Implement InfluxDB query test

scripts/lua/modules/timeseries/tests/test_utils.lua

@@ -0,0 +1,39 @@
+--
+-- (C) 2018 - ntop.org
+--
+
+local test_utils = {}
+
+function test_utils.makeTimeStamp(series, tstart, tstep)
+  local v = {}
+
+  for idx, serie in ipairs(series) do
+    local data = {}
+    t = tstart
+
+    for i, pt in ipairs(serie.data) do
+      data[i] = {t, pt}
+      t = t + tstep
+    end
+
+    v[idx] = data
+  end
+
+  return v
+end
+
+function test_utils.timestampAsKey(tstamped_series)
+  local rv = {}
+
+  for idx, serie in pairs(tstamped_series) do
+    rv[idx] = {}
+    
+    for _, val in ipairs(serie) do
+      rv[idx][val[1]] = val[2]
+    end
+  end
+
+  return rv
+end
+
+return test_utils