feat: initial commit

test/testutil/fake_message_gateway.go

@@ -0,0 +1,22 @@
+package testutil
+
+import "context"
+
+type FakeMessageGateway struct {
+	LastSentText  string
+	LastChatID    int64
+	TypingChatIDs []int64
+	SendError     error
+	TypingError   error
+}
+
+func (f *FakeMessageGateway) SendText(_ context.Context, chatID int64, text string) error {
+	f.LastChatID = chatID
+	f.LastSentText = text
+	return f.SendError
+}
+
+func (f *FakeMessageGateway) SendTyping(_ context.Context, chatID int64) error {
+	f.TypingChatIDs = append(f.TypingChatIDs, chatID)
+	return f.TypingError
+}