debian-mirror-gitlab/spec/frontend/monitoring/utils_spec.js
2020-05-24 23:13:21 +05:30

512 lines
17 KiB
JavaScript

import * as monitoringUtils from '~/monitoring/utils';
import * as urlUtils from '~/lib/utils/url_utility';
import { TEST_HOST } from 'jest/helpers/test_constants';
import {
mockProjectDir,
singleStatMetricsResult,
anomalyMockGraphData,
barMockData,
} from './mock_data';
import { metricsDashboardViewModel, graphData } from './fixture_data';
const mockPath = `${TEST_HOST}${mockProjectDir}/-/environments/29/metrics`;
const generatedLink = 'http://chart.link.com';
const chartTitle = 'Some metric chart';
const range = {
start: '2019-01-01T00:00:00.000Z',
end: '2019-01-10T00:00:00.000Z',
};
const rollingRange = {
duration: { seconds: 120 },
};
describe('monitoring/utils', () => {
describe('trackGenerateLinkToChartEventOptions', () => {
it('should return Cluster Monitoring options if located on Cluster Health Dashboard', () => {
document.body.dataset.page = 'groups:clusters:show';
expect(monitoringUtils.generateLinkToChartOptions(generatedLink)).toEqual({
category: 'Cluster Monitoring',
action: 'generate_link_to_cluster_metric_chart',
label: 'Chart link',
property: generatedLink,
});
});
it('should return Incident Management event options if located on Metrics Dashboard', () => {
document.body.dataset.page = 'metrics:show';
expect(monitoringUtils.generateLinkToChartOptions(generatedLink)).toEqual({
category: 'Incident Management::Embedded metrics',
action: 'generate_link_to_metrics_chart',
label: 'Chart link',
property: generatedLink,
});
});
});
describe('trackDownloadCSVEvent', () => {
it('should return Cluster Monitoring options if located on Cluster Health Dashboard', () => {
document.body.dataset.page = 'groups:clusters:show';
expect(monitoringUtils.downloadCSVOptions(chartTitle)).toEqual({
category: 'Cluster Monitoring',
action: 'download_csv_of_cluster_metric_chart',
label: 'Chart title',
property: chartTitle,
});
});
it('should return Incident Management event options if located on Metrics Dashboard', () => {
document.body.dataset.page = 'metriss:show';
expect(monitoringUtils.downloadCSVOptions(chartTitle)).toEqual({
category: 'Incident Management::Embedded metrics',
action: 'download_csv_of_metrics_dashboard_chart',
label: 'Chart title',
property: chartTitle,
});
});
});
describe('graphDataValidatorForValues', () => {
/*
* When dealing with a metric using the query format, e.g.
* query: 'max(go_memstats_alloc_bytes{job="prometheus"}) by (job) /1024/1024'
* the validator will look for the `value` key instead of `values`
*/
it('validates data with the query format', () => {
const validGraphData = monitoringUtils.graphDataValidatorForValues(
true,
singleStatMetricsResult,
);
expect(validGraphData).toBe(true);
});
/*
* When dealing with a metric using the query?range format, e.g.
* query_range: 'avg(sum(container_memory_usage_bytes{container_name!="POD",pod_name=~"^%{ci_environment_slug}-(.*)",namespace="%{kube_namespace}"}) by (job)) without (job) /1024/1024/1024',
* the validator will look for the `values` key instead of `value`
*/
it('validates data with the query_range format', () => {
const validGraphData = monitoringUtils.graphDataValidatorForValues(false, graphData);
expect(validGraphData).toBe(true);
});
});
describe('graphDataValidatorForAnomalyValues', () => {
let oneMetric;
let threeMetrics;
let fourMetrics;
beforeEach(() => {
oneMetric = singleStatMetricsResult;
threeMetrics = anomalyMockGraphData;
const metrics = [...threeMetrics.metrics];
metrics.push(threeMetrics.metrics[0]);
fourMetrics = {
...anomalyMockGraphData,
metrics,
};
});
/*
* Anomaly charts can accept results for exactly 3 metrics,
*/
it('validates passes with the right query format', () => {
expect(monitoringUtils.graphDataValidatorForAnomalyValues(threeMetrics)).toBe(true);
});
it('validation fails for wrong format, 1 metric', () => {
expect(monitoringUtils.graphDataValidatorForAnomalyValues(oneMetric)).toBe(false);
});
it('validation fails for wrong format, more than 3 metrics', () => {
expect(monitoringUtils.graphDataValidatorForAnomalyValues(fourMetrics)).toBe(false);
});
});
describe('timeRangeFromUrl', () => {
beforeEach(() => {
jest.spyOn(urlUtils, 'queryToObject');
});
afterEach(() => {
urlUtils.queryToObject.mockRestore();
});
const { timeRangeFromUrl } = monitoringUtils;
it('returns a fixed range when query contains `start` and `end` parameters are given', () => {
urlUtils.queryToObject.mockReturnValueOnce(range);
expect(timeRangeFromUrl()).toEqual(range);
});
it('returns a rolling range when query contains `duration_seconds` parameters are given', () => {
const { seconds } = rollingRange.duration;
urlUtils.queryToObject.mockReturnValueOnce({
dashboard: '.gitlab/dashboard/my_dashboard.yml',
duration_seconds: `${seconds}`,
});
expect(timeRangeFromUrl()).toEqual(rollingRange);
});
it('returns null when no time range parameters are given', () => {
urlUtils.queryToObject.mockReturnValueOnce({
dashboard: '.gitlab/dashboards/custom_dashboard.yml',
param1: 'value1',
param2: 'value2',
});
expect(timeRangeFromUrl()).toBe(null);
});
});
describe('getPromCustomVariablesFromUrl', () => {
const { getPromCustomVariablesFromUrl } = monitoringUtils;
beforeEach(() => {
jest.spyOn(urlUtils, 'queryToObject');
});
afterEach(() => {
urlUtils.queryToObject.mockRestore();
});
it('returns an object with only the custom variables', () => {
urlUtils.queryToObject.mockReturnValueOnce({
dashboard: '.gitlab/dashboards/custom_dashboard.yml',
y_label: 'memory usage',
group: 'kubernetes',
title: 'Kubernetes memory total',
start: '2020-05-06',
end: '2020-05-07',
duration_seconds: '86400',
direction: 'left',
anchor: 'top',
pod: 'POD',
'var-pod': 'POD',
});
expect(getPromCustomVariablesFromUrl()).toEqual(expect.objectContaining({ pod: 'POD' }));
});
it('returns an empty object when no custom variables are present', () => {
urlUtils.queryToObject.mockReturnValueOnce({
dashboard: '.gitlab/dashboards/custom_dashboard.yml',
});
expect(getPromCustomVariablesFromUrl()).toStrictEqual({});
});
});
describe('removeTimeRangeParams', () => {
const { removeTimeRangeParams } = monitoringUtils;
it('returns when query contains `start` and `end` parameters are given', () => {
expect(removeTimeRangeParams(`${mockPath}?start=${range.start}&end=${range.end}`)).toEqual(
mockPath,
);
});
});
describe('timeRangeToUrl', () => {
const { timeRangeToUrl } = monitoringUtils;
beforeEach(() => {
jest.spyOn(urlUtils, 'mergeUrlParams');
jest.spyOn(urlUtils, 'removeParams');
});
afterEach(() => {
urlUtils.mergeUrlParams.mockRestore();
urlUtils.removeParams.mockRestore();
});
it('returns a fixed range when query contains `start` and `end` parameters are given', () => {
const toUrl = `${mockPath}?start=${range.start}&end=${range.end}`;
const fromUrl = mockPath;
urlUtils.removeParams.mockReturnValueOnce(fromUrl);
urlUtils.mergeUrlParams.mockReturnValueOnce(toUrl);
expect(timeRangeToUrl(range)).toEqual(toUrl);
expect(urlUtils.mergeUrlParams).toHaveBeenCalledWith(range, fromUrl);
});
it('returns a rolling range when query contains `duration_seconds` parameters are given', () => {
const { seconds } = rollingRange.duration;
const toUrl = `${mockPath}?duration_seconds=${seconds}`;
const fromUrl = mockPath;
urlUtils.removeParams.mockReturnValueOnce(fromUrl);
urlUtils.mergeUrlParams.mockReturnValueOnce(toUrl);
expect(timeRangeToUrl(rollingRange)).toEqual(toUrl);
expect(urlUtils.mergeUrlParams).toHaveBeenCalledWith(
{ duration_seconds: `${seconds}` },
fromUrl,
);
});
});
describe('expandedPanelPayloadFromUrl', () => {
const { expandedPanelPayloadFromUrl } = monitoringUtils;
const [panelGroup] = metricsDashboardViewModel.panelGroups;
const [panel] = panelGroup.panels;
const { group } = panelGroup;
const { title, y_label: yLabel } = panel;
it('returns payload for a panel when query parameters are given', () => {
const search = `?group=${group}&title=${title}&y_label=${yLabel}`;
expect(expandedPanelPayloadFromUrl(metricsDashboardViewModel, search)).toEqual({
group: panelGroup.group,
panel,
});
});
it('returns null when no parameters are given', () => {
expect(expandedPanelPayloadFromUrl(metricsDashboardViewModel, '')).toBe(null);
});
it('throws an error when no group is provided', () => {
const search = `?title=${panel.title}&y_label=${yLabel}`;
expect(() => expandedPanelPayloadFromUrl(metricsDashboardViewModel, search)).toThrow();
});
it('throws an error when no title is provided', () => {
const search = `?title=${title}&y_label=${yLabel}`;
expect(() => expandedPanelPayloadFromUrl(metricsDashboardViewModel, search)).toThrow();
});
it('throws an error when no y_label group is provided', () => {
const search = `?group=${group}&title=${title}`;
expect(() => expandedPanelPayloadFromUrl(metricsDashboardViewModel, search)).toThrow();
});
test.each`
group | title | yLabel | missingField
${'NOT_A_GROUP'} | ${title} | ${yLabel} | ${'group'}
${group} | ${'NOT_A_TITLE'} | ${yLabel} | ${'title'}
${group} | ${title} | ${'NOT_A_Y_LABEL'} | ${'y_label'}
`('throws an error when $missingField is incorrect', params => {
const search = `?group=${params.group}&title=${params.title}&y_label=${params.yLabel}`;
expect(() => expandedPanelPayloadFromUrl(metricsDashboardViewModel, search)).toThrow();
});
});
describe('panelToUrl', () => {
const { panelToUrl } = monitoringUtils;
const dashboard = 'metrics.yml';
const [panelGroup] = metricsDashboardViewModel.panelGroups;
const [panel] = panelGroup.panels;
const getUrlParams = url => urlUtils.queryToObject(url.split('?')[1]);
it('returns URL for a panel when query parameters are given', () => {
const params = getUrlParams(panelToUrl(dashboard, {}, panelGroup.group, panel));
expect(params).toEqual(
expect.objectContaining({
dashboard,
group: panelGroup.group,
title: panel.title,
y_label: panel.y_label,
}),
);
});
it('returns a dashboard only URL if group is missing', () => {
const params = getUrlParams(panelToUrl(dashboard, {}, null, panel));
expect(params).toEqual(expect.objectContaining({ dashboard: 'metrics.yml' }));
});
it('returns a dashboard only URL if panel is missing', () => {
const params = getUrlParams(panelToUrl(dashboard, {}, panelGroup.group, null));
expect(params).toEqual(expect.objectContaining({ dashboard: 'metrics.yml' }));
});
it('returns URL for a panel when query paramters are given including custom variables', () => {
const params = getUrlParams(panelToUrl(dashboard, { pod: 'pod' }, panelGroup.group, null));
expect(params).toEqual(expect.objectContaining({ dashboard: 'metrics.yml', pod: 'pod' }));
});
});
describe('barChartsDataParser', () => {
const singleMetricExpected = {
SLA: [
['0.9935198135198128', 'api'],
['0.9975296513504401', 'git'],
['0.9994716394716395', 'registry'],
['0.9948251748251747', 'sidekiq'],
['0.9535664335664336', 'web'],
['0.9335664335664336', 'postgresql_database'],
],
};
const multipleMetricExpected = {
...singleMetricExpected,
SLA_2: Object.values(singleMetricExpected)[0],
};
const barMockDataWithMultipleMetrics = {
...barMockData,
metrics: [
barMockData.metrics[0],
{
...barMockData.metrics[0],
label: 'SLA_2',
},
],
};
[
{
input: { metrics: undefined },
output: {},
testCase: 'barChartsDataParser returns {} with undefined',
},
{
input: { metrics: null },
output: {},
testCase: 'barChartsDataParser returns {} with null',
},
{
input: { metrics: [] },
output: {},
testCase: 'barChartsDataParser returns {} with []',
},
{
input: barMockData,
output: singleMetricExpected,
testCase: 'barChartsDataParser returns single series object with single metrics',
},
{
input: barMockDataWithMultipleMetrics,
output: multipleMetricExpected,
testCase: 'barChartsDataParser returns multiple series object with multiple metrics',
},
].forEach(({ input, output, testCase }) => {
it(testCase, () => {
expect(monitoringUtils.barChartsDataParser(input.metrics)).toEqual(
expect.objectContaining(output),
);
});
});
});
describe('removePrefixFromLabel', () => {
it.each`
input | expected
${undefined} | ${''}
${null} | ${''}
${''} | ${''}
${' '} | ${' '}
${'pod-1'} | ${'pod-1'}
${'pod-var-1'} | ${'pod-var-1'}
${'pod-1-var'} | ${'pod-1-var'}
${'podvar--1'} | ${'podvar--1'}
${'povar-d-1'} | ${'povar-d-1'}
${'var-pod-1'} | ${'pod-1'}
${'var-var-pod-1'} | ${'var-pod-1'}
${'varvar-pod-1'} | ${'varvar-pod-1'}
${'var-pod-1-var-'} | ${'pod-1-var-'}
`('removePrefixFromLabel returns $expected with input $input', ({ input, expected }) => {
expect(monitoringUtils.removePrefixFromLabel(input)).toEqual(expected);
});
});
describe('mergeURLVariables', () => {
beforeEach(() => {
jest.spyOn(urlUtils, 'queryToObject');
});
afterEach(() => {
urlUtils.queryToObject.mockRestore();
});
it('returns empty object if variables are not defined in yml or URL', () => {
urlUtils.queryToObject.mockReturnValueOnce({});
expect(monitoringUtils.mergeURLVariables({})).toEqual({});
});
it('returns empty object if variables are defined in URL but not in yml', () => {
urlUtils.queryToObject.mockReturnValueOnce({
'var-env': 'one',
'var-instance': 'localhost',
});
expect(monitoringUtils.mergeURLVariables({})).toEqual({});
});
it('returns yml variables if variables defined in yml but not in the URL', () => {
urlUtils.queryToObject.mockReturnValueOnce({});
const params = {
env: 'one',
instance: 'localhost',
};
expect(monitoringUtils.mergeURLVariables(params)).toEqual(params);
});
it('returns yml variables if variables defined in URL do not match with yml variables', () => {
const urlParams = {
'var-env': 'one',
'var-instance': 'localhost',
};
const ymlParams = {
pod: { value: 'one' },
service: { value: 'database' },
};
urlUtils.queryToObject.mockReturnValueOnce(urlParams);
expect(monitoringUtils.mergeURLVariables(ymlParams)).toEqual(ymlParams);
});
it('returns merged yml and URL variables if there is some match', () => {
const urlParams = {
'var-env': 'one',
'var-instance': 'localhost:8080',
};
const ymlParams = {
instance: { value: 'localhost' },
service: { value: 'database' },
};
const merged = {
instance: { value: 'localhost:8080' },
service: { value: 'database' },
};
urlUtils.queryToObject.mockReturnValueOnce(urlParams);
expect(monitoringUtils.mergeURLVariables(ymlParams)).toEqual(merged);
});
});
describe('convertVariablesForURL', () => {
it.each`
input | expected
${undefined} | ${{}}
${null} | ${{}}
${{}} | ${{}}
${{ env: { value: 'prod' } }} | ${{ 'var-env': 'prod' }}
${{ 'var-env': { value: 'prod' } }} | ${{ 'var-var-env': 'prod' }}
`('convertVariablesForURL returns $expected with input $input', ({ input, expected }) => {
expect(monitoringUtils.convertVariablesForURL(input)).toEqual(expected);
});
});
});