mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-06-02 22:57:27 +02:00
1ff0f2a26a
* add resource type. * sort attributes in test to fix ci. * add resource keys and update test.
127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
// Copyright 2020, 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 resource_test
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import (
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"fmt"
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"sort"
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"testing"
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"github.com/google/go-cmp/cmp"
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"go.opentelemetry.io/otel/api/core"
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"go.opentelemetry.io/otel/sdk/resource"
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)
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var (
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kv11 = core.Key("k1").String("v11")
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kv12 = core.Key("k1").String("v12")
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kv21 = core.Key("k2").String("v21")
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kv31 = core.Key("k3").String("v31")
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kv41 = core.Key("k4").String("v41")
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)
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func TestNew(t *testing.T) {
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cases := []struct {
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name string
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in []core.KeyValue
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want []core.KeyValue
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}{
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{
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name: "New with common key order1",
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in: []core.KeyValue{kv11, kv12, kv21},
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want: []core.KeyValue{kv11, kv21},
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},
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{
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name: "New with common key order2",
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in: []core.KeyValue{kv12, kv11, kv21},
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want: []core.KeyValue{kv12, kv21},
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},
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{
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name: "New with nil",
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in: nil,
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want: []core.KeyValue{},
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},
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}
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for _, c := range cases {
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t.Run(fmt.Sprintf("case-%s", c.name), func(t *testing.T) {
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res := resource.New(c.in...)
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if diff := cmp.Diff(
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sortedAttributes(res.Attributes()),
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sortedAttributes(c.want),
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cmp.AllowUnexported(core.Value{})); diff != "" {
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t.Fatalf("unwanted result: diff %+v,", diff)
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}
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})
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}
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}
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func TestMerge(t *testing.T) {
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cases := []struct {
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name string
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a, b *resource.Resource
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want []core.KeyValue
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}{
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{
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name: "Merge with no overlap, no nil",
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a: resource.New(kv11, kv31),
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b: resource.New(kv21, kv41),
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want: []core.KeyValue{kv11, kv21, kv31, kv41},
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},
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{
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name: "Merge with common key order1",
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a: resource.New(kv11),
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b: resource.New(kv12, kv21),
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want: []core.KeyValue{kv21, kv11},
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},
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{
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name: "Merge with common key order2",
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a: resource.New(kv12, kv21),
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b: resource.New(kv11),
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want: []core.KeyValue{kv12, kv21},
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},
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{
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name: "Merge with first resource nil",
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a: nil,
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b: resource.New(kv21),
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want: []core.KeyValue{kv21},
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},
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{
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name: "Merge with second resource nil",
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a: resource.New(kv11),
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b: nil,
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want: []core.KeyValue{kv11},
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},
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}
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for _, c := range cases {
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t.Run(fmt.Sprintf("case-%s", c.name), func(t *testing.T) {
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res := resource.Merge(c.a, c.b)
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if diff := cmp.Diff(
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sortedAttributes(res.Attributes()),
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sortedAttributes(c.want),
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cmp.AllowUnexported(core.Value{})); diff != "" {
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t.Fatalf("unwanted result: diff %+v,", diff)
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}
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})
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}
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}
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func sortedAttributes(attrs []core.KeyValue) []core.KeyValue {
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sort.Slice(attrs[:], func(i, j int) bool {
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return attrs[i].Key < attrs[j].Key
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})
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return attrs
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}
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