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import 'jquery';
import PrometheusGraph from '~/monitoring/prometheus_graph';
import { prometheusMockData } from './prometheus_mock_data';
describe('PrometheusGraph', () => {
const fixtureName = 'environments/metrics/metrics.html.raw';
const prometheusGraphContainer = '.prometheus-graph';
const prometheusGraphContents = `${prometheusGraphContainer}[graph-type=cpu_values]`;
preloadFixtures(fixtureName);
beforeEach(() => {
loadFixtures(fixtureName);
$('.prometheus-container').data('has-metrics', 'true');
this.prometheusGraph = new PrometheusGraph();
const self = this;
const fakeInit = (metricsResponse) => {
self.prometheusGraph.transformData(metricsResponse);
self.prometheusGraph.createGraph();
};
spyOn(this.prometheusGraph, 'init').and.callFake(fakeInit);
});
it('initializes graph properties', () => {
// Test for the measurements
expect(this.prometheusGraph.margin).toBeDefined();
expect(this.prometheusGraph.marginLabelContainer).toBeDefined();
expect(this.prometheusGraph.originalWidth).toBeDefined();
expect(this.prometheusGraph.originalHeight).toBeDefined();
expect(this.prometheusGraph.height).toBeDefined();
expect(this.prometheusGraph.width).toBeDefined();
expect(this.prometheusGraph.backOffRequestCounter).toBeDefined();
// Test for the graph properties (colors, radius, etc.)
expect(this.prometheusGraph.graphSpecificProperties).toBeDefined();
expect(this.prometheusGraph.commonGraphProperties).toBeDefined();
});
it('transforms the data', () => {
this.prometheusGraph.init(prometheusMockData.metrics);
Object.keys(this.prometheusGraph.graphSpecificProperties, (key) => {
const graphProps = this.prometheusGraph.graphSpecificProperties[key];
expect(graphProps.data).toBeDefined();
expect(graphProps.data.length).toBe(121);
});
});
it('creates two graphs', () => {
this.prometheusGraph.init(prometheusMockData.metrics);
expect($(prometheusGraphContainer).length).toBe(2);
});
describe('Graph contents', () => {
beforeEach(() => {
this.prometheusGraph.init(prometheusMockData.metrics);
});
it('has axis, an area, a line and a overlay', () => {
const $graphContainer = $(prometheusGraphContents).find('.x-axis').parent();
expect($graphContainer.find('.x-axis')).toBeDefined();
expect($graphContainer.find('.y-axis')).toBeDefined();
expect($graphContainer.find('.prometheus-graph-overlay')).toBeDefined();
expect($graphContainer.find('.metric-line')).toBeDefined();
expect($graphContainer.find('.metric-area')).toBeDefined();
});
it('has legends, labels and an extra axis that labels the metrics', () => {
const $prometheusGraphContents = $(prometheusGraphContents);
const $axisLabelContainer = $(prometheusGraphContents).find('.label-x-axis-line').parent();
expect($prometheusGraphContents.find('.label-x-axis-line')).toBeDefined();
expect($prometheusGraphContents.find('.label-y-axis-line')).toBeDefined();
expect($prometheusGraphContents.find('.label-axis-text')).toBeDefined();
expect($prometheusGraphContents.find('.rect-axis-text')).toBeDefined();
expect($axisLabelContainer.find('rect').length).toBe(3);
expect($axisLabelContainer.find('text').length).toBe(4);
});
});
});
describe('PrometheusGraphs UX states', () => {
const fixtureName = 'environments/metrics/metrics.html.raw';
preloadFixtures(fixtureName);
beforeEach(() => {
loadFixtures(fixtureName);
this.prometheusGraph = new PrometheusGraph();
});
it('shows a specified state', () => {
this.prometheusGraph.state = '.js-getting-started';
this.prometheusGraph.updateState();
const $state = $('.js-getting-started');
expect($state).toBeDefined();
expect($('.state-title', $state)).toBeDefined();
expect($('.state-svg', $state)).toBeDefined();
expect($('.state-description', $state)).toBeDefined();
expect($('.state-button', $state)).toBeDefined();
});
});
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