satpy.tests.writer_tests.test_cf module

Tests for the CF writer.

class satpy.tests.writer_tests.test_cf.EncodingUpdateTest(methodName='runTest')

Bases: TestCase

Test update of netCDF encoding.

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 = []

setUp()

Create fake data for testing.

test_dataset_name_digit()

Test data with dataset name staring with a digit.

test_with_time()

Test data with a time dimension.

test_without_time()

Test data with no time dimension.

class satpy.tests.writer_tests.test_cf.TempFile(suffix='.nc')

Bases: object

A temporary filename class.

Initialize.

class satpy.tests.writer_tests.test_cf.TestCFWriter(methodName='runTest')

Bases: TestCase

Test case for CF writer.

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 = []

assertDictWithArraysEqual(d1, d2)

Check that dicts containing arrays are equal.

get_test_attrs()

Create some dataset attributes for testing purpose.

Returns:

Attributes, encoded attributes, encoded and flattened attributes

test_ancillary_variables()

Test ancillary_variables cited each other.

test_area2cf()

Test the conversion of an area to CF standards.

test_area2gridmapping()

Test the conversion from pyresample area object to CF grid mapping.

test_area2lonlat()

Test the conversion from areas to lon/lat.

test_assert_xy_unique()

Test that the x and y coordinates are unique.

test_bounds()

Test setting time bounds.

test_bounds_minimum()

Test minimum bounds.

test_bounds_missing_time_info()

Test time bounds generation in case of missing time.

test_collect_datasets(*mocks)

Test collecting CF datasets from a DataArray objects.

test_da2cf()

Test the conversion of a DataArray to a CF-compatible DataArray.

test_da2cf_one_dimensional_array()

Test the conversion of an 1d DataArray to a CF-compatible DataArray.

test_encode_attrs_nc()

Test attributes encoding.

test_global_attr_default_history_and_Conventions()

Test saving global attributes history and Conventions.

test_global_attr_history_and_Conventions()

Test saving global attributes history and Conventions.

test_groups()

Test creating a file with groups.

test_header_attrs()

Check global attributes are set.

test_init()

Test initializing the CFWriter class.

test_link_coords()

Check that coordinates link has been established correctly.

test_load_module_with_old_pyproj()

Test that cf_writer can still be loaded with pyproj 1.9.6.

test_make_alt_coords_unique()

Test that created coordinate variables are unique.

test_save_array()

Test saving an array to netcdf/cf.

test_save_array_coords()

Test saving array with coordinates.

test_save_dataset_a_digit()

Test saving an array to netcdf/cf where dataset name starting with a digit.

test_save_dataset_a_digit_no_prefix_include_attr()

Test saving an array to netcdf/cf dataset name starting with a digit with no prefix include orig name.

test_save_dataset_a_digit_prefix()

Test saving an array to netcdf/cf where dataset name starting with a digit with prefix.

test_save_dataset_a_digit_prefix_include_attr()

Test saving an array to netcdf/cf where dataset name starting with a digit with prefix include orig name.

test_single_time_value()

Test setting a single time value.

test_time_coordinate_on_a_swath()

Test that time dimension is not added on swath data with time already as a coordinate.

test_unlimited_dims_kwarg()

Test specification of unlimited dimensions.

class satpy.tests.writer_tests.test_cf.TestCFWriterData(methodName='runTest')

Bases: TestCase

Test case for CF writer where data arrays are needed.

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 = []

setUp()

Create some test data.

test_collect_datasets_with_latitude_named_lat(*mocks)

Test collecting CF datasets with latitude named lat.

test_dataset_is_projection_coords()

Test the dataset_is_projection_coords function.

test_has_projection_coords()

Test the has_projection_coords function.

class satpy.tests.writer_tests.test_cf.TestEncodingAttribute

Bases: TestEncodingKwarg

Test CF writer with ‘encoding’ dataset attribute.

scene_with_encoding(scene, encoding)

Create scene with a dataset providing the ‘encoding’ attribute.

test_encoding_attribute(scene_with_encoding, filename, expected)

Test ‘encoding’ dataset attribute.

class satpy.tests.writer_tests.test_cf.TestEncodingKwarg

Bases: object

Test CF writer with ‘encoding’ keyword argument.

_assert_encoding_as_expected(filename, expected)

complevel_exp(compression_on)

Get expected compression level.

compression_on(request)

Get compression options.

encoding(compression_on)

Get encoding.

expected(complevel_exp)

Get expectated file contents.

filename(tmp_path)

Get output filename.

scene()

Create a fake scene.

test_encoding_kwarg(scene, encoding, filename, expected)

Test ‘encoding’ keyword argument.

test_no_warning_if_backends_match(scene, filename, monkeypatch)

Make sure no warning is issued if backends match.

test_warning_if_backends_dont_match(scene, filename, monkeypatch)

Test warning if backends don’t match.

satpy.tests.writer_tests.test_cf._get_compression_params(complevel)

satpy.tests.writer_tests.test_cf._should_use_compression_keyword()

satpy.tests.writer_tests.test_cf.test_da2cf_lonlat()

Test correct da2cf encoding for area with lon/lat units.

satpy.tests.writer_tests.test_cf.test_is_projected(caplog)

Tests for private _is_projected function.

satpy.tests.writer_tests.test_cf.test_lonlat_storage(tmp_path)

Test correct storage for area with lon/lat units.