apprise/test/test_apprise_helpers.py

128 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
# BSD 2-Clause License
#
# Apprise - Push Notification Library.
# Copyright (c) 2024, Chris Caron <lead2gold@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import os
import sys
import helpers
# Disable logging for a cleaner testing output
import logging
logging.disable(logging.CRITICAL)
# Ensure we don't create .pyc files for these tests
sys.dont_write_bytecode = True
def test_environ_temporary_change():
"""helpers: environ() testing
"""
# This is a helper function; but it does enough that we want to verify
# our usage of it works correctly; yes... we're testing a test
e_key1 = 'APPRISE_TEMP1'
e_key2 = 'APPRISE_TEMP2'
e_key3 = 'APPRISE_TEMP3'
e_val1 = 'ABCD'
e_val2 = 'DEFG'
e_val3 = 'HIJK'
os.environ[e_key1] = e_val1
os.environ[e_key2] = e_val2
os.environ[e_key3] = e_val3
# Ensure our environment variable stuck
assert e_key1 in os.environ
assert e_val1 in os.environ[e_key1]
assert e_key2 in os.environ
assert e_val2 in os.environ[e_key2]
assert e_key3 in os.environ
assert e_val3 in os.environ[e_key3]
with helpers.environ(e_key1, e_key3):
# Eliminates Environment Variable 1 and 3
assert e_key1 not in os.environ
assert e_key2 in os.environ
assert e_val2 in os.environ[e_key2]
assert e_key3 not in os.environ
# after with is over, environment is restored to normal
assert e_key1 in os.environ
assert e_val1 in os.environ[e_key1]
assert e_key2 in os.environ
assert e_val2 in os.environ[e_key2]
assert e_key3 in os.environ
assert e_val3 in os.environ[e_key3]
d_key = 'APPRISE_NOT_SET'
n_key = 'APPRISE_NEW_KEY'
n_val = 'NEW_VAL'
# Verify that our temporary variables (defined above) are not pre-existing
# environemnt variables as we'll be setting them below
assert n_key not in os.environ
assert d_key not in os.environ
# makes it easier to pass in the arguments
updates = {
e_key1: e_val3,
e_key2: e_val1,
n_key: n_val,
}
with helpers.environ(d_key, e_key3, **updates):
# Attempt to eliminate an undefined key (silently ignored)
# Eliminates Environment Variable 3
# Environment Variable 1 takes on the value of Env 3
# Environment Variable 2 takes on the value of Env 1
# Set a brand new variable that previously didn't exist
assert e_key1 in os.environ
assert e_val3 in os.environ[e_key1]
assert e_key2 in os.environ
assert e_val1 in os.environ[e_key2]
assert e_key3 not in os.environ
# Can't delete a variable that doesn't exist; so we're in the same
# state here.
assert d_key not in os.environ
# Our temporary variables will be found now
assert n_key in os.environ
assert n_val in os.environ[n_key]
# after with is over, environment is restored to normal
assert e_key1 in os.environ
assert e_val1 in os.environ[e_key1]
assert e_key2 in os.environ
assert e_val2 in os.environ[e_key2]
assert e_key3 in os.environ
assert e_val3 in os.environ[e_key3]
# Even our temporary variables are now missing
assert n_key not in os.environ
assert d_key not in os.environ