Fix RuntimeWarning: You have iterated over the result of

pkg_resources.parse_version. This is a legacy behavior

Fix #504

tests/modules/vpcs/test_vpcs_vm.py

@@ -22,7 +22,7 @@ import os
 import sys
 
 from tests.utils import asyncio_patch
-from pkg_resources import parse_version
+from gns3server.utils import parse_version
 from unittest.mock import patch, MagicMock
 
 from gns3server.modules.vpcs.vpcs_vm import VPCSVM

tests/test_utils.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from gns3server.utils import force_unix_path, macaddress_to_int, int_to_macaddress
+from gns3server.utils import *
 
 
 def test_force_unix_path():
@@ -31,3 +31,18 @@ def test_macaddress_to_int():
 
 def test_int_to_macaddress():
     assert int_to_macaddress(52228632586) == "00:0c:29:11:b0:0a"
+
+
+def test_parse_version():
+    assert parse_version('1') == (1, 'final')
+    assert parse_version('1.3') == (1, 3, 'final')
+    assert parse_version('1.3.dev3') == (1, 3, 'dev', 3)
+    assert parse_version('1.3a1') == (1, 3, 'a', 1)
+    assert parse_version('1.3rc1') == (1, 3, 'c', 1)
+
+    assert parse_version('1.2.3') > parse_version('1.2.2')
+    assert parse_version('1.3') > parse_version('1.2.2')
+    assert parse_version('1.3') > parse_version('1.3alpha1')
+    assert parse_version('1.3') > parse_version('1.3rc1')
+    assert parse_version('1.3rc1') > parse_version('1.3alpha3')
+    assert parse_version('1.3dev1') > parse_version('1.3rc1')