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builder_test.go

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package oops

import (

"context"

"testing"

)

type stringerContextKey int

func (k stringerContextKey) String() string { return "request_id" }

func TestWithContextPreservesStringerKeyIdentity(t *testing.T) {

t.Parallel()

key := stringerContextKey(1)

ctx := context.WithValue(context.Background(), key, "typed value")

// A string key with the same display name must not shadow the typed key.

ctx = context.WithValue(ctx, "request_id", "string value") //nolint:staticcheck,revive

wrapped := WithContext(ctx, key).Errorf("failed")

err, ok := wrapped.(OopsError)

if !ok {

t.Fatalf("unexpected error type: %T", wrapped)

}

if got := err.context["request_id"]; got != "typed value" {

t.Fatalf("context value = %v", got)

}

}