text: import Vue from 'vue';
  import TrackLine from '~/monitoring/components/graph/track_line.vue';
  import mountComponent from 'spec/helpers/vue_mount_component_helper';
  import createTimeSeries from '~/monitoring/utils/multiple_time_series';
  import { singleRowMetricsMultipleSeries, convertDatesMultipleSeries } from '../mock_data';
  
  const convertedMetrics = convertDatesMultipleSeries(singleRowMetricsMultipleSeries);
  const { timeSeries } = createTimeSeries(convertedMetrics[0].queries, 500, 300, 120);
  
  describe('TrackLine component', () => {
    let vm;
    let Component;
  
    beforeEach(() => {
      Component = Vue.extend(TrackLine);
    });
  
    afterEach(() => {
      vm.$destroy();
    });
  
    describe('Computed props', () => {
      it('stylizedLine for dashed lineStyles', () => {
        vm = mountComponent(Component, { track: { ...timeSeries[0], lineStyle: 'dashed' } });
  
        expect(vm.stylizedLine).toEqual('6, 3');
      });
  
      it('stylizedLine for dotted lineStyles', () => {
        vm = mountComponent(Component, { track: { ...timeSeries[0], lineStyle: 'dotted' } });
  
        expect(vm.stylizedLine).toEqual('3, 3');
      });
    });
  
    describe('Rendered output', () => {
      it('has an svg with a line', () => {
        vm = mountComponent(Component, { track: { ...timeSeries[0] } });
        const svgEl = vm.$el.querySelector('svg');
        const lineEl = vm.$el.querySelector('svg line');
  
        expect(svgEl.getAttribute('width')).toEqual('16');
        expect(svgEl.getAttribute('height')).toEqual('8');
  
        expect(lineEl.getAttribute('stroke-width')).toEqual('4');
        expect(lineEl.getAttribute('x1')).toEqual('0');
        expect(lineEl.getAttribute('x2')).toEqual('16');
        expect(lineEl.getAttribute('y1')).toEqual('4');
        expect(lineEl.getAttribute('y2')).toEqual('4');
      });
    });
  });
  