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index.ts
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index.ts
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import {
InMemorySpanExporter,
SimpleSpanProcessor,
} from '@opentelemetry/sdk-trace-base';
import { NodeTracerProvider } from '@opentelemetry/sdk-trace-node';
import { Suite } from 'benchmark';
import * as rian from '..';
import * as rianAsync from '../async';
import * as assert from 'uvu/assert';
async function runner(
name: string,
candidates: Record<
string,
{ setup?: () => any; fn: (...args: any[]) => any }
>,
valid: (p: any) => boolean,
) {
console.log('\nValidation :: %s', name);
for (let name of Object.keys(candidates)) {
const candidate = candidates[name];
const result = await candidate.fn(candidate.setup?.());
try {
assert.ok(valid(result), `${result} is not ok`);
console.log(`✔`, name);
} catch (err) {
console.log('✘', name, `(FAILED @ "${err.message}")`);
}
}
return new Promise((resolve) => {
console.log('\nBenchmark :: %s', name);
const bench = new Suite().on('cycle', (e) =>
console.log(' ' + e.target),
);
Object.keys(candidates).forEach((name) => {
const setup = candidates[name].setup?.();
bench.add(name + ' '.repeat(22 - name.length), {
fn: () => candidates[name].fn(setup),
async: true,
});
});
bench.on('complete', resolve);
bench.run();
});
}
const opentelemetrySetup = () => {
const tracerProvider = new NodeTracerProvider();
const exporter = new InMemorySpanExporter();
tracerProvider.addSpanProcessor(new SimpleSpanProcessor(exporter));
return {
tracerProvider,
exporter,
};
};
(async function () {
await runner(
'single span',
{
rian: {
fn: async () => {
const tracer = rian.tracer('test');
tracer.span('span 1').end();
return await rian.report(
(s) => Array.from(s.scopeSpans)[0].spans,
);
},
},
'rian/async': {
fn: async () => {
rianAsync.tracer('test')(() => {
rianAsync.span('span 1').end();
});
return await rianAsync.report(
(s) => Array.from(s.scopeSpans)[0].spans,
);
},
},
opentelemetry: {
setup: opentelemetrySetup,
fn: async ({
tracerProvider,
exporter,
}: ReturnType<typeof opentelemetrySetup>) => {
tracerProvider.getTracer('test').startSpan('span 1').end();
await tracerProvider.forceFlush();
return exporter.getFinishedSpans();
},
},
},
(s) => {
let spans: any[] = s;
if (s instanceof Set) spans = Array.from(spans);
return spans.length === 1;
},
);
await runner(
'child span',
{
rian: {
fn: async () => {
const tracer = rian.tracer('test');
tracer.span('span 1')((s) => {
s.span('span 2').end();
});
return await rian.report(
(s) => Array.from(s.scopeSpans)[0].spans,
);
},
},
'rian/async': {
fn: async () => {
rianAsync.tracer('test')(() => {
rianAsync.span('span 1')(() => {
rianAsync.span('span 2').end();
});
});
return await rianAsync.report(
(s) => Array.from(s.scopeSpans)[0].spans,
);
},
},
opentelemetry: {
setup: opentelemetrySetup,
fn: async ({
tracerProvider,
exporter,
}: ReturnType<typeof opentelemetrySetup>) => {
const tracer = tracerProvider.getTracer('test');
tracer.startActiveSpan('span 1', (span) => {
const span2 = tracer.startSpan('span 2');
span2.end();
span.end();
});
await tracerProvider.forceFlush();
return exporter.getFinishedSpans();
},
},
},
(s) => {
let spans: any[] = s;
if (s instanceof Set) spans = Array.from(spans);
return spans.length === 2;
},
);
})().catch((e) => {
console.error(e);
process.exit(1);
});