growstuff/spec/javascripts/graphs/bar_label_group_spec.js

(function() {
  'use strict';

  /*
  This file contains tests for the labels that get rendered next to each bar
   */

  describe('BarLabelGroup', function() {
    var BarLabelGroup; var subject; var data;

    beforeEach(function() {
      BarLabelGroup = growstuff.BarLabelGroup;
      var bars = [
        {name: 'Shade', value: 0.2},
        {name: 'Half Shade', value: 0.5},
      ];
      data = {
        bars: bars,
      };
      subject = new BarLabelGroup(data);
      subject.render(d3.select('#jasmine_content').append('svg'));
    });

    it('draws a group for labels', function() {
      expect($('g.bar-label')).toExist();
    });

    it('draws 2 bar labels', function() {
      expect($('g.bar-label text')).toHaveLength(2);
    });

    it('has text for 2 bar labels', function() {
      // jquery jasmine appends text from all text elements
      // into one string
      expect($('g.bar-label text')).toHaveText('ShadeHalf Shade');
    });
  });
}());