test.js

var countries = require("./index.js");

describe("country code", function () {
  it("loads the countries into an array", function (done) {
    if (countries.countries.length < 239)
      return done(
        "not all countries loaded, found " + countries.countries.length
      );
    return done();
  });

  it("finds countries by fips", function (done) {
    var uk = countries.byFips("UK");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    if (uk.continent !== "Europe") return done("wrong continent");
    if (uk.region !== "Western Europe") return done("wrong region");
    if (uk.capital !== "London") return done("wrong capital");
    return done();
  });

  it("finds countries by iso 2", function (done) {
    var uk = countries.byIso("GB");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    return done();
  });

  it("finds countries by iso 3", function (done) {
    var uk = countries.byIso("GBR");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    return done();
  });

  it("finds countries by iso number", function (done) {
    var uk = countries.byIso(826);
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    return done();
  });

  it("finds countries by country name", function (done) {
    var uk = countries.byCountry("United Kingdom");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    if (uk.continent !== "Europe") return done("wrong continent");
    if (uk.region !== "Western Europe") return done("wrong region");
    if (uk.capital !== "London") return done("wrong capital");
    return done();
  });

  it("finds countries by iso number as a string", function (done) {
    var uk = countries.byIso("826");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    return done();
  });

  it("finds countries by internet code", function (done) {
    var uk = countries.byInternet("UK");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    return done();
  });

  it("finds countries by lower case fips", function (done) {
    var uk = countries.byFips("uk");
    if (!uk) return done("no country");
    if (uk.country !== "United Kingdom") return done("wrong country");
    return done();
  });

  it("throws an error if the iso code is invalid", function (done) {
    try {
      countries.byIso("foo bar baz");
      return done("exception should be thrown");
    } catch (e) {
      return done();
    }
  });

  it("returns null if no country is found", function (done) {
    var uk = countries.byIso(23452);
    if (uk === null) return done();
    return done("country should be null");
  });

  it("Romania is now ROU", function (done) {
    var romania = countries.byIso("ROM");
    if (null !== romania) return done("Romania is no longer ROM");

    var romania = countries.byIso("ROU");
    if (null === romania) return done("Romania is now ROU");
    done();
  });

  it("Democratic Republic of Congo", function (done) {
    var drcongo = countries.byIso("COD");
    if (null == drcongo) return done("Democratic Republic of Congo is COD");

    var drcongo = countries.byIso("CD");
    if (null == drcongo) return done("Democratic Republic of Congo is CD");

    done();
  });

  it("Zambia is ZMB", function (done) {
    var zambia = countries.byIso("ZMB");
    if (null == zambia) return done("Zambia is ZMB");

    done();
  });

  it("Finds countries with leading zeros", function (done) {
    var bangladesh = countries.byIso("050");
    if (null == bangladesh) return done("Bangladesh not found");
    if (bangladesh.country !== "Bangladesh") return done(`${bangladesh.country} found`);

    done();
  });

  it("All iso numbers are 3 digits", function (done) {
    var iso2 = countries.countries
      .filter(country => country.country !== "Republic of Kosovo")
      .filter(country => country.isoNo.length !== 3);
    if (iso2.length > 0) return done(`iso numbers are not all 3 digits - check ${iso2[0].country}`);
    done();
  })

  it ("We now call the Czech Repulic 'Czechia'", function(done){
    var czechia = countries.byFips("EZ")
    if (czechia.country !== "Czechia") return done(`This should be Czechia: ${czechia}`)
    done();
  })

  it("Sudan is 729", function (done) {
    var sudan = countries.byIso("SDN");
    if (sudan.isoNo != '729') return done("Sudan should have iso number 729");

    done();
  });

  it("Kosovo is XKX", function (done) {
    var sudan = countries.byIso("XKX");
    if (sudan.iso3 != 'XKX') return done("Kosovo should have iso  XKX");

    done();
  });

});