satpy.tests.reader_tests.test_utils module

Testing of helper functions.

class satpy.tests.reader_tests.test_utils.TestCalibrationCoefficientPicker

Bases: object

Unit tests for calibration coefficient selection.

fixture_coefs()

Get fake coefficients.

test_fallback_to_nominal(coefs, wishlist, caplog)

Test falling back to nominal coefficients.

test_get_coefs(coefs, wishlist, expected)

Test getting calibration coefficients.

test_invalid_wishlist_type()

Test handling of invalid wishlist type.

test_missing_coefs(coefs, wishlist)

Test that an exception is raised when coefficients are missing.

test_no_default_coefs()

Test initialization without default coefficients.

test_no_fallback()

Test initialization without fallback coefficients.

test_unknown_mode(coefs, wishlist)

Test handling of unknown calibration mode.

class satpy.tests.reader_tests.test_utils.TestHelpers(methodName='runTest')

Bases: TestCase

Test the area helpers.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

_classSetupFailed = False

_class_cleanups = []

test_apply_rad_correction()

Test radiance correction technique using user-supplied coefs.

test_generic_open_BZ2File(bz2_mock)

Test the generic_open method with bz2 filename input.

test_generic_open_FSFile_MemoryFileSystem()

Test the generic_open method with FSFile in MemoryFileSystem.

test_generic_open_filename(open_mock)

Test the generic_open method with filename (str).

test_geostationary_mask()

Test geostationary mask.

test_get_earth_radius()

Test earth radius computation.

test_get_geostationary_angle_extent()

Get max geostationary angles.

test_get_geostationary_bbox()

Get the geostationary bbox.

test_get_user_calibration_factors()

Test the retrieval of user-supplied calibration factors.

test_lonlat_from_geos()

Get lonlats from geos.

test_np2str()

Test the np2str function.

test_pro_reading_gets_unzipped_file(fake_unzip_file, fake_remove)

Test the bz2 file unzipping context manager.

test_reduce_mda()

Test metadata size reduction.

test_sub_area(adef)

Sub area slicing.

test_unzip_FSFile(bz2_mock)

Test the FSFile bz2 file unzipping techniques.

test_unzip_file(mock_popen, mock_bz2)

Test the bz2 file unzipping techniques.

class satpy.tests.reader_tests.test_utils.TestSunEarthDistanceCorrection

Bases: object

Tests for applying Sun-Earth distance correction to reflectance.

setup_method()

Create input / output arrays for the tests.

test_apply_sunearth_corr()

Test the correction of reflectances with sun-earth distance.

test_get_utc_time()

Test the retrieval of scene time from a dataset.

test_remove_sunearth_corr()

Test the removal of the sun-earth distance correction.

satpy.tests.reader_tests.test_utils.test_generic_open_binary(tmp_path, data, filename, mode)

Test the bz2 file unzipping context manager using dummy binary data.