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69 lines
2.6 KiB
Python
69 lines
2.6 KiB
Python
#!/usr/bin/env python
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"""Test for the ee.feature module."""
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import unittest
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import ee
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from ee import apitestcase
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class FeatureTest(apitestcase.ApiTestCase):
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def testConstructors(self):
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"""Verifies that constructors understand valid parameters."""
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point = ee.Geometry.Point(1, 2)
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from_geometry = ee.Feature(point)
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self.assertEquals(ee.ApiFunction('Feature'), from_geometry.func)
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self.assertEquals({'geometry': point, 'metadata': None}, from_geometry.args)
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from_null_geometry = ee.Feature(None, {'x': 2})
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self.assertEquals(ee.ApiFunction('Feature'), from_null_geometry.func)
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self.assertEquals({'geometry': None, 'metadata': {'x': 2}},
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from_null_geometry.args)
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computed_geometry = ee.Geometry(ee.ComputedObject(ee.Function(), {'a': 1}))
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computed_properties = ee.ComputedObject(ee.Function(), {'b': 2})
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from_computed_one = ee.Feature(computed_geometry)
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from_computed_both = ee.Feature(computed_geometry, computed_properties)
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self.assertEquals(ee.ApiFunction('Feature'), from_computed_one.func)
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self.assertEquals({'geometry': computed_geometry,
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'metadata': None},
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from_computed_one.args)
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self.assertEquals(ee.ApiFunction('Feature'), from_computed_both.func)
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self.assertEquals({'geometry': computed_geometry,
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'metadata': computed_properties},
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from_computed_both.args)
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from_variable = ee.Feature(ee.CustomFunction.variable(None, 'foo'))
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self.assertTrue(isinstance(from_variable, ee.Feature))
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self.assertEquals({'type': 'ArgumentRef', 'value': 'foo'},
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from_variable.encode(None))
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from_geo_json_feature = ee.Feature({
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'type': 'Feature',
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'id': 'bar',
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'geometry': point.toGeoJSON(),
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'properties': {'foo': 42}
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})
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self.assertEquals(ee.ApiFunction('Feature'), from_geo_json_feature.func)
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self.assertEquals(point, from_geo_json_feature.args['geometry'])
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self.assertEquals({'foo': 42, 'system:index': 'bar'},
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from_geo_json_feature.args['metadata'])
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def testGetMap(self):
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"""Verifies that getMap() uses Collection.draw to rasterize Features."""
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feature = ee.Feature(None)
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mapid = feature.getMapId({'color': 'ABCDEF'})
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manual = ee.ApiFunction.apply_('Collection.draw', {
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'collection': ee.FeatureCollection([feature]),
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'color': 'ABCDEF'})
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self.assertEquals('fakeMapId', mapid['mapid'])
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self.assertEquals(manual.serialize(), mapid['image'].serialize())
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if __name__ == '__main__':
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unittest.main()
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