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102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
"""Test for the ee.image 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 ImageTestCase(apitestcase.ApiTestCase):
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def testConstructors(self):
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"""Verifies that constructors understand valid parameters."""
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from_constant = ee.Image(1)
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self.assertEquals(ee.ApiFunction.lookup('Image.constant'),
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from_constant.func)
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self.assertEquals({'value': 1}, from_constant.args)
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from_id = ee.Image('abcd')
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self.assertEquals(ee.ApiFunction.lookup('Image.load'), from_id.func)
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self.assertEquals({'id': 'abcd'}, from_id.args)
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from_array = ee.Image([1, 2])
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self.assertEquals(ee.ApiFunction.lookup('Image.addBands'), from_array.func)
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self.assertEquals({'dstImg': ee.Image(1), 'srcImg': ee.Image(2)},
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from_array.args)
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from_computed_object = ee.Image(ee.ComputedObject(None, {'x': 'y'}))
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self.assertEquals({'x': 'y'}, from_computed_object.args)
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original = ee.Image(1)
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from_other_image = ee.Image(original)
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self.assertEquals(from_other_image, original)
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from_nothing = ee.Image()
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self.assertEquals(ee.ApiFunction.lookup('Image.mask'), from_nothing.func)
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self.assertEquals({'image': ee.Image(0), 'mask': ee.Image(0)},
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from_nothing.args)
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from_id_and_version = ee.Image('abcd', 123)
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self.assertEquals(ee.ApiFunction.lookup('Image.load'),
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from_id_and_version.func)
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self.assertEquals({'id': 'abcd', 'version': 123},
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from_id_and_version.args)
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def testImageSignatures(self):
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"""Verifies that the API functions are added to ee.Image."""
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self.assertTrue(hasattr(ee.Image(1), 'addBands'))
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def testImperativeFunctions(self):
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"""Verifies that imperative functions return ready values."""
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image = ee.Image(1)
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self.assertEquals({'value': 'fakeValue'}, image.getInfo())
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self.assertEquals({'mapid': 'fakeMapId', 'image': image}, image.getMapId())
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def testCombine(self):
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"""Verifies the behavior of ee.Image.combine_()."""
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image1 = ee.Image([1, 2])
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image2 = ee.Image([3, 4])
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combined = ee.Image.combine_([image1, image2], ['a', 'b', 'c', 'd'])
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self.assertEquals(ee.ApiFunction.lookup('Image.select'), combined.func)
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self.assertEquals(['.*'], combined.args['bandSelectors'])
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self.assertEquals(['a', 'b', 'c', 'd'], combined.args['newNames'])
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self.assertEquals(ee.ApiFunction.lookup('Image.addBands'),
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combined.args['input'].func)
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self.assertEquals({'dstImg': image1, 'srcImg': image2},
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combined.args['input'].args)
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def testDownload(self):
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"""Verifies Download ID and URL generation."""
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url = ee.Image(1).getDownloadUrl()
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self.assertEquals('/download', self.last_download_call['url'])
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self.assertEquals(
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{
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'image': ee.Image(1).serialize(),
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'json_format': 'v2'
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},
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self.last_download_call['data'])
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self.assertEquals('/api/download?docid=1&token=2', url)
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def testThumb(self):
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"""Verifies Thumbnail ID and URL generation."""
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url = ee.Image(1).getThumbUrl({'size': [13, 42]})
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self.assertEquals('/thumb', self.last_thumb_call['url'])
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self.assertEquals(
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{
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'image': ee.Image(1).serialize(),
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'json_format': 'v2',
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'size': '13x42',
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'getid': '1'
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},
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self.last_thumb_call['data'])
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self.assertEquals('/api/thumb?thumbid=3&token=4', url)
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if __name__ == '__main__':
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unittest.main()
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