Files
substrate/internal/serverboot/serverboot_test.go
T

62 lines
1.9 KiB
Go

// Copyright 2026 Google LLC
//
// 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 serverboot
import (
"context"
"testing"
"go.opentelemetry.io/otel/sdk/resource"
semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
)
func resourceAttrs(res *resource.Resource) map[string]string {
m := make(map[string]string)
for _, kv := range res.Attributes() {
m[string(kv.Key)] = kv.Value.Emit()
}
return m
}
func TestNewResourceDefaults(t *testing.T) {
res, err := newResource(context.Background(), "ateapi")
if err != nil {
t.Fatalf("newResource: %v", err)
}
attrs := resourceAttrs(res)
if got := attrs[string(semconv.ServiceNameKey)]; got != "ateapi" {
t.Errorf("service.name = %q, want ateapi", got)
}
if attrs[string(semconv.ServiceInstanceIDKey)] == "" {
t.Error("service.instance.id must be set")
}
}
func TestNewResourceEnvWins(t *testing.T) {
t.Setenv("OTEL_SERVICE_NAME", "from-env")
t.Setenv("OTEL_RESOURCE_ATTRIBUTES", "service.instance.id=fixed-id")
res, err := newResource(context.Background(), "ateapi")
if err != nil {
t.Fatalf("newResource: %v", err)
}
attrs := resourceAttrs(res)
if got := attrs[string(semconv.ServiceNameKey)]; got != "from-env" {
t.Errorf("service.name = %q, want from-env (OTEL_SERVICE_NAME must win)", got)
}
if got := attrs[string(semconv.ServiceInstanceIDKey)]; got != "fixed-id" {
t.Errorf("service.instance.id = %q, want fixed-id (OTEL_RESOURCE_ATTRIBUTES must win)", got)
}
}