5cbc979e17
* Fix a few issues with the Python language host 1. Fix an issue where the UNKNOWN sentinel was leaking into user programs 2. Fix an issue where Protobuf types were leaking into user programs In fixing this issues I also added a framework for writing tests against the Python SDK. * License headers, and adopt a more idiomatic testing pattern * Additional idiomatic Python * That's what I get for trying to be fancy (Travis CI python version is very old and does not respect this form) * CR feedback: use more comprehensions, typo fix * Break a circular dependency between resource, runtime.resource, and runtime.rpc * Don't check in .vscode * CR: sort inputs, rename global variable, add a test for CustomResource serialization * Remove accidental code duplication
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# Copyright 2016-2018, Pulumi Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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from google.protobuf import struct_pb2
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from pulumi.runtime import rpc
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class PropertyDeserializeTests(unittest.TestCase):
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"""
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Series of tests that ensures that we correctly deserialize Protobuf
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messages into Python data structures.
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"""
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def test_empty_struct(self):
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"""
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Tests that the empty Struct deserializes to {}.
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"""
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empty = struct_pb2.Struct()
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deserialized = rpc.deserialize_resource_props(empty)
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self.assertDictEqual({}, deserialized)
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def test_struct_with_list_field(self):
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"""
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Tests that we serialize Structs containing Lists to dictionaries
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containing Python lists.
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"""
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proto = struct_pb2.Struct()
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# pylint: disable=no-member
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proto_list = proto.get_or_create_list("foo")
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proto_list.append("42")
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proto_list.append("bar")
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proto_list.append("baz")
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deserialized = rpc.deserialize_resource_props(proto)
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self.assertDictEqual({
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"foo": ["42", "bar", "baz"]
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}, deserialized)
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def test_struct_with_nested_struct(self):
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"""
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Tests that we deserialize nested Structs correctly.
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"""
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proto = struct_pb2.Struct()
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# pylint: disable=no-member
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subproto = proto.get_or_create_struct("bar")
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subproto["baz"] = 42
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deserialized = rpc.deserialize_resource_props(proto)
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self.assertDictEqual({
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"bar": {
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"baz": 42
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}
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}, deserialized)
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def test_unknown_sentinel(self):
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"""
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Tests that we deserialize the UNKNOWN sentinel as None.
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"""
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proto = struct_pb2.Struct()
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# pylint: disable=unsupported-assignment-operation
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proto["vpc_id"] = rpc.UNKNOWN
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deserialized = rpc.deserialize_resource_props(proto)
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self.assertDictEqual({
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"vpc_id": None
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}, deserialized)
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if __name__ == '__main__':
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unittest.main()
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