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msgcat_bench_test.go
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package msgcat_test
import (
"context"
"os"
"path/filepath"
"testing"
"time"
"github.com/loopcontext/msgcat"
)
func makeBenchCatalog(b *testing.B) msgcat.MessageCatalog {
b.Helper()
tmpDir, err := os.MkdirTemp("", "msgcat-bench-*")
if err != nil {
b.Fatalf("failed to create temp dir: %v", err)
}
b.Cleanup(func() { _ = os.RemoveAll(tmpDir) })
en := []byte("default:\n short: Unexpected error\n long: Unexpected message code [{{key}}]\nset:\n greeting.hello:\n short: Hello {{name}}\n long: Number {{num:amount}} at {{date:when}}\n")
if err := os.WriteFile(filepath.Join(tmpDir, "en.yaml"), en, 0o600); err != nil {
b.Fatalf("failed to write fixture: %v", err)
}
catalog, err := msgcat.NewMessageCatalog(msgcat.Config{ResourcePath: tmpDir})
if err != nil {
b.Fatalf("failed to create catalog: %v", err)
}
b.Cleanup(func() { _ = msgcat.Close(catalog) })
return catalog
}
type noopObserver struct{}
func (noopObserver) OnLanguageFallback(requestedLang string, resolvedLang string) {}
func (noopObserver) OnLanguageMissing(lang string) {}
func (noopObserver) OnMessageMissing(lang string, msgKey string) {}
func (noopObserver) OnTemplateIssue(lang string, msgKey string, issue string) {}
func BenchmarkGetMessageWithCtx(b *testing.B) {
catalog := makeBenchCatalog(b)
ctx := context.WithValue(context.Background(), "language", "en")
date := time.Date(2026, time.January, 5, 12, 0, 0, 0, time.UTC)
params := msgcat.Params{"name": "world", "amount": 12345.67, "when": date}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = catalog.GetMessageWithCtx(ctx, "greeting.hello", params)
}
}
func BenchmarkGetErrorWithCtx(b *testing.B) {
catalog := makeBenchCatalog(b)
ctx := context.WithValue(context.Background(), "language", "en")
date := time.Date(2026, time.January, 5, 12, 0, 0, 0, time.UTC)
params := msgcat.Params{"name": "world", "amount": 12345.67, "when": date}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = catalog.GetErrorWithCtx(ctx, "greeting.hello", params)
}
}
func BenchmarkGetMessageWithCtxStrictOff(b *testing.B) {
tmpDir, err := os.MkdirTemp("", "msgcat-bench-strict-off-*")
if err != nil {
b.Fatalf("failed to create temp dir: %v", err)
}
b.Cleanup(func() { _ = os.RemoveAll(tmpDir) })
en := []byte("default:\n short: Unexpected error\n long: Unexpected message code [{{key}}]\nset:\n greeting.hello:\n short: Hello {{name}}\n long: Number {{num:amount}} at {{date:when}}\n")
if err := os.WriteFile(filepath.Join(tmpDir, "en.yaml"), en, 0o600); err != nil {
b.Fatalf("failed to write fixture: %v", err)
}
catalog, err := msgcat.NewMessageCatalog(msgcat.Config{ResourcePath: tmpDir, StrictTemplates: false})
if err != nil {
b.Fatalf("failed to create catalog: %v", err)
}
b.Cleanup(func() { _ = msgcat.Close(catalog) })
ctx := context.WithValue(context.Background(), "language", "en")
date := time.Date(2026, time.January, 5, 12, 0, 0, 0, time.UTC)
params := msgcat.Params{"name": "world", "amount": 12345.67, "when": date}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = catalog.GetMessageWithCtx(ctx, "greeting.hello", params)
}
}
func BenchmarkGetMessageWithCtxStrictOn(b *testing.B) {
tmpDir, err := os.MkdirTemp("", "msgcat-bench-strict-on-*")
if err != nil {
b.Fatalf("failed to create temp dir: %v", err)
}
b.Cleanup(func() { _ = os.RemoveAll(tmpDir) })
en := []byte("default:\n short: Unexpected error\n long: Unexpected message code [{{key}}]\nset:\n greeting.hello:\n short: Hello {{name}}\n long: Number {{num:amount}} at {{date:when}}\n")
if err := os.WriteFile(filepath.Join(tmpDir, "en.yaml"), en, 0o600); err != nil {
b.Fatalf("failed to write fixture: %v", err)
}
catalog, err := msgcat.NewMessageCatalog(msgcat.Config{ResourcePath: tmpDir, StrictTemplates: true})
if err != nil {
b.Fatalf("failed to create catalog: %v", err)
}
b.Cleanup(func() { _ = msgcat.Close(catalog) })
ctx := context.WithValue(context.Background(), "language", "en")
date := time.Date(2026, time.January, 5, 12, 0, 0, 0, time.UTC)
params := msgcat.Params{"name": "world", "amount": 12345.67, "when": date}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = catalog.GetMessageWithCtx(ctx, "greeting.hello", params)
}
}
func BenchmarkGetMessageWithCtxFallbackChain(b *testing.B) {
tmpDir, err := os.MkdirTemp("", "msgcat-bench-fallback-*")
if err != nil {
b.Fatalf("failed to create temp dir: %v", err)
}
b.Cleanup(func() { _ = os.RemoveAll(tmpDir) })
es := []byte("default:\n short: Error inesperado\n long: Error {{key}}\nset:\n greeting.hello:\n short: Hola {{name}}\n")
if err := os.WriteFile(filepath.Join(tmpDir, "es.yaml"), es, 0o600); err != nil {
b.Fatalf("failed to write fixture: %v", err)
}
catalog, err := msgcat.NewMessageCatalog(msgcat.Config{
ResourcePath: tmpDir,
DefaultLanguage: "en",
FallbackLanguages: []string{"es"},
})
if err != nil {
b.Fatalf("failed to create catalog: %v", err)
}
b.Cleanup(func() { _ = msgcat.Close(catalog) })
ctx := context.WithValue(context.Background(), "language", "es-MX")
params := msgcat.Params{"name": "world"}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = catalog.GetMessageWithCtx(ctx, "greeting.hello", params)
}
}
func BenchmarkGetMessageWithCtxObserverEnabled(b *testing.B) {
tmpDir, err := os.MkdirTemp("", "msgcat-bench-observer-*")
if err != nil {
b.Fatalf("failed to create temp dir: %v", err)
}
b.Cleanup(func() { _ = os.RemoveAll(tmpDir) })
en := []byte("default:\n short: Unexpected error\n long: Unexpected message code [{{key}}]\nset:\n greeting.hello:\n short: Hello {{name}}\n")
if err := os.WriteFile(filepath.Join(tmpDir, "en.yaml"), en, 0o600); err != nil {
b.Fatalf("failed to write fixture: %v", err)
}
catalog, err := msgcat.NewMessageCatalog(msgcat.Config{
ResourcePath: tmpDir,
Observer: noopObserver{},
ObserverBuffer: 1024,
})
if err != nil {
b.Fatalf("failed to create catalog: %v", err)
}
b.Cleanup(func() { _ = msgcat.Close(catalog) })
ctx := context.WithValue(context.Background(), "language", "en")
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = catalog.GetMessageWithCtx(ctx, "missing.key", nil)
}
}