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grafana/public/app/plugins/datasource/cloudwatch/migrations/metricQueryMigrations.test.ts

101 lines
3.8 KiB

import { config } from '@grafana/runtime';
import { CloudWatchMetricsQuery } from '../types';
import { migrateAliasPatterns } from './metricQueryMigrations';
describe('metricQueryMigrations', () => {
interface TestScenario {
description?: string;
alias: string;
label?: string;
}
describe('migrateAliasPatterns', () => {
const baseQuery: CloudWatchMetricsQuery = {
statistic: 'Average',
refId: 'A',
id: '',
region: 'us-east-2',
namespace: 'AWS/EC2',
period: '300',
alias: '',
metricName: 'CPUUtilization',
dimensions: {},
matchExact: false,
expression: '',
};
describe('when feature is enabled', () => {
describe('and label was not previously migrated', () => {
const cases: TestScenario[] = [
{ description: 'Metric name', alias: '{{metric}}', label: "${PROP('MetricName')}" },
{ description: 'Trim pattern', alias: '{{ metric }}', label: "${PROP('MetricName')}" },
{ description: 'Namespace', alias: '{{namespace}}', label: "${PROP('Namespace')}" },
{ description: 'Period', alias: '{{period}}', label: "${PROP('Period')}" },
{ description: 'Region', alias: '{{region}}', label: "${PROP('Region')}" },
{ description: 'Statistic', alias: '{{stat}}', label: "${PROP('Stat')}" },
{ description: 'Label', alias: '{{label}}', label: '${LABEL}' },
{
description: 'Non-existing alias pattern',
alias: '{{anything_else}}',
label: "${PROP('Dim.anything_else')}",
},
{
description: 'Combined patterns',
alias: 'some {{combination}} of {{label}} and {{metric}}',
label: "some ${PROP('Dim.combination')} of ${LABEL} and ${PROP('MetricName')}",
},
{
description: 'Combined patterns not trimmed',
alias: 'some {{combination }}{{ label}} and {{metric}}',
label: "some ${PROP('Dim.combination')}${LABEL} and ${PROP('MetricName')}",
},
];
test.each(cases)('given old alias %p, it should be migrated to label: %p', ({ alias, label }) => {
config.featureToggles.cloudWatchDynamicLabels = true;
const testQuery = { ...baseQuery, alias };
const result = migrateAliasPatterns(testQuery);
expect(result.label).toBe(label);
expect(result.alias).toBe(alias);
});
});
describe('and label was previously migrated', () => {
const cases: TestScenario[] = [
{
alias: '',
label: "${PROP('MetricName')}",
},
{ alias: '{{metric}}', label: "${PROP('Period')}" },
{ alias: '{{namespace}}', label: '' },
];
test.each(cases)('it should not be migrated once again', ({ alias, label }) => {
config.featureToggles.cloudWatchDynamicLabels = true;
const testQuery = { ...baseQuery, alias, label };
const result = migrateAliasPatterns(testQuery);
expect(result.label).toBe(label);
expect(result.alias).toBe(alias);
});
});
});
describe('when feature is disabled', () => {
const cases: TestScenario[] = [
{ alias: '{{period}}', label: "${PROP('MetricName')}" },
{ alias: '{{metric}}', label: '' },
{ alias: '', label: "${PROP('MetricName')}" },
{ alias: '', label: undefined },
];
test.each(cases)('should not migrate alias', ({ alias, label }) => {
config.featureToggles.cloudWatchDynamicLabels = false;
const testQuery = { ...baseQuery, alias: `${alias}` };
if (label !== undefined) {
testQuery.label = label;
}
const result = migrateAliasPatterns(testQuery);
expect(result.label).toBe(label);
expect(result.alias).toBe(alias);
});
});
});
});