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import { shallowMount } from '@vue/test-utils';
import { GlHeatmap } from '@gitlab/ui/dist/charts';
import Heatmap from '~/monitoring/components/charts/heatmap.vue';
import { graphDataPrometheusQueryRangeMultiTrack } from '../../mock_data';
describe('Heatmap component', () => {
let heatmapChart;
let store;
beforeEach(() => {
heatmapChart = shallowMount(Heatmap, {
propsData: {
graphData: graphDataPrometheusQueryRangeMultiTrack,
containerWidth: 100,
},
store,
});
});
afterEach(() => {
heatmapChart.destroy();
});
describe('wrapped components', () => {
describe('GitLab UI heatmap chart', () => {
let glHeatmapChart;
beforeEach(() => {
glHeatmapChart = heatmapChart.find(GlHeatmap);
});
it('is a Vue instance', () => {
expect(glHeatmapChart.isVueInstance()).toBe(true);
});
it('should display a label on the x axis', () => {
expect(heatmapChart.vm.xAxisName).toBe(graphDataPrometheusQueryRangeMultiTrack.x_label);
});
it('should display a label on the y axis', () => {
expect(heatmapChart.vm.yAxisName).toBe(graphDataPrometheusQueryRangeMultiTrack.y_label);
});
// According to the echarts docs https://echarts.apache.org/en/option.html#series-heatmap.data
// each row of the heatmap chart is represented by an array inside another parent array
// e.g. [[0, 0, 10]], the format represents the column, the row and finally the value
// corresponding to the cell
it('should return chartData with a length of x by y, with a length of 3 per array', () => {
const row = heatmapChart.vm.chartData[0];
expect(row.length).toBe(3);
expect(heatmapChart.vm.chartData.length).toBe(30);
});
it('returns a series of labels for the x axis', () => {
const { xAxisLabels } = heatmapChart.vm;
expect(xAxisLabels.length).toBe(5);
});
it('returns a series of labels for the y axis', () => {
const { yAxisLabels } = heatmapChart.vm;
expect(yAxisLabels.length).toBe(6);
});
});
});
});
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