mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
d0e4a438ef
* Handle empty env vars as it they were not set * Add changelog entry * Add missing unit test
125 lines
3.0 KiB
Go
125 lines
3.0 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 env
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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 TestEnvParse(t *testing.T) {
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testCases := []struct {
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name string
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keys []string
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f func(int) int
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}{
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{
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name: "BatchSpanProcessorScheduleDelay",
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keys: []string{BatchSpanProcessorScheduleDelayKey},
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f: BatchSpanProcessorScheduleDelay,
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},
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{
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name: "BatchSpanProcessorExportTimeout",
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keys: []string{BatchSpanProcessorExportTimeoutKey},
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f: BatchSpanProcessorExportTimeout,
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},
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{
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name: "BatchSpanProcessorMaxQueueSize",
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keys: []string{BatchSpanProcessorMaxQueueSizeKey},
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f: BatchSpanProcessorMaxQueueSize,
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},
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{
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name: "BatchSpanProcessorMaxExportBatchSize",
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keys: []string{BatchSpanProcessorMaxExportBatchSizeKey},
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f: BatchSpanProcessorMaxExportBatchSize,
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},
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{
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name: "SpanAttributeValueLength",
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keys: []string{SpanAttributeValueLengthKey, AttributeValueLengthKey},
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f: SpanAttributeValueLength,
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},
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{
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name: "SpanAttributeCount",
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keys: []string{SpanAttributeCountKey, AttributeCountKey},
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f: SpanAttributeCount,
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},
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{
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name: "SpanEventCount",
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keys: []string{SpanEventCountKey},
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f: SpanEventCount,
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},
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{
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name: "SpanEventAttributeCount",
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keys: []string{SpanEventAttributeCountKey},
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f: SpanEventAttributeCount,
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},
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{
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name: "SpanLinkCount",
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keys: []string{SpanLinkCountKey},
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f: SpanLinkCount,
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},
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{
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name: "SpanLinkAttributeCount",
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keys: []string{SpanLinkAttributeCountKey},
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f: SpanLinkAttributeCount,
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},
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}
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const (
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defVal = 500
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envVal = 2500
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envValStr = "2500"
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invalid = "localhost"
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empty = ""
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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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for _, key := range tc.keys {
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t.Run(key, func(t *testing.T) {
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envStore := ottest.NewEnvStore()
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t.Cleanup(func() { require.NoError(t, envStore.Restore()) })
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envStore.Record(key)
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assert.Equal(t, defVal, tc.f(defVal), "environment variable unset")
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require.NoError(t, os.Setenv(key, envValStr))
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assert.Equal(t, envVal, tc.f(defVal), "environment variable set/valid")
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require.NoError(t, os.Setenv(key, invalid))
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assert.Equal(t, defVal, tc.f(defVal), "invalid value")
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require.NoError(t, os.Setenv(key, empty))
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assert.Equal(t, defVal, tc.f(defVal), "empty value")
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})
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}
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})
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}
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}
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