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ExemplarsPlugin.test.tsx
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ExemplarsPlugin.test.tsx
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import { MutableDataFrame, Field } from '@grafana/data/src';
import { UPlotConfigBuilder } from '@grafana/ui/src';
import { getVisibleLabels, VisibleExemplarLabels } from './ExemplarsPlugin';
describe('getVisibleLabels()', () => {
const dataFrameSeries1 = new MutableDataFrame({
name: 'tns/app',
fields: [
{
name: 'Time',
values: [1670418750000, 1670418765000, 1670418780000, 1670418795000],
entities: {},
},
{
name: 'Value',
labels: {
job: 'tns/app',
},
values: [0.018963114754098367, 0.019140624999999974, 0.019718309859154928, 0.020064189189189167],
},
] as unknown as Field[],
length: 4,
});
const dataFrameSeries2 = new MutableDataFrame({
name: 'tns/db',
fields: [
{
name: 'Time',
values: [1670418750000, 1670418765000, 1670418780000, 1670418795000],
entities: {},
},
{
name: 'Value',
labels: {
job: 'tns/db',
},
values: [0.028963114754098367, 0.029140624999999974, 0.029718309859154928, 0.030064189189189167],
},
] as unknown as Field[],
length: 4,
});
const dataFrameSeries3 = new MutableDataFrame({
name: 'tns/loadgen',
fields: [
{
name: 'Time',
values: [1670418750000, 1670418765000, 1670418780000, 1670418795000],
entities: {},
},
{
name: 'Value',
labels: {
job: 'tns/loadgen',
},
values: [0.028963114754098367, 0.029140624999999974, 0.029718309859154928, 0.030064189189189167],
},
] as unknown as Field[],
length: 4,
});
const frames = [dataFrameSeries1, dataFrameSeries2, dataFrameSeries3];
const config: UPlotConfigBuilder = {
addHook: (type, hook) => {},
series: [
{
props: {
dataFrameFieldIndex: { frameIndex: 0, fieldIndex: 1 },
show: true,
},
},
{
props: {
dataFrameFieldIndex: { frameIndex: 1, fieldIndex: 1 },
show: true,
},
},
{
props: {
dataFrameFieldIndex: { frameIndex: 2, fieldIndex: 1 },
show: false,
},
},
],
} as UPlotConfigBuilder;
it('function should only return labels associated with actively visible series', () => {
const expected: VisibleExemplarLabels = {
totalSeriesCount: 3,
labels: [
{
color: '',
labels: {
job: 'tns/app',
},
},
{
color: '',
labels: {
job: 'tns/db',
},
},
],
};
// Base case
expect(getVisibleLabels(config, [])).toEqual({ totalSeriesCount: 3, labels: [] });
expect(getVisibleLabels(config, frames)).toEqual(expected);
});
});