ExceptionRecognizerCompositeTest.java

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 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  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
 *  with the License.  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
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 *  specific language governing permissions and limitations
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package org.apache.isis.applib.services.exceprecog;

import java.util.Map;
import org.jmock.auto.Mock;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.apache.isis.applib.DomainObjectContainer;
import org.apache.isis.applib.services.i18n.TranslationService;
import org.apache.isis.core.unittestsupport.jmocking.JUnitRuleMockery2;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;

public class ExceptionRecognizerCompositeTest {

    private ExceptionRecognizerComposite composite;

    static class FakeERS implements ExceptionRecognizer {
        private String message;
        public FakeERS(String message) {
            this.message = message;
        }
        @Override
        public String recognize(Throwable ex) {
            return message;
        }
        @Override
        public void init(Map<String, String> properties) {
        }

        @Override
        public void shutdown() {
        }
    }

    @Rule
    public JUnitRuleMockery2 context = JUnitRuleMockery2.createFor(JUnitRuleMockery2.Mode.INTERFACES_AND_CLASSES);

    @Mock
    private DomainObjectContainer mockContainer;

    @Mock
    private TranslationService mockTranslationService;

    @Before
    public void setUp() throws Exception {
        composite = new ExceptionRecognizerComposite();
        composite.container = mockContainer;
        composite.translationService = mockTranslationService;

        context.ignoring(mockContainer);
        context.ignoring(mockTranslationService);
    }
    
    @Test
    public void whenEmpty() {
        assertThat(composite.recognize(new RuntimeException()), is(nullValue()));
    }

    @Test
    public void whenOne() {
        composite.add(new FakeERS("one"));
        assertThat(composite.recognize(new RuntimeException()), is("one"));
    }

    @Test
    public void whenNullThenOne() {
        composite.add(new FakeERS(null));
        composite.add(new FakeERS("one"));
        assertThat(composite.recognize(new RuntimeException()), is("one"));
    }

    @Test
    public void whenOneThenTwo() {
        composite.add(new FakeERS("one"));
        composite.add(new FakeERS("two"));
        assertThat(composite.recognize(new RuntimeException()), is("one"));
    }
}