Get the static items tested.

keepalived/templates/config.jinja

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+{% macro keepalived_config(data) %}
+{% if data is none %}
+
+{% else %}
+{{ data }}
+{% endif %}
+{% endmacro %}

keepalived/templates/test_config.jinja

@@ -0,0 +1,2 @@
+{% import 'config.jinja' as config %}
+{{ config.keepalived_config(testdata) }}

test/test_keepalived_config.py

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+#!/usr/bin/python
+
+import os, unittest
+from jinja2 import Environment, FileSystemLoader
+
+class TestKeepalivedConfiguration(unittest.TestCase):
+
+    def setUp(self):
+        self.t_dir = os.path.abspath(os.path.join(
+            os.path.dirname(__file__),
+            os.pardir,
+            'keepalived',
+            'templates'))
+        self.t_conf = Environment(loader=FileSystemLoader(self.t_dir), 
+                trim_blocks=True)
+
+    def _render(self, data):
+        holder = self.t_conf.get_template('test_config.jinja').render(testdata=data)
+        print(repr(holder))
+        return holder
+
+    def test_string(self):
+        testdata = 'stuff'
+        result = 'stuff\n'
+        self.assertEqual(self._render(testdata), result,
+                'A string should be returned with a line feed.')
+
+    def test_number(self):
+        testdata = 3
+        result = '3\n'
+        self.assertEqual(self._render(testdata), result,
+                'A number should be returned with a line feed.')
+
+    def test_null(self):
+        testdata = None
+        result = '\n'
+        self.assertEqual(self._render(testdata), result,
+                'A null should just return a line feed.')
+
+if __name__ == '__main__':
+    unittest.main()