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# Copyright 2013 Ben Longbons <b.r.longbons@gmail.com>
#
# This file is part of attoconf.
#
# attoconf is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# attoconf is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with attoconf. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function, division, absolute_import
import unittest
from attoconf.help import Help, HelpSection, put_line_in_width
from cStringIO import StringIO
class TestHelpSection(unittest.TestCase):
def test_basic(self):
sec = HelpSection()
sec.add_text('foo', False)
sec.add_option('--foo', 'FOO', True)
sec.add_text('bar', True)
sec.add_option('--bar', 'BAR', False)
self.assertEqual(sec.headers, [(False, 'foo'), (True, 'bar')])
self.assertEqual(sec.options, [(True, '--foo', 'FOO'), (False, '--bar', 'BAR')])
out = StringIO()
sec.print(out, False, float('inf'))
self.assertEqual(out.getvalue(), '''foo
--bar BAR
''')
out = StringIO()
sec.print(out, True, float('inf'))
self.assertEqual(out.getvalue(), '''foo
bar
--foo FOO
--bar BAR
''')
def test_width(self):
out = StringIO()
put_line_in_width(out, 'foo bar baz', float('inf'), 0)
self.assertEqual(out.getvalue(), 'foo bar baz\n')
out = StringIO()
put_line_in_width(out, 'foo bar baz', 10, 0)
self.assertEqual(out.getvalue(), 'foo bar\nbaz\n')
out = StringIO()
put_line_in_width(out, 'foo bar baz', 10, 2)
self.assertEqual(out.getvalue(), 'foo bar\n baz\n')
out = StringIO()
put_line_in_width(out, ' foo bar baz', 10, 0)
self.assertEqual(out.getvalue(), ' foo bar\nbaz\n')
out = StringIO()
put_line_in_width(out, ' foo bar baz', 10, 0)
self.assertEqual(out.getvalue(), ' foo\nbar baz\n')
out = StringIO()
put_line_in_width(out, ' foo bar baz', 10, 3)
self.assertEqual(out.getvalue(), ' foo\n bar baz\n')
out = StringIO()
put_line_in_width(out, ' foo bar baz', 10, 4)
self.assertEqual(out.getvalue(), ' foo\n bar\n baz\n')
out = StringIO()
put_line_in_width(out, 'really-long-string', float('inf'), 0)
self.assertEqual(out.getvalue(), 'really-long-string\n')
out = StringIO()
put_line_in_width(out, ' really-long-string', float('inf'), 0)
self.assertEqual(out.getvalue(), ' really-long-string\n')
out = StringIO()
put_line_in_width(out, 'really-long-string', 10, 0)
self.assertEqual(out.getvalue(), 'really-long-string\n')
out = StringIO()
put_line_in_width(out, ' really-long-string', 10, 0)
self.assertEqual(out.getvalue(), ' really-long-string\n')
out = StringIO()
put_line_in_width(out, 'short really-long-string', float('inf'), 0)
self.assertEqual(out.getvalue(), 'short really-long-string\n')
out = StringIO()
put_line_in_width(out, ' short really-long-string', float('inf'), 0)
self.assertEqual(out.getvalue(), ' short really-long-string\n')
out = StringIO()
put_line_in_width(out, 'short really-long-string', 10, 0)
self.assertEqual(out.getvalue(), 'short\nreally-long-string\n')
out = StringIO()
put_line_in_width(out, ' short really-long-string', 10, 0)
self.assertEqual(out.getvalue(), ' short\nreally-long-string\n')
out = StringIO()
put_line_in_width(out, 'short really-long-string', 10, 1)
self.assertEqual(out.getvalue(), 'short\n really-long-string\n')
out = StringIO()
put_line_in_width(out, ' short really-long-string', 10, 1)
self.assertEqual(out.getvalue(), ' short\n really-long-string\n')
def test_print(self):
sec = HelpSection()
sec.add_option('--abcdefghijklmnopqrstuvwxyz',
'ABCDEFGHIJKLMNOPQRSTUVWXYZ', False)
out = StringIO()
sec.print(out, False, 80)
self.assertEqual(out.getvalue(), '''
--abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
'''[1:])
sec.add_option('--foo', 'FOO', False)
sec.add_option('--frob', 'FROB', False)
out = StringIO()
sec.print(out, False, 80)
self.assertEqual(out.getvalue(), '''
--abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
--foo FOO
--frob FROB
'''[1:])
out = StringIO()
sec.print(out, False, float('inf'))
self.assertEqual(out.getvalue(), '''
--abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
--foo FOO
--frob FROB
'''[1:])
class TestHelp(unittest.TestCase):
def test_print(self):
help = Help()
help.add_option('--invisible', 'You can\'t see this', True)
help.add_text('General:', False)
help.add_option('--help', 'show this', False)
help.add_option('--version', 'show that', True)
help.add_text('Other stuff:', False)
help.add_text('with long header:', True)
help.add_option('--foo-lets-make-it-long-just-because', 'I\'m bored', False)
help.add_text('Visibility:', False)
help.add_option('--sneaky', 'This may be surprising. It also works as a demonstration of multi-line wrapping, just because.', True)
out = StringIO()
help.print(out, True, 80)
self.assertEqual(out.getvalue(), '''
--invisible You can't see this
General:
--help show this
--version show that
Other stuff:
with long header:
--foo-lets-make-it-long-just-because
I'm bored
Visibility:
--sneaky This may be surprising. It also works as a demonstration of
multi-line wrapping, just because.
'''[1:])
out = StringIO()
help.print(out, False, 80)
self.assertEqual(out.getvalue(), '''
General:
--help show this
Other stuff:
--foo-lets-make-it-long-just-because
I'm bored
'''[1:])
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