mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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9674c81cb7
* drop gauge instrument * Restore the benchmark and stress test for lastvalue aggregator, but remove monotonic last-value support * Rename gauge->lastvalue and remove remaining uses of the word 'gauge' Co-authored-by: Krzesimir Nowak <krzesimir@kinvolk.io>
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
// Copyright 2019, 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 aggregator_test // import "go.opentelemetry.io/otel/sdk/export/metric/aggregator"
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import (
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"errors"
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"fmt"
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"math"
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"testing"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/api/core"
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export "go.opentelemetry.io/otel/sdk/export/metric"
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"go.opentelemetry.io/otel/sdk/export/metric/aggregator"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/counter"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue"
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)
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func TestInconsistentMergeErr(t *testing.T) {
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err := aggregator.NewInconsistentMergeError(counter.New(), lastvalue.New())
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require.Equal(
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t,
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"cannot merge *counter.Aggregator with *lastvalue.Aggregator: inconsistent aggregator types",
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err.Error(),
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)
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require.True(t, errors.Is(err, aggregator.ErrInconsistentType))
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}
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func testRangeNaN(t *testing.T, desc *export.Descriptor) {
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// If the descriptor uses int64 numbers, this won't register as NaN
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nan := core.NewFloat64Number(math.NaN())
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err := aggregator.RangeTest(nan, desc)
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if desc.NumberKind() == core.Float64NumberKind {
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require.Equal(t, aggregator.ErrNaNInput, err)
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} else {
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require.Nil(t, err)
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}
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}
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func testRangeNegative(t *testing.T, alt bool, desc *export.Descriptor) {
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var neg, pos core.Number
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if desc.NumberKind() == core.Float64NumberKind {
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pos = core.NewFloat64Number(+1)
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neg = core.NewFloat64Number(-1)
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} else {
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pos = core.NewInt64Number(+1)
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neg = core.NewInt64Number(-1)
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}
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posErr := aggregator.RangeTest(pos, desc)
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negErr := aggregator.RangeTest(neg, desc)
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require.Nil(t, posErr)
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if desc.MetricKind() == export.ObserverKind {
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require.Nil(t, negErr)
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} else {
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require.Equal(t, negErr == nil, alt)
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}
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}
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func TestRangeTest(t *testing.T) {
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for _, nkind := range []core.NumberKind{core.Float64NumberKind, core.Int64NumberKind} {
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t.Run(nkind.String(), func(t *testing.T) {
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for _, mkind := range []export.Kind{
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export.CounterKind,
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export.MeasureKind,
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export.ObserverKind,
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} {
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t.Run(mkind.String(), func(t *testing.T) {
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for _, alt := range []bool{true, false} {
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t.Run(fmt.Sprint(alt), func(t *testing.T) {
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desc := export.NewDescriptor(
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"name",
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mkind,
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nil,
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"",
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"",
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nkind,
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alt,
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)
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testRangeNaN(t, desc)
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testRangeNegative(t, alt, desc)
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})
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}
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})
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}
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})
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}
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}
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