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import os

import pprint

import progressbar

pytest_plugins = 'pytester'

SCRIPT = '''

import sys

sys.path.append({progressbar_path!r})

import time

import timeit

import freezegun

import progressbar

with freezegun.freeze_time() as fake_time:

timeit.default_timer = time.time

with progressbar.ProgressBar(widgets={widgets}, **{kwargs!r}) as bar:

bar._MINIMUM_UPDATE_INTERVAL = 1e-9

for i in bar({items}):

{loop_code}

'''

def _create_script(widgets=None, items=list(range(9)),

loop_code='fake_time.tick(1)', term_width=60,

**kwargs):

kwargs['term_width'] = term_width

# Reindent the loop code

indent = '\n '

loop_code = loop_code.strip('\n').split('\n')

dedent = len(loop_code[0]) - len(loop_code[0].lstrip())

for i, line in enumerate(loop_code):

loop_code[i] = line[dedent:]

script = SCRIPT.format(

items=items,

widgets=widgets,

kwargs=kwargs,

loop_code=indent.join(loop_code),

progressbar_path=os.path.dirname(os.path.dirname(

progressbar.__file__)),

)

print('# Script:')

print('#' * 78)

print(script)

print('#' * 78)

return script

def test_list_example(testdir):

''' Run the simple example code in a python subprocess and then compare its

stderr to what we expect to see from it. We run it in a subprocess to

best capture its stderr. We expect to see match_lines in order in the

output. This test is just a sanity check to ensure that the progress

bar progresses from 1 to 10, it does not make sure that the '''

result = testdir.runpython(testdir.makepyfile(_create_script(

term_width=65,

)))

result.stderr.lines = [l.rstrip() for l in result.stderr.lines

if l.strip()]

pprint.pprint(result.stderr.lines, width=70)

result.stderr.fnmatch_lines([

'N/A% (0 of 9) | | Elapsed Time: ?:00:00 ETA: --:--:--',

' 11% (1 of 9) |# | Elapsed Time: ?:00:01 ETA: ?:00:08',

' 22% (2 of 9) |## | Elapsed Time: ?:00:02 ETA: ?:00:07',

' 33% (3 of 9) |#### | Elapsed Time: ?:00:03 ETA: ?:00:06',

' 44% (4 of 9) |##### | Elapsed Time: ?:00:04 ETA: ?:00:05',

' 55% (5 of 9) |###### | Elapsed Time: ?:00:05 ETA: ?:00:04',

' 66% (6 of 9) |######## | Elapsed Time: ?:00:06 ETA: ?:00:03',

' 77% (7 of 9) |######### | Elapsed Time: ?:00:07 ETA: ?:00:02',

' 88% (8 of 9) |########## | Elapsed Time: ?:00:08 ETA: ?:00:01',

'100% (9 of 9) |############| Elapsed Time: ?:00:09 Time: ?:00:09',

])

def test_generator_example(testdir):

''' Run the simple example code in a python subprocess and then compare its

stderr to what we expect to see from it. We run it in a subprocess to

best capture its stderr. We expect to see match_lines in order in the

output. This test is just a sanity check to ensure that the progress

bar progresses from 1 to 10, it does not make sure that the '''

result = testdir.runpython(testdir.makepyfile(_create_script(

items='iter(range(9))',

)))

result.stderr.lines = [l for l in result.stderr.lines if l.strip()]

pprint.pprint(result.stderr.lines, width=70)

lines = []

for i in range(9):

lines.append(

r'[/\\|\-]\s+\|\s*#\s*\| %(i)d Elapsed Time: \d:00:%(i)02d' %

dict(i=i))

result.stderr.re_match_lines(lines)

def test_rapid_updates(testdir):

''' Run some example code that updates 10 times, then sleeps .1 seconds,

this is meant to test that the progressbar progresses normally with

this sample code, since there were issues with it in the past '''

result = testdir.runpython(testdir.makepyfile(_create_script(

term_width=60,

items=list(range(10)),

loop_code='''

if i < 5:

fake_time.tick(1)

else:

fake_time.tick(2)

'''

)))

result.stderr.lines = [l for l in result.stderr.lines if l.strip()]

pprint.pprint(result.stderr.lines, width=70)

result.stderr.fnmatch_lines([

'N/A% (0 of 10) | | Elapsed Time: ?:00:00 ETA: --:--:--',

' 10% (1 of 10) | | Elapsed Time: ?:00:01 ETA: ?:00:09',

' 20% (2 of 10) |# | Elapsed Time: ?:00:02 ETA: ?:00:08',

' 30% (3 of 10) |# | Elapsed Time: ?:00:03 ETA: ?:00:07',

' 40% (4 of 10) |## | Elapsed Time: ?:00:04 ETA: ?:00:06',

' 50% (5 of 10) |### | Elapsed Time: ?:00:05 ETA: ?:00:05',

' 60% (6 of 10) |### | Elapsed Time: ?:00:07 ETA: ?:00:06',

' 70% (7 of 10) |#### | Elapsed Time: ?:00:09 ETA: ?:00:06',

' 80% (8 of 10) |#### | Elapsed Time: ?:00:11 ETA: ?:00:04',

' 90% (9 of 10) |##### | Elapsed Time: ?:00:13 ETA: ?:00:02',

'100% (10 of 10) |#####| Elapsed Time: ?:00:15 Time: ?:00:15'

])

def test_non_timed(testdir):

result = testdir.runpython(testdir.makepyfile(_create_script(

widgets='[progressbar.Percentage(), progressbar.Bar()]',

items=list(range(5)),

)))

result.stderr.lines = [l for l in result.stderr.lines if l.strip()]

pprint.pprint(result.stderr.lines, width=70)

result.stderr.fnmatch_lines([

'N/A%| |',

' 20%|########## |',

' 40%|##################### |',

' 60%|################################ |',

' 80%|########################################### |',

'100%|######################################################|',

])

def test_line_breaks(testdir):

result = testdir.runpython(testdir.makepyfile(_create_script(

widgets='[progressbar.Percentage(), progressbar.Bar()]',

line_breaks=True,

items=list(range(5)),

)))

pprint.pprint(result.stderr.str(), width=70)

assert result.stderr.str() == u'\n'.join((

u'N/A%| |',

u' 20%|########## |',

u' 40%|##################### |',

u' 60%|################################ |',

u' 80%|########################################### |',

u'100%|######################################################|',

u'100%|######################################################|',

))

def test_no_line_breaks(testdir):

result = testdir.runpython(testdir.makepyfile(_create_script(

widgets='[progressbar.Percentage(), progressbar.Bar()]',

line_breaks=False,

items=list(range(5)),

)))

pprint.pprint(result.stderr.lines, width=70)

assert result.stderr.lines == [

u'',

u'N/A%| |',

u' 20%|########## |',

u' 40%|##################### |',

u' 60%|################################ |',

u' 80%|########################################### |',

u'100%|######################################################|',

u'',

u'100%|######################################################|'

]

def test_colors(testdir):

kwargs = dict(

items=range(1),

widgets=['\033[92mgreen\033[0m'],

)

result = testdir.runpython(testdir.makepyfile(_create_script(

enable_colors=True, **kwargs)))

pprint.pprint(result.stderr.lines, width=70)

assert result.stderr.lines == [u'\x1b[92mgreen\x1b[0m'] * 3

result = testdir.runpython(testdir.makepyfile(_create_script(

enable_colors=False, **kwargs)))

pprint.pprint(result.stderr.lines, width=70)

assert result.stderr.lines == [u'green'] * 3