tag-e-geo/test/geonames_cache.test.js

Create Tags based on Geonames hierarchy

require('env2')('.env');
var assert = require('assert');
var geonames = require('../lib/geonames');
var geonames_cache = require('../lib/geonames_cache');

var geonames_id = 2643743;
var filepath = 'test/place/' + geonames_id;

describe('geonames_cache', function () {
  it('set (getJSON)', function (done) {
    geonames.get(geonames_id, function (err, record) {
      if (err) console.log(err);
      assert(record.wikipediaURL === 'en.wikipedia.org/wiki/London');
      geonames_cache.set(filepath, record, function (err, data) {
        if (err) console.log(err);
        assert.equal(data.Key, filepath + '.json');
        done();
      });
    });
  });

  it('get (from cache)', function (done) {
    geonames_cache.get(filepath, function (err, data) {
      if (err) console.log('S3 get ERROR:', err);
      assert.equal(data.name, 'London');
      done();
    });
  });

  it('get cache miss (not found)', function (done) {
    geonames_cache.get('non-existent', function (err, data) {
      assert.equal(err.statusCode, 404);
      done();
    });
  });

  it('remove (from cache)', function (done) {
    geonames_cache.remove(filepath, function (err, data) {
      if (err) console.log('S3 remove ERROR:', err);
      assert(!err);
      done();
    });
  });
});

// delete 3 records so index.test.js exercises all branches (Cache Miss)
// place/lat=35.04850&lng=-90.02710
// hierarchy/4645760
// place/6295630

describe('remove 3 cached records to exercise Cache Miss branches', function () {
  it('removes 2 places and a hierarchy', function (done) {
    var files = [
      'place/lat=35.04850&lng=-90.02710',
      'hierarchy/4645760',
      'place/6295630'
    ];
    var count = 0;
    files.forEach(function (filepath) {
      geonames_cache.remove(filepath, function (err) {
        assert(!err);
        geonames_cache.get(filepath, function (err, data) {
          assert.equal(err.statusCode, 404);
          if (++count === files.length) {
            done();
          }
        });
      });
    });
  });
});