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

111 lines
3.3 KiB
Python

# Copyright 2016-2020, 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 sys
import os.path
import unittest
from pulumi._utils import is_empty_function, lazy_import
# Function with return value based on input, called in the non_empty function
# bodies below.
def compute(val: int) -> str:
return f"{val} + {1} = {val + 1}"
class Foo:
def empty_a(self) -> str: ... # type: ignore
def empty_b(self) -> str: # type: ignore
"""A docstring."""
...
def empty_c(self, value: str): ...
def non_empty_a(self) -> str:
return "hello"
def non_empty_b(self) -> str:
"""A docstring."""
return "hello"
def non_empty_c(self) -> str:
return compute(41)
def non_empty_d(self) -> str:
"""F's docstring."""
return compute(41)
empty_lambda_a = lambda: None
empty_lambda_b = lambda: None
empty_lambda_b.__doc__ = """A docstring."""
non_empty_lambda_a = lambda: "hello"
non_empty_lambda_b = lambda: "hello"
non_empty_lambda_b.__doc__ = """A docstring."""
non_empty_lambda_c = lambda: compute(41)
non_empty_lambda_d = lambda: compute(41)
non_empty_lambda_d.__doc__ = """A docstring."""
class IsEmptyFunctionTests(unittest.TestCase):
def test_is_empty(self):
f = Foo()
self.assertTrue(is_empty_function(Foo.empty_a))
self.assertTrue(is_empty_function(Foo.empty_b))
self.assertTrue(is_empty_function(Foo.empty_c))
self.assertTrue(is_empty_function(f.empty_a))
self.assertTrue(is_empty_function(f.empty_b))
self.assertTrue(is_empty_function(f.empty_c))
self.assertFalse(is_empty_function(Foo.non_empty_a))
self.assertFalse(is_empty_function(Foo.non_empty_b))
self.assertFalse(is_empty_function(Foo.non_empty_c))
self.assertFalse(is_empty_function(Foo.non_empty_d))
self.assertFalse(is_empty_function(f.non_empty_a))
self.assertFalse(is_empty_function(f.non_empty_b))
self.assertFalse(is_empty_function(f.non_empty_c))
self.assertFalse(is_empty_function(f.non_empty_d))
self.assertTrue(is_empty_function(empty_lambda_a))
self.assertTrue(is_empty_function(empty_lambda_b))
self.assertFalse(is_empty_function(non_empty_lambda_a))
self.assertFalse(is_empty_function(non_empty_lambda_b))
self.assertFalse(is_empty_function(non_empty_lambda_c))
self.assertFalse(is_empty_function(non_empty_lambda_d))
def test_lazy_import():
sys.path.append(os.path.join(os.path.dirname(__file__), "data"))
x = lazy_import("lazy_import_test.x")
y = lazy_import("lazy_import_test.y")
test = lazy_import("lazy_import_test")
assert test.x.foo() == "foo"
assert x.foo() == "foo"
assert id(x) == id(test.x)
assert test.y.foo == "foo"
assert y.foo == "foo"
assert id(y) == id(test.y)