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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=0.0
)
assert data.shape == (10, 11, 11)
data = self.pipeline.get_data("data2")
assert np.sum(data) == pytest.approx(
105.54278879805277, rel=self.limit, abs=0.0
)
assert data.shape == (10, 11, 11)
data = self.pipeline.get_data("data3")
assert np.sum(data) == pytest.approx(
105.54278879805277, rel=self.limit, abs=0.0
)
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=1.0,
)
self.pipeline.add_module(module)
self.pipeline.run_module("subtract")
data = self.pipeline.get_data("subtract")
assert np.sum(data) == pytest.approx(0.0, rel=self.limit, abs=0.0)
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=1.0,
)
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=0.0
)
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=10.0
)
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=0.0
)
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=0.0)
assert data1 == pytest.approx(data2[10:20,], rel=self.limit, abs=0.0)
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