123 lines
4 KiB
JavaScript
123 lines
4 KiB
JavaScript
import Vue from 'vue';
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import MemoryGraph from '~/vue_shared/components/memory_graph.vue';
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import { mockMetrics, mockMedian, mockMedianIndex } from './mock_data';
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const defaultHeight = '25';
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const defaultWidth = '100';
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const createComponent = () => {
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const Component = Vue.extend(MemoryGraph);
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return new Component({
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el: document.createElement('div'),
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propsData: {
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metrics: [],
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deploymentTime: 0,
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width: '',
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height: '',
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pathD: '',
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pathViewBox: '',
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dotX: '',
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dotY: '',
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},
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});
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};
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describe('MemoryGraph', () => {
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let vm;
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let el;
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beforeEach(() => {
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vm = createComponent();
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el = vm.$el;
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});
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describe('data', () => {
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it('should have default data', () => {
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const data = MemoryGraph.data();
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const dataValidator = (dataItem, expectedType, defaultVal) => {
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expect(typeof dataItem).toBe(expectedType);
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expect(dataItem).toBe(defaultVal);
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};
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dataValidator(data.pathD, 'string', '');
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dataValidator(data.pathViewBox, 'string', '');
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dataValidator(data.dotX, 'string', '');
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dataValidator(data.dotY, 'string', '');
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});
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});
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describe('computed', () => {
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describe('getFormattedMedian', () => {
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it('should show human readable median value based on provided median timestamp', () => {
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vm.deploymentTime = mockMedian;
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const formattedMedian = vm.getFormattedMedian;
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expect(formattedMedian.indexOf('Deployed') > -1).toBeTruthy();
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expect(formattedMedian.indexOf('ago') > -1).toBeTruthy();
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});
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});
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});
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describe('methods', () => {
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describe('getMedianMetricIndex', () => {
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it('should return index of closest metric timestamp to that of median', () => {
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const matchingIndex = vm.getMedianMetricIndex(mockMedian, mockMetrics);
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expect(matchingIndex).toBe(mockMedianIndex);
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});
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});
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describe('getGraphPlotValues', () => {
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it('should return Object containing values to plot graph', () => {
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const plotValues = vm.getGraphPlotValues(mockMedian, mockMetrics);
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expect(plotValues.pathD).toBeDefined();
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expect(Array.isArray(plotValues.pathD)).toBeTruthy();
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expect(plotValues.pathViewBox).toBeDefined();
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expect(typeof plotValues.pathViewBox).toBe('object');
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expect(plotValues.dotX).toBeDefined();
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expect(typeof plotValues.dotX).toBe('number');
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expect(plotValues.dotY).toBeDefined();
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expect(typeof plotValues.dotY).toBe('number');
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});
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});
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});
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describe('template', () => {
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it('should render template elements correctly', () => {
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expect(el.classList.contains('memory-graph-container')).toBeTruthy();
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expect(el.querySelector('svg')).toBeDefined();
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});
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it('should render graph when renderGraph is called internally', (done) => {
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const { pathD, pathViewBox, dotX, dotY } = vm.getGraphPlotValues(mockMedian, mockMetrics);
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vm.height = defaultHeight;
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vm.width = defaultWidth;
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vm.pathD = `M ${pathD}`;
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vm.pathViewBox = `0 0 ${pathViewBox.lineWidth} ${pathViewBox.diff}`;
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vm.dotX = dotX;
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vm.dotY = dotY;
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Vue.nextTick(() => {
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const svgEl = el.querySelector('svg');
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expect(svgEl).toBeDefined();
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expect(svgEl.getAttribute('height')).toBe(defaultHeight);
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expect(svgEl.getAttribute('width')).toBe(defaultWidth);
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const pathEl = el.querySelector('path');
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expect(pathEl).toBeDefined();
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expect(pathEl.getAttribute('d')).toBe(`M ${pathD}`);
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expect(pathEl.getAttribute('viewBox')).toBe(`0 0 ${pathViewBox.lineWidth} ${pathViewBox.diff}`);
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const circleEl = el.querySelector('circle');
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expect(circleEl).toBeDefined();
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expect(circleEl.getAttribute('r')).toBe('1.5');
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expect(circleEl.getAttribute('tranform')).toBe('translate(0 -1)');
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expect(circleEl.getAttribute('cx')).toBe(`${dotX}`);
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expect(circleEl.getAttribute('cy')).toBe(`${dotY}`);
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done();
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});
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});
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});
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});
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