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test(core): Add tests for Prometheus metrics service (no-changelog) (#10050)

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This commit is contained in:
Iván Ovejero
2024-07-15 12:16:27 +02:00
committed by GitHub
parent cd24c71a9e
commit b42f652f1b
5 changed files with 134 additions and 9 deletions
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8
packages/cli/test/integration/metrics.test.ts
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@@ -4,7 +4,7 @@ import request from 'supertest';
import config from '@/config';
import { N8N_VERSION } from '@/constants';
import { MetricsService } from '@/services/metrics.service';
import { PrometheusMetricsService } from '@/metrics/prometheus-metrics.service';
import { ExecutionRecoveryService } from '@/executions/execution-recovery.service';
import { setupTestServer } from './shared/utils';
@@ -42,7 +42,7 @@ describe('Metrics', () => {
it('should return cache metrics when enabled', async () => {
config.set('endpoints.metrics.includeCacheMetrics', true);
await Container.get(MetricsService).configureMetrics(testServer.app);
await Container.get(PrometheusMetricsService).configureMetrics(testServer.app);
const lines = await getMetricsResponseAsLines();
expect(lines).toContain('n8n_test_cache_hits_total 0');
expect(lines).toContain('n8n_test_cache_misses_total 0');
@@ -67,7 +67,7 @@ describe('Metrics', () => {
it('should return default metrics', async () => {
config.set('endpoints.metrics.includeDefaultMetrics', true);
await Container.get(MetricsService).configureMetrics(testServer.app);
await Container.get(PrometheusMetricsService).configureMetrics(testServer.app);
const lines = await getMetricsResponseAsLines();
expect(lines).toContain('nodejs_heap_space_size_total_bytes{space="read_only"} 0');
config.set('endpoints.metrics.includeDefaultMetrics', false);
@@ -75,7 +75,7 @@ describe('Metrics', () => {
it('should not return default metrics only when disabled', async () => {
config.set('endpoints.metrics.includeDefaultMetrics', false);
await Container.get(MetricsService).configureMetrics(testServer.app);
await Container.get(PrometheusMetricsService).configureMetrics(testServer.app);
const lines = await getMetricsResponseAsLines();
expect(lines).not.toContain('nodejs_heap_space_size_total_bytes{space="read_only"} 0');
config.set('endpoints.metrics.includeDefaultMetrics', true);

6
packages/cli/test/integration/shared/utils/testServer.ts
View File

@@ -145,8 +145,10 @@ export const setupTestServer = ({
break;
case 'metrics':
const { MetricsService } = await import('@/services/metrics.service');
await Container.get(MetricsService).configureMetrics(app);
const { PrometheusMetricsService } = await import(
'@/metrics/prometheus-metrics.service'
);
await Container.get(PrometheusMetricsService).configureMetrics(app);
break;
case 'eventBus':