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# -*- mode:python; tab-width:4; indent-tabs-mode:nil; coding:utf-8 -*-
import codecs
import io
try:
from io import StringIO
except ImportError:
from StringIO import StringIO
import pytest
import sys
from ceph_volume import terminal
from ceph_volume.log import setup_console
class SubCommand(object):
help = "this is the subcommand help"
def __init__(self, argv):
self.argv = argv
def main(self):
pass
class BadSubCommand(object):
def __init__(self, argv):
self.argv = argv
def main(self):
raise SystemExit(100)
class TestSubhelp(object):
def test_no_sub_command_help(self):
assert terminal.subhelp({}) == ''
def test_single_level_help(self):
result = terminal.subhelp({'sub': SubCommand})
assert 'this is the subcommand help' in result
def test_has_title_header(self):
result = terminal.subhelp({'sub': SubCommand})
assert 'Available subcommands:' in result
def test_command_with_no_help(self):
class SubCommandNoHelp(object):
pass
result = terminal.subhelp({'sub': SubCommandNoHelp})
assert result == ''
class TestDispatch(object):
def test_no_subcommand_found(self):
result = terminal.dispatch({'sub': SubCommand}, argv=[])
assert result is None
def test_no_main_found(self):
class NoMain(object):
def __init__(self, argv):
pass
result = terminal.dispatch({'sub': NoMain}, argv=['sub'])
assert result is None
def test_subcommand_found_and_dispatched(self):
with pytest.raises(SystemExit) as error:
terminal.dispatch({'sub': SubCommand}, argv=['sub'])
assert str(error.value) == '0'
def test_subcommand_found_and_dispatched_with_errors(self):
with pytest.raises(SystemExit) as error:
terminal.dispatch({'sub': BadSubCommand}, argv=['sub'])
assert str(error.value) == '100'
@pytest.fixture
def stream():
def make_stream(buffer, encoding):
# mock a stdout with given encoding
if sys.version_info >= (3, 0):
stderr = sys.stderr
stream = io.TextIOWrapper(buffer,
encoding=encoding,
errors=stderr.errors,
newline=stderr.newlines,
line_buffering=stderr.line_buffering)
else:
stream = codecs.getwriter(encoding)(buffer)
# StreamWriter does not have encoding attached to it, it will ask
# the inner buffer for "encoding" attribute in this case
stream.encoding = encoding
return stream
return make_stream
class TestWriteUnicode(object):
def setup(self):
self.octpus_and_squid_en = u'octpus and squid'
self.octpus_and_squid_zh = u'章鱼和鱿鱼'
self.message = self.octpus_and_squid_en + self.octpus_and_squid_zh
setup_console()
def test_stdout_writer(self, capsys):
# should work with whatever stdout is
terminal.stdout(self.message)
_, err = capsys.readouterr()
assert self.octpus_and_squid_en in err
assert self.octpus_and_squid_zh in err
@pytest.mark.parametrize('encoding', ['ascii', 'utf8'])
def test_writer_log(self, stream, encoding, monkeypatch, caplog):
writer = StringIO()
terminal._Write(_writer=writer).raw(self.message)
writer.flush()
writer.seek(0)
output = writer.readlines()[0]
assert self.octpus_and_squid_en in output
@pytest.mark.parametrize('encoding', ['utf8'])
def test_writer(self, encoding, stream, monkeypatch, capsys, caplog):
buffer = io.BytesIO()
writer = stream(buffer, encoding)
terminal._Write(_writer=writer).raw(self.message)
writer.flush()
writer.seek(0)
val = buffer.getvalue()
assert self.octpus_and_squid_en.encode(encoding) in val
def test_writer_uses_log_on_unicodeerror(self, stream, monkeypatch, capture):
if sys.version_info > (3,):
pytest.skip("Something breaks inside of pytest's capsys")
monkeypatch.setattr(terminal.terminal_logger, 'info', capture)
buffer = io.BytesIO()
writer = stream(buffer, 'ascii')
terminal._Write(_writer=writer).raw(self.message)
assert self.octpus_and_squid_en in capture.calls[0]['args'][0]
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