Files
truelayer-interview/tests/telemetry.rs

24 lines
806 B
Rust

use pokedex_api::telemetry::{Telemetry, UpstreamRequestOutcome};
use std::time::Duration;
#[test]
fn records_http_and_upstream_metrics_in_prometheus_text_format() {
let telemetry = Telemetry::new("test-service");
let metrics = telemetry.metrics();
metrics.record_http_request("GET", "/pokemon/{name}", 200, Duration::from_millis(10));
metrics.record_upstream_request(
"pokeapi",
"pokemon_species",
UpstreamRequestOutcome::Success,
Duration::from_millis(5),
);
let rendered = telemetry
.render_prometheus()
.expect("metrics should render as text");
assert!(rendered.contains("http_server_requests"));
assert!(rendered.contains("upstream_client_requests"));
assert!(rendered.contains("service_name=\"test-service\""));
}