aerofly-missions/src/Tests/MissionConditions.test.ts

The Aerofly Missionsgerät converts simulator flight plan files for Aerofly FS 4, Microsoft Flight Simulator, X-Plane, GeoFS, and Garmin / Infinite Flight flight plan files. It also imports SimBrief flight plans.

import { MissionConditions } from "../Aerofly/MissionConditions.js";
import { Test } from "../Cli/Test.js";

export class MissionConditionsTest extends Test {
  constructor(protected process: NodeJS.Process, protected dieOnError = false) {
    super(process, dieOnError);

    this.group(MissionConditions.name);
    {
      const missionConditions = new MissionConditions();

      this.assertEquals(missionConditions.cloud.height, 0);
      this.assertEquals(missionConditions.cloud.cover, 0);
      this.assertEquals(missionConditions.wind_speed, 0);
      this.assertEquals(missionConditions.visibility, 20000);

      missionConditions.visibility_percent = 1;
      this.assertEquals(missionConditions.visibility, 15000, "Visbility percentage test");
      missionConditions.visibility_percent = 0.5;
      this.assertEquals(missionConditions.visibility, 15000 / 2, "Visbility percentage test");
      missionConditions.visibility_percent = 0;
      this.assertEquals(missionConditions.visibility, 0, "Visbility percentage test");

      missionConditions.clouds[0].height_percent = 1;
      this.assert(missionConditions.cloud.height > 3000, "Cloud base percentage test");
      missionConditions.clouds[0].height_percent = 0;
      this.assertEquals(missionConditions.cloud.height, 0, "Cloud base percentage test");

      missionConditions.wind_speed_percent = 1;
      this.assertEquals(missionConditions.wind_speed, 16, "Wind speed percentage test");
      missionConditions.wind_speed_percent = 0.5;
      this.assertEquals(missionConditions.wind_speed, 6, "Wind speed percentage test");
      missionConditions.wind_speed_percent = 0;
      this.assertEquals(missionConditions.wind_speed, 0, "Wind speed percentage test");
    }

    /**
     * @see https://e6bx.com/e6b
     */
    this.group(MissionConditions.name + ": Wind drift 1");
    {
      const missionConditions = new MissionConditions();
      missionConditions.wind_direction = 90;
      missionConditions.wind_speed = 23;
      const course = 320;
      const tas_kts = 100;
      const windCorrection = missionConditions.getWindCorrection((course / 180) * Math.PI, tas_kts);

      this.assertEqualsRounded(windCorrection.ground_speed, 113.22, 2);
      this.assertEqualsRounded(windCorrection.heading, 330.15, 2);
    }

    this.group(MissionConditions.name + ": Wind drift 2");
    {
      const missionConditions = new MissionConditions();
      missionConditions.wind_direction = 90;
      missionConditions.wind_speed = 20;
      const course = 355;
      const tas_kts = 150;
      const windCorrection = missionConditions.getWindCorrection((course / 180) * Math.PI, tas_kts);

      this.assertEqualsRounded(windCorrection.ground_speed, 150.41, 2);
      this.assertEqualsRounded(windCorrection.heading, 2.63, 2);
    }

    this.group(MissionConditions.name + ": Wind drift 3");
    {
      const missionConditions = new MissionConditions();
      missionConditions.wind_direction = 90;
      missionConditions.wind_speed = 20;
      const course = 90;
      const tas_kts = 150;
      const windCorrection = missionConditions.getWindCorrection((course / 180) * Math.PI, tas_kts);

      this.assertEquals(windCorrection.ground_speed, tas_kts - missionConditions.wind_speed);
      this.assertEquals(windCorrection.heading, course);
    }

    this.group(MissionConditions.name + ": Wind drift 4");
    {
      const missionConditions = new MissionConditions();
      missionConditions.wind_direction = 270;
      missionConditions.wind_speed = 20;
      const course = 90;
      const tas_kts = 150;
      const windCorrection = missionConditions.getWindCorrection((course / 180) * Math.PI, tas_kts);

      this.assertEquals(windCorrection.ground_speed, tas_kts + missionConditions.wind_speed);
      this.assertEquals(windCorrection.heading, course);
    }

    this.group(MissionConditions.name + ": Flight conditions 1");
    {
      const missionConditions = new MissionConditions();

      missionConditions.visibility_percent = 1;
      this.assertEquals(missionConditions.getFlightCategory(), "VFR");

      missionConditions.visibility_percent = 0.5;
      this.assertEquals(missionConditions.getFlightCategory(), "MVFR");

      missionConditions.visibility_percent = 0.3;
      this.assertEquals(missionConditions.getFlightCategory(), "IFR");

      missionConditions.visibility_percent = 0.1;
      this.assertEquals(missionConditions.getFlightCategory(), "LIFR");
    }

    this.group(MissionConditions.name + ": Flight conditions 1");
    {
      const missionConditions = new MissionConditions();

      missionConditions.cloud.height = 0;
      missionConditions.cloud.cover = 0;
      this.assertEquals(missionConditions.getFlightCategory(), "VFR");

      missionConditions.cloud.height = 5000;
      missionConditions.cloud.cover = 0.1;
      this.assertEquals(missionConditions.getFlightCategory(), "VFR");

      missionConditions.cloud.height = 1000;
      missionConditions.cloud.cover = 0.5;
      this.assertEquals(missionConditions.getFlightCategory(), "VFR");

      missionConditions.cloud.height = 800;
      missionConditions.cloud.cover = 0.6;
      this.assertEquals(missionConditions.getFlightCategory(), "MVFR");
    }
  }
}