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from __future__ import print_function

import io

import sys

import pytest

import progressbar

def test_nowrap():

# Make sure we definitely unwrap

for i in range(5):

progressbar.streams.unwrap(stderr=True, stdout=True)

stdout = sys.stdout

stderr = sys.stderr

progressbar.streams.wrap()

assert stdout == sys.stdout

assert stderr == sys.stderr

progressbar.streams.unwrap()

assert stdout == sys.stdout

assert stderr == sys.stderr

# Make sure we definitely unwrap

for i in range(5):

progressbar.streams.unwrap(stderr=True, stdout=True)

def test_wrap():

# Make sure we definitely unwrap

for i in range(5):

progressbar.streams.unwrap(stderr=True, stdout=True)

stdout = sys.stdout

stderr = sys.stderr

progressbar.streams.wrap(stderr=True, stdout=True)

assert stdout != sys.stdout

assert stderr != sys.stderr

# Wrap again

stdout = sys.stdout

stderr = sys.stderr

progressbar.streams.wrap(stderr=True, stdout=True)

assert stdout == sys.stdout

assert stderr == sys.stderr

# Make sure we definitely unwrap

for i in range(5):

progressbar.streams.unwrap(stderr=True, stdout=True)

def test_excepthook():

progressbar.streams.wrap(stderr=True, stdout=True)

try:

raise RuntimeError()

except RuntimeError:

progressbar.streams.excepthook(*sys.exc_info())

progressbar.streams.unwrap_excepthook()

progressbar.streams.unwrap_excepthook()

def test_fd_as_io_stream():

stream = io.StringIO()

with progressbar.ProgressBar(fd=stream) as pb:

for i in range(101):

pb.update(i)

stream.close()

def test_no_newlines():

kwargs = dict(

redirect_stderr=True,

redirect_stdout=True,

line_breaks=False,

is_terminal=True,

)

with progressbar.ProgressBar(**kwargs) as bar:

for i in range(5):

bar.update(i)

for i in range(5, 10):

try:

print('\n\n', file=progressbar.streams.stdout)

print('\n\n', file=progressbar.streams.stderr)

except ValueError:

pass

bar.update(i)

@pytest.mark.parametrize('stream', [sys.__stdout__, sys.__stderr__])

def test_fd_as_standard_streams(stream):

with progressbar.ProgressBar(fd=stream) as pb:

for i in range(101):

pb.update(i)