forked from open-telemetry/opentelemetry-go
/
env_test.go
121 lines (101 loc) · 2.88 KB
/
env_test.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package env
import (
"os"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
ottest "go.opentelemetry.io/otel/internal/internaltest"
)
func TestEnvParse(t *testing.T) {
testCases := []struct {
name string
keys []string
f func(int) int
}{
{
name: "BatchSpanProcessorScheduleDelay",
keys: []string{BatchSpanProcessorScheduleDelayKey},
f: BatchSpanProcessorScheduleDelay,
},
{
name: "BatchSpanProcessorExportTimeout",
keys: []string{BatchSpanProcessorExportTimeoutKey},
f: BatchSpanProcessorExportTimeout,
},
{
name: "BatchSpanProcessorMaxQueueSize",
keys: []string{BatchSpanProcessorMaxQueueSizeKey},
f: BatchSpanProcessorMaxQueueSize,
},
{
name: "BatchSpanProcessorMaxExportBatchSize",
keys: []string{BatchSpanProcessorMaxExportBatchSizeKey},
f: BatchSpanProcessorMaxExportBatchSize,
},
{
name: "SpanAttributeValueLength",
keys: []string{SpanAttributeValueLengthKey, AttributeValueLengthKey},
f: SpanAttributeValueLength,
},
{
name: "SpanAttributeCount",
keys: []string{SpanAttributeCountKey, AttributeCountKey},
f: SpanAttributeCount,
},
{
name: "SpanEventCount",
keys: []string{SpanEventCountKey},
f: SpanEventCount,
},
{
name: "SpanEventAttributeCount",
keys: []string{SpanEventAttributeCountKey},
f: SpanEventAttributeCount,
},
{
name: "SpanLinkCount",
keys: []string{SpanLinkCountKey},
f: SpanLinkCount,
},
{
name: "SpanLinkAttributeCount",
keys: []string{SpanLinkAttributeCountKey},
f: SpanLinkAttributeCount,
},
}
const (
defVal = 500
envVal = 2500
envValStr = "2500"
invalid = "localhost"
)
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
for _, key := range tc.keys {
t.Run(key, func(t *testing.T) {
envStore := ottest.NewEnvStore()
t.Cleanup(func() { require.NoError(t, envStore.Restore()) })
envStore.Record(key)
assert.Equal(t, defVal, tc.f(defVal), "environment variable unset")
require.NoError(t, os.Setenv(key, envValStr))
assert.Equal(t, envVal, tc.f(defVal), "environment variable set/valid")
require.NoError(t, os.Setenv(key, invalid))
assert.Equal(t, defVal, tc.f(defVal), "invalid value")
})
}
})
}
}