Add karma test for time_series.vue
New spec file for time_series.vue written using karma. New spec extends the spec from area.vue
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Miguel Rincon
parent
07d349092e
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1 changed files with 0 additions and 321 deletions
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import { shallowMount } from '@vue/test-utils';
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import { createStore } from '~/monitoring/stores';
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import { GlLink } from '@gitlab/ui';
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import { GlAreaChart, GlLineChart, GlChartSeriesLabel } from '@gitlab/ui/dist/charts';
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import { getSvgIconPathContent } from '~/lib/utils/icon_utils';
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import TimeSeries from '~/monitoring/components/charts/time_series.vue';
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import * as types from '~/monitoring/stores/mutation_types';
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import { TEST_HOST } from 'helpers/test_constants';
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import { shallowWrapperContainsSlotText } from '../../../helpers/vue_test_utils_helper';
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import MonitoringMock, { deploymentData } from '../../../../javascripts/monitoring/mock_data';
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jest.mock('~/lib/utils/icon_utils');
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describe('Time Series component', () => {
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const mockSha = 'mockSha';
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const mockWidgets = 'mockWidgets';
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const mockSvgPathContent = 'mockSvgPathContent';
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const projectPath = `${TEST_HOST}/path/to/project`;
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const commitUrl = `${projectPath}/commit/${mockSha}`;
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let mockGraphData;
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let timeSeriesChart;
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let spriteSpy;
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let store;
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beforeEach(() => {
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store = createStore();
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store.commit(`monitoringDashboard/${types.RECEIVE_METRICS_DATA_SUCCESS}`, MonitoringMock.data);
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store.commit(`monitoringDashboard/${types.RECEIVE_DEPLOYMENTS_DATA_SUCCESS}`, deploymentData);
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store.dispatch('monitoringDashboard/setFeatureFlags', { exportMetricsToCsvEnabled: true });
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[mockGraphData] = store.state.monitoringDashboard.groups[0].metrics;
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getSvgIconPathContent.mockResolvedValue('mockSvgPathContent');
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window.URL.createObjectURL = jest.fn();
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timeSeriesChart = shallowMount(TimeSeries, {
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propsData: {
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graphData: mockGraphData,
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containerWidth: 0,
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deploymentData: store.state.monitoringDashboard.deploymentData,
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projectPath,
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},
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slots: {
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default: mockWidgets,
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},
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store,
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});
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});
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afterEach(() => {
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timeSeriesChart.destroy();
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window.URL.createObjectURL.mockReset();
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});
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it('renders chart title', () => {
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expect(timeSeriesChart.find({ ref: 'graphTitle' }).text()).toBe(mockGraphData.title);
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});
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it('contains graph widgets from slot', () => {
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expect(timeSeriesChart.find({ ref: 'graphWidgets' }).text()).toBe(mockWidgets);
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});
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describe('wrapped components', () => {
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describe('GitLab UI area chart', () => {
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let glAreaChart;
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let glLineChart;
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beforeEach(() => {
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glAreaChart = timeSeriesChart.find(GlAreaChart);
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glLineChart = timeSeriesChart.find(GlLineChart);
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});
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it('area chart is present and a Vue instance', () => {
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expect(glAreaChart.isVueInstance()).toBe(true);
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});
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it('line chart is not present', () => {
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expect(glLineChart.exists()).toBe(false);
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});
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describe('computed', () => {
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describe('chartData', () => {
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let chartData;
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beforeEach(() => {
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({ chartData } = timeSeriesChart.vm);
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});
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it('has area style defined', () => {
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expect(chartData[0].areaStyle).toBeDefined();
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});
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})
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})
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})
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describe('GitLab UI line chart', () => {
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let glLineChart;
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beforeEach(() => {
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glLineChart = timeSeriesChart.find(GlLineChart);
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});
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it('is a Vue instance', () => {
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expect(glLineChart.isVueInstance()).toBe(true);
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});
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it('receives data properties needed for proper chart render', () => {
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const props = glLineChart.props();
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expect(props.data).toBe(timeSeriesChart.vm.chartData);
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expect(props.option).toBe(timeSeriesChart.vm.chartOptions);
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expect(props.formatTooltipText).toBe(timeSeriesChart.vm.formatTooltipText);
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expect(props.thresholds).toBe(timeSeriesChart.vm.thresholds);
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});
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it('recieves a tooltip title', () => {
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const mockTitle = 'mockTitle';
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timeSeriesChart.vm.tooltip.title = mockTitle;
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expect(shallowWrapperContainsSlotText(glLineChart, 'tooltipTitle', mockTitle)).toBe(true);
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});
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describe('when tooltip is showing deployment data', () => {
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beforeEach(() => {
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timeSeriesChart.vm.tooltip.isDeployment = true;
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});
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it('uses deployment title', () => {
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expect(shallowWrapperContainsSlotText(glLineChart, 'tooltipTitle', 'Deployed')).toBe(
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true,
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);
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});
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it('renders clickable commit sha in tooltip content', () => {
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timeSeriesChart.vm.tooltip.sha = mockSha;
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timeSeriesChart.vm.tooltip.commitUrl = commitUrl;
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const commitLink = timeSeriesChart.find(GlLink);
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expect(shallowWrapperContainsSlotText(commitLink, 'default', mockSha)).toBe(true);
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expect(commitLink.attributes('href')).toEqual(commitUrl);
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});
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});
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});
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});
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describe('when exportMetricsToCsvEnabled is disabled', () => {
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beforeEach(() => {
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store.dispatch('monitoringDashboard/setFeatureFlags', { exportMetricsToCsvEnabled: false });
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});
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it('does not render the Download CSV button', () => {
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expect(timeSeriesChart.contains('glbutton-stub')).toBe(false);
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});
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});
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describe('methods', () => {
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describe('formatTooltipText', () => {
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const mockDate = deploymentData[0].created_at;
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const generateSeriesData = type => ({
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seriesData: [
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{
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seriesName: timeSeriesChart.vm.chartData[0].name,
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componentSubType: type,
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value: [mockDate, 5.55555],
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seriesIndex: 0,
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},
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],
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value: mockDate,
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});
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describe('when series is of line type', () => {
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beforeEach(() => {
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timeSeriesChart.vm.formatTooltipText(generateSeriesData('line'));
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});
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it('formats tooltip title', () => {
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expect(timeSeriesChart.vm.tooltip.title).toBe('31 May 2017, 9:23PM');
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});
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it('formats tooltip content', () => {
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const name = 'Core Usage';
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const value = '5.556';
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const seriesLabel = timeSeriesChart.find(GlChartSeriesLabel);
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expect(seriesLabel.vm.color).toBe('');
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expect(shallowWrapperContainsSlotText(seriesLabel, 'default', name)).toBe(true);
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expect(timeSeriesChart.vm.tooltip.content).toEqual([{ name, value, color: undefined }]);
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expect(
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shallowWrapperContainsSlotText(timeSeriesChart.find(GlAreaChart), 'tooltipContent', value),
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).toBe(true);
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});
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});
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describe('when series is of scatter type', () => {
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beforeEach(() => {
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timeSeriesChart.vm.formatTooltipText(generateSeriesData('scatter'));
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});
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it('formats tooltip title', () => {
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expect(timeSeriesChart.vm.tooltip.title).toBe('31 May 2017, 9:23PM');
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});
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it('formats tooltip sha', () => {
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expect(timeSeriesChart.vm.tooltip.sha).toBe('f5bcd1d9');
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});
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});
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});
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describe('setSvg', () => {
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const mockSvgName = 'mockSvgName';
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beforeEach(() => {
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timeSeriesChart.vm.setSvg(mockSvgName);
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});
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it('gets svg path content', () => {
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expect(getSvgIconPathContent).toHaveBeenCalledWith(mockSvgName);
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});
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it('sets svg path content', done => {
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timeSeriesChart.vm.$nextTick(() => {
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expect(timeSeriesChart.vm.svgs[mockSvgName]).toBe(`path://${mockSvgPathContent}`);
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done();
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});
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});
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});
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describe('onResize', () => {
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const mockWidth = 233;
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beforeEach(() => {
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jest.spyOn(Element.prototype, 'getBoundingClientRect').and.callFake(() => ({
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width: mockWidth,
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}));
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timeSeriesChart.vm.onResize();
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});
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it('sets time series chart width', () => {
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expect(timeSeriesChart.vm.width).toBe(mockWidth);
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});
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});
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});
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describe('computed', () => {
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describe('chartData', () => {
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let chartData;
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const seriesData = () => chartData[0];
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beforeEach(() => {
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({ chartData } = timeSeriesChart.vm);
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});
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it('utilizes all data points', () => {
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expect(chartData.length).toBe(1);
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expect(seriesData().data.length).toBe(297);
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});
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it('creates valid data', () => {
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const { data } = seriesData();
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expect(
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data.filter(([time, value]) => new Date(time).getTime() > 0 && typeof value === 'number')
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.length,
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).toBe(data.length);
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});
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it('formats line width correctly', () => {
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expect(chartData[0].lineStyle.width).toBe(2);
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});
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});
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describe('chartOptions', () => {
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describe('yAxis formatter', () => {
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let format;
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beforeEach(() => {
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format = timeSeriesChart.vm.chartOptions.yAxis.axisLabel.formatter;
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});
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it('rounds to 3 decimal places', () => {
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expect(format(0.88888)).toBe('0.889');
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});
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});
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});
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describe('scatterSeries', () => {
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it('utilizes deployment data', () => {
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expect(timeSeriesChart.vm.scatterSeries.data).toEqual([
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['2017-05-31T21:23:37.881Z', 0],
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['2017-05-30T20:08:04.629Z', 0],
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['2017-05-30T17:42:38.409Z', 0],
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]);
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});
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});
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describe('yAxisLabel', () => {
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it('constructs a label for the chart y-axis', () => {
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expect(timeSeriesChart.vm.yAxisLabel).toBe('CPU');
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});
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});
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describe('csvText', () => {
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it('converts data from json to csv', () => {
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const header = `timestamp,${mockGraphData.y_label}`;
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const data = mockGraphData.queries[0].result[0].values;
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const firstRow = `${data[0][0]},${data[0][1]}`;
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expect(timeSeriesChart.vm.csvText).toMatch(`^${header}\r\n${firstRow}`);
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});
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});
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describe('downloadLink', () => {
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it('produces a link to download metrics as csv', () => {
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const link = timeSeriesChart.vm.downloadLink;
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expect(link).toContain('blob:');
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});
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});
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});
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});
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