pulumi/sdk/python/lib/test/test_test_mode.py

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# Copyright 2016-2018, Pulumi Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import asyncio
import unittest
from pulumi import Output
from pulumi.errors import RunError
from pulumi.resource import CustomResource
from pulumi.runtime.settings import _set_project, _set_stack, _set_test_mode_enabled, get_project, get_stack
class FakeResource(CustomResource):
x: Output[float]
def __init__(__self__, name, x=None):
__props__ = dict()
__props__['x'] = x
super(FakeResource, __self__).__init__('python:test:FakeResource', name, __props__, None)
def async_test(coro):
def wrapper(*args, **kwargs):
loop = asyncio.new_event_loop()
loop.run_until_complete(coro(*args, **kwargs))
loop.close()
return wrapper
class TestModeTests(unittest.TestCase):
def test_reject_non_test_resource(self):
self.assertRaises(RunError, lambda: FakeResource("fake"))
def test_reject_non_test_project(self):
self.assertRaises(RunError, lambda: get_project())
def test_reject_non_test_stack(self):
self.assertRaises(RunError, lambda: get_stack())
@async_test
async def test_test_mode_values(self):
# Swap in temporary values.
_set_test_mode_enabled(True)
test_project = "TestProject"
_set_project(test_project)
test_stack = "TestStack"
_set_stack(test_stack)
try:
# Now access the settings -- in test mode, this will work.
p = get_project()
self.assertEqual(test_project, p)
s = get_stack()
self.assertEqual(test_stack, s)
# Allocate a resource and make sure its output property is set as expected.
x_fut = asyncio.Future()
res = FakeResource("fake", x=42)
res.x.apply(lambda x: x_fut.set_result(x))
x_val = await x_fut
self.assertEqual(42, x_val)
finally:
# Reset global state back to its previous settings.
_set_test_mode_enabled(False)
_set_project(None)
_set_stack(None)