Files
aare/python/tests/test_Transformation.py
T
Erik Fröjdh 4408fe95b0
Build on RHEL9 / build (push) Successful in 3m7s
Build on RHEL8 / build (push) Successful in 3m41s
Run tests using data on local RHEL8 / build (push) Successful in 4m35s
Build on local RHEL8 / build (push) Successful in 3m23s
Fixed failing tests due to updated bindings (#420)
- New python bindings return a (1,n_bytes) array instead of a 1d array
- Flatten on python side before transform
2026-10-13 15:00:45 +02:00

90 lines
3.6 KiB
Python

# SPDX-License-Identifier: MPL-2.0
import pytest
import numpy as np
from aare import CtbRawFile, transform
@pytest.mark.withdata
def test_matterhorn10_16bit(test_data_path):
"""Matterhorn10Transform 1 counter 16 bit dynamic range"""
with CtbRawFile(test_data_path / "raw/Matterhorn10/16bit_master_0.json", transform = transform.Matterhorn10Transform(dynamic_range=16, num_counters=1)) as f:
headers, frames = f.read_frame()
assert frames.shape == (1, 256, 256)
assert frames.dtype == np.uint16
expected_data = np.tile(np.arange(255, -1, -1,dtype=np.uint16), (1, 256, 1)) # TODO: endianess issue ?
assert np.all(frames == expected_data)
@pytest.mark.withdata
def test_matterhorn10_8bit(test_data_path):
"""Matterhorn10Transform 1 counter 8 bit dynamic range"""
with CtbRawFile(test_data_path / "raw/Matterhorn10/8bit_master_1.json", transform = transform.Matterhorn10Transform(dynamic_range=8, num_counters=1)) as f:
headers, frames = f.read_frame()
assert frames.shape == (1, 256, 256)
assert frames.dtype == np.uint8
expected_data = np.tile(np.arange(255, -1, -1,dtype=np.uint8), (1, 256, 1)) # TODO: endianess issue ?
assert np.all(frames == expected_data)
@pytest.mark.withdata
def test_matterhorn10_4bit(test_data_path):
""" Matterhorn10Transform 1 counter 4 bit dynamic range """
with CtbRawFile(test_data_path / "raw/Matterhorn10/newnewrun_4bit_1counter_master_0.json", transform = transform.Matterhorn10Transform(dynamic_range=4, num_counters=1)) as f:
headers, frames = f.read_frame()
assert frames.shape == (1, 256, 256)
assert frames.dtype == np.uint8
expected_data = np.tile(np.tile(np.arange(15, -1, -1, dtype=np.uint8), 16), (1, 256, 1)) # TODO: endianess issue ?
assert np.all(frames == expected_data)
@pytest.mark.withdata
def test_matterhorn10_16bit_4counters(test_data_path):
"""Matterhorn10Transform 4 counters 16 bit dynamic range"""
with CtbRawFile(test_data_path / "raw/Matterhorn10/4counter_16bit_master_4.json", transform = transform.Matterhorn10Transform(dynamic_range=16, num_counters=4)) as f:
headers, frames = f.read_frame()
assert frames.shape == (4, 256, 256)
assert frames.dtype == np.uint16
expected_data = np.tile(np.arange(255, -1, -1,dtype=np.uint16), (4, 256, 1)) # TODO: endianess issue ?
assert np.all(frames == expected_data)
def test_matterhorn10_4bit_accepts_2d_frame():
"""CtbRawFile.read_frame returns a (1, n_bytes) array; the 4 bit path must accept it"""
n_bytes = (transform.Matterhorn10.nRows * transform.Matterhorn10.nCols * 4) // 8
data = (np.arange(n_bytes) % 256).astype(np.uint8).reshape(1, n_bytes)
t = transform.Matterhorn10Transform(dynamic_range=4, num_counters=1)
frames = t(data)
assert frames.shape == (1, 256, 256)
assert frames.dtype == np.uint8
flat = data.reshape(-1)
nibbles = np.stack([flat & 0x0F, flat >> 4], axis=-1).reshape(-1)
expected = np.take(nibbles, t.pixel_map).reshape(1, 256, 256)
assert np.array_equal(frames, expected)
def test_mythen302_accepts_2d_frame():
"""CtbRawFile.read_frame returns a (1, n_bytes) array; Mythen302Transform must accept it"""
n_bytes = 64 * 3 * 3 + 2 # two extra bytes for the 4 bit offset
rng = np.random.default_rng(0)
data = rng.integers(0, 256, size=(1, n_bytes), dtype=np.uint8)
t = transform.Mythen302Transform(offset=4)
res = t(data)
assert res.shape == (64, 3)
assert res.dtype == np.uint32
assert np.array_equal(res, t(data.reshape(-1)))