gitlab-org--gitlab-foss/spec/javascripts/monitoring/charts/area_spec.js

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import { shallowMount } from '@vue/test-utils';
import { GlAreaChart } from '@gitlab/ui/dist/charts';
import { shallowWrapperContainsSlotText } from 'spec/helpers/vue_test_utils_helper';
import Area from '~/monitoring/components/charts/area.vue';
import MonitoringStore from '~/monitoring/stores/monitoring_store';
import MonitoringMock, { deploymentData } from '../mock_data';
describe('Area component', () => {
const mockWidgets = 'mockWidgets';
const mockSvgPathContent = 'mockSvgPathContent';
let mockGraphData;
let areaChart;
let spriteSpy;
beforeEach(() => {
const store = new MonitoringStore();
store.storeMetrics(MonitoringMock.data);
store.storeDeploymentData(deploymentData);
[mockGraphData] = store.groups[0].metrics;
areaChart = shallowMount(Area, {
propsData: {
graphData: mockGraphData,
containerWidth: 0,
deploymentData: store.deploymentData,
},
slots: {
default: mockWidgets,
},
});
spriteSpy = spyOnDependency(Area, 'getSvgIconPathContent').and.callFake(
() => new Promise(resolve => resolve(mockSvgPathContent)),
);
});
afterEach(() => {
areaChart.destroy();
});
it('renders chart title', () => {
expect(areaChart.find({ ref: 'graphTitle' }).text()).toBe(mockGraphData.title);
});
it('contains graph widgets from slot', () => {
expect(areaChart.find({ ref: 'graphWidgets' }).text()).toBe(mockWidgets);
});
describe('wrapped components', () => {
describe('GitLab UI area chart', () => {
let glAreaChart;
beforeEach(() => {
glAreaChart = areaChart.find(GlAreaChart);
});
it('is a Vue instance', () => {
expect(glAreaChart.isVueInstance()).toBe(true);
});
it('receives data properties needed for proper chart render', () => {
const props = glAreaChart.props();
expect(props.data).toBe(areaChart.vm.chartData);
expect(props.option).toBe(areaChart.vm.chartOptions);
expect(props.formatTooltipText).toBe(areaChart.vm.formatTooltipText);
expect(props.thresholds).toBe(areaChart.vm.thresholds);
});
it('recieves a tooltip title', () => {
const mockTitle = 'mockTitle';
areaChart.vm.tooltip.title = mockTitle;
expect(shallowWrapperContainsSlotText(glAreaChart, 'tooltipTitle', mockTitle)).toBe(true);
});
describe('when tooltip is showing deployment data', () => {
beforeEach(() => {
areaChart.vm.tooltip.isDeployment = true;
});
it('uses deployment title', () => {
expect(shallowWrapperContainsSlotText(glAreaChart, 'tooltipTitle', 'Deployed')).toBe(
true,
);
});
it('renders commit sha in tooltip content', () => {
const mockSha = 'mockSha';
areaChart.vm.tooltip.sha = mockSha;
expect(shallowWrapperContainsSlotText(glAreaChart, 'tooltipContent', mockSha)).toBe(true);
});
});
});
});
describe('methods', () => {
describe('formatTooltipText', () => {
const mockDate = deploymentData[0].created_at;
const generateSeriesData = type => ({
seriesData: [
{
seriesName: areaChart.vm.chartData[0].name,
componentSubType: type,
value: [mockDate, 5.55555],
seriesIndex: 0,
},
],
value: mockDate,
});
describe('when series is of line type', () => {
beforeEach(() => {
areaChart.vm.formatTooltipText(generateSeriesData('line'));
});
it('formats tooltip title', () => {
expect(areaChart.vm.tooltip.title).toBe('31 May 2017, 9:23PM');
});
it('formats tooltip content', () => {
expect(areaChart.vm.tooltip.content).toEqual([{ name: 'Core Usage', value: '5.556' }]);
expect(
shallowWrapperContainsSlotText(
areaChart.find(GlAreaChart),
'tooltipContent',
'Core Usage 5.556',
),
).toBe(true);
});
});
describe('when series is of scatter type', () => {
beforeEach(() => {
areaChart.vm.formatTooltipText(generateSeriesData('scatter'));
});
it('formats tooltip title', () => {
expect(areaChart.vm.tooltip.title).toBe('31 May 2017, 9:23PM');
});
it('formats tooltip sha', () => {
expect(areaChart.vm.tooltip.sha).toBe('f5bcd1d9');
});
});
});
describe('setSvg', () => {
const mockSvgName = 'mockSvgName';
beforeEach(() => {
areaChart.vm.setSvg(mockSvgName);
});
it('gets svg path content', () => {
expect(spriteSpy).toHaveBeenCalledWith(mockSvgName);
});
it('sets svg path content', done => {
areaChart.vm.$nextTick(() => {
expect(areaChart.vm.svgs[mockSvgName]).toBe(`path://${mockSvgPathContent}`);
done();
});
});
});
describe('onResize', () => {
const mockWidth = 233;
beforeEach(() => {
spyOn(Element.prototype, 'getBoundingClientRect').and.callFake(() => ({
width: mockWidth,
}));
areaChart.vm.onResize();
});
it('sets area chart width', () => {
expect(areaChart.vm.width).toBe(mockWidth);
});
});
});
describe('computed', () => {
describe('chartData', () => {
let chartData;
const seriesData = () => chartData[0];
beforeEach(() => {
({ chartData } = areaChart.vm);
});
it('utilizes all data points', () => {
expect(chartData.length).toBe(1);
expect(seriesData().data.length).toBe(297);
});
it('creates valid data', () => {
const { data } = seriesData();
expect(
data.filter(([time, value]) => new Date(time).getTime() > 0 && typeof value === 'number')
.length,
).toBe(data.length);
});
it('formats line width correctly', () => {
expect(chartData[0].lineStyle.width).toBe(2);
});
});
describe('scatterSeries', () => {
it('utilizes deployment data', () => {
expect(areaChart.vm.scatterSeries.data).toEqual([
['2017-05-31T21:23:37.881Z', 0],
['2017-05-30T20:08:04.629Z', 0],
['2017-05-30T17:42:38.409Z', 0],
]);
});
});
describe('yAxisLabel', () => {
it('constructs a label for the chart y-axis', () => {
expect(areaChart.vm.yAxisLabel).toBe('CPU');
});
});
});
});