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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.filter import GaussianFilterModule
from pynpoint.util.tests import create_config, remove_test_data, create_star_data
class TestFilter:
def setup_class(self) -> None:
self.limit = 1e-10
self.test_dir = os.path.dirname(__file__) + '/'
create_star_data(self.test_dir+'data')
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=['data'])
def test_read_data(self) -> None:
module = FitsReadingModule(name_in='read',
image_tag='data',
input_dir=self.test_dir+'data',
overwrite=True,
check=True)
self.pipeline.add_module(module)
self.pipeline.run_module('read')
data = self.pipeline.get_data('data')
assert np.sum(data) == pytest.approx(105.54278879805277, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
def test_gaussian_filter(self) -> None:
module = GaussianFilterModule(name_in='filter',
image_in_tag='data',
image_out_tag='filtered',
fwhm=0.1)
self.pipeline.add_module(module)
self.pipeline.run_module('filter')
data = self.pipeline.get_data('filtered')
assert np.sum(data) == pytest.approx(105.54278879805275, rel=self.limit, abs=0.)
assert data.shape == (10, 11, 11)
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