Issue 481: Output uptake message with 3 decimals (#482)

Author: pascalchevrel

pollbot/tasks/telemetry.py

@@ -93,7 +93,7 @@ async def main_summary_uptake(product, version):
             status = Status.INCOMPLETE
         else:
             status = Status.EXISTS
-        message = 'Telemetry uptake for version {} is {:.1f}%'.format(
+        message = 'Telemetry uptake for version {} is {:.3f}%'.format(
             version_name, ratio * 100)
 
         return build_task_response(status, url, message)

tests/test_tasks.py

@@ -1085,7 +1085,7 @@ async def test_telemetry_uptake_tasks_incomplete(self):
         received = await telemetry.main_summary_uptake('firefox', '57.0a1')
         assert received["status"] == Status.INCOMPLETE.value
         assert received["message"] == ("Telemetry uptake for version 57.0a1 "
-                                       "({}) is 0.0%".format(build_id))
+                                       "({}) is 0.000%".format(build_id))
 
     async def test_telemetry_uptake_tasks_exists(self):
         build_id = "{}192146".format(yesterday(formating='%Y%m%d'))
@@ -1128,4 +1128,4 @@ async def test_telemetry_uptake_tasks_exists(self):
         received = await telemetry.main_summary_uptake('firefox', '57.0a1')
         assert received["status"] == Status.EXISTS.value
         assert received["message"] == ("Telemetry uptake for version 57.0a1 "
-                                       "({}) is 55.0%".format(build_id))
+                                       "({}) is 55.001%".format(build_id))