earthengine-api/python/ee/tests/imagecollection_test.py
Max Heinritz 92b1b5ff71 v0.1.53
2015-05-08 13:03:31 -07:00

61 lines
2.1 KiB
Python

#!/usr/bin/env python
"""Test for the ee.imagecollection module."""
import unittest
import ee
from ee import apitestcase
class ImageCollectionTestCase(apitestcase.ApiTestCase):
def testImageCollectionConstructors(self):
"""Verifies that constructors understand valid parameters."""
from_id = ee.ImageCollection('abcd')
self.assertEquals(ee.ApiFunction.lookup('ImageCollection.load'),
from_id.func)
self.assertEquals({'id': 'abcd'}, from_id.args)
from_images = ee.ImageCollection([ee.Image(1), ee.Image(2)])
self.assertEquals(ee.ApiFunction.lookup('ImageCollection.fromImages'),
from_images.func)
self.assertEquals({'images': [ee.Image(1), ee.Image(2)]}, from_images.args)
self.assertEquals(ee.ImageCollection([ee.Image(1)]),
ee.ImageCollection(ee.Image(1)))
original = ee.ImageCollection('foo')
from_other_image_collection = ee.ImageCollection(original)
self.assertEquals(from_other_image_collection, original)
l = ee.List([ee.Image(1)]).slice(0)
from_list = ee.ImageCollection(l)
self.assertEquals({'images': l}, from_list.args)
from_computed_object = ee.ImageCollection(
ee.ComputedObject(None, {'x': 'y'}))
self.assertEquals({'x': 'y'}, from_computed_object.args)
def testImperativeFunctions(self):
"""Verifies that imperative functions return ready values."""
image_collection = ee.ImageCollection(ee.Image(1))
self.assertEquals({'value': 'fakeValue'}, image_collection.getInfo())
self.assertEquals('fakeMapId', image_collection.getMapId()['mapid'])
def testFilter(self):
"""Verifies that filtering an ImageCollection wraps the result."""
collection = ee.ImageCollection(ee.Image(1))
noop_filter = ee.Filter()
filtered = collection.filter(noop_filter)
self.assertTrue(isinstance(filtered, ee.ImageCollection))
self.assertEquals(ee.ApiFunction.lookup('Collection.filter'),
filtered.func)
self.assertEquals({'collection': collection, 'filter': noop_filter},
filtered.args)
if __name__ == '__main__':
unittest.main()