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481f4983f7
Part of https://github.com/open-telemetry/opentelemetry-go/issues/5249 This makes all existing types designed to implement the public Exemplar API public by moving most of `internal/exemplar` to `exemplar`. The only types that are not being made public are `exemplar.Drop`, and `exemplar.FilteredReservoir`. Those types are moved to `internal/aggregate`, and are renamed to `DropReservoir` and `FilteredExemplarReservoir`. The following types are made public: * `exemplar.Exemplar` * `exemplar.Filter` * `exemplar.SampledFilter` * `exemplar.AlwaysOnFilter` * `exemplar.HistogramReservoir` * `exemplar.FixedSizeReservoir` * `exemplar.Reservoir` * `exemplar.Value` * `exemplar.ValueType`
51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package aggregate
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/sdk/metric/exemplar"
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"go.opentelemetry.io/otel/sdk/metric/metricdata"
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)
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func TestCollectExemplars(t *testing.T) {
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t.Run("Int64", testCollectExemplars[int64]())
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t.Run("Float64", testCollectExemplars[float64]())
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}
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func testCollectExemplars[N int64 | float64]() func(t *testing.T) {
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return func(t *testing.T) {
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now := time.Now()
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alice := attribute.String("user", "Alice")
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value := N(1)
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spanID := [8]byte{0x1}
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traceID := [16]byte{0x1}
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out := new([]metricdata.Exemplar[N])
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collectExemplars(out, func(in *[]exemplar.Exemplar) {
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*in = reset(*in, 1, 1)
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(*in)[0] = exemplar.Exemplar{
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FilteredAttributes: []attribute.KeyValue{alice},
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Time: now,
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Value: exemplar.NewValue(value),
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SpanID: spanID[:],
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TraceID: traceID[:],
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}
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})
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assert.Equal(t, []metricdata.Exemplar[N]{{
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FilteredAttributes: []attribute.KeyValue{alice},
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Time: now,
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Value: value,
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SpanID: spanID[:],
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TraceID: traceID[:],
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}}, *out)
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}
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}
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