Add Company for domain lookups

src/company.js

+'use strict';
+
+var assert = require('assert');
+var _      = require('lodash');
+
+module.exports = function (client) {
+  function Company (data) {
+    _.extend(this, data);
+  }
+
+  Company.prototype.pending = function () {
+    return !this.id;
+  };
+
+  Company.find = function (options) {
+    assert(options && options.domain, 'A domain must be provided');
+    return this.client.request(_.extend({
+      api: 'company',
+      path: '/companies/domain/' + options.domain
+    }, options))
+    .bind(this)
+    .then(function (data) {
+      return new this(data);
+    });
+  };
+
+  Company.prototype.client = Company.client = client;
+
+  return Company;
+};

test/company.js

+'use strict';
+
+var expect = require('chai').expect;
+var nock   = require('nock');
+var Client = require('../src/client');
+
+describe('Company', function () {
+
+  var client = new Client({key: 'k'});
+  var Company = require('../src/company')(client);
+
+  var mock;
+  before(function () {
+    mock = nock('https://company.clearbit.co');
+  });
+  after(nock.cleanAll);
+  afterEach(function () {
+    mock.done();
+  });
+
+  describe('#pending', function () {
+
+    it('identifies whether the company has an id', function () {
+      var company = new Company();
+      expect(company.pending()).to.be.true;
+      company.id = 'foo';
+      expect(company.pending()).to.be.false;
+    });
+
+  });
+
+  describe('Company#find', function () {
+
+    var company = require('./fixtures/company');
+
+    it('can find a company by domain', function () {
+      mock
+        .get('/v1/companies/domain/uber.com')
+        .reply(200, company);
+      return Company.find({domain: 'uber.com'})
+        .then(function (company) {
+          expect(company)
+            .to.be.an.instanceOf(Company)
+            .and.have.property('id', company.id);
+        });
+    });
+
+    it('is can handle pending requests', function () {
+      mock
+        .get('/v1/companies/domain/uber.com')
+        .reply(202);
+      return Company.find({domain: 'uber.com'})
+        .then(function (company) {
+          expect(company.pending()).to.be.true;
+        });
+    });
+
+  });
+
+});