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# Copyright 2016 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Style config tests for yapf.reformatter."""
import textwrap
import unittest
from yapf.yapflib import reformatter
from yapf.yapflib import style
from yapftests import yapf_test_helper
class TestsForStyleConfig(yapf_test_helper.YAPFTest):
def setUp(self):
self.current_style = style.DEFAULT_STYLE
def testSetGlobalStyle(self):
try:
style.SetGlobalStyle(style.CreateYapfStyle())
unformatted_code = textwrap.dedent("""\
for i in range(5):
print('bar')
""")
expected_formatted_code = textwrap.dedent("""\
for i in range(5):
print('bar')
""")
llines = yapf_test_helper.ParseAndUnwrap(unformatted_code)
self.assertCodeEqual(expected_formatted_code,
reformatter.Reformat(llines))
finally:
style.SetGlobalStyle(style.CreatePEP8Style())
style.DEFAULT_STYLE = self.current_style
unformatted_code = textwrap.dedent("""\
for i in range(5):
print('bar')
""")
expected_formatted_code = textwrap.dedent("""\
for i in range(5):
print('bar')
""")
llines = yapf_test_helper.ParseAndUnwrap(unformatted_code)
self.assertCodeEqual(expected_formatted_code, reformatter.Reformat(llines))
def testOperatorNoSpaceStyle(self):
try:
sympy_style = style.CreatePEP8Style()
sympy_style['NO_SPACES_AROUND_SELECTED_BINARY_OPERATORS'] = \
style._StringSetConverter('*,/')
style.SetGlobalStyle(sympy_style)
unformatted_code = textwrap.dedent("""\
a = 1+2 * 3 - 4 / 5
b = '0' * 1
""")
expected_formatted_code = textwrap.dedent("""\
a = 1 + 2*3 - 4/5
b = '0'*1
""")
llines = yapf_test_helper.ParseAndUnwrap(unformatted_code)
self.assertCodeEqual(expected_formatted_code,
reformatter.Reformat(llines))
finally:
style.SetGlobalStyle(style.CreatePEP8Style())
style.DEFAULT_STYLE = self.current_style
def testOperatorPrecedenceStyle(self):
try:
pep8_with_precedence = style.CreatePEP8Style()
pep8_with_precedence['ARITHMETIC_PRECEDENCE_INDICATION'] = True
style.SetGlobalStyle(pep8_with_precedence)
unformatted_code = textwrap.dedent("""\
1+2
(1 + 2) * (3 - (4 / 5))
a = 1 * 2 + 3 / 4
b = 1 / 2 - 3 * 4
c = (1 + 2) * (3 - 4)
d = (1 - 2) / (3 + 4)
e = 1 * 2 - 3
f = 1 + 2 + 3 + 4
g = 1 * 2 * 3 * 4
h = 1 + 2 - 3 + 4
i = 1 * 2 / 3 * 4
j = (1 * 2 - 3) + 4
k = (1 * 2 * 3) + (4 * 5 * 6 * 7 * 8)
""")
expected_formatted_code = textwrap.dedent("""\
1 + 2
(1+2) * (3 - (4/5))
a = 1*2 + 3/4
b = 1/2 - 3*4
c = (1+2) * (3-4)
d = (1-2) / (3+4)
e = 1*2 - 3
f = 1 + 2 + 3 + 4
g = 1 * 2 * 3 * 4
h = 1 + 2 - 3 + 4
i = 1 * 2 / 3 * 4
j = (1*2 - 3) + 4
k = (1*2*3) + (4*5*6*7*8)
""")
llines = yapf_test_helper.ParseAndUnwrap(unformatted_code)
self.assertCodeEqual(expected_formatted_code,
reformatter.Reformat(llines))
finally:
style.SetGlobalStyle(style.CreatePEP8Style())
style.DEFAULT_STYLE = self.current_style
def testNoSplitBeforeFirstArgumentStyle1(self):
try:
pep8_no_split_before_first = style.CreatePEP8Style()
pep8_no_split_before_first['SPLIT_BEFORE_FIRST_ARGUMENT'] = False
pep8_no_split_before_first['SPLIT_BEFORE_NAMED_ASSIGNS'] = False
style.SetGlobalStyle(pep8_no_split_before_first)
formatted_code = textwrap.dedent("""\
# Example from in-code MustSplit comments
foo = outer_function_call(fitting_inner_function_call(inner_arg1, inner_arg2),
outer_arg1, outer_arg2)
foo = outer_function_call(
not_fitting_inner_function_call(inner_arg1, inner_arg2), outer_arg1,
outer_arg2)
# Examples Issue#424
a_super_long_version_of_print(argument1, argument2, argument3, argument4,
argument5, argument6, argument7)
CREDS_FILE = os.path.join(os.path.expanduser('~'),
'apis/super-secret-admin-creds.json')
# Examples Issue#556
i_take_a_lot_of_params(arg1, param1=very_long_expression1(),
param2=very_long_expression2(),
param3=very_long_expression3(),
param4=very_long_expression4())
# Examples Issue#590
plt.plot(numpy.linspace(0, 1, 10), numpy.linspace(0, 1, 10), marker="x",
color="r")
plt.plot(veryverylongvariablename, veryverylongvariablename, marker="x",
color="r")
""") # noqa
llines = yapf_test_helper.ParseAndUnwrap(formatted_code)
self.assertCodeEqual(formatted_code, reformatter.Reformat(llines))
finally:
style.SetGlobalStyle(style.CreatePEP8Style())
style.DEFAULT_STYLE = self.current_style
def testNoSplitBeforeFirstArgumentStyle2(self):
try:
pep8_no_split_before_first = style.CreatePEP8Style()
pep8_no_split_before_first['SPLIT_BEFORE_FIRST_ARGUMENT'] = False
pep8_no_split_before_first['SPLIT_BEFORE_NAMED_ASSIGNS'] = True
style.SetGlobalStyle(pep8_no_split_before_first)
formatted_code = textwrap.dedent("""\
# Examples Issue#556
i_take_a_lot_of_params(arg1,
param1=very_long_expression1(),
param2=very_long_expression2(),
param3=very_long_expression3(),
param4=very_long_expression4())
# Examples Issue#590
plt.plot(numpy.linspace(0, 1, 10),
numpy.linspace(0, 1, 10),
marker="x",
color="r")
plt.plot(veryverylongvariablename,
veryverylongvariablename,
marker="x",
color="r")
""")
llines = yapf_test_helper.ParseAndUnwrap(formatted_code)
self.assertCodeEqual(formatted_code, reformatter.Reformat(llines))
finally:
style.SetGlobalStyle(style.CreatePEP8Style())
style.DEFAULT_STYLE = self.current_style
if __name__ == '__main__':
unittest.main()