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import { ProxyTracerProvider } from '@opentelemetry/api';
import * as api from '@opentelemetry/api';
import { NodeTracerProvider } from '@opentelemetry/sdk-trace-node';
import {
disableInstrumentations,
getTracerProvider,
init,
instrument,
} from '.';
afterAll(disableInstrumentations);
describe('instrumentation/index', () => {
const oldEnv = process.env;
beforeEach(() => {
api.trace.disable(); // clear global components
process.env = { ...oldEnv };
});
afterAll(() => {
process.env = oldEnv; // Restore old environment
});
it('should use NoopTraceProvider if not activated', () => {
init();
const traceProvider = getTracerProvider();
expect(traceProvider).toBeInstanceOf(ProxyTracerProvider);
const provider = traceProvider as ProxyTracerProvider;
expect(provider.constructor.name).toBe('ProxyTracerProvider');
});
it('activate console logger', () => {
process.env.RENOVATE_TRACING_CONSOLE_EXPORTER = 'true';
init();
const traceProvider = getTracerProvider();
expect(traceProvider).toBeInstanceOf(ProxyTracerProvider);
const proxyProvider = traceProvider as ProxyTracerProvider;
const delegateProvider = proxyProvider.getDelegate();
expect(delegateProvider).toBeInstanceOf(NodeTracerProvider);
const nodeProvider = delegateProvider as NodeTracerProvider;
expect(nodeProvider).toMatchObject({
_registeredSpanProcessors: [{ _exporter: {} }],
});
});
it('activate remote logger', () => {
process.env.OTEL_EXPORTER_OTLP_ENDPOINT = 'https://collector.example.com';
init();
const traceProvider = getTracerProvider();
expect(traceProvider).toBeInstanceOf(ProxyTracerProvider);
const proxyProvider = traceProvider as ProxyTracerProvider;
const delegateProvider = proxyProvider.getDelegate();
expect(delegateProvider).toBeInstanceOf(NodeTracerProvider);
const nodeProvider = delegateProvider as NodeTracerProvider;
expect(nodeProvider).toMatchObject({
_registeredSpanProcessors: [
{
_exporter: {
_transport: {
_transport: {
_parameters: {
url: 'https://collector.example.com/v1/traces',
},
},
},
},
},
],
});
});
it('activate console logger and remote logger', () => {
process.env.RENOVATE_TRACING_CONSOLE_EXPORTER = 'true';
process.env.OTEL_EXPORTER_OTLP_ENDPOINT = 'https://collector.example.com';
init();
const traceProvider = getTracerProvider();
expect(traceProvider).toBeInstanceOf(ProxyTracerProvider);
const proxyProvider = traceProvider as ProxyTracerProvider;
const delegateProvider = proxyProvider.getDelegate();
expect(delegateProvider).toBeInstanceOf(NodeTracerProvider);
const nodeProvider = delegateProvider as NodeTracerProvider;
expect(nodeProvider).toMatchObject({
_registeredSpanProcessors: [
{ _exporter: {} },
{
_exporter: {
_transport: {
_transport: {
_parameters: {
url: 'https://collector.example.com/v1/traces',
},
},
},
},
},
],
});
});
describe('instrument', () => {
it('should return result', () => {
const value = 'testResult';
const result = instrument('test', () => {
return value;
});
expect(result).toStrictEqual(value);
});
it('should rethrow exception', () => {
const error = new Error('testError');
expect(() =>
instrument('test', () => {
throw error;
}),
).toThrow(error);
});
it('should return result for async fn', async () => {
const value = 'testResult';
const result = await instrument('test', async () => {
return await new Promise((resolve) => {
resolve(value);
});
});
expect(result).toStrictEqual(value);
});
it('should rethrow exception for async fn', async () => {
const error = new Error('testError');
await expect(
instrument('test', async () => {
await Promise.resolve();
throw error;
}),
).rejects.toThrow(error);
});
});
});
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