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"""
These tests test the cases that the old fast parser tested with the normal
parser.
The old fast parser doesn't exist anymore and was replaced with a diff parser.
However the tests might still be relevant for the parser.
"""
from textwrap import dedent
from parso import parse
def test_carriage_return_splitting():
source = dedent('''
"string"
class Foo():
pass
''')
source = source.replace('\n', '\r\n')
module = parse(source)
assert [n.value for lst in module.get_used_names().values() for n in lst] == ['Foo']
def check_p(src, number_parsers_used, number_of_splits=None, number_of_misses=0):
if number_of_splits is None:
number_of_splits = number_parsers_used
module_node = parse(src)
assert src == module_node.get_code()
return module_node
def test_for():
src = dedent("""\
for a in [1,2]:
a
for a1 in 1,"":
a1
""")
check_p(src, 1)
def test_class_with_class_var():
src = dedent("""\
class SuperClass:
class_super = 3
def __init__(self):
self.foo = 4
pass
""")
check_p(src, 3)
def test_func_with_if():
src = dedent("""\
def recursion(a):
if foo:
return recursion(a)
else:
if bar:
return inexistent
else:
return a
""")
check_p(src, 1)
def test_decorator():
src = dedent("""\
class Decorator():
@memoize
def dec(self, a):
return a
""")
check_p(src, 2)
def test_nested_funcs():
src = dedent("""\
def memoize(func):
def wrapper(*args, **kwargs):
return func(*args, **kwargs)
return wrapper
""")
check_p(src, 3)
def test_multi_line_params():
src = dedent("""\
def x(a,
b):
pass
foo = 1
""")
check_p(src, 2)
def test_class_func_if():
src = dedent("""\
class Class:
def func(self):
if 1:
a
else:
b
pass
""")
check_p(src, 3)
def test_multi_line_for():
src = dedent("""\
for x in [1,
2]:
pass
pass
""")
check_p(src, 1)
def test_wrong_indentation():
src = dedent("""\
def func():
a
b
a
""")
check_p(src, 1)
src = dedent("""\
def complex():
def nested():
a
b
a
def other():
pass
""")
check_p(src, 3)
def test_strange_parentheses():
src = dedent("""
class X():
a = (1
if 1 else 2)
def x():
pass
""")
check_p(src, 2)
def test_fake_parentheses():
"""
The fast parser splitting counts parentheses, but not as correct tokens.
Therefore parentheses in string tokens are included as well. This needs to
be accounted for.
"""
src = dedent(r"""
def x():
a = (')'
if 1 else 2)
def y():
pass
def z():
pass
""")
check_p(src, 3, 2, 1)
def test_additional_indent():
source = dedent('''\
int(
def x():
pass
''')
check_p(source, 2)
def test_round_trip():
code = dedent('''
def x():
"""hahaha"""
func''')
assert parse(code).get_code() == code
def test_parentheses_in_string():
code = dedent('''
def x():
'('
import abc
abc.''')
check_p(code, 2, 1, 1)
|
