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defmodule ExPrometheusIo.QueryTest do
use ExUnit.Case
import ExPrometheusIo.Query, only: [query_params: 2,
endpoint: 1,
build_url: 2]
test "query_params builds proper query string" do
curr_time = :os.system_time(:seconds)
assert "query=up&time=#{curr_time}" == query_params(:query, "up")
end
test "query_params builds correct range query" do
curr_time = :os.system_time(:seconds)
assert "query=up&start=#{curr_time-5}&end=#{curr_time}&step=1" ==
query_params(:range, {"up", curr_time - 5, curr_time, 1})
end
test "query_params builds correct series query" do
assert "match[]=up" == query_params(:series, {["up"]})
end
test "query endpoint" do
assert "http://#{prom_host}/api/v1/query" == endpoint(:query)
end
test "range endpoint" do
assert "http://#{prom_host}/api/v1/query_range" == endpoint(:range)
end
test "series endpoint" do
assert "http://#{prom_host}/api/v1/series" == endpoint(:series)
end
test "build url" do
base_url = "http://#{prom_host}/api/v1/"
cur_time = :os.system_time(:seconds)
assert base_url <> "query?query=up&time=#{cur_time}"
== build_url(:query, "up")
assert base_url <> "query_range?query=up"
<> "&start=#{cur_time-5}"
<> "&end=#{cur_time}"
<> "&step=1"
== build_url(:range, {"up", cur_time - 5, cur_time, 1})
assert base_url <> "series?match[]=up" == build_url(:series, {["up"]})
end
defp prom_host, do: Application.fetch_env!(:ex_prometheus_io, :hostname)
end
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