1 files changed, 65 insertions, 1 deletions
diff --git a/internal/provider/provider_test.go b/internal/provider/provider_test.go
index 46931d1..147bf44 100644
--- a/internal/provider/provider_test.go
+++ b/internal/provider/provider_test.go
@@ -1,6 +1,10 @@
 package provider
 
-import "testing"
+import (
+	"context"
+	"errors"
+	"testing"
+)
 
 func TestNormalizeName(t *testing.T) {
 	t.Parallel()
@@ -20,3 +24,63 @@ func TestIsKnownName(t *testing.T) {
 		t.Fatal("expected bogus provider to be rejected")
 	}
 }
+
+func TestRegistryNewFromConfig(t *testing.T) {
+	t.Parallel()
+
+	registry := NewTextRegistry()
+	registry.Register(Gemini, func(cfg TextConfig) (TextProvider, error) {
+		return fakeTextProvider{name: cfg.TextProviderName()}, nil
+	})
+
+	provider, err := registry.NewFromConfig(fakeTextConfig{name: "gemini"}, func(cfg TextConfig) string {
+		return cfg.TextProviderName()
+	})
+	if err != nil {
+		t.Fatalf("NewFromConfig() error = %v", err)
+	}
+	if got, want := provider.Name(), "gemini"; got != want {
+		t.Fatalf("provider.Name() = %q, want %q", got, want)
+	}
+}
+
+func TestRegistryUnknownProvider(t *testing.T) {
+	t.Parallel()
+
+	registry := NewTTSRegistry()
+	_, err := registry.New("missing", fakeTTSConfig{})
+	if err == nil {
+		t.Fatal("expected unknown provider error")
+	}
+	if !errors.Is(err, ErrUnknownProvider) {
+		t.Fatalf("error = %v, want ErrUnknownProvider", err)
+	}
+}
+
+type fakeTextConfig struct {
+	name string
+}
+
+func (f fakeTextConfig) TextProviderName() string { return f.name }
+
+type fakeTTSConfig struct{}
+
+func (fakeTTSConfig) TTSProviderName() string { return "missing" }
+
+type fakeTextProvider struct {
+	name string
+}
+
+func (f fakeTextProvider) Name() string       { return f.name }
+func (f fakeTextProvider) IsAvailable() error { return nil }
+func (f fakeTextProvider) GenerateText(_ context.Context, _ string) (string, error) {
+	return "", nil
+}
+
+type fakeTTSProvider struct{}
+
+func (fakeTTSProvider) Name() string       { return "missing" }
+func (fakeTTSProvider) IsAvailable() error { return nil }
+func (fakeTTSProvider) GenerateAudio(_ context.Context, _ string, _ string) error {
+	return nil
+}