mirror of
https://github.com/davidhalter/parso.git
synced 2025-12-06 12:54:29 +08:00
Remove the dependency to unittest.
This commit is contained in:
Dave Halter
@@ -1,13 +0,0 @@
|
||||
"""
|
||||
A helper module for testing, improves compatibility for testing (as
|
||||
``jedi._compatibility``) as well as introducing helper functions.
|
||||
"""
|
||||
|
||||
import sys
|
||||
|
||||
if sys.hexversion < 0x02070000:
|
||||
import unittest2 as unittest
|
||||
else:
|
||||
import unittest
|
||||
|
||||
TestCase = unittest.TestCase
|
||||
@@ -13,8 +13,6 @@ from parso.python import parse as _parse, load_grammar
|
||||
from parso import ParserSyntaxError
|
||||
import pytest
|
||||
|
||||
from test.helpers import TestCase
|
||||
|
||||
|
||||
def parse(code, version='3.4'):
|
||||
code = dedent(code) + "\n\n"
|
||||
@@ -22,258 +20,251 @@ def parse(code, version='3.4'):
|
||||
return _parse(code, grammar=grammar, error_recovery=False)
|
||||
|
||||
|
||||
class TestDriver(TestCase):
|
||||
|
||||
def test_formfeed(self):
|
||||
s = """print 1\n\x0Cprint 2\n"""
|
||||
t = parse(s, '2.7')
|
||||
self.assertEqual(t.children[0].children[0].type, 'print_stmt')
|
||||
self.assertEqual(t.children[1].children[0].type, 'print_stmt')
|
||||
s = """1\n\x0C\x0C2\n"""
|
||||
t = parse(s, '2.7')
|
||||
def test_formfeed():
|
||||
s = """print 1\n\x0Cprint 2\n"""
|
||||
t = parse(s, '2.7')
|
||||
assert t.children[0].children[0].type == 'print_stmt'
|
||||
assert t.children[1].children[0].type == 'print_stmt'
|
||||
s = """1\n\x0C\x0C2\n"""
|
||||
t = parse(s, '2.7')
|
||||
|
||||
|
||||
class GrammarTest(TestCase):
|
||||
def invalid_syntax(self, code, **kwargs):
|
||||
try:
|
||||
parse(code, **kwargs)
|
||||
except ParserSyntaxError:
|
||||
pass
|
||||
else:
|
||||
raise AssertionError("Syntax shouldn't have been valid")
|
||||
def _invalid_syntax(code, **kwargs):
|
||||
try:
|
||||
parse(code, **kwargs)
|
||||
except ParserSyntaxError:
|
||||
pass
|
||||
else:
|
||||
raise AssertionError("Syntax shouldn't have been valid")
|
||||
|
||||
|
||||
class TestMatrixMultiplication(GrammarTest):
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_matrix_multiplication_operator(self):
|
||||
parse("a @ b", "3.5")
|
||||
parse("a @= b", "3.5")
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_matrix_multiplication_operator():
|
||||
parse("a @ b", "3.5")
|
||||
parse("a @= b", "3.5")
|
||||
|
||||
|
||||
class TestYieldFrom(GrammarTest):
|
||||
def test_yield_from(self):
|
||||
parse("yield from x")
|
||||
parse("(yield from x) + y")
|
||||
self.invalid_syntax("yield from")
|
||||
def test_yield_from():
|
||||
parse("yield from x")
|
||||
parse("(yield from x) + y")
|
||||
_invalid_syntax("yield from")
|
||||
|
||||
|
||||
class TestAsyncAwait(GrammarTest):
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_await_expr(self):
|
||||
parse("""async def foo():
|
||||
await x
|
||||
""", "3.5")
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_await_expr():
|
||||
parse("""async def foo():
|
||||
await x
|
||||
""", "3.5")
|
||||
|
||||
parse("""async def foo():
|
||||
parse("""async def foo():
|
||||
|
||||
def foo(): pass
|
||||
def foo(): pass
|
||||
|
||||
def foo(): pass
|
||||
def foo(): pass
|
||||
|
||||
await x
|
||||
""", "3.5")
|
||||
await x
|
||||
""", "3.5")
|
||||
|
||||
parse("""async def foo(): return await a""", "3.5")
|
||||
parse("""async def foo(): return await a""", "3.5")
|
||||
|
||||
parse("""def foo():
|
||||
def foo(): pass
|
||||
async def foo(): await x
|
||||
""", "3.5")
|
||||
parse("""def foo():
|
||||
def foo(): pass
|
||||
async def foo(): await x
|
||||
""", "3.5")
|
||||
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_await_expr_invalid():
|
||||
_invalid_syntax("await x", version="3.5")
|
||||
_invalid_syntax("""def foo():
|
||||
await x""", version="3.5")
|
||||
|
||||
_invalid_syntax("""def foo():
|
||||
def foo(): pass
|
||||
async def foo(): pass
|
||||
await x
|
||||
""", version="3.5")
|
||||
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_async_var():
|
||||
parse("""async = 1""", "3.5")
|
||||
parse("""await = 1""", "3.5")
|
||||
parse("""def async(): pass""", "3.5")
|
||||
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_async_for():
|
||||
parse("""async def foo():
|
||||
async for a in b: pass""", "3.5")
|
||||
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_async_for_invalid():
|
||||
_invalid_syntax("""def foo():
|
||||
async for a in b: pass""", version="3.5")
|
||||
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_async_with():
|
||||
parse("""async def foo():
|
||||
async with a: pass""", "3.5")
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_await_expr_invalid(self):
|
||||
self.invalid_syntax("await x", version="3.5")
|
||||
self.invalid_syntax("""def foo():
|
||||
await x""", version="3.5")
|
||||
|
||||
self.invalid_syntax("""def foo():
|
||||
def foo(): pass
|
||||
async def foo(): pass
|
||||
await x
|
||||
""", version="3.5")
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_async_var(self):
|
||||
parse("""async = 1""", "3.5")
|
||||
parse("""await = 1""", "3.5")
|
||||
parse("""def async(): pass""", "3.5")
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_async_for(self):
|
||||
parse("""async def foo():
|
||||
async for a in b: pass""", "3.5")
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_async_for_invalid(self):
|
||||
self.invalid_syntax("""def foo():
|
||||
async for a in b: pass""", version="3.5")
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
def test_async_with(self):
|
||||
parse("""async def foo():
|
||||
async with a: pass""", "3.5")
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[:2] < (3, 5)')
|
||||
@pytest.mark.xfail(reason="acting like python 3.7")
|
||||
def test_async_with_invalid(self):
|
||||
self.invalid_syntax("""def foo():
|
||||
def test_async_with_invalid():
|
||||
_invalid_syntax("""def foo():
|
||||
async with a: pass""", version="3.5")
|
||||
|
||||
|
||||
class TestRaiseChanges(GrammarTest):
|
||||
def test_2x_style_1(self):
|
||||
parse("raise")
|
||||
def test_raise_2x_style_1():
|
||||
parse("raise")
|
||||
|
||||
def test_2x_style_2(self):
|
||||
parse("raise E, V", version='2.7')
|
||||
def test_raise_2x_style_2():
|
||||
parse("raise E, V", version='2.7')
|
||||
|
||||
def test_2x_style_3(self):
|
||||
parse("raise E, V, T", version='2.7')
|
||||
def test_raise_2x_style_3():
|
||||
parse("raise E, V, T", version='2.7')
|
||||
|
||||
def test_2x_style_invalid_1(self):
|
||||
self.invalid_syntax("raise E, V, T, Z", version='2.7')
|
||||
def test_raise_2x_style_invalid_1():
|
||||
_invalid_syntax("raise E, V, T, Z", version='2.7')
|
||||
|
||||
def test_3x_style(self):
|
||||
parse("raise E1 from E2")
|
||||
def test_raise_3x_style():
|
||||
parse("raise E1 from E2")
|
||||
|
||||
def test_3x_style_invalid_1(self):
|
||||
self.invalid_syntax("raise E, V from E1")
|
||||
def test_raise_3x_style_invalid_1():
|
||||
_invalid_syntax("raise E, V from E1")
|
||||
|
||||
def test_3x_style_invalid_2(self):
|
||||
self.invalid_syntax("raise E from E1, E2")
|
||||
def test_raise_3x_style_invalid_2():
|
||||
_invalid_syntax("raise E from E1, E2")
|
||||
|
||||
def test_3x_style_invalid_3(self):
|
||||
self.invalid_syntax("raise from E1, E2")
|
||||
def test_raise_3x_style_invalid_3():
|
||||
_invalid_syntax("raise from E1, E2")
|
||||
|
||||
def test_3x_style_invalid_4(self):
|
||||
self.invalid_syntax("raise E from")
|
||||
def test_raise_3x_style_invalid_4():
|
||||
_invalid_syntax("raise E from")
|
||||
|
||||
|
||||
# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef
|
||||
class TestFunctionAnnotations(GrammarTest):
|
||||
def test_1(self):
|
||||
parse("""def f(x) -> list: pass""")
|
||||
def test_annotation_1():
|
||||
parse("""def f(x) -> list: pass""")
|
||||
|
||||
def test_2(self):
|
||||
parse("""def f(x:int): pass""")
|
||||
def test_annotation_2():
|
||||
parse("""def f(x:int): pass""")
|
||||
|
||||
def test_3(self):
|
||||
parse("""def f(*x:str): pass""")
|
||||
def test_annotation_3():
|
||||
parse("""def f(*x:str): pass""")
|
||||
|
||||
def test_4(self):
|
||||
parse("""def f(**x:float): pass""")
|
||||
def test_annotation_4():
|
||||
parse("""def f(**x:float): pass""")
|
||||
|
||||
def test_5(self):
|
||||
parse("""def f(x, y:1+2): pass""")
|
||||
def test_annotation_5():
|
||||
parse("""def f(x, y:1+2): pass""")
|
||||
|
||||
def test_6(self):
|
||||
self.invalid_syntax("""def f(a, (b:1, c:2, d)): pass""")
|
||||
def test_annotation_6():
|
||||
_invalid_syntax("""def f(a, (b:1, c:2, d)): pass""")
|
||||
|
||||
def test_7(self):
|
||||
self.invalid_syntax("""def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass""")
|
||||
def test_annotation_7():
|
||||
_invalid_syntax("""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.invalid_syntax(s)
|
||||
def test_annotation_8():
|
||||
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"""
|
||||
_invalid_syntax(s)
|
||||
|
||||
|
||||
class TestExcept(GrammarTest):
|
||||
def test_new(self):
|
||||
s = """
|
||||
try:
|
||||
x
|
||||
except E as N:
|
||||
y"""
|
||||
parse(s)
|
||||
def test_except_new():
|
||||
s = """
|
||||
try:
|
||||
x
|
||||
except E as N:
|
||||
y"""
|
||||
parse(s)
|
||||
|
||||
def test_old(self):
|
||||
s = """
|
||||
try:
|
||||
x
|
||||
except E, N:
|
||||
y"""
|
||||
parse(s, version='2.7')
|
||||
def test_except_old():
|
||||
s = """
|
||||
try:
|
||||
x
|
||||
except E, N:
|
||||
y"""
|
||||
parse(s, version='2.7')
|
||||
|
||||
|
||||
# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testAtoms
|
||||
class TestSetLiteral(GrammarTest):
|
||||
def test_1(self):
|
||||
parse("""x = {'one'}""")
|
||||
def test_set_literal_1():
|
||||
parse("""x = {'one'}""")
|
||||
|
||||
def test_2(self):
|
||||
parse("""x = {'one', 1,}""")
|
||||
def test_set_literal_2():
|
||||
parse("""x = {'one', 1,}""")
|
||||
|
||||
def test_3(self):
|
||||
parse("""x = {'one', 'two', 'three'}""")
|
||||
def test_set_literal_3():
|
||||
parse("""x = {'one', 'two', 'three'}""")
|
||||
|
||||
def test_4(self):
|
||||
parse("""x = {2, 3, 4,}""")
|
||||
def test_set_literal_4():
|
||||
parse("""x = {2, 3, 4,}""")
|
||||
|
||||
|
||||
class TestNumericLiterals(GrammarTest):
|
||||
def test_new_octal_notation(self):
|
||||
code = """0o7777777777777"""
|
||||
if py_version >= 30:
|
||||
parse(code)
|
||||
else:
|
||||
self.invalid_syntax(code)
|
||||
self.invalid_syntax("""0o7324528887""")
|
||||
def test_new_octal_notation():
|
||||
code = """0o7777777777777"""
|
||||
if py_version >= 30:
|
||||
parse(code)
|
||||
else:
|
||||
_invalid_syntax(code)
|
||||
_invalid_syntax("""0o7324528887""")
|
||||
|
||||
def test_new_binary_notation(self):
|
||||
parse("""0b101010""")
|
||||
self.invalid_syntax("""0b0101021""")
|
||||
def test_new_binary_notation():
|
||||
parse("""0b101010""")
|
||||
_invalid_syntax("""0b0101021""")
|
||||
|
||||
|
||||
class TestClassDef(GrammarTest):
|
||||
def test_new_syntax(self):
|
||||
parse("class B(t=7): pass")
|
||||
parse("class B(t, *args): pass")
|
||||
parse("class B(t, **kwargs): pass")
|
||||
parse("class B(t, *args, **kwargs): pass")
|
||||
parse("class B(t, y=9, *args, **kwargs): pass")
|
||||
def test_class_new_syntax():
|
||||
parse("class B(t=7): pass")
|
||||
parse("class B(t, *args): pass")
|
||||
parse("class B(t, **kwargs): pass")
|
||||
parse("class B(t, *args, **kwargs): pass")
|
||||
parse("class B(t, y=9, *args, **kwargs): pass")
|
||||
|
||||
|
||||
class TestParserIdempotency(TestCase):
|
||||
def test_parser_idempotency_extended_unpacking():
|
||||
"""A cut-down version of pytree_idempotency.py."""
|
||||
def test_extended_unpacking(self):
|
||||
parse("a, *b, c = x\n")
|
||||
parse("[*a, b] = x\n")
|
||||
parse("(z, *y, w) = m\n")
|
||||
parse("for *z, m in d: pass\n")
|
||||
parse("a, *b, c = x\n")
|
||||
parse("[*a, b] = x\n")
|
||||
parse("(z, *y, w) = m\n")
|
||||
parse("for *z, m in d: pass\n")
|
||||
|
||||
|
||||
class TestLiterals(GrammarTest):
|
||||
# It's not possible to get the same result when using \xaa in Python 2/3,
|
||||
# because it's treated differently.
|
||||
@pytest.mark.skipif('sys.version_info[0] < 3')
|
||||
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")
|
||||
"""
|
||||
parse(s)
|
||||
@pytest.mark.skipif('sys.version_info[0] < 3')
|
||||
def test_multiline_bytes_literals():
|
||||
"""
|
||||
It's not possible to get the same result when using \xaa in Python 2/3,
|
||||
because it's treated differently.
|
||||
"""
|
||||
s = """
|
||||
md5test(b"\xaa" * 80,
|
||||
(b"Test Using Larger Than Block-Size Key "
|
||||
b"and Larger Than One Block-Size Data"),
|
||||
"6f630fad67cda0ee1fb1f562db3aa53e")
|
||||
"""
|
||||
parse(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">
|
||||
"""
|
||||
'''
|
||||
parse(s)
|
||||
def test_multiline_bytes_tripquote_literals():
|
||||
s = '''
|
||||
b"""
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN">
|
||||
"""
|
||||
'''
|
||||
parse(s)
|
||||
|
||||
@pytest.mark.skipif('sys.version_info[0] < 3')
|
||||
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")
|
||||
"""
|
||||
parse(s)
|
||||
@pytest.mark.skipif('sys.version_info[0] < 3')
|
||||
def test_multiline_str_literals():
|
||||
s = """
|
||||
md5test("\xaa" * 80,
|
||||
("Test Using Larger Than Block-Size Key "
|
||||
"and Larger Than One Block-Size Data"),
|
||||
"6f630fad67cda0ee1fb1f562db3aa53e")
|
||||
"""
|
||||
parse(s)
|
||||
|
||||
Reference in New Issue
Block a user