org.apache.padaf.preflight.utils.TestCOSUtils.java Source code

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Here is the source code for org.apache.padaf.preflight.utils.TestCOSUtils.java

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package org.apache.padaf.preflight.utils;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;

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

import org.apache.padaf.preflight.utils.COSUtils;
import org.apache.pdfbox.cos.COSArray;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSDocument;
import org.apache.pdfbox.cos.COSFloat;
import org.apache.pdfbox.cos.COSInteger;
import org.apache.pdfbox.cos.COSObject;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.cos.COSString;
import org.apache.pdfbox.io.RandomAccess;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.persistence.util.COSObjectKey;
import org.junit.Test;

public class TestCOSUtils {

    @Test
    public void testIsInteger() {
        try {
            COSObject co = new COSObject(new COSInteger(10));
            co.setGenerationNumber(COSInteger.ZERO);
            co.setObjectNumber(new COSInteger(10));

            assertFalse(COSUtils.isInteger(co, new IOCOSDocument()));

            COSDocument doc = new COSDocument();
            addToXref(doc, new COSObjectKey(co), 1000);
            COSUtils.isInteger(co, doc);
            doc.close();
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    @Test
    public void testIsFloat() {
        try {
            COSObject co = new COSObject(new COSFloat(10.0f));
            co.setGenerationNumber(COSInteger.ZERO);
            co.setObjectNumber(new COSInteger(10));

            assertFalse(COSUtils.isFloat(co, new IOCOSDocument()));

            COSDocument doc = new COSDocument();
            addToXref(doc, new COSObjectKey(co), 1000);
            COSUtils.isFloat(co, doc);
            doc.close();
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    @Test
    public void testIsString() {
        try {
            COSObject co = new COSObject(new COSString(""));
            co.setGenerationNumber(COSInteger.ZERO);
            co.setObjectNumber(new COSInteger(10));

            assertFalse(COSUtils.isString(co, new IOCOSDocument()));

            COSDocument doc = new COSDocument();
            addToXref(doc, new COSObjectKey(co), 1000);
            COSUtils.isString(co, doc);
            doc.close();
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    @Test
    public void testIsStream() {
        try {
            COSObject co = new COSObject(new COSStream(null));
            co.setGenerationNumber(COSInteger.ZERO);
            co.setObjectNumber(new COSInteger(10));

            assertFalse(COSUtils.isStream(co, new IOCOSDocument()));

            COSDocument doc = new COSDocument();
            addToXref(doc, new COSObjectKey(co), 1000);
            COSUtils.isStream(co, doc);
            doc.close();
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    @Test
    public void testIsDictionary() {
        try {
            COSObject co = new COSObject(new COSDictionary());
            co.setGenerationNumber(COSInteger.ZERO);
            co.setObjectNumber(new COSInteger(10));

            assertFalse(COSUtils.isDictionary(co, new IOCOSDocument()));

            COSDocument doc = new COSDocument();
            addToXref(doc, new COSObjectKey(co), 1000);
            COSUtils.isDictionary(co, doc);
            doc.close();
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    @Test
    public void testIsArray() {
        try {
            COSObject co = new COSObject(new COSArray());
            co.setGenerationNumber(COSInteger.ZERO);
            co.setObjectNumber(new COSInteger(10));

            assertFalse(COSUtils.isArray(co, new IOCOSDocument()));

            COSDocument doc = new COSDocument();
            addToXref(doc, new COSObjectKey(co), 1000);
            COSUtils.isArray(co, doc);
            doc.close();
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    @Test
    public void testCloseCOSDocumentNull() {
        COSUtils.closeDocumentQuietly((COSDocument) null);
    }

    @Test
    public void testClosePDDocumentNull() {
        COSUtils.closeDocumentQuietly((PDDocument) null);
    }

    @Test
    public void testCloseCOSDocumentIO() {
        try {
            COSUtils.closeDocumentQuietly(new IOCOSDocument());
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }

    protected void addToXref(COSDocument doc, COSObjectKey key, long value) {
        Map<COSObjectKey, Long> xrefTable = new HashMap<COSObjectKey, Long>(1);
        xrefTable.put(key, value);
        doc.addXRefTable(xrefTable);
    }

    /**
     * Class used to check the catch block in COSUtils methods
     */
    private class IOCOSDocument extends COSDocument {

        IOCOSDocument() throws IOException {
            super();
        }

        IOCOSDocument(File scratchDir) throws IOException {
            super(scratchDir);
        }

        IOCOSDocument(RandomAccess file) {
            super(file);
        }

        @Override
        public void close() throws IOException {
            super.close();
            throw new IOException("Exception for code coverage");
        }

        @Override
        public COSObject getObjectFromPool(COSObjectKey key) throws IOException {
            super.close();
            throw new IOException("Exception for code coverage");
        }
    }
}