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https://github.com/open-telemetry/opentelemetry-go.git
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1e4a609495
* support zipkin exporter endpoint env Signed-off-by: Ben Ye <ben.ye@bytedance.com> * update interface and changelog Signed-off-by: Ben Ye <ben.ye@bytedance.com> * add pr number Signed-off-by: Ben Ye <ben.ye@bytedance.com> * fix lint Signed-off-by: Ben Ye <ben.ye@bytedance.com> * add import Signed-off-by: Ben Ye <ben.ye@bytedance.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
63 lines
1.9 KiB
Go
63 lines
1.9 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 zipkin
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import (
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"os"
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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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ottest "go.opentelemetry.io/otel/internal/internaltest"
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)
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func TestEnvOrWithCollectorEndpointOptionsFromEnv(t *testing.T) {
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testCases := []struct {
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name string
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envEndpoint string
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defaultCollectorEndpoint string
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expectedCollectorEndpoint string
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}{
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{
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name: "overrides value via environment variables",
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envEndpoint: "http://localhost:19411/foo",
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defaultCollectorEndpoint: defaultCollectorURL,
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expectedCollectorEndpoint: "http://localhost:19411/foo",
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},
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{
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name: "environment variables is empty, will not overwrite value",
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envEndpoint: "",
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defaultCollectorEndpoint: defaultCollectorURL,
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expectedCollectorEndpoint: defaultCollectorURL,
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},
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}
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envStore := ottest.NewEnvStore()
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envStore.Record(envEndpoint)
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defer func() {
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require.NoError(t, envStore.Restore())
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}()
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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require.NoError(t, os.Setenv(envEndpoint, tc.envEndpoint))
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endpoint := envOr(envEndpoint, tc.defaultCollectorEndpoint)
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assert.Equal(t, tc.expectedCollectorEndpoint, endpoint)
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})
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}
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}
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