earthengine-api/python/ee/tests/deserializer_test.py
2020-08-19 18:13:41 -07:00

68 lines
2.5 KiB
Python

#!/usr/bin/env python
"""Tests for the ee.deserializer module."""
import json
import unittest
import ee
from ee import apitestcase
from ee import deserializer
from ee import serializer
class DeserializerTest(apitestcase.ApiTestCase):
def testLegacyRoundTrip(self):
"""Verifies a round trip of a comprehensive serialization case."""
encoded = apitestcase.ENCODED_JSON_SAMPLE
decoded = deserializer.decode(encoded)
re_encoded = json.loads(serializer.toJSON(decoded, for_cloud_api=False))
self.assertEqual(encoded, re_encoded)
# Round-trip the decoded object through the Cloud API
cloud_encoded = json.loads(serializer.toJSON(decoded, for_cloud_api=True))
cloud_decoded = deserializer.decode(cloud_encoded) # Supports both formats
cloud_re_encoded = json.loads(
serializer.toJSON(cloud_decoded, for_cloud_api=True))
self.assertEqual(cloud_encoded, cloud_re_encoded)
def testCloudRoundTrip(self):
"""Verifies a round trip of a comprehensive serialization case."""
cloud_encoded = apitestcase.ENCODED_CLOUD_API_JSON_SAMPLE
cloud_decoded = deserializer.decode(cloud_encoded) # Supports both formats
cloud_re_encoded = json.loads(
serializer.toJSON(cloud_decoded, for_cloud_api=True))
self.assertEqual(cloud_encoded, cloud_re_encoded)
# Round-trip the decoded object through the legacy API
encoded = json.loads(serializer.toJSON(cloud_decoded, for_cloud_api=False))
decoded = deserializer.decode(encoded)
re_encoded = json.loads(serializer.toJSON(decoded, for_cloud_api=False))
self.assertEqual(encoded, re_encoded)
def testCast(self):
"""Verifies that decoding casts the result to the right class."""
input_image = ee.Image(13).addBands(42)
output = deserializer.fromJSON(serializer.toJSON(input_image))
self.assertIsInstance(output, ee.Image)
cloud_output = deserializer.fromCloudApiJSON(
serializer.toJSON(input_image, for_cloud_api=True))
self.assertIsInstance(cloud_output, ee.Image)
def testReuse(self):
"""Verifies that decoding results can be used and re-encoded."""
input_image = ee.Image(13)
output = deserializer.fromJSON(serializer.toJSON(input_image))
self.assertEqual(
output.addBands(42).serialize(),
input_image.addBands(42).serialize())
cloud_output = deserializer.fromCloudApiJSON(
serializer.toJSON(input_image, for_cloud_api=True))
self.assertEqual(
cloud_output.addBands(42).serialize(),
input_image.addBands(42).serialize())
if __name__ == '__main__':
unittest.main()