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import { GlStackedColumnChart, GlChartLegend } from '@gitlab/ui/dist/charts';
import { shallowMount, mount } from '@vue/test-utils';
import { cloneDeep } from 'lodash';
import timezoneMock from 'timezone-mock';
import { nextTick } from 'vue';
import StackedColumnChart from '~/monitoring/components/charts/stacked_column.vue';
import { stackedColumnGraphData } from '../../graph_data';
jest.mock('~/lib/utils/icon_utils', () => ({
getSvgIconPathContent: jest.fn().mockImplementation((icon) => Promise.resolve(`${icon}-content`)),
}));
describe('Stacked column chart component', () => {
const stackedColumnMockedData = stackedColumnGraphData();
let wrapper;
const findChart = () => wrapper.findComponent(GlStackedColumnChart);
const findLegend = () => wrapper.findComponent(GlChartLegend);
const createWrapper = (props = {}, mountingMethod = shallowMount) =>
mountingMethod(StackedColumnChart, {
propsData: {
graphData: stackedColumnMockedData,
...props,
},
stubs: {
GlPopover: true,
},
attachTo: document.body,
});
beforeEach(() => {
wrapper = createWrapper({}, mount);
});
describe('when graphData is present', () => {
beforeEach(async () => {
createWrapper();
await nextTick();
});
it('chart is rendered', () => {
expect(findChart().exists()).toBe(true);
});
it('data should match the graphData y value for each series', () => {
const data = findChart().props('bars');
data.forEach((series, index) => {
const { values } = stackedColumnMockedData.metrics[index].result[0];
expect(series.data).toEqual(values.map((value) => value[1]));
});
});
it('data should be the same length as the graphData metrics labels', () => {
const barDataProp = findChart().props('bars');
expect(barDataProp).toHaveLength(stackedColumnMockedData.metrics.length);
barDataProp.forEach(({ name }, index) => {
expect(stackedColumnMockedData.metrics[index].label).toBe(name);
});
});
it('group by should be the same as the graphData first metric results', () => {
const groupBy = findChart().props('groupBy');
expect(groupBy).toEqual([
'2015-07-01T20:10:50.000Z',
'2015-07-01T20:12:50.000Z',
'2015-07-01T20:14:50.000Z',
]);
});
it('chart options should configure data zoom and axis label', () => {
const chartOptions = findChart().props('option');
const xAxisType = findChart().props('xAxisType');
expect(chartOptions).toMatchObject({
dataZoom: [{ handleIcon: 'path://scroll-handle-content' }],
xAxis: {
axisLabel: { formatter: expect.any(Function) },
},
});
expect(xAxisType).toBe('category');
});
it('chart options should configure category as x axis type', () => {
const chartOptions = findChart().props('option');
const xAxisType = findChart().props('xAxisType');
expect(chartOptions).toMatchObject({
xAxis: {
type: 'category',
},
});
expect(xAxisType).toBe('category');
});
it('format date is correct', () => {
const { xAxis } = findChart().props('option');
expect(xAxis.axisLabel.formatter('2020-01-30T12:01:00.000Z')).toBe('12:01 PM');
});
describe('when in PT timezone', () => {
beforeAll(() => {
timezoneMock.register('US/Pacific');
});
afterAll(() => {
timezoneMock.unregister();
});
it('date is shown in local time', () => {
const { xAxis } = findChart().props('option');
expect(xAxis.axisLabel.formatter('2020-01-30T12:01:00.000Z')).toBe('4:01 AM');
});
it('date is shown in UTC', async () => {
wrapper.setProps({ timezone: 'UTC' });
await nextTick();
const { xAxis } = findChart().props('option');
expect(xAxis.axisLabel.formatter('2020-01-30T12:01:00.000Z')).toBe('12:01 PM');
});
});
});
describe('when graphData has results missing', () => {
beforeEach(async () => {
const graphData = cloneDeep(stackedColumnMockedData);
graphData.metrics[0].result = null;
createWrapper({ graphData });
await nextTick();
});
it('chart is rendered', () => {
expect(findChart().exists()).toBe(true);
});
});
describe('legend', () => {
beforeEach(() => {
wrapper = createWrapper({}, mount);
});
it('allows user to override legend label texts using props', async () => {
const legendRelatedProps = {
legendMinText: 'legendMinText',
legendMaxText: 'legendMaxText',
legendAverageText: 'legendAverageText',
legendCurrentText: 'legendCurrentText',
};
wrapper.setProps({
...legendRelatedProps,
});
await nextTick();
expect(findChart().props()).toMatchObject(legendRelatedProps);
});
it('should render a tabular legend layout by default', () => {
expect(findLegend().props('layout')).toBe('table');
});
describe('when inline legend layout prop is set', () => {
beforeEach(() => {
wrapper.setProps({
legendLayout: 'inline',
});
});
it('should render an inline legend layout', () => {
expect(findLegend().props('layout')).toBe('inline');
});
});
describe('when table legend layout prop is set', () => {
beforeEach(() => {
wrapper.setProps({
legendLayout: 'table',
});
});
it('should render a tabular legend layout', () => {
expect(findLegend().props('layout')).toBe('table');
});
});
});
});
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