mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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103 lines
2.9 KiB
Go
103 lines
2.9 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 aggregator_test // import "go.opentelemetry.io/otel/sdk/metric/aggregator"
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import (
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"errors"
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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/metric"
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"go.opentelemetry.io/otel/sdk/export/metric/aggregation"
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"go.opentelemetry.io/otel/sdk/metric/aggregator"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
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)
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func TestInconsistentMergeErr(t *testing.T) {
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err := aggregator.NewInconsistentMergeError(sum.New(), lastvalue.New())
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require.Equal(
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t,
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"cannot merge *sum.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, aggregation.ErrInconsistentType))
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}
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func testRangeNaN(t *testing.T, desc *metric.Descriptor) {
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// If the descriptor uses int64 numbers, this won't register as NaN
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nan := metric.NewFloat64Number(math.NaN())
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err := aggregator.RangeTest(nan, desc)
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if desc.NumberKind() == metric.Float64NumberKind {
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require.Equal(t, aggregation.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, desc *metric.Descriptor) {
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var neg, pos metric.Number
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if desc.NumberKind() == metric.Float64NumberKind {
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pos = metric.NewFloat64Number(+1)
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neg = metric.NewFloat64Number(-1)
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} else {
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pos = metric.NewInt64Number(+1)
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neg = metric.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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require.Equal(t, negErr, aggregation.ErrNegativeInput)
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}
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func TestRangeTest(t *testing.T) {
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// Only Counters implement a range test.
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for _, nkind := range []metric.NumberKind{metric.Float64NumberKind, metric.Int64NumberKind} {
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t.Run(nkind.String(), func(t *testing.T) {
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desc := metric.NewDescriptor(
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"name",
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metric.CounterKind,
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nkind,
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)
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testRangeNegative(t, &desc)
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})
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}
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}
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func TestNaNTest(t *testing.T) {
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for _, nkind := range []metric.NumberKind{metric.Float64NumberKind, metric.Int64NumberKind} {
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t.Run(nkind.String(), func(t *testing.T) {
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for _, mkind := range []metric.Kind{
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metric.CounterKind,
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metric.ValueRecorderKind,
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metric.ValueObserverKind,
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} {
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desc := metric.NewDescriptor(
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"name",
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mkind,
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nkind,
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)
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testRangeNaN(t, &desc)
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}
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})
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}
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}
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