package main

import "testing"

func TestExpectedDBMessagesIncludesObservedWithoutAck(t *testing.T) {
	ledgers := map[string][]AcceptedMessage{
		"a": {{RunID: "run-1", ClientMid: "acked", Topic: "grp-one", Seq: 1}},
	}
	observed := map[string][]AcceptedMessage{
		"a": {
			{RunID: "run-1", ClientMid: "unacked", Topic: "grp-one", Seq: 2},
			{RunID: "other", ClientMid: "foreign", Topic: "grp-one", Seq: 3},
		},
		"b": {{RunID: "run-1", ClientMid: "unacked", Topic: "grp-one", Seq: 2}},
	}

	expected := expectedDBMessages("run-1", ledgers, observed)
	if len(expected) != 2 {
		t.Fatalf("expected messages=%d want=2: %+v", len(expected), expected)
	}
	if expected["acked"].Seq != 1 || expected["unacked"].Seq != 2 {
		t.Fatalf("unexpected merged messages: %+v", expected)
	}
}