Adding tests for #187

Author: LucidOne

src/tests/conf_envsubst.py

@@ -0,0 +1,5 @@
+#!/usr/bin/python
+import sys
+import configobj
+
+print configobj.ConfigObj(sys.argv[1])

src/tests/envsubst.ini.template

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+# Template test
+
+shell = ${SHELL}
+

src/tests/test_validate_envsubst.py

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+# *- coding: utf-8 -*-
+# pylint: disable=wildcard-import, missing-docstring, no-self-use, bad-continuation
+# pylint: disable=invalid-name, redefined-outer-name, too-few-public-methods
+
+import os
+
+import pytest
+import subprocess
+
+@pytest.fixture()
+def thisdir():
+    return os.path.dirname(os.path.join(os.getcwd(), __file__))
+
+
+def test_validate_template(thisdir,capsys):
+    templatepath = os.path.join(thisdir, 'envsubst.ini.template')
+    out = subprocess.check_output(["bash","-c","python %s/conf_envsubst.py <(envsubst < %s)"%(thisdir,templatepath)], env={"SHELL": "/bin/bash"})
+    assert out.decode() == "{'shell': '/bin/bash'}\n"