/*
 * Copyright 2005-2011 the original author or authors.
 * 
 * Licensed 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
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wamblee.xmlrouter.impl;

import static junit.framework.Assert.*;
import static org.mockito.Matchers.*;
import static org.mockito.Mockito.*;

import javax.xml.transform.dom.DOMSource;

import org.junit.Before;
import org.junit.Test;
import org.wamblee.xmlrouter.common.Id;
import org.wamblee.xmlrouter.config.DocumentType;

public class RobustDocumentTypeTest {

    private DocumentType documentType;
    private DocumentType robust;
    private DOMSource source;

    @Before
    public void setUp() {
        documentType = mock(DocumentType.class);
        when(documentType.getId()).thenReturn(new Id<DocumentType>("docid"));
        robust = new RobustDocumentType("app1", documentType);
        source = mock(DOMSource.class);
    }

    @Test
    public void testNoEzception() {
        when(documentType.isInstance(any(DOMSource.class))).thenReturn(true);
        when(documentType.getName()).thenReturn("hello");
        assertTrue(robust.isInstance(source));
        assertEquals("hello", robust.getName());

        verify(documentType).isInstance(same(source));

        reset(documentType);
        when(documentType.isInstance(any(DOMSource.class))).thenReturn(false);
        assertFalse(robust.isInstance(source));
        verify(documentType).isInstance(same(source));
    }

    @Test
    public void testExceptionInIsInstance() {
        doThrow(new RuntimeException("bla")).when(documentType).isInstance(
            any(DOMSource.class));
        assertFalse(robust.isInstance(source));
        verify(documentType).isInstance(same(source));
    }

    @Test
    public void testExceptionInValidate() {
        doThrow(new RuntimeException("bla")).when(documentType).validate(
            any(DOMSource.class));
        assertFalse(robust.validate(source));
        verify(documentType).validate(same(source));
    }

    @Test
    public void testExceptionInGetName() {
        doThrow(new RuntimeException("bla")).when(documentType).getName();
        assertEquals(Constants.UNKNOWN_DOCUMENT_TYPE.toString(),
            robust.getName());
    }

    @Test
    public void testGetNameReturnsNull() {
        when(documentType.getName()).thenReturn(null);
        assertEquals(Constants.UNKNOWN_DOCUMENT_TYPE.toString(),
            robust.getName());
    }
}