feat: transaction implement

2026-08-15 02:30:36 +08:00
parent 6515c93378
commit b4e18c6f0c
21 changed files with 3886 additions and 0 deletions
@@ -0,0 +1,34 @@
+package transaction
+
+import "testing"
+
+func TestStateTransitions(t *testing.T) {
+	t.Parallel()
+	forward := []State{
+		StateCreated,
+		StateValidating,
+		StatePrepared,
+		StateStarting,
+		StateSwitching,
+		StateVerifying,
+		StateDraining,
+		StateCommitted,
+	}
+	for index := 0; index < len(forward)-1; index++ {
+		if !forward[index].CanTransitionTo(forward[index+1]) {
+			t.Fatalf("expected transition %s -> %s", forward[index], forward[index+1])
+		}
+	}
+	if StateCreated.CanTransitionTo(StatePrepared) {
+		t.Fatal("state machine accepted a skipped forward state")
+	}
+	if !StateSwitching.CanTransitionTo(StateRollingBack) {
+		t.Fatal("state machine rejected rollback")
+	}
+	if !StateRollingBack.CanTransitionTo(StateRolledBack) {
+		t.Fatal("state machine rejected rollback completion")
+	}
+	if StateCommitted.CanTransitionTo(StateRollingBack) {
+		t.Fatal("terminal state accepted another transition")
+	}
+}