kibana-with-account/src/ui/public/agg_response/hierarchical/__tests__/extract_buckets.js

kibana-with-account is develop based kibana project

var extractBuckets = require('ui/agg_response/hierarchical/_extract_buckets');
var expect = require('expect.js');

describe('buildHierarchicalData()', function () {
  describe('extractBuckets()', function () {

    it('should normalize a bucket object into an array', function () {

      var bucket = {
        buckets: {
          foo: { doc_count: 1 },
          bar: { doc_count: 2 }
        }
      };

      var buckets = extractBuckets(bucket);
      expect(buckets).to.be.an(Array);
      expect(buckets).to.have.length(2);
      expect(buckets[0]).to.have.property('key', 'foo');
      expect(buckets[0]).to.have.property('doc_count', 1);
      expect(buckets[1]).to.have.property('key', 'bar');
      expect(buckets[1]).to.have.property('doc_count', 2);
    });

    it('should return an empty array for undefined buckets', function () {
      var buckets = extractBuckets();
      expect(buckets).to.be.an(Array);
      expect(buckets).to.have.length(0);
    });

    it('should return the bucket array', function () {
      var bucket =  {
        buckets: [
          { key: 'foo', doc_count: 1 },
          { key: 'bar', doc_count: 2 }
        ]
      };
      var buckets = extractBuckets(bucket);
      expect(buckets).to.be.an(Array);
      expect(buckets).to.be(bucket.buckets);
    });

  });
});