Files
mudler--localai/core/trace/backend_trace_sanitize_test.go
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Go

package trace_test
import (
"encoding/json"
"math"
"time"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/mudler/LocalAI/core/trace"
)
// encoding/json cannot marshal ±Inf or NaN. The /api/backend-traces endpoint
// serializes the whole buffer with one json call, so a single non-finite float
// in any trace's Data map (e.g. a -Inf dBFS audio metric from a silent clip)
// would fail the entire response and blank the Traces UI. RecordBackendTrace
// must scrub those values regardless of whether a body cap is configured.
var _ = Describe("RecordBackendTrace non-finite float sanitization", func() {
BeforeEach(func() {
// maxBodyBytes 0 == no body cap: float sanitization must still run.
trace.InitBackendTracingIfEnabled(64, 0)
trace.ClearBackendTraces()
})
It("replaces ±Inf and NaN with nil so the response stays JSON-marshalable", func() {
trace.RecordBackendTrace(trace.BackendTrace{
Timestamp: time.Now(),
Type: trace.BackendTraceTranscription,
ModelName: "m",
Data: map[string]any{
"audio_rms_dbfs": math.Inf(-1),
"audio_peak_dbfs": math.Inf(1),
"weird": math.NaN(),
"audio_duration_s": 1.5, // finite siblings must survive
},
})
Eventually(trace.GetBackendTraces).Should(HaveLen(1))
got := trace.GetBackendTraces()[0]
Expect(got.Data["audio_rms_dbfs"]).To(BeNil())
Expect(got.Data["audio_peak_dbfs"]).To(BeNil())
Expect(got.Data["weird"]).To(BeNil())
Expect(got.Data["audio_duration_s"]).To(Equal(1.5), "finite floats must pass through untouched")
_, err := json.Marshal(trace.GetBackendTraces())
Expect(err).ToNot(HaveOccurred(), "the whole trace buffer must marshal even with non-finite inputs")
})
It("scrubs non-finite floats nested in maps and slices", func() {
trace.RecordBackendTrace(trace.BackendTrace{
Timestamp: time.Now(),
Type: trace.BackendTraceLLM,
ModelName: "m",
Data: map[string]any{
"nested": map[string]any{
"logprob": math.Inf(-1),
"ok": 0.25,
},
"scores": []any{1.0, math.Inf(1), math.NaN()},
},
})
Eventually(trace.GetBackendTraces).Should(HaveLen(1))
got := trace.GetBackendTraces()[0]
nested := got.Data["nested"].(map[string]any)
Expect(nested["logprob"]).To(BeNil())
Expect(nested["ok"]).To(Equal(0.25))
scores := got.Data["scores"].([]any)
Expect(scores[0]).To(Equal(1.0))
Expect(scores[1]).To(BeNil())
Expect(scores[2]).To(BeNil())
_, err := json.Marshal(trace.GetBackendTraces())
Expect(err).ToNot(HaveOccurred())
})
})