#!/usr/bin/env python

# coding: utf-8

"""

This module contains various configuration for the tests.

Some tests are skipped when run on a CI server because they are not

reproducible, see #243 (https://github.com/hardbyte/python-can/issues/243).

"""

import platform

from os import environ as environment

def env(name): # type: bool

return environment.get(name, "").lower() in ("yes", "true", "t", "1")

# ############################## Continuos integration

# see here for the environment variables that are set on the CI servers:

# - https://docs.travis-ci.com/user/environment-variables/

# - https://www.appveyor.com/docs/environment-variables/

IS_TRAVIS = env("TRAVIS")

IS_APPVEYOR = env("APPVEYOR")

IS_CI = IS_TRAVIS or IS_APPVEYOR or env("CI") or env("CONTINUOUS_INTEGRATION")

if IS_APPVEYOR and IS_TRAVIS:

raise EnvironmentError(

"IS_APPVEYOR and IS_TRAVIS cannot be both True at the same time"

)

# ############################## Platforms

_sys = platform.system().lower()

IS_WINDOWS = "windows" in _sys or ("win" in _sys and "darwin" not in _sys)

IS_LINUX = "linux" in _sys

IS_OSX = "darwin" in _sys

IS_UNIX = IS_LINUX or IS_OSX

if (IS_WINDOWS and IS_LINUX) or (IS_LINUX and IS_OSX) or (IS_WINDOWS and IS_OSX):

raise EnvironmentError(

"only one of IS_WINDOWS ({}), IS_LINUX ({}) and IS_OSX ({}) ".format(

IS_WINDOWS, IS_LINUX, IS_OSX

)

+ "can be True at the same time "

+ '(platform.system() == "{}")'.format(platform.system())

)

# ############################## What tests to run

TEST_CAN_FD = True

TEST_INTERFACE_SOCKETCAN = IS_LINUX and env("TEST_SOCKETCAN")