Source code for satpy.tests.enhancement_tests.test_abi

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2019 Satpy developers
# This file is part of satpy.
# satpy is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
# satpy is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with
# satpy.  If not, see <>.
"""Unit testing for the ABI enhancement functions."""

import unittest

import dask.array as da
import numpy as np
import xarray as xr

[docs] class TestABIEnhancement(unittest.TestCase): """Test the ABI enhancement functions."""
[docs] def setUp(self): """Create fake data for the tests.""" data = da.linspace(0, 1, 16).reshape((4, 4)) self.da = xr.DataArray(data, dims=("y", "x"), attrs={"test": "test"})
[docs] def test_cimss_true_color_contrast(self): """Test the cimss_true_color_contrast enhancement.""" from trollimage.xrimage import XRImage from satpy.enhancements.abi import cimss_true_color_contrast expected = np.array([[ [0., 0., 0.05261956, 0.13396146], [0.21530335, 0.29664525, 0.37798715, 0.45932905], [0.54067095, 0.62201285, 0.70335475, 0.78469665], [0.86603854, 0.94738044, 1., 1.], ]]) img = XRImage(self.da) cimss_true_color_contrast(img) np.testing.assert_almost_equal(, expected)