442 lines
16 KiB
Python
442 lines
16 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 asyncio
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import unittest
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from google.protobuf import struct_pb2
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from pulumi.resource import CustomResource
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from pulumi.runtime import rpc, known_types, settings
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from pulumi.output import Output, UNKNOWN
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from pulumi.asset import (
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FileAsset,
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RemoteAsset,
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StringAsset,
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AssetArchive,
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FileArchive,
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RemoteArchive
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)
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class FakeCustomResource:
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"""
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Fake CustomResource class that duck-types to the real CustomResource.
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This class is substituted for the real CustomResource for the below test.
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"""
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def __init__(self, id):
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self.id = id
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def async_test(coro):
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def wrapper(*args, **kwargs):
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loop = asyncio.new_event_loop()
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loop.run_until_complete(coro(*args, **kwargs))
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loop.close()
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return wrapper
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class NextSerializationTests(unittest.TestCase):
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def setUp(self):
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known_types._custom_resource_type = FakeCustomResource
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def tearDown(self):
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known_types._custom_resource_type = CustomResource
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@async_test
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async def test_list(self):
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test_list = [1, 2, 3]
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props = await rpc.serialize_property(test_list, [])
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self.assertEqual(test_list, props)
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@async_test
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async def test_future(self):
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fut = asyncio.Future()
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fut.set_result(42)
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prop = await rpc.serialize_property(fut, [])
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self.assertEqual(42, prop)
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@async_test
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async def test_coro(self):
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async def fun():
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await asyncio.sleep(0.1)
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return 42
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prop = await rpc.serialize_property(fun(), [])
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self.assertEqual(42, prop)
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@async_test
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async def test_dict(self):
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fut = asyncio.Future()
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fut.set_result(99)
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test_dict = {"a": 42, "b": fut}
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prop = await rpc.serialize_property(test_dict, [])
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self.assertDictEqual({"a": 42, "b": 99}, prop)
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@async_test
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async def test_custom_resource(self):
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res = FakeCustomResource("some-id")
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deps = []
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prop = await rpc.serialize_property(res, deps)
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self.assertListEqual([res], deps)
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self.assertEqual("some-id", prop)
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@async_test
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async def test_string_asset(self):
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asset = StringAsset("Python 3 is cool")
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prop = await rpc.serialize_property(asset, [])
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self.assertEqual(rpc._special_asset_sig, prop[rpc._special_sig_key])
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self.assertEqual("Python 3 is cool", prop["text"])
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@async_test
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async def test_file_asset(self):
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asset = FileAsset("hello.txt")
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prop = await rpc.serialize_property(asset, [])
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self.assertEqual(rpc._special_asset_sig, prop[rpc._special_sig_key])
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self.assertEqual("hello.txt", prop["path"])
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@async_test
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async def test_remote_asset(self):
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asset = RemoteAsset("https://pulumi.com")
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prop = await rpc.serialize_property(asset, [])
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self.assertEqual(rpc._special_asset_sig, prop[rpc._special_sig_key])
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self.assertEqual("https://pulumi.com", prop["uri"])
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@async_test
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async def test_output(self):
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existing = FakeCustomResource("existing-dependency")
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res = FakeCustomResource("some-dependency")
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fut = asyncio.Future()
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fut.set_result(42)
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output({res}, fut, known_fut)
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deps = [existing]
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prop = await rpc.serialize_property(out, deps)
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self.assertListEqual(deps, [existing, res])
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self.assertEqual(42, prop)
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known_fut = asyncio.Future()
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known_fut.set_result(False)
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out = Output(set(), fut, known_fut)
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# For compatibility, future() should still return 42 even if the value is unknown.
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prop = await out.future()
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self.assertEqual(42, prop)
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fut = asyncio.Future()
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fut.set_result(UNKNOWN)
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output(set(), fut, known_fut)
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# For compatibility, is_known() should return False and future() should return None when the value contains
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# first-class unknowns.
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self.assertEqual(False, await out.is_known())
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self.assertEqual(None, await out.future())
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# If the caller of future() explicitly accepts first-class unknowns, they should be present in the result.
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self.assertEqual(UNKNOWN, await out.future(with_unknowns=True))
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@async_test
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async def test_output_all(self):
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res = FakeCustomResource("some-resource")
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fut = asyncio.Future()
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fut.set_result(42)
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output({res}, fut, known_fut)
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other = Output.from_input(99)
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combined = Output.all(out, other)
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deps = []
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prop = await rpc.serialize_property(combined, deps)
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self.assertListEqual(deps, [res])
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self.assertEqual([42, 99], prop)
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@async_test
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async def test_output_all_composes_dependencies(self):
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res = FakeCustomResource("some-resource")
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fut = asyncio.Future()
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fut.set_result(42)
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output({res}, fut, known_fut)
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other = FakeCustomResource("some-other-resource")
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other_fut = asyncio.Future()
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other_fut.set_result(99)
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other_known_fut = asyncio.Future()
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other_known_fut.set_result(True)
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other_out = Output({other}, other_fut, other_known_fut)
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combined = Output.all(out, other_out)
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deps = []
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prop = await rpc.serialize_property(combined, deps)
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self.assertSetEqual(set(deps), {res, other})
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self.assertEqual([42, 99], prop)
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@async_test
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async def test_output_all_known_if_all_are_known(self):
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res = FakeCustomResource("some-resource")
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fut = asyncio.Future()
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fut.set_result(42)
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output({res}, fut, known_fut)
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other = FakeCustomResource("some-other-resource")
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other_fut = asyncio.Future()
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other_fut.set_result(UNKNOWN) # <- not known
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other_known_fut = asyncio.Future()
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other_known_fut.set_result(False)
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other_out = Output({other}, other_fut, other_known_fut)
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combined = Output.all(out, other_out)
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deps = []
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prop = await rpc.serialize_property(combined, deps)
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self.assertSetEqual(set(deps), {res, other})
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# The contents of the list are unknown if any of the Outputs used to
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# create it were unknown.
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self.assertEqual(rpc.UNKNOWN, prop)
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@async_test
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async def test_unknown_output(self):
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res = FakeCustomResource("some-dependency")
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fut = asyncio.Future()
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fut.set_result(None)
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known_fut = asyncio.Future()
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known_fut.set_result(False)
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out = Output({res}, fut, known_fut)
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deps = []
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prop = await rpc.serialize_property(out, deps)
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self.assertListEqual(deps, [res])
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self.assertEqual(rpc.UNKNOWN, prop)
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@async_test
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async def test_asset_archive(self):
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archive = AssetArchive({
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"foo": StringAsset("bar")
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})
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deps = []
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prop = await rpc.serialize_property(archive, deps)
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self.assertDictEqual({
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rpc._special_sig_key: rpc._special_archive_sig,
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"assets": {
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"foo": {
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rpc._special_sig_key: rpc._special_asset_sig,
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"text": "bar"
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}
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}
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}, prop)
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@async_test
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async def test_remote_archive(self):
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asset = RemoteArchive("https://pulumi.com")
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prop = await rpc.serialize_property(asset, [])
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self.assertEqual(rpc._special_archive_sig, prop[rpc._special_sig_key])
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self.assertEqual("https://pulumi.com", prop["uri"])
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@async_test
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async def test_file_archive(self):
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asset = FileArchive("foo.tar.gz")
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prop = await rpc.serialize_property(asset, [])
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self.assertEqual(rpc._special_archive_sig, prop[rpc._special_sig_key])
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self.assertEqual("foo.tar.gz", prop["path"])
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@async_test
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async def test_bad_inputs(self):
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class MyClass:
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def __init__(self):
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self.prop = "oh no!"
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error = None
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try:
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prop = await rpc.serialize_property(MyClass(), [])
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except ValueError as err:
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error = err
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self.assertIsNotNone(error)
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self.assertEqual("unexpected input of type MyClass", str(error))
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@async_test
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async def test_distinguished_unknown_output(self):
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fut = asyncio.Future()
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fut.set_result(UNKNOWN)
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output(set(), fut, known_fut)
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self.assertFalse(await out.is_known())
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fut = asyncio.Future()
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fut.set_result(["foo", UNKNOWN])
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out = Output(set(), fut, known_fut)
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self.assertFalse(await out.is_known())
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fut = asyncio.Future()
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fut.set_result({"foo": "foo", "bar": UNKNOWN})
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out = Output(set(), fut, known_fut)
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self.assertFalse(await out.is_known())
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@async_test
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async def test_apply_unknown_output(self):
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fut = asyncio.Future()
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fut.set_result("foo")
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known_fut = asyncio.Future()
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known_fut.set_result(True)
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out = Output(set(), fut, known_fut)
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r1 = out.apply(lambda v: UNKNOWN)
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r2 = out.apply(lambda v: [v, UNKNOWN])
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r3 = out.apply(lambda v: {"v": v, "unknown": UNKNOWN})
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r4 = out.apply(lambda v: UNKNOWN).apply(lambda v: v, True)
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r5 = out.apply(lambda v: [v, UNKNOWN]).apply(lambda v: v, True)
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r6 = out.apply(lambda v: {"v": v, "unknown": UNKNOWN}).apply(lambda v: v, True)
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self.assertFalse(await r1.is_known())
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self.assertFalse(await r2.is_known())
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self.assertFalse(await r3.is_known())
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self.assertFalse(await r4.is_known())
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self.assertFalse(await r5.is_known())
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self.assertFalse(await r6.is_known())
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@async_test
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async def test_lifted_unknown(self):
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settings.SETTINGS.dry_run = True
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fut = asyncio.Future()
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fut.set_result(UNKNOWN)
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out = Output.from_input({ "foo": "foo", "bar": UNKNOWN, "baz": fut})
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self.assertFalse(await out.is_known())
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r1 = out["foo"]
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self.assertTrue(await r1.is_known())
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self.assertEqual(await r1.future(with_unknowns=True), "foo")
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r2 = out["bar"]
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self.assertFalse(await r2.is_known())
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self.assertEqual(await r2.future(with_unknowns=True), UNKNOWN)
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r3 = out["baz"]
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self.assertFalse(await r3.is_known())
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self.assertEqual(await r3.future(with_unknowns=True), UNKNOWN)
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r4 = out["baz"]["qux"]
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self.assertFalse(await r4.is_known())
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self.assertEqual(await r4.future(with_unknowns=True), UNKNOWN)
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out = Output.from_input([ "foo", UNKNOWN ])
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r5 = out[0]
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self.assertTrue(await r5.is_known())
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self.assertEqual(await r5.future(with_unknowns=True), "foo")
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r6 = out[1]
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self.assertFalse(await r6.is_known())
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self.assertEqual(await r6.future(with_unknowns=True), UNKNOWN)
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out = Output.all(Output.from_input("foo"), Output.from_input(UNKNOWN),
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Output.from_input([ Output.from_input(UNKNOWN), Output.from_input("bar") ]))
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self.assertFalse(await out.is_known())
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r7 = out[0]
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self.assertTrue(await r7.is_known())
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self.assertEqual(await r7.future(with_unknowns=True), "foo")
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r8 = out[1]
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self.assertFalse(await r8.is_known())
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self.assertEqual(await r8.future(with_unknowns=True), UNKNOWN)
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r9 = out[2]
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self.assertFalse(await r9.is_known())
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r10 = r9[0]
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self.assertFalse(await r10.is_known())
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self.assertEqual(await r10.future(with_unknowns=True), UNKNOWN)
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r11 = r9[1]
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self.assertTrue(await r11.is_known())
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self.assertEqual(await r11.future(with_unknowns=True), "bar")
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@async_test
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async def test_output_coros(self):
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# Ensure that Outputs function properly when the input value and is_known are coroutines. If the implementation
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# is not careful to wrap these coroutines in Futures, they will be awaited more than once and the runtime will
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# throw.
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async def value():
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await asyncio.sleep(0)
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return 42
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async def is_known():
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await asyncio.sleep(0)
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return True
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out = Output(set(), value(), is_known())
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self.assertTrue(await out.is_known())
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self.assertEqual(42, await out.future())
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self.assertEqual(42, await out.apply(lambda v: v).future())
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class DeserializationTests(unittest.TestCase):
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def test_unsupported_sig(self):
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struct = struct_pb2.Struct()
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struct[rpc._special_sig_key] = "foobar"
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error = None
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try:
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rpc.deserialize_property(struct)
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except AssertionError as err:
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error = err
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self.assertIsNotNone(error)
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def test_secret_push_up(self):
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secret_value = {rpc._special_sig_key: rpc._special_secret_sig, "value": "a secret value" }
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all_props = struct_pb2.Struct()
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all_props["regular"] = "a normal value"
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all_props["list"] = ["a normal value", "another value", secret_value]
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all_props["map"] = {"regular": "a normal value", "secret": secret_value}
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all_props["mapWithList"] = {"regular": "a normal value", "list": ["a normal value", secret_value]}
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all_props["listWithMap"] = [{"regular": "a normal value", "secret": secret_value}]
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val = rpc.deserialize_properties(all_props)
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self.assertEqual(all_props["regular"], val["regular"])
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self.assertIsInstance(val["list"], dict)
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self.assertEqual(val["list"][rpc._special_sig_key], rpc._special_secret_sig)
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self.assertEqual(val["list"]["value"][0], "a normal value")
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self.assertEqual(val["list"]["value"][1], "another value")
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self.assertEqual(val["list"]["value"][2], "a secret value")
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self.assertIsInstance(val["map"], dict)
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self.assertEqual(val["map"][rpc._special_sig_key], rpc._special_secret_sig)
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self.assertEqual(val["map"]["value"]["regular"], "a normal value")
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self.assertEqual(val["map"]["value"]["secret"], "a secret value")
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self.assertIsInstance(val["mapWithList"], dict)
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self.assertEqual(val["mapWithList"][rpc._special_sig_key], rpc._special_secret_sig)
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self.assertEqual(val["mapWithList"]["value"]["regular"], "a normal value")
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self.assertEqual(val["mapWithList"]["value"]["list"][0], "a normal value")
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self.assertEqual(val["mapWithList"]["value"]["list"][1], "a secret value")
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self.assertIsInstance(val["listWithMap"], dict)
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self.assertEqual(val["listWithMap"][rpc._special_sig_key], rpc._special_secret_sig)
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self.assertEqual(val["listWithMap"]["value"][0]["regular"], "a normal value")
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self.assertEqual(val["listWithMap"]["value"][0]["secret"], "a secret value")
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