E, V, T, Z")52 def test_3x_style(self):53 self.validate("raise E1 from E2")54 def test_3x_style_invalid_1(self):55 self.invalid_syntax("raise E, V from E1")56 def test_3x_style_invalid_2(self):57 self.invalid_syntax("raise E from E1, E2")58 def test_3x_style_invalid_3(self):59 self.invalid_syntax("raise from E1, E2")60 def test_3x_style_invalid_4(self):61 self.invalid_syntax("raise E from")62# Adaptated from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef63class TestFunctionAnnotations(GrammarTest):64 def test_1(self):65 self.validate("""def f(x) -> list: pass""")66 def test_2(self):67 self.validate("""def f(x:int): pass""")68 def test_3(self):69 self.validate("""def f(*x:str): pass""")70 def test_4(self):71 self.validate("""def f(**x:float): pass""")72 def test_5(self):73 self.validate("""def f(x, y:1+2): pass""")74 def test_6(self):75 self.validate("""def f(a, (b:1, c:2, d)): pass""")76 def test_7(self):77 self.validate("""def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass""")78 def test_8(self):79 s = """def f(a, (b:1, c:2, d), e:3=4, f=5,80 *g:6, h:7, i=8, j:9=10, **k:11) -> 12: pass"""81 self.validate(s)82class TestExcept(GrammarTest):83 def test_new(self):84 s = """85 try:86 x87 except E as N:88 y"""89 self.validate(s)90 def test_old(self):91 s = """92 try:93 x94 except E, N:95 y"""96 self.validate(s)97# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testAtoms98class TestSetLiteral(GrammarTest):99 def test_1(self):100 self.validate("""x = {'one'}""")101 def test_2(self):102 self.validate("""x = {'one', 1,}""")103 def test_3(self):104 self.validate("""x = {'one', 'two', 'three'}""")105 def test_4(self):106 self.validate("""x = {2, 3, 4,}""")107class TestNumericLiterals(GrammarTest):108 def test_new_octal_notation(self):109 self.validate("""0o7777777777777""")110 self.invalid_syntax("""0o7324528887""")111 def test_new_binary_notation(self):112 self.validate("""0b101010""")113 self.invalid_syntax("""0b0101021""")114class TestClassDef(GrammarTest):115 def test_new_syntax(self):116 self.validate("class B(t=7): pass")117 self.validate("class B(t, *args): pass")118 self.validate("class B(t, **kwargs): pass")119 self.validate("class B(t, *args, **kwargs): pass")120 self.validate("class B(t, y=9, *args, **kwargs): pass")121class TestParserIdempotency(support.TestCase):122 """A cut-down version of pytree_idempotency.py."""123 def test_all_project_files(self):124 if sys.platform.startswith("win"):125 # XXX something with newlines goes wrong on Windows.126 return127 for filepath in support.all_project_files():...
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