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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james.utils;
import static  org.assertj.core.api.Assertions.assertThat;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

import com.google.common.collect.ImmutableSet;

public class GuiceProbeProviderTest {

    private GuiceProbeProvider guiceProbeProvider;
    @Rule
    public ExpectedException expectedException = ExpectedException.none();
    private GuiceProbe1 guiceProbe1;

    @Before
    public void setUp() throws Exception {
        guiceProbe1 = new GuiceProbe1();
        guiceProbeProvider = new GuiceProbeProvider(ImmutableSet.of(guiceProbe1));
    }

    @Test
    public void getProveShouldThrowExcpetionWhenNull() {
        expectedException.expect(NullPointerException.class);

        guiceProbeProvider.getProbe(null);
    }
    
    @Test
    public void getProbeShouldThrowRuntimeExceptionWhenEmpty() {
        expectedException.expect(RuntimeException.class);

        guiceProbeProvider.getProbe(GuiceProbe2.class);
    }

    @Test
    public void getProbeShouldReturnRightProbe() {
        assertThat(guiceProbeProvider.getProbe(GuiceProbe1.class)).isEqualTo(guiceProbe1);
    }

    class GuiceProbe1 implements GuiceProbe {

    }

    class GuiceProbe2 implements GuiceProbe {

    }
}