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package org.apache.james.protocols.smtp.core.fastfail;

import static org.assertj.core.api.Assertions.assertThat;

import java.util.HashMap;
import java.util.Map;

import org.apache.james.protocols.smtp.SMTPSession;
import org.apache.james.protocols.smtp.hook.HookReturnCode;
import org.apache.james.protocols.smtp.utils.BaseFakeSMTPSession;
import org.junit.Test;

public class MaxUnknownCmdHandlerTest {

    
    @Test
    public void testRejectAndClose() throws Exception {
        SMTPSession session = new BaseFakeSMTPSession() {
            private final HashMap<String,Object> map = new HashMap<>();

            @Override
            public Map<String,Object> getState() {
                return map;
            }

            @Override
            public Object setAttachment(String key, Object value, State state) {
                if (state == State.Connection) {
                    throw new UnsupportedOperationException();

                } else {
                    if (value == null) {
                        return map.remove(key);
                    } else {
                        return map.put(key, value);
                    }
                }
            }

            @Override
            public Object getAttachment(String key, State state) {
                if (state == State.Connection) {
                    throw new UnsupportedOperationException();
                } else {
                    return map.get(key);
                }
            }
        };
        
        
        MaxUnknownCmdHandler handler = new MaxUnknownCmdHandler();
        handler.setMaxUnknownCmdCount(2);
        HookReturnCode resp = handler.doUnknown(session, "what").getResult();
        assertThat(resp).isEqualTo(HookReturnCode.declined());

        resp = handler.doUnknown(session, "what").getResult();
        assertThat(resp).isEqualTo(HookReturnCode.declined());
        
        resp = handler.doUnknown(session, "what").getResult();
        assertThat(resp).isEqualTo(new HookReturnCode(HookReturnCode.Action.DENY, HookReturnCode.ConnectionStatus.Disconnected));
    }
}
