nixos/tests/dawarich: fix points being flagged as anomalies (#507673)

  name = "dawarich-nixos";

  nodes.machine =

    { pkgs, ... }:

    { lib, pkgs, ... }:

    {

      services.dawarich = {

        enable = true;

        localDomain = "localhost";

      };

      environment.etc.geojson.source = pkgs.fetchurl {

        url = "https://github.com/Freika/dawarich/raw/8c24764aa56a084e980e21bc2ffd13a72fd611db/spec/fixtures/files/geojson/export.json";

        hash = "sha256-qI00E5ixKTRJduAD+qB3JzvrpoJmC55llNtSiPVyxz4=";

      environment.etc.geojson.text =

        let

          # based on https://github.com/Freika/dawarich/raw/8c24764aa56a084e980e21bc2ffd13a72fd611db/spec/fixtures/files/geojson/export.json

          # but with different timestamps to avoid points being flagged as anomalies

          points = map (i: {

            lat = i / 10.0;

            lon = i / 10.0;

            timestamp = 1609459200 + i * 1000;

          }) (lib.range 1 10);

          mkGeoJsonPoint =

            {

              lat,

              lon,

              timestamp,

            }:

            {

              type = "Feature";

              geometry = {

                type = "Point";

                coordinates = [

                  lon

                  lat

                ];

              };

              properties = {

                altitude = 1;

                vertical_accuracy = 1;

                accuracy = 1;

                inherit timestamp;

              };

            };

        in

        builtins.toJSON {

          type = "FeatureCollection";

          features = map mkGeoJsonPoint points;

        };

    };