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import { shallowMount } from '@vue/test-utils';
import AxiosMockAdapter from 'axios-mock-adapter';
import { setTestTimeout } from 'helpers/timeout';
import invalidUrl from '~/lib/utils/invalid_url';
import axios from '~/lib/utils/axios_utils';
import PanelType from '~/monitoring/components/panel_type.vue';
import EmptyChart from '~/monitoring/components/charts/empty_chart.vue';
import TimeSeriesChart from '~/monitoring/components/charts/time_series.vue';
import AnomalyChart from '~/monitoring/components/charts/anomaly.vue';
import { anomalyMockGraphData, graphDataPrometheusQueryRange } from 'jest/monitoring/mock_data';
import { createStore } from '~/monitoring/stores';
global.IS_EE = true;
global.URL.createObjectURL = jest.fn();
const mocks = {
$toast: {
show: jest.fn(),
},
};
describe('Panel Type component', () => {
let axiosMock;
let store;
let state;
let wrapper;
const exampleText = 'example_text';
const findCopyLink = () => wrapper.find({ ref: 'copyChartLink' });
const createWrapper = props => {
wrapper = shallowMount(PanelType, {
propsData: {
...props,
},
store,
mocks,
});
};
beforeEach(() => {
setTestTimeout(1000);
store = createStore();
state = store.state.monitoringDashboard;
axiosMock = new AxiosMockAdapter(axios);
});
afterEach(() => {
axiosMock.reset();
});
describe('When no graphData is available', () => {
let glEmptyChart;
// Deep clone object before modifying
const graphDataNoResult = JSON.parse(JSON.stringify(graphDataPrometheusQueryRange));
graphDataNoResult.metrics[0].result = [];
beforeEach(() => {
createWrapper({
graphData: graphDataNoResult,
});
});
afterEach(() => {
wrapper.destroy();
});
describe('Empty Chart component', () => {
beforeEach(() => {
glEmptyChart = wrapper.find(EmptyChart);
});
it('renders the chart title', () => {
expect(wrapper.find({ ref: 'graphTitle' }).text()).toBe(graphDataNoResult.title);
});
it('renders the no download csv link', () => {
expect(wrapper.find({ ref: 'downloadCsvLink' }).exists()).toBe(false);
});
it('does not contain graph widgets', () => {
expect(wrapper.find('.js-graph-widgets').exists()).toBe(false);
});
it('is a Vue instance', () => {
expect(glEmptyChart.isVueInstance()).toBe(true);
});
it('it receives a graph title', () => {
const props = glEmptyChart.props();
expect(props.graphTitle).toBe(wrapper.vm.graphData.title);
});
});
});
describe('when graph data is available', () => {
beforeEach(() => {
createWrapper({
graphData: graphDataPrometheusQueryRange,
});
});
afterEach(() => {
wrapper.destroy();
});
it('renders the chart title', () => {
expect(wrapper.find({ ref: 'graphTitle' }).text()).toBe(graphDataPrometheusQueryRange.title);
});
it('contains graph widgets', () => {
expect(wrapper.find('.js-graph-widgets').exists()).toBe(true);
expect(wrapper.find({ ref: 'downloadCsvLink' }).exists()).toBe(true);
});
it('sets no clipboard copy link on dropdown by default', () => {
expect(findCopyLink().exists()).toBe(false);
});
describe('Time Series Chart panel type', () => {
it('is rendered', () => {
expect(wrapper.find(TimeSeriesChart).isVueInstance()).toBe(true);
expect(wrapper.find(TimeSeriesChart).exists()).toBe(true);
});
it('includes a default group id', () => {
expect(wrapper.vm.groupId).toBe('panel-type-chart');
});
});
describe('Anomaly Chart panel type', () => {
beforeEach(() => {
wrapper.setProps({
graphData: anomalyMockGraphData,
});
return wrapper.vm.$nextTick();
});
it('is rendered with an anomaly chart', () => {
expect(wrapper.find(AnomalyChart).isVueInstance()).toBe(true);
expect(wrapper.find(AnomalyChart).exists()).toBe(true);
});
});
});
describe('View Logs dropdown item', () => {
const mockLogsPath = '/path/to/logs';
const mockTimeRange = { duration: { seconds: 120 } };
const findTimeChart = () => wrapper.find({ ref: 'timeChart' });
const findViewLogsLink = () => wrapper.find({ ref: 'viewLogsLink' });
beforeEach(() => {
createWrapper({
graphData: graphDataPrometheusQueryRange,
});
return wrapper.vm.$nextTick();
});
it('is not present by default', () =>
wrapper.vm.$nextTick(() => {
expect(findViewLogsLink().exists()).toBe(false);
}));
it('is not present if a time range is not set', () => {
state.logsPath = mockLogsPath;
state.timeRange = null;
return wrapper.vm.$nextTick(() => {
expect(findViewLogsLink().exists()).toBe(false);
});
});
it('is not present if the logs path is default', () => {
state.logsPath = invalidUrl;
state.timeRange = mockTimeRange;
return wrapper.vm.$nextTick(() => {
expect(findViewLogsLink().exists()).toBe(false);
});
});
it('is not present if the logs path is not set', () => {
state.logsPath = null;
state.timeRange = mockTimeRange;
return wrapper.vm.$nextTick(() => {
expect(findViewLogsLink().exists()).toBe(false);
});
});
it('is present when logs path and time a range is present', () => {
state.logsPath = mockLogsPath;
state.timeRange = mockTimeRange;
return wrapper.vm.$nextTick(() => {
const href = `${mockLogsPath}?duration_seconds=${mockTimeRange.duration.seconds}`;
expect(findViewLogsLink().attributes('href')).toMatch(href);
});
});
it('it is overriden when a datazoom event is received', () => {
state.logsPath = mockLogsPath;
state.timeRange = mockTimeRange;
const zoomedTimeRange = {
start: '2020-01-01T00:00:00.000Z',
end: '2020-01-01T01:00:00.000Z',
};
findTimeChart().vm.$emit('datazoom', zoomedTimeRange);
return wrapper.vm.$nextTick(() => {
const start = encodeURIComponent(zoomedTimeRange.start);
const end = encodeURIComponent(zoomedTimeRange.end);
expect(findViewLogsLink().attributes('href')).toMatch(
`${mockLogsPath}?start=${start}&end=${end}`,
);
});
});
});
describe('when cliboard data is available', () => {
const clipboardText = 'A value to copy.';
beforeEach(() => {
createWrapper({
clipboardText,
graphData: graphDataPrometheusQueryRange,
});
});
afterEach(() => {
wrapper.destroy();
});
it('sets clipboard text on the dropdown', () => {
expect(findCopyLink().exists()).toBe(true);
expect(findCopyLink().element.dataset.clipboardText).toBe(clipboardText);
});
it('adds a copy button to the dropdown', () => {
expect(findCopyLink().text()).toContain('Generate link to chart');
});
it('opens a toast on click', () => {
findCopyLink().vm.$emit('click');
expect(wrapper.vm.$toast.show).toHaveBeenCalled();
});
});
describe('when downloading metrics data as CSV', () => {
beforeEach(() => {
graphDataPrometheusQueryRange.y_label = 'metric';
wrapper = shallowMount(PanelType, {
propsData: {
clipboardText: exampleText,
graphData: graphDataPrometheusQueryRange,
},
store,
});
return wrapper.vm.$nextTick();
});
afterEach(() => {
wrapper.destroy();
});
describe('csvText', () => {
it('converts metrics data from json to csv', () => {
const header = `timestamp,${graphDataPrometheusQueryRange.y_label}`;
const data = graphDataPrometheusQueryRange.metrics[0].result[0].values;
const firstRow = `${data[0][0]},${data[0][1]}`;
const secondRow = `${data[1][0]},${data[1][1]}`;
expect(wrapper.vm.csvText).toBe(`${header}\r\n${firstRow}\r\n${secondRow}\r\n`);
});
});
describe('downloadCsv', () => {
it('produces a link with a Blob', () => {
expect(global.URL.createObjectURL).toHaveBeenLastCalledWith(expect.any(Blob));
expect(global.URL.createObjectURL).toHaveBeenLastCalledWith(
expect.objectContaining({
size: wrapper.vm.csvText.length,
type: 'text/plain',
}),
);
});
});
});
});
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