Add tests for Inventory class.

test/inventory_api.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+
+import json
+import sys
+
+from optparse import OptionParser
+
+parser = OptionParser()
+parser.add_option('-l', '--list', default=False, dest="list_hosts", action="store_true")
+parser.add_option('-H', '--host', default=None, dest="host")
+parser.add_option('-e', '--extra-vars', default=None, dest="extra")
+
+options, args = parser.parse_args()
+
+systems = {
+    "ungouped": [ "jupiter", "saturn" ],
+    "greek": [ "zeus", "hera", "poseidon" ],
+    "norse": [ "thor", "odin", "loki" ]
+}
+
+variables = {
+    "thor": {
+        "hammer": True
+        }
+}
+
+if options.list_hosts == True:
+    print json.dumps(systems)
+    sys.exit(0)
+
+if options.host is not None:
+    if options.extra:
+        k,v = options.extra.split("=")
+        variables[options.host][k] = v
+    print json.dumps(variables[options.host])
+    sys.exit(0)
+
+parser.print_help()
+sys.exit(1)