def test_nb_points_cut_bigger_than_ts_length(self):
"""
Check behavior when bad arguments provided
case: DEGRADED
number of points bigger than time series length
"""
start_cut = int(1e12 + 3500)
nb_points_cut = 10
result_tsuids = []
expected_result = np.array([
[1e12 + 6000, 25.89],
[1e12 + 8000, 3.0],
[1e12 + 9000, 21.2],
[1e12 + 40000, 18],
[1e12 + 43000, 15.0],
[1e12 + 43500, 12.0],
[1e12 + 44000, 7.5],
[1e12 + 52000, 35.0]])
try:
# Call algorithm
result = dataset_cut(ds_name=self.ds_name, start=start_cut, nb_points=nb_points_cut, use_spark=True)
result_tsuids = [x['tsuid'] for x in result]
self.assertEqual(len(result_tsuids), 5)
for tsuid_res in result_tsuids:
self.array_equality(expected_data=expected_result, tsuid_result=tsuid_res)
except Exception:
self.fail("Unexpected error or assert failure in tests")
finally:
# Clean up
if result_tsuids:
for tsuid_res in result_tsuids:
IkatsApi.ts.delete(tsuid=tsuid_res, no_exception=True)
def test_degraded_bad_arguments_without_exception(self):
"""
Check behavior when bad arguments provided
case: DEGRADED
"""
# CASE: dataset does not exist
start_cut = int(1e12 + 44000)
end_cut = int(1e12 + 45000)
result = dataset_cut(ds_name="unknown", start=start_cut, end=end_cut, use_spark=True)
self.assertEqual(len(result), 0)
# CASE: empty dataset
start_cut = int(1e12 + 44000)
end_cut = int(1e12 + 45000)
IkatsApi.ds.create("empty_ds", "", [])
try:
result = dataset_cut(ds_name="empty_ds", start=start_cut, end=end_cut, use_spark=True)
self.assertEqual(len(result), 0)
finally:
IkatsApi.ds.delete(ds_name="empty_ds", deep=False)
def boundary_test_with_chunks_1(self):
"""
Compute the cut on a single time series
between start and end date with several chunks of data
Check the time series is cut as expected
case: BOUNDARY
start date not aligned with point date (1ms less than a real point)
end date not aligned with point date (1ms more than a real point)
"""
start_cut = int(1e12 + 2999)
end_cut = int(1e12 + 44001)
nb_points_cut = None
ds_name = "DS_Test_Cut_Dataset_3"
result_tsuids = []
expected_result = np.array([
[1e12 + 3000, 8.0],
[1e12 + 6000, 25.89],
[1e12 + 8000, 3.0],
[1e12 + 9000, 21.2],
[1e12 + 40000, 18],
[1e12 + 43000, 15.0],
[1e12 + 43500, 12.0],
[1e12 + 44000, 7.5]
])
IkatsApi.ds.create(ds_name=ds_name, description="", tsuid_list=[self.tsuid1])
try:
# Call algorithm
result = dataset_cut(ds_name=ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut,
nb_points_by_chunk=2, use_spark=True)
result_tsuids = [x['tsuid'] for x in result]
self.assertEqual(len(result_tsuids), 1)
for tsuid_res in result_tsuids:
self.array_equality(expected_data=expected_result, tsuid_result=tsuid_res)
except Exception:
self.fail("Unexpected error or assert failure in tests")
finally:
# Clean up
IkatsApi.ds.delete(ds_name=ds_name, deep=False)
if result_tsuids:
for tsuid_res in result_tsuids:
IkatsApi.ts.delete(tsuid=tsuid_res, no_exception=True)
def test_nominal_end_date(self):
"""
Compute the cut on a single time series
between start and end date
Check the time series is cut as expected
case: NOMINAL
"""
start_cut = int(1e12 + 3000)
end_cut = int(1e12 + 44000)
nb_points_cut = None
ds_name = "DS_Test_Cut_Dataset_2"
result_tsuids = []
expected_result = np.array([
[1e12 + 3000, 8.0],
[1e12 + 6000, 25.89],
[1e12 + 8000, 3.0],
[1e12 + 9000, 21.2],
[1e12 + 40000, 18],
[1e12 + 43000, 15.0],
[1e12 + 43500, 12.0],
[1e12 + 44000, 7.5]
])
IkatsApi.ds.create(ds_name=ds_name, description="", tsuid_list=[self.tsuid1])
try:
# Call algorithm
result = dataset_cut(ds_name=ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
result_tsuids = [x['tsuid'] for x in result]
self.assertEqual(len(result_tsuids), 1)
for tsuid_res in result_tsuids:
self.array_equality(expected_data=expected_result, tsuid_result=tsuid_res)
except Exception:
self.fail("Unexpected error or assert failure in tests")
finally:
# Clean up
IkatsApi.ds.delete(ds_name=ds_name, deep=False)
if result_tsuids:
for tsuid_res in result_tsuids:
IkatsApi.ts.delete(tsuid=tsuid_res, no_exception=True)
def test_degraded_no_points_in_range(self):
"""
Check behavior when bad arguments provided
case: DEGRADED
"""
# CASE: 1 of all TS has no points in range
start_cut = int(1e12 + 3000)
end_cut = int(1e12 + 9000)
result_tsuids = []
expected_result = np.array([
[1e12 + 3000, 8.0],
[1e12 + 6000, 25.89],
[1e12 + 8000, 3.0],
[1e12 + 9000, 21.2]
])
tsuid, fid = _init_nominal(6, 10000)
ds_name = "ds_test_cut_dataset"
try:
IkatsApi.ds.delete(ds_name=ds_name, deep=False)
finally:
IkatsApi.ds.create(ds_name, "", [tsuid, self.tsuid1, self.tsuid2])
try:
# Call algorithm
result = dataset_cut(ds_name=ds_name, start=start_cut, end=end_cut, use_spark=True)
result_tsuids = [x['tsuid'] for x in result]
self.assertEqual(len(result_tsuids), 2)
for tsuid_res in result_tsuids:
self.array_equality(expected_data=expected_result, tsuid_result=tsuid_res)
except Exception:
self.fail("Unexpected error or assert failure in tests")
finally:
# Clean up
IkatsApi.ts.delete(tsuid, no_exception=True)
IkatsApi.ds.delete(ds_name=ds_name, deep=False)
if result_tsuids:
for tsuid_res in result_tsuids:
IkatsApi.ts.delete(tsuid=tsuid_res, no_exception=True)
def test_dataset_multi_ts(self):
"""
Compute the cut on a multi time series dataset
between start and end date with several chunks of data
Check the time series are cut as expected
case: NOMINAL
"""
start_cut = int(1e12 + 3000)
end_cut = int(1e12 + 44000)
nb_points_cut = None
result_tsuids = []
expected_result = np.array([
[1e12 + 3000, 8.0],
[1e12 + 6000, 25.89],
[1e12 + 8000, 3.0],
[1e12 + 9000, 21.2],
[1e12 + 40000, 18],
[1e12 + 43000, 15.0],
[1e12 + 43500, 12.0],
[1e12 + 44000, 7.5]
])
try:
# Call algorithm
result = dataset_cut(ds_name=self.ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut,
nb_points_by_chunk=7, use_spark=True)
result_tsuids = [x['tsuid'] for x in result]
self.assertEqual(len(result_tsuids), 5)
for tsuid_res in result_tsuids:
self.array_equality(expected_data=expected_result, tsuid_result=tsuid_res)
except Exception:
self.fail("Unexpected error or assert failure in tests")
finally:
# Clean up
if result_tsuids:
for tsuid_res in result_tsuids:
IkatsApi.ts.delete(tsuid=tsuid_res, no_exception=True)
def test_degraded_bad_arguments_exception_raised(self):
"""
Check behavior when bad arguments provided
case: DEGRADED
"""
with self.assertRaises(ValueError):
# CASE: no dataset name provided
start_cut = int(1e12 + 3000)
end_cut = int(1e12 + 44000)
nb_points_cut = None
# noinspection PyTypeChecker
dataset_cut(ds_name=None, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
with self.assertRaises(ValueError):
# CASE: no start date provided
start_cut = None
end_cut = int(1e12 + 44000)
nb_points_cut = None
# noinspection PyTypeChecker
dataset_cut(ds_name=self.ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
with self.assertRaises(ValueError):
# CASE: no end date nor nb points provided
start_cut = int(1e12 + 3000)
end_cut = None
nb_points_cut = None
dataset_cut(ds_name=self.ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
with self.assertRaises(ValueError):
# CASE: end date and number of points provided together
start_cut = int(1e12 + 3000)
end_cut = int(1e12 + 44000)
nb_points_cut = 18
dataset_cut(ds_name=self.ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
with self.assertRaises(ValueError):
# CASE: end date and start date are equal
start_cut = int(1e12 + 44000)
end_cut = int(1e12 + 44000)
nb_points_cut = None
dataset_cut(ds_name=self.ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
with self.assertRaises(ValueError):
# CASE: end date lesser than start date
start_cut = int(1e12 + 44000)
end_cut = int(1e12 + 40000)
nb_points_cut = None
dataset_cut(ds_name=self.ds_name, start=start_cut, end=end_cut, nb_points=nb_points_cut, use_spark=True)
with self.assertRaises(ValueError):
# CASE: number of points <0
start_cut = int(1e12 + 44000)
nb_points = -5
result = dataset_cut(ds_name="unknown", start=start_cut, nb_points=nb_points, use_spark=True)
self.assertEqual(len(result), 0)
