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test(server): fix flaky (#4088)

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This commit is contained in:
Alex Yang
2023-08-31 20:03:46 -05:00
committed by GitHub
parent 0f2223ddf0
commit c937b88978
2 changed files with 52 additions and 19 deletions
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36
apps/server/src/tests/prometheus-metrics.spec.ts
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@@ -36,15 +36,27 @@ test('should be able to increment counter', async () => {
});
test('should be able to timer', async () => {
const endTimer = metrics.socketIOEventTimer({ event: 'client-handshake' });
await new Promise(resolve => setTimeout(resolve, 50));
endTimer();
let minimum: number;
{
const endTimer = metrics.socketIOEventTimer({ event: 'client-handshake' });
const a = performance.now();
await new Promise(resolve => setTimeout(resolve, 50));
const b = performance.now();
minimum = b - a;
endTimer();
}
const endTimer2 = metrics.socketIOEventTimer({ event: 'client-handshake' });
await new Promise(resolve => setTimeout(resolve, 100));
endTimer2();
let maximum: number;
{
const a = performance.now();
const endTimer = metrics.socketIOEventTimer({ event: 'client-handshake' });
await new Promise(resolve => setTimeout(resolve, 100));
endTimer();
const b = performance.now();
maximum = b - a;
}
const socketIOTimerMetric = await register.getSingleMetric('socket_io_timer');
const socketIOTimerMetric = register.getSingleMetric('socket_io_timer');
ok(socketIOTimerMetric);
const observations = (await socketIOTimerMetric.get()).values;
@@ -54,8 +66,14 @@ test('should be able to timer', async () => {
observation.labels.event === 'client-handshake' &&
'quantile' in observation.labels
) {
ok(observation.value >= 0.05);
ok(observation.value <= 0.2);
ok(
observation.value >= minimum / 1000,
'observation.value should be greater than minimum'
);
ok(
observation.value <= maximum / 1000,
'observation.value should be less than maximum'
);
}
}
});