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test(metrics): test_gather_metrics depends on another test having run first #788

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test(metrics): test_gather_metrics depends on another test having run first #788

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9 changes: 8 additions & 1 deletion crates/ruvector-metrics/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -88,8 +88,15 @@ mod tests {

#[test]
fn test_gather_metrics() {
// The metrics are `lazy_static`, so they register with the default
// Prometheus registry on first use. Touch one here rather than relying
// on another test in the same process having done it: each test gets
// its own process under a per-test runner, and this assertion then has
// an empty registry to read.
COLLECTIONS_TOTAL.set(0.0);

let metrics = gather_metrics();
assert!(metrics.contains("ruvector"));
assert!(metrics.contains("ruvector_collections_total"));
}

#[test]
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