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import pytest

import progressbar

def test_missing_format_values():

with pytest.raises(KeyError):

p = progressbar.ProgressBar(

widgets=[progressbar.widgets.FormatLabel('%(x)s')],

)

p.update(5)

def test_max_smaller_than_min():

with pytest.raises(ValueError):

progressbar.ProgressBar(min_value=10, max_value=5)

def test_no_max_value():

'''Looping up to 5 without max_value? No problem'''

p = progressbar.ProgressBar()

p.start()

for i in range(5):

p.update(i)

def test_correct_max_value():

'''Looping up to 5 when max_value is 10? No problem'''

p = progressbar.ProgressBar(max_value=10)

for i in range(5):

p.update(i)

def test_minus_max_value():

'''negative max_value, shouldn't work'''

p = progressbar.ProgressBar(min_value=-2, max_value=-1)

with pytest.raises(ValueError):

p.update(-1)

def test_zero_max_value():

'''max_value of zero, it could happen'''

p = progressbar.ProgressBar(max_value=0)

p.update(0)

with pytest.raises(ValueError):

p.update(1)

def test_one_max_value():

'''max_value of one, another corner case'''

p = progressbar.ProgressBar(max_value=1)

p.update(0)

p.update(0)

p.update(1)

with pytest.raises(ValueError):

p.update(2)

def test_changing_max_value():

'''Changing max_value? No problem'''

p = progressbar.ProgressBar(max_value=10)(range(20), max_value=20)

for i in p:

pass

def test_backwards():

'''progressbar going backwards'''

p = progressbar.ProgressBar(max_value=1)

p.update(1)

p.update(0)

def test_incorrect_max_value():

'''Looping up to 10 when max_value is 5? This is madness!'''

p = progressbar.ProgressBar(max_value=5)

for i in range(5):

p.update(i)

with pytest.raises(ValueError):

for i in range(5, 10):

p.update(i)

def test_deprecated_maxval():

progressbar.ProgressBar(maxval=5)

def test_deprecated_poll():

progressbar.ProgressBar(poll=5)