mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
5e66340594
* Move api/baggage to the propagators package * Create Baggage API to match specification * Update CHANGELOG.md * Baggage API unit tests * Rename and add unit test * Update unit test value checking * Update TODO with issue tracking work.
87 lines
2.4 KiB
Go
87 lines
2.4 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 otel
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import (
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"context"
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"testing"
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"go.opentelemetry.io/otel/internal/baggage"
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"go.opentelemetry.io/otel/label"
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)
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func TestBaggage(t *testing.T) {
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ctx := context.Background()
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ctx = baggage.ContextWithMap(ctx, baggage.NewEmptyMap())
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b := Baggage(ctx)
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if b.Len() != 0 {
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t.Fatalf("empty baggage returned a set with %d elements", b.Len())
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}
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first, second, third := label.Key("first"), label.Key("second"), label.Key("third")
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ctx = ContextWithBaggageValues(ctx, first.Bool(true), second.String("2"))
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m := baggage.MapFromContext(ctx)
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v, ok := m.Value(first)
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if !ok {
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t.Fatal("WithBaggageValues failed to set first value")
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}
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if !v.AsBool() {
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t.Fatal("WithBaggageValues failed to set first correct value")
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}
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v, ok = m.Value(second)
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if !ok {
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t.Fatal("WithBaggageValues failed to set second value")
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}
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if v.AsString() != "2" {
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t.Fatal("WithBaggageValues failed to set second correct value")
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}
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_, ok = m.Value(third)
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if ok {
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t.Fatal("WithBaggageValues set an unexpected third value")
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}
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b = Baggage(ctx)
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if b.Len() != 2 {
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t.Fatalf("Baggage returned a set with %d elements, want 2", b.Len())
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}
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v = BaggageValue(ctx, first)
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if v.Type() != label.BOOL || !v.AsBool() {
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t.Fatal("BaggageValue failed to get correct first value")
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}
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v = BaggageValue(ctx, second)
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if v.Type() != label.STRING || v.AsString() != "2" {
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t.Fatal("BaggageValue failed to get correct second value")
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}
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ctx = ContextWithoutBaggageValues(ctx, first)
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m = baggage.MapFromContext(ctx)
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_, ok = m.Value(first)
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if ok {
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t.Fatal("WithoutBaggageValues failed to remove a baggage value")
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}
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_, ok = m.Value(second)
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if !ok {
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t.Fatal("WithoutBaggageValues removed incorrect value")
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}
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ctx = ContextWithoutBaggage(ctx)
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m = baggage.MapFromContext(ctx)
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if m.Len() != 0 {
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t.Fatal("WithoutBaggage failed to clear baggage")
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}
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}
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