From 466450f0c47bdc614e66326d90e5fc6fb56ae732 Mon Sep 17 00:00:00 2001
From: jwijenbergh <jeroenwijenbergh@protonmail.com>
Date: Mon, 2 May 2022 14:34:35 +0200
Subject: Refactor: Wrap most errors in a custom type

---
 internal/fsm.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'internal/fsm.go')

diff --git a/internal/fsm.go b/internal/fsm.go
index 1bcc479..0b9ad1e 100644
--- a/internal/fsm.go
+++ b/internal/fsm.go
@@ -206,3 +206,21 @@ func (fsm *FSM) generateMermaidGraph() string {
 func (fsm *FSM) GenerateGraph() string {
 	return fsm.generateMermaidGraph()
 }
+
+type FSMWrongStateTransitionError struct {
+	Got  FSMStateID
+	Want FSMStateID
+}
+
+func (e *FSMWrongStateTransitionError) Error() string {
+	return fmt.Sprintf("wrong FSM state, got: %s, want a state with a transition to: %s", e.Got.String(), e.Want.String())
+}
+
+type FSMWrongStateError struct {
+	Got  FSMStateID
+	Want FSMStateID
+}
+
+func (e *FSMWrongStateError) Error() string {
+	return fmt.Sprintf("wrong FSM state, got: %s, want: %s", e.Got.String(), e.Want.String())
+}
-- 
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