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https://github.com/open-telemetry/opentelemetry-go.git
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d8682c1999
* Create MeterImpl interface * Checkpoint w/ sdk.go building * Checkpoint working on global * api/global builds (test fails) * Test fix * All tests pass * Comments * Add two tests * Comments and uncomment tests * Precommit part 1 * Still working on tests * Lint * Add a test and a TODO * Cleanup * Lint * Interface()->Implementation() * Apply some feedback * From feedback * (A)Synchronous -> (A)Sync * Add a missing comment * Apply suggestions from code review Co-Authored-By: Krzesimir Nowak <qdlacz@gmail.com> * Rename a variable Co-authored-by: Krzesimir Nowak <qdlacz@gmail.com>
131 lines
3.2 KiB
Go
131 lines
3.2 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 sum
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import (
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"context"
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"os"
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"testing"
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"unsafe"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/api/core"
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"go.opentelemetry.io/otel/api/metric"
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ottest "go.opentelemetry.io/otel/internal/testing"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/test"
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)
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const count = 100
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// Ensure struct alignment prior to running tests.
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func TestMain(m *testing.M) {
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fields := []ottest.FieldOffset{
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{
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Name: "Aggregator.current",
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Offset: unsafe.Offsetof(Aggregator{}.current),
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},
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{
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Name: "Aggregator.checkpoint",
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Offset: unsafe.Offsetof(Aggregator{}.checkpoint),
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},
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}
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if !ottest.Aligned8Byte(fields, os.Stderr) {
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os.Exit(1)
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}
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os.Exit(m.Run())
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}
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func TestCounterSum(t *testing.T) {
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ctx := context.Background()
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test.RunProfiles(t, func(t *testing.T, profile test.Profile) {
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agg := New()
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descriptor := test.NewAggregatorTest(metric.CounterKind, profile.NumberKind)
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sum := core.Number(0)
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for i := 0; i < count; i++ {
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x := profile.Random(+1)
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sum.AddNumber(profile.NumberKind, x)
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test.CheckedUpdate(t, agg, x, descriptor)
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}
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agg.Checkpoint(ctx, descriptor)
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asum, err := agg.Sum()
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require.Equal(t, sum, asum, "Same sum - monotonic")
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require.Nil(t, err)
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})
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}
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func TestMeasureSum(t *testing.T) {
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ctx := context.Background()
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test.RunProfiles(t, func(t *testing.T, profile test.Profile) {
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agg := New()
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descriptor := test.NewAggregatorTest(metric.MeasureKind, profile.NumberKind)
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sum := core.Number(0)
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for i := 0; i < count; i++ {
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r1 := profile.Random(+1)
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r2 := profile.Random(-1)
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test.CheckedUpdate(t, agg, r1, descriptor)
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test.CheckedUpdate(t, agg, r2, descriptor)
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sum.AddNumber(profile.NumberKind, r1)
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sum.AddNumber(profile.NumberKind, r2)
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}
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agg.Checkpoint(ctx, descriptor)
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asum, err := agg.Sum()
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require.Equal(t, sum, asum, "Same sum - monotonic")
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require.Nil(t, err)
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})
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}
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func TestCounterMerge(t *testing.T) {
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ctx := context.Background()
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test.RunProfiles(t, func(t *testing.T, profile test.Profile) {
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agg1 := New()
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agg2 := New()
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descriptor := test.NewAggregatorTest(metric.CounterKind, profile.NumberKind)
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sum := core.Number(0)
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for i := 0; i < count; i++ {
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x := profile.Random(+1)
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sum.AddNumber(profile.NumberKind, x)
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test.CheckedUpdate(t, agg1, x, descriptor)
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test.CheckedUpdate(t, agg2, x, descriptor)
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}
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agg1.Checkpoint(ctx, descriptor)
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agg2.Checkpoint(ctx, descriptor)
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test.CheckedMerge(t, agg1, agg2, descriptor)
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sum.AddNumber(descriptor.NumberKind(), sum)
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asum, err := agg1.Sum()
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require.Equal(t, sum, asum, "Same sum - monotonic")
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require.Nil(t, err)
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})
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}
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