elasticsearch-js/test/unit/specs/nodes_to_host_callback.js

describe('Nodes to host callback', function() {
  var callback = require('../../../src/lib/nodes_to_host');
  var expect = require('expect.js');

  var nodes90 = require('../../fixtures/short_node_list.0.90.json');
  var nodes10 = require('../../fixtures/short_node_list.1.0.json');
  var nodes20 = require('../../fixtures/short_node_list.2.0.json');
  var nodes50 = require('../../fixtures/short_node_list.5.0.json');

  context('0.x style', function() {
    it('properly creates host objects', function() {
      expect(callback(nodes90)).to.eql([
        {
          host: '192.168.1.1',
          port: 9400,
          _meta: {
            id: 'id1',
            name: 'name1',
            version: '0.90.14-SNAPSHOT',
          },
        },
        {
          host: 'localhost',
          port: 9440,
          _meta: {
            id: 'id2',
            name: 'name2',
            version: '0.90.14-SNAPSHOT',
          },
        },
      ]);
    });
  });

  context('1.0 nodes style', function() {
    it('properly creates host objects', function() {
      expect(callback(nodes10)).to.eql([
        {
          host: '10.10.10.100',
          port: 9205,
          _meta: {
            id: 'id1',
            name: 'name1',
            version: '1.0.4-SNAPSHOT',
          },
        },
        {
          host: 'published.hostname',
          port: 9205,
          _meta: {
            id: 'id2',
            name: 'name2',
            version: '1.0.4-SNAPSHOT',
          },
        },
      ]);
    });
  });

  context('2.0 nodes style', function() {
    it('properly creates host objects', function() {
      expect(callback(nodes20)).to.eql([
        {
          host: '127.0.0.1',
          port: 9400,
          _meta: {
            id: 'id1',
            name: 'name1',
            version: '2.0.3-SNAPSHOT',
          },
        },
        {
          host: 'published.hostname',
          port: 9400,
          _meta: {
            id: 'id2',
            name: 'name2',
            version: '2.0.3-SNAPSHOT',
          },
        },
      ]);
    });
  });

  context('5.0 nodes style', function() {
    it('properly creates host objects', function() {
      expect(callback(nodes50)).to.eql([
        {
          host: '127.0.0.1',
          port: 9400,
          _meta: {
            id: 'id1',
            name: 'name1',
            version: '5.0.3',
          },
        },
        {
          host: 'published.hostname',
          port: 9440,
          _meta: {
            id: 'id2',
            name: 'name2',
            version: '5.0.3',
          },
        },
      ]);
    });
  });

  it("ignores hosts that don't have an http_host property", function() {
    var hosts = callback({
      node_id: {
        not: 'much of a node',
      },
    });

    expect(hosts.length).to.be(0);
  });

  it('throws an error when the host property is not formatted properly', function() {
    expect(function() {
      callback({
        node_id: {
          http: {
            publish_address: 'not actually an http host',
          },
        },
      });
    }).to.throwException(/^Malformed http.publish_address/);
  });
});