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https://github.com/open-telemetry/opentelemetry-go.git
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f535b1e65f
Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com> Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>
89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package internal // import "go.opentelemetry.io/otel/sdk/metric/internal"
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import (
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"testing"
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"go.opentelemetry.io/otel/sdk/metric/metricdata"
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"go.opentelemetry.io/otel/sdk/metric/metricdata/metricdatatest"
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)
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func TestLastValue(t *testing.T) {
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t.Cleanup(mockTime(now))
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t.Run("Int64", testLastValue[int64]())
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t.Run("Float64", testLastValue[float64]())
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}
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func testLastValue[N int64 | float64]() func(*testing.T) {
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tester := &aggregatorTester[N]{
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GoroutineN: defaultGoroutines,
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MeasurementN: defaultMeasurements,
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CycleN: defaultCycles,
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}
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eFunc := func(increments setMap) expectFunc {
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data := make([]metricdata.DataPoint[N], 0, len(increments))
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for a, v := range increments {
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point := metricdata.DataPoint[N]{Attributes: a, Time: now(), Value: N(v)}
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data = append(data, point)
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}
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gauge := metricdata.Gauge[N]{DataPoints: data}
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return func(int) metricdata.Aggregation { return gauge }
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}
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incr := monoIncr
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return tester.Run(NewLastValue[N](), incr, eFunc(incr))
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}
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func testLastValueReset[N int64 | float64](t *testing.T) {
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t.Cleanup(mockTime(now))
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a := NewLastValue[N]()
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expect := metricdata.Gauge[N]{}
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metricdatatest.AssertAggregationsEqual(t, expect, a.Aggregation())
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a.Aggregate(1, alice)
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expect.DataPoints = []metricdata.DataPoint[N]{{
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Attributes: alice,
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Time: now(),
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Value: 1,
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}}
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metricdatatest.AssertAggregationsEqual(t, expect, a.Aggregation())
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// The attr set should be forgotten once Aggregations is called.
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expect.DataPoints = nil
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metricdatatest.AssertAggregationsEqual(t, expect, a.Aggregation())
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// Aggregating another set should not affect the original (alice).
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a.Aggregate(1, bob)
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expect.DataPoints = []metricdata.DataPoint[N]{{
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Attributes: bob,
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Time: now(),
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Value: 1,
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}}
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metricdatatest.AssertAggregationsEqual(t, expect, a.Aggregation())
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}
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func TestLastValueReset(t *testing.T) {
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t.Run("Int64", testLastValueReset[int64])
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t.Run("Float64", testLastValueReset[float64])
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}
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func BenchmarkLastValue(b *testing.B) {
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b.Run("Int64", benchmarkAggregator(NewLastValue[int64]))
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b.Run("Float64", benchmarkAggregator(NewLastValue[float64]))
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}
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