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import Vue from 'vue';
import _ from 'underscore';
import Graph from '~/monitoring/components/graph.vue';
import MonitoringMixins from '~/monitoring/mixins/monitoring_mixins';
import eventHub from '~/monitoring/event_hub';
import { deploymentData, singleRowMetrics } from './mock_data';
const createComponent = (propsData) => {
const Component = Vue.extend(Graph);
return new Component({
propsData,
}).$mount();
};
describe('Graph', () => {
beforeEach(() => {
spyOn(MonitoringMixins.methods, 'formatDeployments').and.returnValue({});
});
it('has a title', () => {
const component = createComponent({
graphData: singleRowMetrics[0],
classType: 'col-md-6',
updateAspectRatio: false,
deploymentData,
});
expect(component.$el.querySelector('.text-center').innerText.trim()).toBe(component.graphData.title);
});
it('creates a path for the line and area of the graph', (done) => {
const component = createComponent({
graphData: singleRowMetrics[0],
classType: 'col-md-6',
updateAspectRatio: false,
deploymentData,
});
Vue.nextTick(() => {
expect(component.area).toBeDefined();
expect(component.line).toBeDefined();
expect(typeof component.area).toEqual('string');
expect(typeof component.line).toEqual('string');
expect(_.isFunction(component.xScale)).toBe(true);
expect(_.isFunction(component.yScale)).toBe(true);
done();
});
});
describe('Computed props', () => {
it('axisTransform translates an element Y position depending of its height', () => {
const component = createComponent({
graphData: singleRowMetrics[0],
classType: 'col-md-6',
updateAspectRatio: false,
deploymentData,
});
const transformedHeight = `${component.graphHeight - 100}`;
expect(component.axisTransform.indexOf(transformedHeight))
.not.toEqual(-1);
});
it('outterViewBox gets a width and height property based on the DOM size of the element', () => {
const component = createComponent({
graphData: singleRowMetrics[0],
classType: 'col-md-6',
updateAspectRatio: false,
deploymentData,
});
const viewBoxArray = component.outterViewBox.split(' ');
expect(typeof component.outterViewBox).toEqual('string');
expect(viewBoxArray[2]).toEqual(component.graphWidth.toString());
expect(viewBoxArray[3]).toEqual(component.graphHeight.toString());
});
});
it('sends an event to the eventhub when it has finished resizing', (done) => {
const component = createComponent({
graphData: singleRowMetrics[0],
classType: 'col-md-6',
updateAspectRatio: false,
deploymentData,
});
spyOn(eventHub, '$emit');
component.updateAspectRatio = true;
Vue.nextTick(() => {
expect(eventHub.$emit).toHaveBeenCalled();
done();
});
});
it('has a title for the y-axis and the chart legend that comes from the backend', () => {
const component = createComponent({
graphData: singleRowMetrics[0],
classType: 'col-md-6',
updateAspectRatio: false,
deploymentData,
});
expect(component.yAxisLabel).toEqual(component.graphData.y_label);
expect(component.legendTitle).toEqual(component.graphData.queries[0].label);
});
});
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