Add STT and TTS clients

internal/tts/tts_test.go

@@ -0,0 +1,236 @@
+package tts
+
+import (
+	"testing"
+)
+
+func TestConfigValidate(t *testing.T) {
+	tests := []struct {
+		name    string
+		cfg     Config
+		wantErr bool
+	}{
+		{
+			name:    "empty config",
+			cfg:     Config{},
+			wantErr: true,
+		},
+		{
+			name: "missing URL",
+			cfg: Config{
+				Voice: "af_heart",
+			},
+			wantErr: true,
+		},
+		{
+			name: "missing voice",
+			cfg: Config{
+				URL: "http://localhost:8880",
+			},
+			wantErr: true,
+		},
+		{
+			name: "invalid timeout",
+			cfg: Config{
+				URL:     "http://localhost:8880",
+				Voice:   "af_heart",
+				Timeout: "not-a-duration",
+			},
+			wantErr: true,
+		},
+		{
+			name: "valid minimal config",
+			cfg: Config{
+				URL:   "http://localhost:8880",
+				Voice: "af_heart",
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid config with timeout",
+			cfg: Config{
+				URL:     "http://localhost:8880",
+				Voice:   "af_heart",
+				Timeout: "120s",
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid config with voice map",
+			cfg: Config{
+				URL:   "http://localhost:8880",
+				Voice: "af_heart",
+				VoiceMap: map[string]string{
+					"english": "af_heart",
+					"chinese": "zf_xiaobei",
+				},
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.cfg.Validate()
+			if (err != nil) != tt.wantErr {
+				t.Errorf(
+					"Validate() error = %v, wantErr %v",
+					err, tt.wantErr,
+				)
+			}
+		})
+	}
+}
+
+func TestNewClient(t *testing.T) {
+	tests := []struct {
+		name    string
+		cfg     Config
+		wantErr bool
+	}{
+		{
+			name:    "invalid config",
+			cfg:     Config{},
+			wantErr: true,
+		},
+		{
+			name: "valid config without timeout",
+			cfg: Config{
+				URL:   "http://localhost:8880",
+				Voice: "af_heart",
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid config with timeout",
+			cfg: Config{
+				URL:     "http://localhost:8880",
+				Voice:   "af_heart",
+				Timeout: "90s",
+			},
+			wantErr: false,
+		},
+		{
+			name: "valid config with custom voice map",
+			cfg: Config{
+				URL:   "http://localhost:8880",
+				Voice: "af_heart",
+				VoiceMap: map[string]string{
+					"english": "custom_en",
+					"french":  "custom_fr",
+				},
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			client, err := NewClient(tt.cfg, nil)
+			if (err != nil) != tt.wantErr {
+				t.Errorf(
+					"NewClient() error = %v, wantErr %v",
+					err, tt.wantErr,
+				)
+				return
+			}
+			if !tt.wantErr && client == nil {
+				t.Error("NewClient() returned nil client")
+			}
+		})
+	}
+}
+
+func TestSelectVoice(t *testing.T) {
+	tests := []struct {
+		name     string
+		voiceMap map[string]string
+		lang     string
+		want     string
+	}{
+		{
+			name:     "default map english",
+			voiceMap: nil,
+			lang:     "english",
+			want:     "af_heart",
+		},
+		{
+			name:     "default map chinese",
+			voiceMap: nil,
+			lang:     "chinese",
+			want:     "zf_xiaobei",
+		},
+		{
+			name:     "default map japanese",
+			voiceMap: nil,
+			lang:     "japanese",
+			want:     "jf_alpha",
+		},
+		{
+			name:     "default map unknown language",
+			voiceMap: nil,
+			lang:     "klingon",
+			want:     "",
+		},
+		{
+			name: "custom map",
+			voiceMap: map[string]string{
+				"english": "custom_english",
+				"german":  "custom_german",
+			},
+			lang: "english",
+			want: "custom_english",
+		},
+		{
+			name: "custom map missing language",
+			voiceMap: map[string]string{
+				"english": "custom_english",
+			},
+			lang: "french",
+			want: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg := Config{
+				URL:      "http://localhost:8880",
+				Voice:    "af_heart",
+				VoiceMap: tt.voiceMap,
+			}
+			client, err := NewClient(cfg, nil)
+			if err != nil {
+				t.Fatalf("NewClient() error = %v", err)
+			}
+
+			got := client.SelectVoice(tt.lang)
+			if got != tt.want {
+				t.Errorf(
+					"SelectVoice(%q) = %q, want %q",
+					tt.lang, got, tt.want,
+				)
+			}
+		})
+	}
+}
+
+func TestDefaultVoiceMap(t *testing.T) {
+	// Verify that DefaultVoiceMap contains expected entries.
+	expected := map[string]string{
+		"english":  "af_heart",
+		"chinese":  "zf_xiaobei",
+		"japanese": "jf_alpha",
+		"spanish":  "ef_dora",
+		"french":   "ff_siwis",
+		"korean":   "kf_sarah",
+	}
+
+	for lang, voice := range expected {
+		if got := defaultVoices[lang]; got != voice {
+			t.Errorf(
+				"DefaultVoiceMap[%q] = %q, want %q",
+				lang, got, voice,
+			)
+		}
+	}
+}