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96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
#!/usr/bin/env python
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"""Test for the ee.imagecollection module."""
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import mock
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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 ImageCollectionTestCase(apitestcase.ApiTestCase):
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def testImageCollectionConstructors(self):
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"""Verifies that constructors understand valid parameters."""
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from_id = ee.ImageCollection('abcd')
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self.assertEqual(
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ee.ApiFunction.lookup('ImageCollection.load'), from_id.func)
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self.assertEqual({'id': 'abcd'}, from_id.args)
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from_images = ee.ImageCollection([ee.Image(1), ee.Image(2)])
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self.assertEqual(
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ee.ApiFunction.lookup('ImageCollection.fromImages'), from_images.func)
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self.assertEqual({'images': [ee.Image(1), ee.Image(2)]}, from_images.args)
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self.assertEqual(
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ee.ImageCollection([ee.Image(1)]), ee.ImageCollection(ee.Image(1)))
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original = ee.ImageCollection('foo')
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from_other_image_collection = ee.ImageCollection(original)
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self.assertEqual(from_other_image_collection, original)
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l = ee.List([ee.Image(1)]).slice(0)
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from_list = ee.ImageCollection(l)
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self.assertEqual({'images': l}, from_list.args)
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from_computed_object = ee.ImageCollection(
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ee.ComputedObject(None, {'x': 'y'}))
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self.assertEqual({'x': 'y'}, from_computed_object.args)
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def testImperativeFunctions(self):
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"""Verifies that imperative functions return ready values."""
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image_collection = ee.ImageCollection(ee.Image(1))
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self.assertEqual({'value': 'fakeValue'}, image_collection.getInfo())
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self.assertEqual('fakeMapId', image_collection.getMapId()['mapid'])
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def testFilter(self):
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"""Verifies that filtering an ImageCollection wraps the result."""
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collection = ee.ImageCollection(ee.Image(1))
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noop_filter = ee.Filter()
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filtered = collection.filter(noop_filter)
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self.assertIsInstance(filtered, ee.ImageCollection)
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self.assertEqual(ee.ApiFunction.lookup('Collection.filter'), filtered.func)
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self.assertEqual({
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'collection': collection,
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'filter': noop_filter
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}, filtered.args)
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def testFirst(self):
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"""Verifies that first gets promoted properly."""
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first = ee.ImageCollection(ee.Image(1)).first()
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self.assertIsInstance(first, ee.Image)
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self.assertEqual(ee.ApiFunction.lookup('Collection.first'), first.func)
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def testPrepareForExport(self):
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"""Verifies proper handling of export-related parameters."""
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with apitestcase.UsingCloudApi():
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base_collection = ee.ImageCollection(ee.Image(1))
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collection, params = base_collection.prepare_for_export(
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{'something': 'else'})
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self.assertEqual(base_collection, collection)
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self.assertEqual({'something': 'else'}, params)
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collection, params = base_collection.prepare_for_export({
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'crs': 'ABCD',
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'crs_transform': '1,2,3,4,5,6'
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})
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# Need to do a serialized comparison for the collection because
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# custom functions don't implement equality comparison.
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def expected_preparation_function(img):
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return img.reproject(
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crs='ABCD', crsTransform=[1.0, 2.0, 3.0, 4.0, 5.0, 6.0])
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expected_collection = base_collection.map(expected_preparation_function)
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self.assertEqual(
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expected_collection.serialize(for_cloud_api=True),
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collection.serialize(for_cloud_api=True))
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self.assertEqual({}, params)
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if __name__ == '__main__':
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unittest.main()
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