Wire Gemini audio into GUI

1 files changed, 78 insertions, 0 deletions

diff --git a/internal/gui/generator_test.go b/internal/gui/generator_test.go
index 7c1e96b..635b990 100644
--- a/internal/gui/generator_test.go
+++ b/internal/gui/generator_test.go
@@ -220,6 +220,84 @@ func TestGenerateAudioUsesSharedOpenAIVoices(t *testing.T) {
 	}
 }
 
+func TestGenerateAudioUsesSharedGeminiVoicesAndAttribution(t *testing.T) {
+	originalFactory := newAudioProvider
+	t.Cleanup(func() {
+		newAudioProvider = originalFactory
+	})
+
+	originalVoices := append([]string(nil), audio.GeminiVoices...)
+	t.Cleanup(func() {
+		audio.GeminiVoices = originalVoices
+	})
+
+	audio.GeminiVoices = []string{"sentinel-gemini-voice"}
+
+	fakeProvider := &fakeAudioProvider{}
+	var capturedConfig *audio.Config
+	newAudioProvider = func(config *audio.Config) (audio.Provider, error) {
+		copyConfig := *config
+		capturedConfig = &copyConfig
+		return fakeProvider, nil
+	}
+
+	tempDir := t.TempDir()
+	cardDir := filepath.Join(tempDir, "card")
+	if err := os.MkdirAll(cardDir, 0755); err != nil {
+		t.Fatalf("failed to create card dir: %v", err)
+	}
+
+	app := &Application{
+		config: &Config{
+			OutputDir:   tempDir,
+			AudioFormat: "wav",
+		},
+		audioConfig: &audio.Config{
+			Provider:       "gemini",
+			OutputDir:      tempDir,
+			GoogleAPIKey:   "google-key",
+			GeminiTTSModel: "gemini-2.5-flash-preview-tts",
+		},
+	}
+
+	outputPath, err := app.generateAudio(context.Background(), "ябълка", cardDir)
+	if err != nil {
+		t.Fatalf("generateAudio() unexpected error: %v", err)
+	}
+
+	if capturedConfig == nil {
+		t.Fatal("expected audio provider config to be captured")
+	}
+	if capturedConfig.Provider != "gemini" {
+		t.Fatalf("captured Provider = %q, want %q", capturedConfig.Provider, "gemini")
+	}
+	if capturedConfig.GeminiVoice != "sentinel-gemini-voice" {
+		t.Fatalf("captured GeminiVoice = %q, want %q", capturedConfig.GeminiVoice, "sentinel-gemini-voice")
+	}
+	if capturedConfig.OutputFormat != "wav" {
+		t.Fatalf("captured OutputFormat = %q, want %q", capturedConfig.OutputFormat, "wav")
+	}
+	if fakeProvider.generateCalls != 1 {
+		t.Fatalf("GenerateAudio() calls = %d, want %d", fakeProvider.generateCalls, 1)
+	}
+	if !strings.HasSuffix(outputPath, "audio.wav") {
+		t.Fatalf("outputPath = %q, want a WAV output file", outputPath)
+	}
+
+	attrPath := audio.AttributionPath(outputPath)
+	attributionData, err := os.ReadFile(attrPath)
+	if err != nil {
+		t.Fatalf("expected attribution file %q: %v", attrPath, err)
+	}
+	attribution := string(attributionData)
+	if !strings.Contains(attribution, "Audio generated by Google Gemini TTS") {
+		t.Fatalf("gemini attribution missing header: %q", attribution)
+	}
+	if !strings.Contains(attribution, "Voice: sentinel-gemini-voice") {
+		t.Fatalf("gemini attribution missing voice: %q", attribution)
+	}
+}
+
 func TestGenerateAudioBgBgUsesSharedOpenAIVoices(t *testing.T) {
 	originalFactory := newAudioProvider
 	t.Cleanup(func() {