earthengine-api/python/ee/tests/feature_test.py
2020-04-15 12:40:45 -07:00

79 lines
2.5 KiB
Python

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