def test_read_backref_measure_time(arrays, idxs_conf, backref_idxs, data):
import cProfile, pstats
from datetime import datetime
pr = cProfile.Profile()
pr.enable()
tick = datetime.now()
obj = BackrefMultipleArrayReader(arrays=arrays,
idxs_conf=idxs_conf,
backref_idxs=backref_idxs)
for d in data:
arrays_content = d['arrays']
expected = d['expected']
for a, c in zip(arrays, arrays_content):
a[:] = c
for i in range(30000):
obj.read()
tock = datetime.now()
pr.disable()
diff = tock - tick
print('time: {}'.format(diff.total_seconds()))
sortby = 'cumulative'
from io import StringIO, BytesIO
try:
s = StringIO()
pstats.Stats(pr,
stream=s).strip_dirs().sort_stats(sortby).print_stats()
except TypeError:
s = BytesIO()
pstats.Stats(pr,
stream=s).strip_dirs().sort_stats(sortby).print_stats()
print(s.getvalue())
def test_read_backref_measure_time(arrays, idxs_conf, backref_idxs, data):
import cProfile, pstats
from datetime import datetime
pr = cProfile.Profile()
pr.enable()
tick = datetime.now()
obj = BackrefMultipleArrayReader(
arrays=arrays, idxs_conf=idxs_conf, backref_idxs=backref_idxs)
for d in data:
arrays_content = d['arrays']
expected = d['expected']
for a, c in zip(arrays, arrays_content):
a[:] = c
for i in range(30000):
obj.read()
tock = datetime.now()
pr.disable()
diff = tock - tick
print('time: {}'.format(diff.total_seconds()))
sortby = 'cumulative'
from io import StringIO, BytesIO
try:
s = StringIO()
pstats.Stats(pr, stream=s).strip_dirs().sort_stats(sortby).print_stats()
except TypeError:
s = BytesIO()
pstats.Stats(pr, stream=s).strip_dirs().sort_stats(sortby).print_stats()
print(s.getvalue())
def test_read_without_backref(arrays, idxs_conf, data):
obj = BackrefMultipleArrayReader(arrays=arrays, idxs_conf=idxs_conf)
for d in data:
arrays_content = d['arrays']
expected = d['expected']
for a, c in zip(arrays, arrays_content):
a[:] = c
assert expected == obj.read()
def test_read_backref(arrays, idxs_conf, backref_idxs, data):
obj = BackrefMultipleArrayReader(
arrays=arrays, idxs_conf=idxs_conf, backref_idxs=backref_idxs)
for d in data:
arrays_content = d['arrays']
expected = d['expected']
for a, c in zip(arrays, arrays_content):
a[:] = c
assert expected == obj.read()
def test_read_without_backref_measure_time(arrays, idxs_conf, data):
from datetime import datetime
tick = datetime.now()
obj = BackrefMultipleArrayReader(arrays=arrays, idxs_conf=idxs_conf)
for d in data:
arrays_content = d['arrays']
expected = d['expected']
for a, c in zip(arrays, arrays_content):
a[:] = c
for i in range(100000):
obj.read()
tock = datetime.now()
diff = tock - tick
print('time: {}'.format(diff.total_seconds()))
def test_read_without_backref_measure_time(arrays, idxs_conf, data):
from datetime import datetime
tick = datetime.now()
obj = BackrefMultipleArrayReader(
arrays=arrays, idxs_conf=idxs_conf)
for d in data:
arrays_content = d['arrays']
expected = d['expected']
for a, c in zip(arrays, arrays_content):
a[:] = c
for i in range(100000):
obj.read()
tock = datetime.now()
diff = tock - tick
print('time: {}'.format(diff.total_seconds()))
def test_init(kwargs):
BackrefMultipleArrayReader(**kwargs)
def test_init_raise(kwargs):
with pytest.raises(ValueError):
BackrefMultipleArrayReader(**kwargs)