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import {
parseTemplatingVariables,
mergeURLVariables,
optionsFromSeriesData,
} from '~/monitoring/stores/variable_mapping';
import {
templatingVariablesExamples,
storeTextVariables,
storeCustomVariables,
storeMetricLabelValuesVariables,
} from '../mock_data';
import * as urlUtils from '~/lib/utils/url_utility';
describe('Monitoring variable mapping', () => {
describe('parseTemplatingVariables', () => {
it.each`
case | input
${'For undefined templating object'} | ${undefined}
${'For empty templating object'} | ${{}}
`('$case, returns an empty array', ({ input }) => {
expect(parseTemplatingVariables(input)).toEqual([]);
});
it.each`
case | input | output
${'Returns parsed object for text variables'} | ${templatingVariablesExamples.text} | ${storeTextVariables}
${'Returns parsed object for custom variables'} | ${templatingVariablesExamples.custom} | ${storeCustomVariables}
${'Returns parsed object for metric label value variables'} | ${templatingVariablesExamples.metricLabelValues} | ${storeMetricLabelValuesVariables}
`('$case, returns an empty array', ({ input, output }) => {
expect(parseTemplatingVariables(input)).toEqual(output);
});
});
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(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(mergeURLVariables([])).toEqual([]);
});
it('returns yml variables if variables defined in yml but not in the URL', () => {
urlUtils.queryToObject.mockReturnValueOnce({});
const variables = [
{
name: 'env',
value: 'one',
},
{
name: 'instance',
value: 'localhost',
},
];
expect(mergeURLVariables(variables)).toEqual(variables);
});
it('returns yml variables if variables defined in URL do not match with yml variables', () => {
const urlParams = {
'var-env': 'one',
'var-instance': 'localhost',
};
const variables = [
{
name: 'env',
value: 'one',
},
{
name: 'service',
value: 'database',
},
];
urlUtils.queryToObject.mockReturnValueOnce(urlParams);
expect(mergeURLVariables(variables)).toEqual(variables);
});
it('returns merged yml and URL variables if there is some match', () => {
const urlParams = {
'var-env': 'one',
'var-instance': 'localhost:8080',
};
const variables = [
{
name: 'instance',
value: 'localhost',
},
{
name: 'service',
value: 'database',
},
];
urlUtils.queryToObject.mockReturnValueOnce(urlParams);
expect(mergeURLVariables(variables)).toEqual([
{
name: 'instance',
value: 'localhost:8080',
},
{
name: 'service',
value: 'database',
},
]);
});
});
describe('optionsFromSeriesData', () => {
it('fetches the label values from missing data', () => {
expect(optionsFromSeriesData({ label: 'job' })).toEqual([]);
});
it('fetches the label values from a simple series', () => {
const data = [
{
__name__: 'up',
job: 'job1',
},
{
__name__: 'up',
job: 'job2',
},
];
expect(optionsFromSeriesData({ label: 'job', data })).toEqual([
{ text: 'job1', value: 'job1' },
{ text: 'job2', value: 'job2' },
]);
});
it('fetches the label values from multiple series', () => {
const data = [
{
__name__: 'up',
job: 'job1',
instance: 'host1',
},
{
__name__: 'up',
job: 'job2',
instance: 'host1',
},
{
__name__: 'up',
job: 'job1',
instance: 'host2',
},
{
__name__: 'up',
job: 'job2',
instance: 'host2',
},
];
expect(optionsFromSeriesData({ label: '__name__', data })).toEqual([
{ text: 'up', value: 'up' },
]);
expect(optionsFromSeriesData({ label: 'job', data })).toEqual([
{ text: 'job1', value: 'job1' },
{ text: 'job2', value: 'job2' },
]);
expect(optionsFromSeriesData({ label: 'instance', data })).toEqual([
{ text: 'host1', value: 'host1' },
{ text: 'host2', value: 'host2' },
]);
});
it('fetches the label values from a series with missing values', () => {
const data = [
{
__name__: 'up',
job: 'job1',
},
{
__name__: 'up',
job: 'job2',
},
{
__name__: 'up',
},
];
expect(optionsFromSeriesData({ label: 'job', data })).toEqual([
{ text: 'job1', value: 'job1' },
{ text: 'job2', value: 'job2' },
]);
});
});
});
|
