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import os
import pytest
import numpy as np
from pynpoint.core.pypeline import Pypeline
from pynpoint.readwrite.fitsreading import FitsReadingModule
from pynpoint.processing.basic import SubtractImagesModule, AddImagesModule, RotateImagesModule, \
RepeatImagesModule
from pynpoint.util.tests import create_config, remove_test_data, create_star_data
class TestBasic:
def setup_class(self) -> None:
self.limit = 1e-10
self.test_dir = os.path.dirname(__file__) + '/'
create_star_data(self.test_dir+'data1')
create_star_data(self.test_dir+'data2')
create_star_data(self.test_dir+'data3')
create_config(self.test_dir+'PynPoint_config.ini')
self.pipeline = Pypeline(self.test_dir, self.test_dir, self.test_dir)
def teardown_class(self) -> None:
remove_test_data(self.test_dir, folders=['data1', 'data2', 'data3'])
def test_read_data(self) -> None:
module = FitsReadingModule(name_in='read1',
image_tag='data1',
input_dir=self.test_dir+'data1',
overwrite=True,
check=True)
self.pipeline.add_module(module)
module = FitsReadingModule(name_in='read2',
image_tag='data2',
input_dir=self.test_dir+'data2',
overwrite=True,
check=True)
self.pipeline.add_module(module)
module = FitsReadingModule(name_in='read3',
image_tag='data3',
input_dir=self.test_dir+'data3',
overwrite=True,
check=True)
self.pipeline.add_module(module)
self.pipeline.run_module('read1')
self.pipeline.run_module('read2')
self.pipeline.run_module('read3')
data = self.pipeline.get_data('data1')
assert np.sum(data) == pytest.approx(105.54278879805277, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
data = self.pipeline.get_data('data2')
assert np.sum(data) == pytest.approx(105.54278879805277, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
data = self.pipeline.get_data('data3')
assert np.sum(data) == pytest.approx(105.54278879805277, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
def test_subtract_images(self) -> None:
module = SubtractImagesModule(name_in='subtract',
image_in_tags=('data1', 'data2'),
image_out_tag='subtract',
scaling=1.)
self.pipeline.add_module(module)
self.pipeline.run_module('subtract')
data = self.pipeline.get_data('subtract')
assert np.sum(data) == pytest.approx(0., rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
def test_add_images(self) -> None:
module = AddImagesModule(name_in='add',
image_in_tags=('data1', 'data2'),
image_out_tag='add',
scaling=1.)
self.pipeline.add_module(module)
self.pipeline.run_module('add')
data = self.pipeline.get_data('add')
assert np.sum(data) == pytest.approx(211.08557759610554, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
def test_rotate_images(self) -> None:
module = RotateImagesModule(name_in='rotate',
image_in_tag='data1',
image_out_tag='rotate',
angle=10.)
self.pipeline.add_module(module)
self.pipeline.run_module('rotate')
data = self.pipeline.get_data('rotate')
assert np.sum(data) == pytest.approx(105.86657256219851, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
def test_repeat_images(self) -> None:
module = RepeatImagesModule(name_in='repeat',
image_in_tag='data1',
image_out_tag='repeat',
repeat=2)
self.pipeline.add_module(module)
self.pipeline.run_module('repeat')
data1 = self.pipeline.get_data('data1')
assert data1.shape == (10, 11, 11)
data2 = self.pipeline.get_data('repeat')
assert data2.shape == (20, 11, 11)
assert data1 == pytest.approx(data2[0:10, ], rel=self.limit, abs=0.)
assert data1 == pytest.approx(data2[10:20, ], rel=self.limit, abs=0.)
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