test.js

/* eslint-env mocha */
// from http://geojson.org/geojson-spec.html#examples
var gml = require('./dist/common.js').geomToGml;
// var assert = require('assert');
var validate = require('xsd-schema-validator').validateXML;

// create geojson examples
var point =  {'type': 'Point', 'coordinates': [102.0, 0.5]};
var line = {
  'type': 'LineString',
  'coordinates': [
    [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
  ]
};
var polygon = {
  'type': 'Polygon',
  'coordinates': [
    [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
      [100.0, 1.0], [100.0, 0.0] ]
  ]
};
//http://geojson.org/geojson-spec.html#id5
var multipoint = {
  'type': 'MultiPoint',
  'coordinates': [ [100.0, 0.0], [101.0, 1.0] ]
};
// http://geojson.org/geojson-spec.html#id6
var multilinestring =  {
  'type': 'MultiLineString',
  'coordinates': [
    [ [100.0, 0.0], [101.0, 1.0] ],
    [ [102.0, 2.0], [103.0, 3.0] ]
  ]
};
//http://geojson.org/geojson-spec.html#id7
var multipolygon = {
  'type': 'MultiPolygon',
  'coordinates': [
    [
      [
        [102.0, 2.0],
        [103.0, 2.0],
        [103.0, 3.0],
        [102.0, 3.0],
        [102.0, 2.0]
      ]
    ],
    [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ],
      [
        [100.2, 0.2],
        [100.8, 0.2],
        [100.8, 0.8],
        [100.2, 0.8],
        [100.2, 0.2]
      ]
    ]
  ]
};
//http://geojson.org/geojson-spec.html#geometrycollection
var geometrycollection = {
  'type': 'GeometryCollection',
  'geometries': [
    { 'type': 'Point',
      'coordinates': [100.0, 0.0]
    },
    { 'type': 'LineString',
      'coordinates': [ [101.0, 0.0], [102.0, 1.0] ]
    }
  ]
};

function validateGml(xml){
  return new Promise(function(resolve, reject){
    validate(xml, 'gml.xsd', function(err, result){
      if (err) reject(err);
      resolve(result);
    });
  });
}

function addNs3(xml){
  var xmlns = ' xmlns:gml="http://www.opengis.net/gml/3.2"';
  var index = />/.exec(xml).index;
  return xml.substr(0, index) + xmlns + xml.substr(index);
}

describe('geomToGml-3.2.1', function(){
  describe('visual inspection', function(){
    it('should look right, or at least visible', function(){
      [point, line, polygon, multipoint,
        multilinestring, multipolygon, geometrycollection].map(
        /* eslint-disable no-console */
        (e)=>console.log(
          addNs3(gml(e, 'ab.1')),
          '\n------------------------\n'
        )
      );
    });
  });
  describe('validation tests', function(){
    it('Point', function(){
      var xml = addNs3(gml(point, 'ab.1'));
      return validateGml(xml);
    });
    it('LineString', function(){
      var xml = addNs3(gml(line, 'ab.1'));
      return validateGml(xml);
    });
    it('Polygon', function(){
      var xml = addNs3(gml(polygon, 'ab.1'));
      return validateGml(xml);
    });
    it('MultiPoint', function(){
      var xml = addNs3(gml(multipoint,'ab.0', {gmlIds:['ab.1', 'cd.2']}));
      return validateGml(xml);
    });
    it('MultiLineString', function(){
      var xml = addNs3(gml(multilinestring,'ab.0', {gmlIds:['ab.1', 'cd.2']}));
      return validateGml(xml);
    });
    it('MultiPolygon', function(){
      var xml = addNs3(gml(multipolygon,'ab.0', {gmlIds:['ab.1', 'cd.2']}));
      return validateGml(xml);
    });
    it('GeometryCollecion', function(){
      var xml = addNs3(gml(geometrycollection, 'ab.0', {gmlIds:['ab.1', 'cd.2']}));
      return validateGml(xml);
    });
  });
});