1 files changed, 26 insertions, 10 deletions
diff --git a/tests/test_config.py b/tests/test_config.py
index 522a22f..79c98bd 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -6,6 +6,7 @@ import pytest
 import tox
 import tox._config
 from tox._config import *  # noqa
+from tox._config import _split_env
 from tox._venv import VirtualEnv
 
 
@@ -1560,16 +1561,31 @@ class TestCmdInvocation:
         ])
 
 
-@pytest.mark.parametrize("cmdline,envlist", [
-    ("-e py26", ['py26']),
-    ("-e py26,py33", ['py26', 'py33']),
-    ("-e py26,py26", ['py26', 'py26']),
-    ("-e py26,py33 -e py33,py27", ['py26', 'py33', 'py33', 'py27'])
-])
-def test_env_spec(cmdline, envlist):
-    args = cmdline.split()
-    config = parseconfig(args)
-    assert config.envlist == envlist
+class TestArgumentParser:
+
+    def test_dash_e_single_1(self):
+        parser = prepare_parse('testpkg')
+        args = parser.parse_args('-e py26'.split())
+        envlist = _split_env(args.env)
+        assert envlist == ['py26']
+
+    def test_dash_e_single_2(self):
+        parser = prepare_parse('testpkg')
+        args = parser.parse_args('-e py26,py33'.split())
+        envlist = _split_env(args.env)
+        assert envlist == ['py26', 'py33']
+
+    def test_dash_e_same(self):
+        parser = prepare_parse('testpkg')
+        args = parser.parse_args('-e py26,py26'.split())
+        envlist = _split_env(args.env)
+        assert envlist == ['py26', 'py26']
+
+    def test_dash_e_combine(self):
+        parser = prepare_parse('testpkg')
+        args = parser.parse_args('-e py26,py25,py33 -e py33,py27'.split())
+        envlist = _split_env(args.env)
+        assert envlist == ['py26', 'py25', 'py33', 'py33', 'py27']
 
 
 class TestCommandParser: