340 lines
8.4 KiB
Python
340 lines
8.4 KiB
Python
"""Tests for the pindent script in the Tools directory."""
|
|
|
|
import os
|
|
import sys
|
|
import unittest
|
|
import subprocess
|
|
import textwrap
|
|
from test import support
|
|
from test.script_helper import assert_python_ok
|
|
|
|
from test.test_tools import scriptsdir, skip_if_missing
|
|
|
|
skip_if_missing()
|
|
|
|
|
|
class PindentTests(unittest.TestCase):
|
|
script = os.path.join(scriptsdir, 'pindent.py')
|
|
|
|
def assertFileEqual(self, fn1, fn2):
|
|
with open(fn1) as f1, open(fn2) as f2:
|
|
self.assertEqual(f1.readlines(), f2.readlines())
|
|
|
|
def pindent(self, source, *args):
|
|
with subprocess.Popen(
|
|
(sys.executable, self.script) + args,
|
|
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
universal_newlines=True) as proc:
|
|
out, err = proc.communicate(source)
|
|
self.assertIsNone(err)
|
|
return out
|
|
|
|
def lstriplines(self, data):
|
|
return '\n'.join(line.lstrip() for line in data.splitlines()) + '\n'
|
|
|
|
def test_selftest(self):
|
|
self.maxDiff = None
|
|
with support.temp_dir() as directory:
|
|
data_path = os.path.join(directory, '_test.py')
|
|
with open(self.script) as f:
|
|
closed = f.read()
|
|
with open(data_path, 'w') as f:
|
|
f.write(closed)
|
|
|
|
rc, out, err = assert_python_ok(self.script, '-d', data_path)
|
|
self.assertEqual(out, b'')
|
|
self.assertEqual(err, b'')
|
|
backup = data_path + '~'
|
|
self.assertTrue(os.path.exists(backup))
|
|
with open(backup) as f:
|
|
self.assertEqual(f.read(), closed)
|
|
with open(data_path) as f:
|
|
clean = f.read()
|
|
compile(clean, '_test.py', 'exec')
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
|
|
rc, out, err = assert_python_ok(self.script, '-c', data_path)
|
|
self.assertEqual(out, b'')
|
|
self.assertEqual(err, b'')
|
|
with open(backup) as f:
|
|
self.assertEqual(f.read(), clean)
|
|
with open(data_path) as f:
|
|
self.assertEqual(f.read(), closed)
|
|
|
|
broken = self.lstriplines(closed)
|
|
with open(data_path, 'w') as f:
|
|
f.write(broken)
|
|
rc, out, err = assert_python_ok(self.script, '-r', data_path)
|
|
self.assertEqual(out, b'')
|
|
self.assertEqual(err, b'')
|
|
with open(backup) as f:
|
|
self.assertEqual(f.read(), broken)
|
|
with open(data_path) as f:
|
|
indented = f.read()
|
|
compile(indented, '_test.py', 'exec')
|
|
self.assertEqual(self.pindent(broken, '-r'), indented)
|
|
|
|
def pindent_test(self, clean, closed):
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
broken = self.lstriplines(closed)
|
|
self.assertEqual(self.pindent(broken, '-r', '-e', '-s', '4'), closed)
|
|
|
|
def test_statements(self):
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
pass
|
|
|
|
if a:
|
|
pass
|
|
else:
|
|
pass
|
|
|
|
if a:
|
|
pass
|
|
elif:
|
|
pass
|
|
else:
|
|
pass
|
|
|
|
while a:
|
|
break
|
|
|
|
while a:
|
|
break
|
|
else:
|
|
pass
|
|
|
|
for i in a:
|
|
break
|
|
|
|
for i in a:
|
|
break
|
|
else:
|
|
pass
|
|
|
|
try:
|
|
pass
|
|
finally:
|
|
pass
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
pass
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
finally:
|
|
pass
|
|
|
|
with a:
|
|
pass
|
|
|
|
class A:
|
|
pass
|
|
|
|
def f():
|
|
pass
|
|
""")
|
|
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
pass
|
|
# end if
|
|
|
|
if a:
|
|
pass
|
|
else:
|
|
pass
|
|
# end if
|
|
|
|
if a:
|
|
pass
|
|
elif:
|
|
pass
|
|
else:
|
|
pass
|
|
# end if
|
|
|
|
while a:
|
|
break
|
|
# end while
|
|
|
|
while a:
|
|
break
|
|
else:
|
|
pass
|
|
# end while
|
|
|
|
for i in a:
|
|
break
|
|
# end for
|
|
|
|
for i in a:
|
|
break
|
|
else:
|
|
pass
|
|
# end for
|
|
|
|
try:
|
|
pass
|
|
finally:
|
|
pass
|
|
# end try
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
pass
|
|
# end try
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
finally:
|
|
pass
|
|
# end try
|
|
|
|
with a:
|
|
pass
|
|
# end with
|
|
|
|
class A:
|
|
pass
|
|
# end class A
|
|
|
|
def f():
|
|
pass
|
|
# end def f
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
def test_multilevel(self):
|
|
clean = textwrap.dedent("""\
|
|
def foobar(a, b):
|
|
if a == b:
|
|
a = a+1
|
|
elif a < b:
|
|
b = b-1
|
|
if b > a: a = a-1
|
|
else:
|
|
print 'oops!'
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
def foobar(a, b):
|
|
if a == b:
|
|
a = a+1
|
|
elif a < b:
|
|
b = b-1
|
|
if b > a: a = a-1
|
|
# end if
|
|
else:
|
|
print 'oops!'
|
|
# end if
|
|
# end def foobar
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
def test_preserve_indents(self):
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
if b:
|
|
pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
if b:
|
|
pass
|
|
# end if
|
|
# end if
|
|
""")
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
broken = self.lstriplines(closed)
|
|
self.assertEqual(self.pindent(broken, '-r', '-e', '-s', '9'), closed)
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
\tif b:
|
|
\t\tpass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
\tif b:
|
|
\t\tpass
|
|
\t# end if
|
|
# end if
|
|
""")
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
broken = self.lstriplines(closed)
|
|
self.assertEqual(self.pindent(broken, '-r'), closed)
|
|
|
|
def test_escaped_newline(self):
|
|
clean = textwrap.dedent("""\
|
|
class\\
|
|
\\
|
|
A:
|
|
def\
|
|
\\
|
|
f:
|
|
pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
class\\
|
|
\\
|
|
A:
|
|
def\
|
|
\\
|
|
f:
|
|
pass
|
|
# end def f
|
|
# end class A
|
|
""")
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
|
|
def test_empty_line(self):
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
|
|
pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
|
|
pass
|
|
# end if
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
def test_oneline(self):
|
|
clean = textwrap.dedent("""\
|
|
if a: pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a: pass
|
|
# end if
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|