1 files changed, 28 insertions, 10 deletions
diff --git a/tests/test_python34.py b/tests/test_python34.py
index ce92c7b..2fd3179 100644
--- a/tests/test_python34.py
+++ b/tests/test_python34.py
@@ -16,33 +16,51 @@
 import os
 import pytest
 import shlex
+import sys
 from subprocess import Popen, PIPE
 
+def python3_cli():
+    try:
+        Popen("python3").communicate()[0]
+        return True
+    except OSError:
+        pytest.fail("OSError: python3 not installed")
+        return False
+ 
 def python34_module(modulename):
-    cmd = shlex.split("python3 -m {}" % modulename) 
-    output = Popen(cmd, stdout=PIPE).communicate()[0]
-    return output
-
+    cmd = shlex.split("python3 -m %s" % modulename) 
+    try:
+        Popen(cmd, stdout=PIPE).communicate()[0]
+    except:
+        pytest.fail("Error: python module %s not present" % modulename)
 
 class TestNewPython34Modules:
+    skip_python3 = python3_cli()
 
+    @pytest.mark.skipIf("TestNewPython34Modules.skip_python3")
     def test_python34_asyncio(self):
          python34_module("asyncio")
 
-    def test_python34_ensurepip(self, python34_module("ensurepip")):
+    @pytest.mark.skipIf("TestNewPython34Modules.skip_python3")
+    def test_python34_ensurepip(self):
         python34_module("ensurepip")
 
-    def test_python34_enum(self, python34_module("enum")):
+    @pytest.mark.skipIf("TestPython3Installed.skip_python3")
+    def test_python34_enum(self):
         python34_module("enum")
 
-    def test_python34_pathlib(self, python34_module("pathlib")):
+    @pytest.mark.skipIf("TestPython3Installed.skip_python3")
+    def test_python34_pathlib(self):
         python34_module("pathlib")
 
-    def test_python34_selectors(self, python34_module("selectors")):
+    @pytest.mark.skipIf("TestPython3Installed.skip_python3")
+    def test_python34_selectors(self):
         python34_module("selectors")
 
-    def test_python34_statistics(self, python34_module("statistics")):
+    @pytest.mark.skipIf("TestPython3Installed.skip_python3")
+    def test_python34_statistics(self):
         python34_module("statistics")
 
-    def test_python34_tracemalloc(self, python34_module("tracemalloc")):
+    @pytest.mark.skipIf("TestPython3Installed.skip_python3")
+    def test_python34_tracemalloc(self):
         python34_module("tracemalloc")