mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-10 09:50:58 +02:00
4bf6150fa9
* Rename baggage context file * Initial baggage implementation * Initial tests * More tests * Update baggage context functionality * Add New method to baggage pkg * Update namedtracer example * URL encode baggage values * Refactor and use internal baggage pkg * Update OpenTracing bridge * Update baggage propagator * Fix lint and test errors * Add changes to changelog * Apply suggestions from code review * Rename testcase field per suggestion * Update test to verify last-one-wins semantics * Explicitly seed random numbers with static seed in tests * Parse Member key/value with string split * Add test for member parse with equal signs in value * Trim whitespaces for member key/value
97 lines
2.8 KiB
Go
97 lines
2.8 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 baggage
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestContextWithList(t *testing.T) {
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ctx := context.Background()
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l := List{"foo": {Value: "1"}}
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nCtx := ContextWithList(ctx, l)
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assert.Equal(t, baggageState{list: l}, nCtx.Value(baggageKey))
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assert.Nil(t, ctx.Value(baggageKey))
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}
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func TestClearContextOfList(t *testing.T) {
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l := List{"foo": {Value: "1"}}
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ctx := context.Background()
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ctx = context.WithValue(ctx, baggageKey, l)
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nCtx := ContextWithList(ctx, nil)
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nL, ok := nCtx.Value(baggageKey).(baggageState)
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require.True(t, ok, "wrong type stored in context")
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assert.Nil(t, nL.list)
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assert.Equal(t, l, ctx.Value(baggageKey))
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}
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func TestListFromContext(t *testing.T) {
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ctx := context.Background()
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assert.Nil(t, ListFromContext(ctx))
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l := List{"foo": {Value: "1"}}
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ctx = context.WithValue(ctx, baggageKey, baggageState{list: l})
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assert.Equal(t, l, ListFromContext(ctx))
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}
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func TestContextWithSetHook(t *testing.T) {
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var called bool
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f := func(ctx context.Context, list List) context.Context {
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called = true
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return ctx
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}
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ctx := context.Background()
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ctx = ContextWithSetHook(ctx, f)
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assert.False(t, called, "SetHookFunc called when setting hook")
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ctx = ContextWithList(ctx, nil)
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assert.True(t, called, "SetHookFunc not called when setting List")
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// Ensure resetting the hook works.
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called = false
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ctx = ContextWithSetHook(ctx, f)
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assert.False(t, called, "SetHookFunc called when re-setting hook")
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ContextWithList(ctx, nil)
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assert.True(t, called, "SetHookFunc not called when re-setting List")
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}
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func TestContextWithGetHook(t *testing.T) {
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var called bool
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f := func(ctx context.Context, list List) List {
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called = true
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return list
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}
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ctx := context.Background()
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ctx = ContextWithGetHook(ctx, f)
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assert.False(t, called, "GetHookFunc called when setting hook")
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_ = ListFromContext(ctx)
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assert.True(t, called, "GetHookFunc not called when getting List")
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// Ensure resetting the hook works.
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called = false
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ctx = ContextWithGetHook(ctx, f)
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assert.False(t, called, "GetHookFunc called when re-setting hook")
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_ = ListFromContext(ctx)
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assert.True(t, called, "GetHookFunc not called when re-getting List")
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}
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