feat: initial commit

internal/application/usecase/handle_voice_message_test.go

@@ -0,0 +1,99 @@
+package usecase_test
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/paramah/gw_telegram/internal/application/dto"
+	"github.com/paramah/gw_telegram/internal/application/usecase"
+	"github.com/paramah/gw_telegram/internal/domain/entity"
+	"github.com/paramah/gw_telegram/test/testutil"
+)
+
+func validVoiceDTO() dto.IncomingMessageDTO {
+	return dto.IncomingMessageDTO{
+		MessageID:   2,
+		ChatID:      100,
+		UserID:      200,
+		Username:    "testuser",
+		VoiceFileID: "file_abc123",
+		IsVoice:     true,
+	}
+}
+
+func TestHandleVoiceMessage_Execute_HappyPath(t *testing.T) {
+	downloader := &testutil.FakeFileDownloader{
+		Data:     []byte("fake-ogg-audio"),
+		MimeType: "audio/ogg",
+	}
+	converter := &testutil.FakeAudioConverter{Output: []byte("fake-wav-audio")}
+	transcriber := &testutil.FakeSpeechTranscriber{Transcript: "I need help with my order"}
+	router := &testutil.FakeIntentRouter{
+		RouteResult: entity.Route{IntentName: "order_inquiry"},
+	}
+	dispatcher := &testutil.FakeWorkflowDispatcher{
+		Response: entity.WorkflowResponse{ReplyText: "Order status: shipped"},
+	}
+	sessions := &testutil.FakeSessionStore{}
+	gateway := &testutil.FakeMessageGateway{}
+
+	textUC := usecase.NewHandleTextMessage(router, dispatcher, sessions, gateway, newTestLogger())
+	uc := usecase.NewHandleVoiceMessage(downloader, converter, transcriber, textUC, gateway, newTestLogger())
+
+	err := uc.Execute(context.Background(), validVoiceDTO())
+
+	require.NoError(t, err)
+	assert.Equal(t, 1, transcriber.CallCount)
+	assert.Equal(t, 1, dispatcher.CallCount)
+	assert.Equal(t, "I need help with my order", dispatcher.LastRequest.MessageText)
+	assert.Equal(t, "Order status: shipped", gateway.LastSentText)
+}
+
+func TestHandleVoiceMessage_Execute_DownloadFails(t *testing.T) {
+	downloader := &testutil.FakeFileDownloader{Error: errors.New("download error")}
+	transcriber := &testutil.FakeSpeechTranscriber{}
+	gateway := &testutil.FakeMessageGateway{}
+
+	textUC := usecase.NewHandleTextMessage(
+		&testutil.FakeIntentRouter{},
+		&testutil.FakeWorkflowDispatcher{},
+		&testutil.FakeSessionStore{},
+		gateway,
+		newTestLogger(),
+	)
+	uc := usecase.NewHandleVoiceMessage(downloader, &testutil.FakeAudioConverter{}, transcriber, textUC, gateway, newTestLogger())
+
+	err := uc.Execute(context.Background(), validVoiceDTO())
+
+	assert.Error(t, err)
+	assert.Equal(t, 0, transcriber.CallCount)
+	assert.NotEmpty(t, gateway.LastSentText) // error message sent
+}
+
+func TestHandleVoiceMessage_Execute_TranscriptionFails(t *testing.T) {
+	downloader := &testutil.FakeFileDownloader{
+		Data:     []byte("audio"),
+		MimeType: "audio/ogg",
+	}
+	transcriber := &testutil.FakeSpeechTranscriber{Error: errors.New("whisper error")}
+	gateway := &testutil.FakeMessageGateway{}
+	dispatcher := &testutil.FakeWorkflowDispatcher{}
+
+	textUC := usecase.NewHandleTextMessage(
+		&testutil.FakeIntentRouter{},
+		dispatcher,
+		&testutil.FakeSessionStore{},
+		gateway,
+		newTestLogger(),
+	)
+	uc := usecase.NewHandleVoiceMessage(downloader, &testutil.FakeAudioConverter{}, transcriber, textUC, gateway, newTestLogger())
+
+	err := uc.Execute(context.Background(), validVoiceDTO())
+
+	assert.Error(t, err)
+	assert.Equal(t, 0, dispatcher.CallCount)
+	assert.NotEmpty(t, gateway.LastSentText)
+}