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Merge pull request #915 from dcs4cop/pont-914-coverages-scaling
Implement OGC Coverages scaling requirements class
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| import unittest | ||
| from dataclasses import dataclass | ||
|
|
||
| import pyproj | ||
|
|
||
| import xcube.core.new | ||
| from xcube.server.api import ApiError | ||
| from xcube.webapi.ows.coverages.request import CoverageRequest | ||
| from xcube.webapi.ows.coverages.scaling import CoverageScaling | ||
|
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|
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| class ScalingTest(unittest.TestCase): | ||
| def setUp(self): | ||
| self.epsg4326 = pyproj.CRS('EPSG:4326') | ||
| self.ds = xcube.core.new.new_cube() | ||
|
|
||
| def test_default_scaling(self): | ||
| scaling = CoverageScaling(CoverageRequest({}), self.epsg4326, self.ds) | ||
| self.assertEqual((1, 1), scaling.factor) | ||
|
|
||
| def test_no_data(self): | ||
| with self.assertRaises(ApiError.NotFound): | ||
| CoverageScaling( | ||
| CoverageRequest({}), | ||
| self.epsg4326, | ||
| self.ds.isel(lat=slice(0, 0)), | ||
| ) | ||
|
|
||
| def test_crs_no_valid_axis(self): | ||
| @dataclass | ||
| class CrsMock: | ||
| axis_info = [object()] | ||
|
|
||
| # noinspection PyTypeChecker | ||
| self.assertIsNone( | ||
| CoverageScaling( | ||
| CoverageRequest({}), CrsMock(), self.ds | ||
| ).get_axis_from_crs(set()) | ||
| ) | ||
|
|
||
| def test_scale_factor(self): | ||
| scaling = CoverageScaling( | ||
| CoverageRequest({'scale-factor': ['2']}), self.epsg4326, self.ds | ||
| ) | ||
| self.assertEqual((2, 2), scaling.factor) | ||
| self.assertEqual((180, 90), scaling.size) | ||
|
|
||
| def test_scale_axes(self): | ||
| scaling = CoverageScaling( | ||
| CoverageRequest({'scale-axes': ['Lat(3),Lon(1.2)']}), | ||
| self.epsg4326, | ||
| self.ds, | ||
| ) | ||
| self.assertEqual((1.2, 3), scaling.factor) | ||
| self.assertEqual((300, 60), scaling.size) | ||
|
|
||
| def test_scale_size(self): | ||
| scaling = CoverageScaling( | ||
| CoverageRequest({'scale-size': ['Lat(90),Lon(240)']}), | ||
| self.epsg4326, | ||
| self.ds, | ||
| ) | ||
| self.assertEqual((240, 90), scaling.size) | ||
| self.assertEqual((1.5, 2), scaling.factor) | ||
|
|
||
| def test_apply_identity_scaling(self): | ||
| # noinspection PyTypeChecker | ||
| self.assertEqual( | ||
| gm_mock := object(), | ||
| CoverageScaling( | ||
| CoverageRequest({'scale-factor': ['1']}), | ||
| self.epsg4326, | ||
| self.ds, | ||
| ).apply(gm_mock), | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| import unittest | ||
| import xcube.core.new | ||
| import xcube.webapi.ows.coverages.util as util | ||
|
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| class UtilTest(unittest.TestCase): | ||
|
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| def setUp(self): | ||
| self.ds_latlon = xcube.core.new.new_cube() | ||
| self.ds_xy = xcube.core.new.new_cube(x_name='x', y_name='y') | ||
|
|
||
| def test_get_h_dim(self): | ||
| self.assertEqual('lon', util.get_h_dim(self.ds_latlon)) | ||
| self.assertEqual('x', util.get_h_dim(self.ds_xy)) | ||
|
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| def test_get_v_dim(self): | ||
| self.assertEqual('lat', util.get_v_dim(self.ds_latlon)) | ||
| self.assertEqual('y', util.get_v_dim(self.ds_xy)) |
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