mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-30 21:20:04 +02:00
30e82e01b6
benchstat:
```
goos: darwin
goarch: arm64
pkg: go.opentelemetry.io/otel/sdk/trace
│ old │ new │
│ sec/op │ sec/op vs base │
TraceStart-10 950.6n ± 1% 641.0n ± 0% -32.57% (p=0.000 n=10)
│ old │ new │
│ B/op │ B/op vs base │
TraceStart-10 1040.0 ± 0% 704.0 ± 0% -32.31% (p=0.000 n=10)
│ old │ new │
│ allocs/op │ allocs/op vs base │
TraceStart-10 20.00 ± 0% 14.00 ± 0% -30.00% (p=0.000 n=10)
```
---------
Co-authored-by: Damien Mathieu <damien.mathieu@elastic.co>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package trace
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import (
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"reflect"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func init() {
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}
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func TestAdd(t *testing.T) {
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q := newEvictedQueueLink(3)
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q.add(Link{})
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q.add(Link{})
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if wantLen, gotLen := 2, len(q.queue); wantLen != gotLen {
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t.Errorf("got queue length %d want %d", gotLen, wantLen)
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}
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}
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func TestCopy(t *testing.T) {
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q := newEvictedQueueEvent(3)
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q.add(Event{Name: "value1"})
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cp := q.copy()
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q.add(Event{Name: "value2"})
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assert.Equal(t, []Event{{Name: "value1"}}, cp, "queue update modified copy")
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cp[0] = Event{Name: "value0"}
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assert.Equal(t, Event{Name: "value1"}, q.queue[0], "copy update modified queue")
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}
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func TestDropCount(t *testing.T) {
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q := newEvictedQueueEvent(3)
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var called bool
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q.logDropped = func() { called = true }
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q.add(Event{Name: "value1"})
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assert.False(t, called, `"value1" logged as dropped`)
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q.add(Event{Name: "value2"})
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assert.False(t, called, `"value2" logged as dropped`)
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q.add(Event{Name: "value3"})
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assert.False(t, called, `"value3" logged as dropped`)
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q.add(Event{Name: "value1"})
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assert.True(t, called, `"value2" not logged as dropped`)
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q.add(Event{Name: "value4"})
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if wantLen, gotLen := 3, len(q.queue); wantLen != gotLen {
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t.Errorf("got queue length %d want %d", gotLen, wantLen)
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}
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if wantDropCount, gotDropCount := 2, q.droppedCount; wantDropCount != gotDropCount {
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t.Errorf("got drop count %d want %d", gotDropCount, wantDropCount)
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}
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wantArr := []Event{{Name: "value3"}, {Name: "value1"}, {Name: "value4"}}
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gotArr := q.copy()
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if wantLen, gotLen := len(wantArr), len(gotArr); gotLen != wantLen {
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t.Errorf("got array len %d want %d", gotLen, wantLen)
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}
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if !reflect.DeepEqual(gotArr, wantArr) {
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t.Errorf("got array = %#v; want %#v", gotArr, wantArr)
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}
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}
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