tests/topotests/lib/test/test_version.py

   1 #!/usr/bin/env python
   2
   3 #
   4 # test_version.py
   5 # Tests for library function: version_cmp().
   6 #
   7 # Copyright (c) 2017 by
   8 # Network Device Education Foundation, Inc. ("NetDEF")
   9 #
  10 # Permission to use, copy, modify, and/or distribute this software
  11 # for any purpose with or without fee is hereby granted, provided
  12 # that the above copyright notice and this permission notice appear
  13 # in all copies.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
  16 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  17 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
  18 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
  19 # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  20 # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
  21 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  22 # OF THIS SOFTWARE.
  23 #
  24
  25 """
  26 Tests for the version_cmp() function.
  27 """
  28
  29 import os
  30 import sys
  31 import pytest
  32
  33 # Save the Current Working Directory to find lib files.
  34 CWD = os.path.dirname(os.path.realpath(__file__))
  35 sys.path.append(os.path.join(CWD, "../../"))
  36
  37 # pylint: disable=C0413
  38 from lib.topotest import version_cmp
  39
  40
  41 def test_valid_versions():
  42     "Test valid version compare results"
  43
  44     curver = "3.0"
  45     samever = "3"
  46     oldver = "2.0"
  47     newver = "3.0.1"
  48     newerver = "3.0.11"
  49     vercustom = "3.0-dev"
  50     verysmallinc = "3.0.0.0.0.0.0.1"
  51
  52     assert version_cmp(curver, oldver) == 1
  53     assert version_cmp(curver, newver) == -1
  54     assert version_cmp(curver, curver) == 0
  55     assert version_cmp(curver, newerver) == -1
  56     assert version_cmp(newver, newerver) == -1
  57     assert version_cmp(curver, samever) == 0
  58     assert version_cmp(curver, vercustom) == 0
  59     assert version_cmp(vercustom, vercustom) == 0
  60     assert version_cmp(vercustom, oldver) == 1
  61     assert version_cmp(vercustom, newver) == -1
  62     assert version_cmp(vercustom, samever) == 0
  63     assert version_cmp(curver, verysmallinc) == -1
  64     assert version_cmp(newver, verysmallinc) == 1
  65     assert version_cmp(verysmallinc, verysmallinc) == 0
  66     assert version_cmp(vercustom, verysmallinc) == -1
  67
  68
  69 def test_invalid_versions():
  70     "Test invalid version strings"
  71
  72     curver = "3.0"
  73     badver1 = ".1"
  74     badver2 = "-1.0"
  75     badver3 = "."
  76     badver4 = "3.-0.3"
  77
  78     with pytest.raises(ValueError):
  79         assert version_cmp(curver, badver1)
  80         assert version_cmp(curver, badver2)
  81         assert version_cmp(curver, badver3)
  82         assert version_cmp(curver, badver4)
  83
  84
  85 def test_regression_1():
  86     """
  87     Test regression on the following type of comparison: '3.0.2' > '3'
  88     Expected result is 1.
  89     """
  90     assert version_cmp("3.0.2", "3") == 1