88 lines
2.6 KiB
Rust
88 lines
2.6 KiB
Rust
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use codex_otel::metrics::MetricsClient;
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use codex_otel::metrics::MetricsConfig;
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use codex_otel::metrics::MetricsError;
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use codex_otel::metrics::Result;
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use opentelemetry_sdk::metrics::InMemoryMetricExporter;
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fn build_in_memory_client() -> Result<MetricsClient> {
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let exporter = InMemoryMetricExporter::default();
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let config = MetricsConfig::in_memory("test", "codex-cli", env!("CARGO_PKG_VERSION"), exporter);
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MetricsClient::new(config)
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}
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// Ensures invalid tag components are rejected during config build.
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#[test]
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fn invalid_tag_component_is_rejected() -> Result<()> {
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let err = MetricsConfig::in_memory(
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"test",
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"codex-cli",
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env!("CARGO_PKG_VERSION"),
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InMemoryMetricExporter::default(),
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)
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.with_tag("bad key", "value")
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.unwrap_err();
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assert!(matches!(
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err,
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MetricsError::InvalidTagComponent { label, value }
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if label == "tag key" && value == "bad key"
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));
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Ok(())
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}
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// Ensures per-metric tag keys are validated.
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#[test]
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fn counter_rejects_invalid_tag_key() -> Result<()> {
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let metrics = build_in_memory_client()?;
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let err = metrics
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.counter("codex.turns", 1, &[("bad key", "value")])
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.unwrap_err();
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assert!(matches!(
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err,
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MetricsError::InvalidTagComponent { label, value }
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if label == "tag key" && value == "bad key"
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));
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metrics.shutdown()?;
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Ok(())
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}
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// Ensures per-metric tag values are validated.
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#[test]
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fn histogram_rejects_invalid_tag_value() -> Result<()> {
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let metrics = build_in_memory_client()?;
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let err = metrics
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.histogram("codex.request_latency", 3, &[("route", "bad value")])
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.unwrap_err();
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assert!(matches!(
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err,
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MetricsError::InvalidTagComponent { label, value }
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if label == "tag value" && value == "bad value"
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));
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metrics.shutdown()?;
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Ok(())
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}
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// Ensures invalid metric names are rejected.
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#[test]
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fn counter_rejects_invalid_metric_name() -> Result<()> {
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let metrics = build_in_memory_client()?;
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let err = metrics.counter("bad name", 1, &[]).unwrap_err();
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assert!(matches!(
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err,
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MetricsError::InvalidMetricName { name } if name == "bad name"
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));
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metrics.shutdown()?;
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Ok(())
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}
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#[test]
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fn counter_rejects_negative_increment() -> Result<()> {
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let metrics = build_in_memory_client()?;
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let err = metrics.counter("codex.turns", -1, &[]).unwrap_err();
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assert!(matches!(
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err,
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MetricsError::NegativeCounterIncrement { name, inc } if name == "codex.turns" && inc == -1
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));
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metrics.shutdown()?;
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Ok(())
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}
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