def testCoalesceBrackets(self):
unformatted_code = textwrap.dedent("""\
some_long_function_name_foo(
{
'first_argument_of_the_thing': id,
'second_argument_of_the_thing': "some thing"
}
)""")
expected_formatted_code = textwrap.dedent("""\
some_long_function_name_foo({
'first_argument_of_the_thing': id,
'second_argument_of_the_thing': "some thing"
})
""")
with utils.NamedTempFile(dirname=self.test_tmpdir,
mode='w') as (f, name):
f.write(
textwrap.dedent(u'''\
[style]
column_limit=82
coalesce_brackets = True
'''))
f.flush()
self.assertYapfReformats(
unformatted_code,
expected_formatted_code,
extra_options=['--style={0}'.format(name)])
def test_write_to_file(self):
s = u'foobar\n'
with utils.NamedTempFile(dirname=self.test_tmpdir) as (f, fname):
file_resources.WriteReformattedCode(
fname, s, in_place=True, encoding='utf-8')
f.flush()
with open(fname) as f2:
self.assertEqual(f2.read(), s)
def testUnicodeEncodingPipedToFile(self):
unformatted_code = textwrap.dedent(u"""\
def foo():
print('⇒')
""")
with utils.NamedTempFile(
dirname=self.test_tmpdir, suffix='.py') as (out, _):
with utils.TempFileContents(
self.test_tmpdir, unformatted_code, suffix='.py') as filepath:
subprocess.check_call(YAPF_BINARY + ['--diff', filepath], stdout=out)
def testEncodingVerification(self):
unformatted_code = textwrap.dedent(u"""\
'''The module docstring.'''
# -*- coding: utf-8 -*-
def f():
x = 37
""")
with utils.NamedTempFile(
suffix='.py', dirname=self.test_tmpdir) as (out, _):
with utils.TempFileContents(
self.test_tmpdir, unformatted_code, suffix='.py') as filepath:
subprocess.check_call(YAPF_BINARY + ['--diff', filepath], stdout=out)
def testEncodingVerification(self):
unformatted_code = textwrap.dedent(u"""\
'''The module docstring.'''
# -*- coding: utf-8 -*-
def f():
x = 37
""")
with utils.NamedTempFile(
suffix='.py', dirname=self.test_tmpdir) as (out, _):
with utils.TempFileContents(
self.test_tmpdir, unformatted_code, suffix='.py') as filepath:
try:
subprocess.check_call(YAPF_BINARY + ['--diff', filepath], stdout=out)
except subprocess.CalledProcessError as e:
self.assertEqual(e.returncode, 1) # Indicates the text changed.
def testStyleOutputRoundTrip(self):
unformatted_code = textwrap.dedent("""\
def foo_function():
pass
""")
expected_formatted_code = textwrap.dedent("""\
def foo_function():
pass
""")
with utils.NamedTempFile(dirname=self.test_tmpdir) as (stylefile,
stylepath):
p = subprocess.Popen(YAPF_BINARY + ['--style-help'],
stdout=stylefile,
stdin=subprocess.PIPE,
stderr=subprocess.PIPE)
_, stderrdata = p.communicate()
self.assertEqual(stderrdata, b'')
self.assertYapfReformats(
unformatted_code,
expected_formatted_code,
extra_options=['--style={0}'.format(stylepath)])