#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2019 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Tests for misc."""


__author__ = "asharif@google.com (Ahmad Sharif)"

# System modules
import unittest

# Local modules
from cros_utils import misc


class UtilsTest(unittest.TestCase):
    """Tests for misc."""

    def testGetFilenameFromString(self):
        string = 'a /b=c"d^$?\\'
        filename = misc.GetFilenameFromString(string)
        self.assertEqual(filename, "a___bcd")

    def testPrependMergeEnv(self):
        var = "USE"
        use_flags = "hello 123"
        added_use_flags = "bla bla"
        env_string = "%s=%r" % (var, use_flags)
        new_env_string = misc.MergeEnvStringWithDict(
            env_string, {var: added_use_flags}
        )
        expected_new_env = "%s=%r" % (
            var,
            " ".join([added_use_flags, use_flags]),
        )
        self.assertEqual(
            new_env_string, " ".join([env_string, expected_new_env])
        )

    def testGetChromeOSVersionFromLSBVersion(self):
        versions_dict = {"2630.0.0": "22", "2030.0.0": "19"}
        f = misc.GetChromeOSVersionFromLSBVersion
        for k, v in versions_dict.items():
            self.assertEqual(f(k), "R%s-%s" % (v, k))

    def testPostpendMergeEnv(self):
        var = "USE"
        use_flags = "hello 123"
        added_use_flags = "bla bla"
        env_string = "%s=%r" % (var, use_flags)
        new_env_string = misc.MergeEnvStringWithDict(
            env_string, {var: added_use_flags}, False
        )
        expected_new_env = "%s=%r" % (
            var,
            " ".join([use_flags, added_use_flags]),
        )
        self.assertEqual(
            new_env_string, " ".join([env_string, expected_new_env])
        )


if __name__ == "__main__":
    unittest.main()