def timezone(self):
if self._timezone:
return self._timezone
tf = TimezoneFinder()
coords = self.coordinates
return tf.timezone_at(lng=coords[1], lat=coords[0])
def check_speed_my_algor():
start_time = datetime.now()
timezonefinder = TimezoneFinder()
end_time = datetime.now()
timezonefinder.timezone_at(13.3, 53.2)
return end_time - start_time
def setUpClass(cls):
# preparations which have to be made only once
print("\nSTARTING PACKAGE TESTS\n\n")
cls.print_tf_class_props(cls)
global in_memory_mode
in_memory_mode = cls.in_memory_mode
t = timeit.timeit("TimezoneFinder(in_memory=in_memory_mode)", globals=globals(), number=1)
print('startup time:', time_preprocess(t), '\n')
cls.timezone_finder = TimezoneFinder(in_memory=cls.in_memory_mode)
# create an array of points where timezone_finder finds something (realistic queries)
print('collecting and storing', N, 'realistic points for the tests...')
cls.realistic_points = []
ps_for_10percent = int(N / 10)
percent_done = 0
i = 0
while i < N:
lng, lat = random_point()
# a realistic point is a point where certain_timezone_at() finds something
if cls.timezone_finder.certain_timezone_at(lng=lng, lat=lat):
i += 1
cls.realistic_points.append((lng, lat))
if i % ps_for_10percent == 0:
percent_done += 10
print(percent_done, '%')
print("Done.\n")
def test_speed(self):
print("\n\nSpeed Tests:\n-------------")
# def check_speed_tzwhere(list_of_points):
# start_time = datetime.now()
# for point in list_of_points:
# self.tz_where.tzNameAt(latitude=point[1], longitude=point[0])
# end_time = datetime.now()
# return end_time - start_time
def check_speed_my_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_my_algor(list_of_points)
# his_time = check_speed_tzwhere(list_of_points)
print('\nTIMES for ', N, type_of_points)
print_speedup(timezoefinder_time=my_time)
# if SHAPELY:
# print('shapely: ON (tzwhere)')
# else:
# print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def test_speed(self):
print("\n\nSpeed Tests:\n-------------")
def check_speed_of_algorithm(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_of_algorithm(list_of_points)
print('\nrequired time for ', N, type_of_points)
print_time(timezoefinder_time=my_time)
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def test_speed(self):
def check_speed_his_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.tz_where.tzNameAt(latitude=point[1], longitude=point[0])
end_time = datetime.now()
return end_time - start_time
def check_speed_my_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_my_algor(list_of_points)
his_time = check_speed_his_algor(list_of_points)
print('')
print('\nTIMES for ', N, type_of_points)
print('tzwhere:', his_time)
print('timezonefinder:', my_time)
try:
print(round(his_time / my_time, 2), 'times faster')
except TypeError:
pass
# assert his_time > my_time
print('\n\n')
if SHAPELY:
print('shapely: ON (tzwhere)')
else:
print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def print_tf_class_props(self):
print("in memory mode:", self.in_memory_mode)
if TimezoneFinder.using_numba():
print('Numba: ON (precompiled functions in use)')
else:
print('Numba: OFF (precompiled functions NOT in use)')
class PackageEqualityTest(unittest.TestCase):
# do the preparations which have to be made only once
if SHAPELY:
print('shapely: ON (tzwhere)')
else:
print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
start_time = datetime.now()
timezone_finder = TimezoneFinder()
end_time = datetime.now()
my_time = end_time - start_time
print('Starting tz_where. This could take a moment...')
# integrated start up time test:
# (when doing this for multiple times things are already cached and therefore produce misleading results)
start_time = datetime.now()
tz_where = tzwhere(shapely=SHAPELY)
end_time = datetime.now()
his_time = end_time - start_time
print('\nStartup times:')
print('tzwhere:', his_time)
print('timezonefinder:', my_time)
try:
print(round(his_time / my_time, 2), 'times faster')
except TypeError:
pass
print('\n\n')
# create an array of n points where tzwhere finds something (realistic queries)
print('collecting and storing', N, 'realistic points for the tests...')
realistic_points = []
real_ps_results_tzwhere = []
real_ps_results_certain = []
ps_for_10percent = int(N / 10)
percent_done = 0
i = 0
while i < N:
lng, lat = random_point()
# a realistic point is a point where certain_timezone_at() or tzwhere find something
if not (tz_where.tzNameAt(lat, lng)
or timezone_finder.certain_timezone_at(lng=lng, lat=lat)):
i += 1
realistic_points.append((lng, lat))
if i % ps_for_10percent == 0:
percent_done += 10
print(percent_done, '%')
print("Done.")
def test_correctness(self):
print('\nresults timezone_at()')
template = '{0:20s} | {1:20s} | {2:20s} | {3:2s}'
no_mistakes_made = True
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', '=='))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS:
computed = self.timezone_finder.timezone_at(lng=lng, lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
assert no_mistakes_made
print('\ncertain_timezone_at():')
no_mistakes_made = True
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS:
computed = self.timezone_finder.certain_timezone_at(lng=lng,
lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
assert no_mistakes_made
print('\nclosest_timezone_at():')
no_mistakes_made = True
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS_PROXIMITY:
computed = self.timezone_finder.closest_timezone_at(lng=lng,
lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
assert no_mistakes_made
def test_equality(self):
# Test the equality of the two packages for N realistic and N random points
def print_equality_test(types_of_points, list_of_points):
print('\ntesting', N, types_of_points)
print('MISMATCHES:')
template = '{0:40s} | {1:20s} | {2:21s} | {3:20s}'
print(
template.format('Point', 'timezone_at()',
'certain_timezone_at()', 'tzwhere'))
print(
'========================================================================='
)
mistakes = 0
for lng, lat in list_of_points:
his_result = self.tz_where.tzNameAt(lat, lng)
my_result_certain = self.timezone_finder.certain_timezone_at(
lng=lng, lat=lat)
# test only makes sense if certain_timezone_at() or tzwhere find something
if his_result is not None or my_result_certain is not None:
my_result = self.timezone_finder.timezone_at(lng=lng,
lat=lat)
if my_result != his_result or my_result_certain != his_result:
if his_result in excluded_zones_tzwhere and my_result in excluded_zones_timezonefinder:
print(
template.format((lat, lng), my_result,
my_result_certain, his_result),
'(not counted, see issue section)')
else:
mistakes += 1
print(
template.format(str((lat, lng)),
str(my_result),
str(my_result_certain),
str(his_result)))
print('\nin', N, 'tries', mistakes, 'mismatches were made')
fail_percentage = mistakes * 100 / (2 * N)
assert fail_percentage < 5
print_equality_test('realistic points', self.realistic_points)
print_equality_test('random points', list_of_random_points(length=N))
def test_speed(self):
def check_speed_his_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.tz_where.tzNameAt(latitude=point[1], longitude=point[0])
end_time = datetime.now()
return end_time - start_time
def check_speed_my_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_my_algor(list_of_points)
his_time = check_speed_his_algor(list_of_points)
print('')
print('\nTIMES for ', N, type_of_points)
print('tzwhere:', his_time)
print('timezonefinder:', my_time)
try:
print(round(his_time / my_time, 2), 'times faster')
except TypeError:
pass
# assert his_time > my_time
print('\n\n')
if SHAPELY:
print('shapely: ON (tzwhere)')
else:
print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def print_tf_class_props(self):
print("in memory mode:", self.in_memory_mode)
if TimezoneFinder.using_numba():
print('Numba: ON (precompiled functions in use)')
else:
print('Numba: OFF (precompiled functions NOT in use)')
class PackageEqualityTest(unittest.TestCase):
# do the preparations which have to be made only once
print("startup time:")
# if SHAPELY:
# print('shapely: ON (tzwhere)')
# else:
# print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
start_time = datetime.now()
timezone_finder = TimezoneFinder()
end_time = datetime.now()
my_time = end_time - start_time
# print('Starting tz_where. This could take a while...')
# integrated start up time test:
# (when doing this for multiple times things are already cached and therefore produce misleading results)
# start_time = datetime.now()
# tz_where = tzwhere()
# end_time = datetime.now()
# his_time = end_time - start_time
print_speedup(timezoefinder_time=my_time)
print('\n')
# create an array of n points where tzwhere finds something (realistic queries)
print('collecting and storing', N, 'realistic points for the tests...')
realistic_points = []
# real_ps_results_tzwhere = []
# real_ps_results_certain = []
ps_for_10percent = int(N / 10)
percent_done = 0
i = 0
while i < N:
lng, lat = random_point()
# a realistic point is a point where certain_timezone_at() or tzwhere find something
# if not (tz_where.tzNameAt(lat, lng) or timezone_finder.certain_timezone_at(lng=lng, lat=lat)):
if timezone_finder.certain_timezone_at(lng=lng, lat=lat):
i += 1
realistic_points.append((lng, lat))
if i % ps_for_10percent == 0:
percent_done += 10
print(percent_done, '%')
print("Done.\n")
def test_speed(self):
print("\n\nSpeed Tests:\n-------------")
# def check_speed_tzwhere(list_of_points):
# start_time = datetime.now()
# for point in list_of_points:
# self.tz_where.tzNameAt(latitude=point[1], longitude=point[0])
# end_time = datetime.now()
# return end_time - start_time
def check_speed_my_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_my_algor(list_of_points)
# his_time = check_speed_tzwhere(list_of_points)
print('\nTIMES for ', N, type_of_points)
print_speedup(timezoefinder_time=my_time)
# if SHAPELY:
# print('shapely: ON (tzwhere)')
# else:
# print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def test_shortcut_boundary(self):
# at the boundaries of the shortcut grid (coordinate system) the algorithms should still be well defined!
assert self.timezone_finder.timezone_at(lng=-180.0, lat=90.0) is None
assert self.timezone_finder.timezone_at(lng=180.0, lat=90.0) is None
assert self.timezone_finder.timezone_at(lng=180.0, lat=-90.0) is None
assert self.timezone_finder.timezone_at(lng=-180.0, lat=-90.0) is None
with pytest.raises(ValueError):
self.timezone_finder.timezone_at(lng=180.01, lat=90.0)
self.timezone_finder.timezone_at(lng=180.0, lat=90.01)
self.timezone_finder.timezone_at(lng=-180.01, lat=90.0)
self.timezone_finder.timezone_at(lng=-180.0, lat=90.01)
self.timezone_finder.timezone_at(lng=180.01, lat=-90.0)
self.timezone_finder.timezone_at(lng=180.0, lat=-90.01)
self.timezone_finder.timezone_at(lng=-180.01, lat=-90.0)
self.timezone_finder.timezone_at(lng=-180.0, lat=-90.01)
def test_correctness(self):
no_mistakes_made = True
template = '{0:20s} | {1:20s} | {2:20s} | {3:2s}'
print('\nresults timezone_at()')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', '=='))
print('====================================================================')
for (lat, lng, loc, expected) in TEST_LOCATIONS:
computed = self.timezone_finder.timezone_at(lng=lng, lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
print('\ncertain_timezone_at():')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print('====================================================================')
for (lat, lng, loc, expected) in TEST_LOCATIONS_CERTAIN:
computed = self.timezone_finder.certain_timezone_at(lng=lng, lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
print('\nclosest_timezone_at():')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print('====================================================================')
print('testing this function does not make sense any more, because the tz polygons do not follow the shoreline')
for (lat, lng, loc, expected) in TEST_LOCATIONS_PROXIMITY:
computed = self.timezone_finder.closest_timezone_at(lng=lng, lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
assert no_mistakes_made
# disabled because underlying data is completely different atm
# def test_equality(self):
# # Test the equality of the two packages for N realistic and N random points
# def print_equality_test(types_of_points, list_of_points):
# print('\ntesting', N, types_of_points)
# print('MISMATCHES:')
# template = '{0:40s} | {1:20s} | {2:21s} | {3:20s}'
# print(template.format('Point', 'timezone_at()', 'certain_timezone_at()', 'tzwhere'))
# print('=========================================================================')
# mistakes = 0
# for lng, lat in list_of_points:
# his_result = self.tz_where.tzNameAt(lat, lng)
# my_result_certain = self.timezone_finder.certain_timezone_at(lng=lng, lat=lat)
# # test only makes sense if certain_timezone_at() or tzwhere find something
# if his_result is not None or my_result_certain is not None:
# my_result = self.timezone_finder.timezone_at(lng=lng, lat=lat)
# if my_result != his_result or my_result_certain != his_result:
# if his_result in excluded_zones_tzwhere and my_result in excluded_zones_timezonefinder:
# print(template.format((lat, lng), my_result, my_result_certain,
# his_result), '(not counted, see issue section)')
# else:
# mistakes += 1
# print(template.format(str((lat, lng)), str(my_result), str(my_result_certain),
# str(his_result)))
# print('\nin', N, 'tries', mistakes, 'mismatches were made')
# fail_percentage = mistakes * 100 / (2 * N)
# assert fail_percentage < 5
#
# print_equality_test('realistic points', self.realistic_points)
# print_equality_test('random points', list_of_random_points(length=N))
@staticmethod
def test_convert2coord_pairs():
data = [[10000000, 20000000, 30000000], [10000000, 20000000, 30000000]]
# print(convert2coord_pairs(data))
assert (convert2coord_pairs(data) == [(1.0, 1.0), (2.0, 2.0), (3.0, 3.0)])
@staticmethod
def test_convert2coords():
data = [[10000000, 20000000, 30000000], [10000000, 20000000, 30000000]]
assert (convert2coords(data) == [[1.0, 2.0, 3.0], [1.0, 2.0, 3.0]])
class PackageEqualityTest(unittest.TestCase):
# do the preparations which have to be made only once
print("startup time:")
# if SHAPELY:
# print('shapely: ON (tzwhere)')
# else:
# print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
start_time = datetime.now()
timezone_finder = TimezoneFinder()
end_time = datetime.now()
my_time = end_time - start_time
# print('Starting tz_where. This could take a while...')
# integrated start up time test:
# (when doing this for multiple times things are already cached and therefore produce misleading results)
# start_time = datetime.now()
# tz_where = tzwhere()
# end_time = datetime.now()
# his_time = end_time - start_time
print_speedup(timezoefinder_time=my_time)
print('\n')
# create an array of n points where tzwhere finds something (realistic queries)
print('collecting and storing', N, 'realistic points for the tests...')
realistic_points = []
# real_ps_results_tzwhere = []
# real_ps_results_certain = []
ps_for_10percent = int(N / 10)
percent_done = 0
i = 0
while i < N:
lng, lat = random_point()
# a realistic point is a point where certain_timezone_at() or tzwhere find something
# if not (tz_where.tzNameAt(lat, lng) or timezone_finder.certain_timezone_at(lng=lng, lat=lat)):
if timezone_finder.certain_timezone_at(lng=lng, lat=lat):
i += 1
realistic_points.append((lng, lat))
if i % ps_for_10percent == 0:
percent_done += 10
print(percent_done, '%')
print("Done.\n")
def test_speed(self):
print("\n\nSpeed Tests:\n-------------")
# def check_speed_tzwhere(list_of_points):
# start_time = datetime.now()
# for point in list_of_points:
# self.tz_where.tzNameAt(latitude=point[1], longitude=point[0])
# end_time = datetime.now()
# return end_time - start_time
def check_speed_my_algor(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_my_algor(list_of_points)
# his_time = check_speed_tzwhere(list_of_points)
print('\nTIMES for ', N, type_of_points)
print_speedup(timezoefinder_time=my_time)
# if SHAPELY:
# print('shapely: ON (tzwhere)')
# else:
# print('shapely: OFF (tzwhere)')
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def test_shortcut_boundary(self):
# at the boundaries of the shortcut grid (coordinate system) the algorithms should still be well defined!
assert self.timezone_finder.timezone_at(lng=-180.0, lat=90.0) is None
assert self.timezone_finder.timezone_at(lng=180.0, lat=90.0) is None
assert self.timezone_finder.timezone_at(
lng=180.0, lat=-90.0) == 'Antarctica/McMurdo'
assert self.timezone_finder.timezone_at(
lng=-180.0, lat=-90.0) == 'Antarctica/McMurdo'
with pytest.raises(ValueError):
self.timezone_finder.timezone_at(lng=180.01, lat=90.0)
self.timezone_finder.timezone_at(lng=180.0, lat=90.01)
self.timezone_finder.timezone_at(lng=-180.01, lat=90.0)
self.timezone_finder.timezone_at(lng=-180.0, lat=90.01)
self.timezone_finder.timezone_at(lng=180.01, lat=-90.0)
self.timezone_finder.timezone_at(lng=180.0, lat=-90.01)
self.timezone_finder.timezone_at(lng=-180.01, lat=-90.0)
self.timezone_finder.timezone_at(lng=-180.0, lat=-90.01)
def test_kwargs_only(self):
# calling timezonefinder fcts without keyword arguments should raise an error
with pytest.raises(TypeError):
self.timezone_finder.timezone_at(23.0, 42.0)
self.timezone_finder.timezone_at(23.0, lng=42.0)
self.timezone_finder.timezone_at(23.0, lat=42.0)
def test_correctness(self):
no_mistakes_made = True
template = '{0:20s} | {1:20s} | {2:20s} | {3:2s}'
print('\nresults timezone_at()')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', '=='))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS:
computed = self.timezone_finder.timezone_at(lng=lng, lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
print('\ncertain_timezone_at():')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS_CERTAIN:
computed = self.timezone_finder.certain_timezone_at(lng=lng,
lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
print('\nclosest_timezone_at():')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print(
'===================================================================='
)
print(
'testing this function does not make sense any more, because the tz polygons do not follow the shoreline'
)
for (lat, lng, loc, expected) in TEST_LOCATIONS_PROXIMITY:
computed = self.timezone_finder.closest_timezone_at(lng=lng,
lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
assert no_mistakes_made
# disabled because underlying data is completely different atm
# def test_equality(self):
# # Test the equality of the two packages for N realistic and N random points
# def print_equality_test(types_of_points, list_of_points):
# print('\ntesting', N, types_of_points)
# print('MISMATCHES:')
# template = '{0:40s} | {1:20s} | {2:21s} | {3:20s}'
# print(template.format('Point', 'timezone_at()', 'certain_timezone_at()', 'tzwhere'))
# print('=========================================================================')
# mistakes = 0
# for lng, lat in list_of_points:
# his_result = self.tz_where.tzNameAt(lat, lng)
# my_result_certain = self.timezone_finder.certain_timezone_at(lng=lng, lat=lat)
# # test only makes sense if certain_timezone_at() or tzwhere find something
# if his_result is not None or my_result_certain is not None:
# my_result = self.timezone_finder.timezone_at(lng=lng, lat=lat)
# if my_result != his_result or my_result_certain != his_result:
# if his_result in excluded_zones_tzwhere and my_result in excluded_zones_timezonefinder:
# print(template.format((lat, lng), my_result, my_result_certain,
# his_result), '(not counted, see issue section)')
# else:
# mistakes += 1
# print(template.format(str((lat, lng)), str(my_result), str(my_result_certain),
# str(his_result)))
# print('\nin', N, 'tries', mistakes, 'mismatches were made')
# fail_percentage = mistakes * 100 / (2 * N)
# assert fail_percentage < 5
#
# print_equality_test('realistic points', self.realistic_points)
# print_equality_test('random points', list_of_random_points(length=N))
@staticmethod
def test_convert2coord_pairs():
data = [[10000000, 20000000, 30000000], [10000000, 20000000, 30000000]]
# print(convert2coord_pairs(data))
assert (convert2coord_pairs(data) == [(1.0, 1.0), (2.0, 2.0),
(3.0, 3.0)])
@staticmethod
def test_convert2coords():
data = [[10000000, 20000000, 30000000], [10000000, 20000000, 30000000]]
assert (convert2coords(data) == [[1.0, 2.0, 3.0], [1.0, 2.0, 3.0]])
@staticmethod
def test_coord2shortcut():
def coord2shortcut_test_fct(input):
(lng, lat) = input
return coord2shortcut(lng, lat)
data = [
# shortcut numbering starts at "the top left" with x,y= 0,0
# always (only) the "top" and "left" borders belong to a shortcut
# the other borders belong to the next neighbouring shortcut
((-180.0, 90.0), (0, 0)),
# shortcuts are constant for every 1 degree lng and 0.5 degree lat
# defined with NR_SHORTCUTS_PER_LNG, NR_SHORTCUTS_PER_LAT in timezonefinder.file_converter
((-179.9, 89.9), (0, 0)),
# shortcut numbering follows the lng, lat coordinate grid
((-179.0, 90.0), (1, 0)),
((-178.9, 89.9), (1, 0)),
((-180.0, 89.5), (0, 1)),
((-179.9, 89.4), (0, 1)),
((-180.0, 89.0), (0, 2)),
((-179.9, 88.9), (0, 2)),
# shortcut numbering end at "the top left" with x,y= 359, 359
# lng= 180.0 == -180.0
# lat =-90.0 is not allowed (=bottom border of a shortcut)
((179.9, -89.9), (359, 359)),
((179.8, -89.8), (359, 359)),
]
proto_test_case(data, coord2shortcut_test_fct)
def test_overflow(self):
longitude = -123.2
latitude = 48.4
# make numpy overflow runtime warning raise an error
import numpy as np
np.seterr(all='warn')
import warnings
warnings.filterwarnings('error')
# must not raise a warning
self.timezone_finder.certain_timezone_at(lat=float(latitude),
lng=float(longitude))
def setUp(self):
if sys.version_info[0] < 3:
self.timezone_finder = TimezoneFinder()
else:
print("** In Memory test")
self.timezone_finder = TimezoneFinder(in_memory=True)
def setUp(self):
self.timezone_finder = TimezoneFinder()
class MainPackageTest(unittest.TestCase):
# do the preparations which have to be made only once
print("startup time:")
if TimezoneFinder.using_numba():
print('Numba: ON (precompiled functions in use)')
else:
print('Numba: OFF (precompiled functions NOT in use)')
start_time = datetime.now()
timezone_finder = TimezoneFinder()
end_time = datetime.now()
my_time = end_time - start_time
print_time(timezoefinder_time=my_time)
print('\n')
# create an array of points where timezone_finder finds something (realistic queries)
print('collecting and storing', N, 'realistic points for the tests...')
realistic_points = []
ps_for_10percent = int(N / 10)
percent_done = 0
i = 0
while i < N:
lng, lat = random_point()
# a realistic point is a point where certain_timezone_at() finds something
if timezone_finder.certain_timezone_at(lng=lng, lat=lat):
i += 1
realistic_points.append((lng, lat))
if i % ps_for_10percent == 0:
percent_done += 10
print(percent_done, '%')
print("Done.\n")
def setUp(self):
self.timezone_finder = TimezoneFinder()
def test_speed(self):
print("\n\nSpeed Tests:\n-------------")
def check_speed_of_algorithm(list_of_points):
start_time = datetime.now()
for point in list_of_points:
self.timezone_finder.timezone_at(lng=point[0], lat=point[1])
end_time = datetime.now()
return end_time - start_time
def print_speed_test(type_of_points, list_of_points):
my_time = check_speed_of_algorithm(list_of_points)
print('\nrequired time for ', N, type_of_points)
print_time(timezoefinder_time=my_time)
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
print_speed_test('realistic points', self.realistic_points)
print_speed_test('random points', list_of_random_points(length=N))
def test_shortcut_boundary(self):
# at the boundaries of the shortcut grid (coordinate system) the algorithms should still be well defined!
assert self.timezone_finder.timezone_at(lng=-180.0, lat=90.0) is None
assert self.timezone_finder.timezone_at(lng=180.0, lat=90.0) is None
assert self.timezone_finder.timezone_at(
lng=180.0, lat=-90.0) == 'Antarctica/McMurdo'
assert self.timezone_finder.timezone_at(
lng=-180.0, lat=-90.0) == 'Antarctica/McMurdo'
with pytest.raises(ValueError):
self.timezone_finder.timezone_at(lng=180.0 + INT2COORD_FACTOR,
lat=90.0)
self.timezone_finder.timezone_at(lng=-180.0 - INT2COORD_FACTOR,
lat=90.0 + INT2COORD_FACTOR)
self.timezone_finder.timezone_at(lng=-180.0,
lat=90.0 + INT2COORD_FACTOR)
self.timezone_finder.timezone_at(lng=180.0 + INT2COORD_FACTOR,
lat=-90.0)
self.timezone_finder.timezone_at(lng=180.0,
lat=-90.0 - INT2COORD_FACTOR)
self.timezone_finder.timezone_at(lng=-180.0 - INT2COORD_FACTOR,
lat=-90.0)
self.timezone_finder.timezone_at(lng=-180.0 - INT2COORD_FACTOR,
lat=-90.01 - INT2COORD_FACTOR)
def test_kwargs_only(self):
# calling timezonefinder fcts without keyword arguments should raise an error
with pytest.raises(TypeError):
self.timezone_finder.timezone_at(23.0, 42.0)
self.timezone_finder.timezone_at(23.0, lng=42.0)
self.timezone_finder.timezone_at(23.0, lat=42.0)
def test_correctness(self):
no_mistakes_made = True
template = '{0:20s} | {1:20s} | {2:20s} | {3:2s}'
print('\nresults timezone_at()')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', '=='))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS:
computed = self.timezone_finder.timezone_at(lng=lng, lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
print('\ncertain_timezone_at():')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print(
'===================================================================='
)
for (lat, lng, loc, expected) in TEST_LOCATIONS_CERTAIN:
computed = self.timezone_finder.certain_timezone_at(lng=lng,
lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
print('\nclosest_timezone_at():')
print(template.format('LOCATION', 'EXPECTED', 'COMPUTED', 'Status'))
print(
'===================================================================='
)
print(
'testing this function does not make sense any more, because the tz polygons do not follow the shoreline'
)
for (lat, lng, loc, expected) in TEST_LOCATIONS_PROXIMITY:
computed = self.timezone_finder.closest_timezone_at(lng=lng,
lat=lat)
if computed == expected:
ok = 'OK'
else:
print(lat, lng)
ok = 'XX'
no_mistakes_made = False
print(template.format(loc, str(expected), str(computed), ok))
assert no_mistakes_made
def test_overflow(self):
longitude = -123.2
latitude = 48.4
# make numpy overflow runtime warning raise an error
import numpy as np
np.seterr(all='warn')
import warnings
warnings.filterwarnings('error')
# must not raise a warning
self.timezone_finder.certain_timezone_at(lat=float(latitude),
lng=float(longitude))
def random_point():
# tzwhere does not work for points with more latitude!
return random.uniform(-180, 180), random.uniform(-84, 84)
def list_of_random_points(length):
return [random_point() for i in range(length)]
duration_idle_mem_test = 20
duration_in_use_mem_test = 20
if __name__ == '__main__':
if TimezoneFinder.using_numba():
print('Numba: ON (timezonefinder)')
else:
print('Numba: OFF (timezonefinder)')
start_time = datetime.now()
timezone_finder = TimezoneFinder()
end_time = datetime.now()
my_time = end_time - start_time
print('\nStartup time:')
print('timezonefinder:', my_time)
print(
"Check the memory usage of python in your process list (Task Manager, Activity Manager...)"
)
