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import time

import datetime

import progressbar

def test_timer():

'''Testing (Adaptive)ETA when the value doesn't actually change'''

widgets = [

progressbar.Timer(),

]

p = progressbar.ProgressBar(max_value=2, widgets=widgets,

poll_interval=0.0001)

p.start()

p.update()

p.update(1)

p._needs_update()

time.sleep(0.001)

p.update(1)

p.finish()

def test_eta():

'''Testing (Adaptive)ETA when the value doesn't actually change'''

widgets = [

progressbar.ETA(),

]

p = progressbar.ProgressBar(min_value=0, max_value=2, widgets=widgets,

poll_interval=0.0001)

p.start()

time.sleep(0.001)

p.update(0)

time.sleep(0.001)

p.update(1)

time.sleep(0.001)

p.update(1)

time.sleep(0.001)

p.update(2)

time.sleep(0.001)

p.finish()

time.sleep(0.001)

p.update(2)

def test_adaptive_eta():

'''Testing (Adaptive)ETA when the value doesn't actually change'''

widgets = [

progressbar.AdaptiveETA(),

]

widgets[0].INTERVAL = datetime.timedelta(microseconds=1)

p = progressbar.ProgressBar(

max_value=2,

samples=2,

widgets=widgets,

poll_interval=0.0001,

)

p.start()

for i in range(20):

p.update(1)

time.sleep(0.001)

p.finish()

def test_adaptive_transfer_speed():

'''Testing (Adaptive)ETA when the value doesn't actually change'''

widgets = [

progressbar.AdaptiveTransferSpeed(),

]

p = progressbar.ProgressBar(max_value=2, widgets=widgets,

poll_interval=0.0001)

p.start()

p.update(1)

time.sleep(0.001)

p.update(1)

p.finish()

def test_non_changing_eta():

'''Testing (Adaptive)ETA when the value doesn't actually change'''

widgets = [

progressbar.AdaptiveETA(),

progressbar.ETA(),

progressbar.AdaptiveTransferSpeed(),

]

p = progressbar.ProgressBar(max_value=2, widgets=widgets,

poll_interval=0.0001)

p.start()

p.update(1)

time.sleep(0.001)

p.update(1)

p.finish()

def test_eta_not_available():

"""

When ETA is not available (data coming from a generator),

ETAs should not raise exceptions.

"""

def gen():

for x in range(200):

yield x

widgets = [progressbar.AdaptiveETA(), progressbar.ETA()]

bar = progressbar.ProgressBar(widgets=widgets)

for i in bar(gen()):

pass