Export scenario name in SIPP tasks. (#25)

* Export scenario name in SIPP tasks.

* Get scenario name from test_dir in SIPP task.

* Add documentation for "scenario" setting for SIPP tasks.

docs/tasks/sipp.md

@@ -38,6 +38,9 @@ scenario (see `sipp -d` parameter for more information).
 scenario runs in UAS mode
 * `service`: the destination service used to test; optional, default value is
 usually `sipp` (see `sipp -s` parameter for more information).
+* `scenario`: a variable that can be used in XML scenario files; it can be
+added to the `keys` dictionary as well, but the default value is the name of 
+the SIPssert scenario
 
 ## Example
 

sipssert/tasks/sipp.py

@@ -41,6 +41,11 @@ def __init__(self, test_dir, config):
         if self.port:
             self.port, _ = self.parse_port(self.port)
         self.keys = config.get("keys", {})
+        if "scenario" not in self.keys:
+            self.scenario = config.get("scenario", None)
+            if not self.scenario:
+                self.scenario = os.path.basename(self.test_dir)
+            self.keys["scenario"] = self.scenario
         self.calls = config.get("calls", "1")
         self.duration = str(config.get("duration", "5000"))
         self.proxy = config.get("proxy", None)