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python-progressbar/tests/test_timed.py at develop · SourceryAI/python-progressbar · GitHub
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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
_
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_etas
(
monkeypatch
):
'''Compare file transfer speed to adaptive transfer speed'''
n
=
10
interval
=
datetime
.
timedelta
(
seconds
=
1
)
widgets
=
[
progressbar
.
FileTransferSpeed
(),
progressbar
.
AdaptiveTransferSpeed
(
samples
=
n
/
2
),
]
datas
=
[]
# Capture the output sent towards the `_speed` method
def
calculate_eta
(
self
,
value
,
elapsed
):
'''Capture the widget output'''
data
=
dict
(
value
=
value
,
elapsed
=
int
(
elapsed
),
)
datas
.
append
(
data
)
return
0
,
0
monkeypatch
.
setattr
(
progressbar
.
FileTransferSpeed
,
'_speed'
,
calculate_eta
)
monkeypatch
.
setattr
(
progressbar
.
AdaptiveTransferSpeed
,
'_speed'
,
calculate_eta
)
for
widget
in
widgets
:
widget
.
INTERVAL
=
interval
p
=
progressbar
.
ProgressBar
(
max_value
=
n
,
widgets
=
widgets
,
poll_interval
=
interval
,
)
# Run the first few samples at a low speed and speed up later so we can
# compare the results from both widgets
for
i
in
range
(
n
):
p
.
update
(
i
)
if
i
>
n
/
2
:
time
.
sleep
(
1
)
else
:
time
.
sleep
(
10
)
p
.
finish
()
# Due to weird travis issues, the actual testing is disabled for now
# import pprint
# pprint.pprint(datas[::2])
# pprint.pprint(datas[1::2])
# for i, (a, b) in enumerate(zip(datas[::2], datas[1::2])):
# # Because the speed is identical initially, the results should be the
# # same for adaptive and regular transfer speed. Only when the speed
# # changes we should start see a lot of differences between the two
# if i < (n / 2 - 1):
# assert a['elapsed'] == b['elapsed']
# if i > (n / 2 + 1):
# assert a['elapsed'] > b['elapsed']
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
():
yield
from
range
(
200
)
widgets
=
[
progressbar
.
AdaptiveETA
(),
progressbar
.
ETA
()]
bar
=
progressbar
.
ProgressBar
(
widgets
=
widgets
)
for
i
in
bar
(
gen
()):
pass
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