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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package x
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestResource(t *testing.T) {
const key = "OTEL_GO_X_RESOURCE"
require.Equal(t, key, Resource.Key())
t.Run("true", run(setenv(key, "true"), assertEnabled(Resource, "true")))
t.Run("True", run(setenv(key, "True"), assertEnabled(Resource, "True")))
t.Run("TRUE", run(setenv(key, "TRUE"), assertEnabled(Resource, "TRUE")))
t.Run("false", run(setenv(key, "false"), assertDisabled(Resource)))
t.Run("1", run(setenv(key, "1"), assertDisabled(Resource)))
t.Run("empty", run(assertDisabled(Resource)))
}
func run(steps ...func(*testing.T)) func(*testing.T) {
return func(t *testing.T) {
t.Helper()
for _, step := range steps {
step(t)
}
}
}
func setenv(k, v string) func(t *testing.T) { //nolint:unparam
return func(t *testing.T) { t.Setenv(k, v) }
}
func assertEnabled[T any](f Feature[T], want T) func(*testing.T) {
return func(t *testing.T) {
t.Helper()
assert.True(t, f.Enabled(), "not enabled")
v, ok := f.Lookup()
assert.True(t, ok, "Lookup state")
assert.Equal(t, want, v, "Lookup value")
}
}
func assertDisabled[T any](f Feature[T]) func(*testing.T) {
var zero T
return func(t *testing.T) {
t.Helper()
assert.False(t, f.Enabled(), "enabled")
v, ok := f.Lookup()
assert.False(t, ok, "Lookup state")
assert.Equal(t, zero, v, "Lookup value")
}
}
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