Files
python3-damaris/tests/test_Accumulation.py
markusro b46debad69
Build Debian Packages / build (trixie, debian13) (push) Successful in 14m2s
Build Debian Packages / build (bookworm, debian12) (push) Successful in 14m11s
Build Debian Packages / build (bullseye, debian11) (push) Has been cancelled
Fixed #13 and #14
2026-07-05 14:07:57 +02:00

288 lines
10 KiB
Python

import os
import subprocess
import unittest
from datetime import datetime
import numpy as np
from damaris.data.ADC_Result import ADC_Result
from damaris.data.Accumulation import Accumulation
class TestAccumulation(unittest.TestCase):
@staticmethod
def create_adc_result():
x = np.array([0.0, 1.0, 2.0])
y = [np.array([10, 20, 30]), np.array([15, 25, 35])]
index = [(0, 1)]
job_date = datetime(2023, 1, 1)
desc = {"key": "value"}
sampl_freq = 1000.0
job_id = 11
adc = ADC_Result(x, y, index, sampl_freq, desc, job_id, job_date)
adc.set_nChannels(2)
return adc
def test_constructor_with_no_arguments(self):
"""Test initializer with no arguments."""
accu = Accumulation()
self.assertFalse(accu.contains_data())
self.assertEqual(accu.sampling_rate, 0)
self.assertEqual(len(accu.index), 0)
self.assertEqual(len(accu.x), 0)
self.assertEqual(len(accu.y), 0)
def test_constructor_with_arguments(self):
"""Test initializer with all arguments."""
x = np.array([0.0, 1.0, 2.0])
y = [np.array([10, 20, 30]), np.array([15, 25, 35])]
n = 1
index = [(0, 2)]
sampl_freq = 1000.0
accu = Accumulation(x=x,
y=y,
y_2=None,
index=index,
sampl_freq=sampl_freq,
n=n)
self.assertTrue(accu.contains_data())
self.assertEqual(accu.sampling_rate, sampl_freq)
self.assertEqual(accu.x.all(), x.all())
self.assertEqual(accu.y[0].all(), y[0].all())
# TODO make testing strict with array types!
np.testing.assert_array_equal(accu.x, np.array(x, dtype="float32"), strict=False)
np.testing.assert_array_equal(accu.y[0], np.array(y[0], dtype="int16"), strict=False)
np.testing.assert_array_equal(accu.y[1], np.array(y[1], dtype="int16"), strict=False)
def test_add_adc_result(self):
"""Test adding sample space."""
adc = self.create_adc_result()
accu = Accumulation()
accu += adc
self.assertEqual(len(adc.x), len(accu.x))
self.assertEqual(len(adc.y[0]), len(accu.y[0]))
self.assertEqual(adc.index[-1], accu.index[-1])
np.testing.assert_array_equal(accu.x, adc.x)
np.testing.assert_array_equal(accu.y[0], adc.y[0])
def test_add_accumulation(self):
"""Test adding sample space."""
adc1 = self.create_adc_result()
adc1.set_description("common", "somerandomtext")
adc1.set_description("same_variable", "somerandomtext_variable1")
adc1.set_description("variable1", "somerandomtext_variable1_1")
adc2 = self.create_adc_result()
adc2.set_description("common", "somerandomtext")
adc2.set_description("same_variable", "somerandomtext_variable2")
adc2.set_description("variable2", "somerandomtext_variable2_2")
accu1 = Accumulation()
accu1 += adc1
print(accu1.common_descriptions)
accu2 = Accumulation()
accu2 += adc2
accu2 += accu1
self.assertEqual(len(accu1.x), len(accu2.x))
self.assertEqual(len(accu1.y[0]), len(accu2.y[0]))
self.assertEqual(accu1.index[-1], accu2.index[-1])
self.assertEqual(accu1.common_descriptions["same_variable"], "somerandomtext_variable1")
self.assertEqual(accu2.common_descriptions["common"], "somerandomtext")
np.testing.assert_array_equal(accu2.x, accu1.x)
np.testing.assert_array_equal(accu2.y[0], accu1.y[0]*2)
def test_get_accu_by_index(self):
"""Test retrieving data by index."""
accu = Accumulation()
adc = self.create_adc_result()
adc.index = [(0, 1), (1, 2)]
adc.job_id = 42
accu += adc
sub_result = accu.get_accu_by_index(1)
self.assertEqual(sub_result.sampling_rate, 1000.0)
self.assertTrue(np.array_equal(sub_result.x, np.array([1.0, 2.0])))
self.assertTrue(np.array_equal(sub_result.y[0], np.array([20, 30])))
self.assertTrue(np.array_equal(sub_result.y[1], np.array([25, 35])))
self.assertEqual(sub_result.index, [(0, 1)])
self.assertEqual(sub_result.common_descriptions, {"key": "value"})
def test_write_to_csv_without_error(self):
"""Test the functionality of writing to CSV."""
from io import StringIO
x = np.array([0.0, 1.0])
y = [np.array([10, 20]), np.array([15, 25])]
index = [(0, 1)]
job_date = datetime(2023, 1, 1)
desc = {"key": "value"}
sampl_freq = 1000.0
job_id=9
adc = ADC_Result(x, y, index, sampl_freq, desc, job_id, job_date)
accu = Accumulation()
accu += adc
output = StringIO()
accu.write_to_csv(output, delimiter=",")
content = output.getvalue()
expected = (
"# accumulation 1\n"
"# key : value\n"
"# t ch0_mean ch1_mean\n"
"0.000000e+00,1.000000e+01,1.500000e+01\n"
"1.000000e+00,2.000000e+01,2.500000e+01\n"
)
self.assertEqual(content, expected)
def test_write_to_csv_with_error(self):
"""Test the functionality of writing to CSV."""
from io import StringIO
x = np.array([0.0, 1.0])
y = [np.array([10, 20]), np.array([15, 25])]
index = [(0, 1)]
job_date = datetime(2023, 1, 1)
desc = {"key": "value"}
sampl_freq = 1000.0
job_id=9
adc = ADC_Result(x, y, index, sampl_freq, desc, job_id, job_date)
accu = Accumulation(error=True)
accu += adc
output = StringIO()
accu.write_to_csv(output, delimiter=",")
content = output.getvalue()
expected = (
"# accumulation 1\n"
"# key : value\n"
"# t ch0_mean ch0_err ch1_mean ch1_err\n"
"0.000000e+00,1.000000e+01,0.000000e+00,1.500000e+01,0.000000e+00\n"
"1.000000e+00,2.000000e+01,0.000000e+00,2.500000e+01,0.000000e+00\n"
)
self.assertEqual(content, expected)
def test_write_to_hdf(self):
"""Test the functionality of writing to HDF."""
import tables
# do not change the values here, or you need to recreate the h5dump with new values
x = np.array([0.0, 1.0])
y = [np.array([10, 20]), np.array([15, 25])]
index = [(0, 1)]
job_date = datetime(2023, 1, 1)
desc = {"key": "value"}
sampl_freq = 1000.0
job_id = 10
adc = ADC_Result(x, y, index, sampl_freq, desc, job_id, job_date)
accu = Accumulation()
accu += adc
# write out data
hdffile = tables.open_file("testaccu.hdf5", mode="w")
accu.write_to_hdf(hdffile, where="/", name="name", title="title", complib="zlib", complevel=3)
hdffile.close()
# read back data with h5dump utility (apt-get -y install hdf5-tools)
h5dump = subprocess.run(["h5dump", "-d", "/name/accu_data", "testaccu.hdf5"], capture_output=True)
content = h5dump.stdout.decode("utf-8")
# Use path relative to project root
test_dir = os.path.dirname(__file__)
with open(os.path.join(test_dir, "h5dump1_accu.ascii"), "r") as f:
expected = f.read()
self.assertEqual(content, expected)
os.unlink("testaccu.hdf5")
def test_operator_len(self):
"""Test the functionality of __len__"""
adc = self.create_adc_result()
accu = Accumulation()
accu += adc
self.assertEqual(len(accu), 3)
def test_operator_add_scalar(self):
"""
Test the functionality of __add__ and __radd__
"""
adc = self.create_adc_result()
accu = Accumulation()
accu += adc
y = adc.y
# test integer addition
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i]+10, y[i] + 10)
accu += 10
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] + 10)
# test float addition
accu += 10.
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] + 10 + 10.)
def test_operator_sub_scalar(self):
"""
Test the functionality of __sub__ and __rsub__
"""
adc = self.create_adc_result()
y = adc.y
accu = Accumulation()
accu += adc
# test integer subtraction
accu -= 10
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] - 10)
# test float subtraction
adc -= 10.
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] - 10 - 10.)
def test_operator_mul_scalar(self):
"""
Test the functionality of __mul and __rmul__
"""
adc = self.create_adc_result()
y = adc.y
accu = Accumulation()
accu += adc
# test integer multiplication
accu *= 10
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] * 10)
# test float multiplication
accu *= 10.0
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] * 10 * 10.0)
def test_operator_truediv_scalar(self):
"""
Test the functionality of __truediv__ and __itruediv__
"""
adc = self.create_adc_result()
y = adc.y
accu = Accumulation()
accu += adc
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i]/10, y[i] / 10)
accu /= 10
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] / 10)
def test_operator_floordiv_scalar(self):
"""
Test the functionality of __floordiv__ and __ifloordiv__
"""
adc = self.create_adc_result()
y = adc.y
accu = Accumulation()
accu += adc
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i]//10, y[i] // 10)
accu //= 10
for i in range(adc.get_nChannels()):
np.testing.assert_array_equal(accu.y[i], y[i] // 10)
self.assertRaises(ValueError, accu.__floordiv__, 1.0)
self.assertRaises(ValueError, accu.__ifloordiv__, 1.0)
if __name__ == "__main__":
unittest.main()