gitlab-org--gitlab-foss/spec/javascripts/monitoring/graph/legend_spec.js
2017-11-06 14:07:10 -06:00

106 lines
3.7 KiB
JavaScript

import Vue from 'vue';
import GraphLegend from '~/monitoring/components/graph/legend.vue';
import measurements from '~/monitoring/utils/measurements';
import createTimeSeries from '~/monitoring/utils/multiple_time_series';
import { singleRowMetricsMultipleSeries, convertDatesMultipleSeries } from '../mock_data';
const createComponent = (propsData) => {
const Component = Vue.extend(GraphLegend);
return new Component({
propsData,
}).$mount();
};
const convertedMetrics = convertDatesMultipleSeries(singleRowMetricsMultipleSeries);
const defaultValuesComponent = {
graphWidth: 500,
graphHeight: 300,
graphHeightOffset: 120,
margin: measurements.large.margin,
measurements: measurements.large,
areaColorRgb: '#f0f0f0',
legendTitle: 'Title',
yAxisLabel: 'Values',
metricUsage: 'Value',
unitOfDisplay: 'Req/Sec',
currentDataIndex: 0,
};
const timeSeries = createTimeSeries(convertedMetrics[0].queries,
defaultValuesComponent.graphWidth, defaultValuesComponent.graphHeight,
defaultValuesComponent.graphHeightOffset);
defaultValuesComponent.timeSeries = timeSeries;
function getTextFromNode(component, selector) {
return component.$el.querySelector(selector).firstChild.nodeValue.trim();
}
describe('GraphLegend', () => {
describe('Computed props', () => {
it('textTransform', () => {
const component = createComponent(defaultValuesComponent);
expect(component.textTransform).toContain('translate(15, 120) rotate(-90)');
});
it('xPosition', () => {
const component = createComponent(defaultValuesComponent);
expect(component.xPosition).toEqual(180);
});
it('yPosition', () => {
const component = createComponent(defaultValuesComponent);
expect(component.yPosition).toEqual(240);
});
it('rectTransform', () => {
const component = createComponent(defaultValuesComponent);
expect(component.rectTransform).toContain('translate(0, 120) rotate(-90)');
});
});
describe('methods', () => {
it('translateLegendGroup should only change Y direction', () => {
const component = createComponent(defaultValuesComponent);
const translatedCoordinate = component.translateLegendGroup(1);
expect(translatedCoordinate.indexOf('translate(0, ')).not.toEqual(-1);
});
it('formatMetricUsage should contain the unit of display and the current value selected via "currentDataIndex"', () => {
const component = createComponent(defaultValuesComponent);
const formattedMetricUsage = component.formatMetricUsage(timeSeries[0]);
const valueFromSeries = timeSeries[0].values[component.currentDataIndex].value;
expect(formattedMetricUsage.indexOf(component.unitOfDisplay)).not.toEqual(-1);
expect(formattedMetricUsage.indexOf(valueFromSeries)).not.toEqual(-1);
});
});
it('has 2 rect-axis-text rect svg elements', () => {
const component = createComponent(defaultValuesComponent);
expect(component.$el.querySelectorAll('.rect-axis-text').length).toEqual(2);
});
it('contains text to signal the usage, title and time with multiple time series', () => {
const component = createComponent(defaultValuesComponent);
const titles = component.$el.querySelectorAll('.legend-metric-title');
expect(titles[0].textContent.indexOf('1xx')).not.toEqual(-1);
expect(titles[1].textContent.indexOf('2xx')).not.toEqual(-1);
expect(getTextFromNode(component, '.y-label-text')).toEqual(component.yAxisLabel);
});
it('should contain the same number of legend groups as the timeSeries length', () => {
const component = createComponent(defaultValuesComponent);
expect(component.$el.querySelectorAll('.legend-group').length).toEqual(component.timeSeries.length);
});
});