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Self-Observability is a redundant term, the self being instrumented is always the self that observability is being provided for. Remove this redundancy. Continue to provide backwards compatibility for any users already using `OTEL_GO_X_SELF_OBSERVABILITY` to enable the feature. --------- Co-authored-by: Damien Mathieu <42@dmathieu.com>
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package x
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import (
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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 TestObservability(t *testing.T) {
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const key = "OTEL_GO_X_OBSERVABILITY"
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require.Contains(t, Observability.Keys(), key)
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const altKey = "OTEL_GO_X_SELF_OBSERVABILITY"
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require.Contains(t, Observability.Keys(), altKey)
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t.Run("100", run(setenv(key, "100"), assertDisabled(Observability)))
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t.Run("true", run(setenv(key, "true"), assertEnabled(Observability, "true")))
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t.Run("True", run(setenv(key, "True"), assertEnabled(Observability, "True")))
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t.Run("false", run(setenv(key, "false"), assertDisabled(Observability)))
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t.Run("empty", run(assertDisabled(Observability)))
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}
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func run(steps ...func(*testing.T)) func(*testing.T) {
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return func(t *testing.T) {
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t.Helper()
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for _, step := range steps {
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step(t)
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}
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}
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}
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func setenv(k, v string) func(t *testing.T) { //nolint:unparam // This is a reusable test utility function.
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return func(t *testing.T) { t.Setenv(k, v) }
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}
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func assertEnabled[T any](f Feature[T], want T) func(*testing.T) {
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return func(t *testing.T) {
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t.Helper()
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assert.True(t, f.Enabled(), "not enabled")
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v, ok := f.Lookup()
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assert.True(t, ok, "Lookup state")
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assert.Equal(t, want, v, "Lookup value")
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}
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}
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func assertDisabled[T any](f Feature[T]) func(*testing.T) {
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var zero T
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return func(t *testing.T) {
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t.Helper()
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assert.False(t, f.Enabled(), "enabled")
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v, ok := f.Lookup()
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assert.False(t, ok, "Lookup state")
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assert.Equal(t, zero, v, "Lookup value")
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}
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}
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