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--
-- (C) 2021 - ntop.org
--
local ts_utils = require("ts_utils")
local test_utils = require("test_utils")
local influxdb = ts_utils.getQueryDriver()
-- ##############################################
-- use relative times to avoid retention policy issues
local now = os.time()
local options = ts_utils.getQueryOptions()
local f = nil
local schema = ts_utils.newSchema("test:test", {step=1})
schema:addTag("t")
schema:addMetric("v")
-- ##############################################
local function api_string(schema, tags, metrics, tstamp)
return string.format("%s,%s %s %s000000000\n", schema, table.tconcat(tags, "=", ","), table.tconcat(metrics, "=", ","), tostring(tstamp))
end
local function insert(metrics, tstamp)
f:write(api_string("test:test", {t="test"}, metrics, tstamp))
end
-- ##############################################
local function add_points(test, points)
local fname = "/tmp/test_influx_ts"
f = io.open(fname, "w")
-- Insert values
for _, point in ipairs(points) do
insert(point[1], point[2])
end
-- Write data
f:close()
if influxdb:_exportTsFile(fname) == nil then
return test:fail("influxdb:_exportTsFile failed")
end
return true
end
local function init_test(test, points)
if not influxdb:delete("test") then
return test:fail("influxdb:delete failed")
end
return add_points(test, points)
end
-- ##############################################
-- When performing the derivative between two points, the delta must be calculated
-- and accounted for the second point time
function test_simple_derivative(test)
local test_data = {
{{v=1000}, now},
{{v=2000}, now+1},
}
if not init_test(test, test_data) then
return false
end
local res = influxdb:query(schema, now-20, now+20, {t="test"}, options)
if table.empty(res) then
return test:assertion_failed("not table.empty(res)")
end
local rv = test_utils.timestampAsKey(test_utils.makeTimeStamp(res.series, res.start, schema.options.step))[1]
local t1 = test_data[2][2]
if not(rv[t1] == 1000) then
return test:assertion_failed("rv[t1=".. t1 .."] == 1000")
end
return test:success()
end
-- ##############################################
function run(tester)
if influxdb.db == nil then
print("Skipping influx_query tests. Enable InfluxDB export in order to test.<br/>")
return(true)
end
local rv = tester.run_test("influx_query:test_simple_derivative", test_simple_derivative)
return rv
end
return {
run = run
}
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