org.apache.axiom.ts.om.builder.TestCreateOMBuilderFromDOM Maven / Gradle / Ivy

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The Axiom implementation test suite. This test suite can be used to check conformance of a particular Axiom implementation.
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package org.apache.axiom.ts.om.builder;

import static com.google.common.truth.Truth.assertAbout;
import static org.apache.axiom.truth.xml.XMLTruth.xml;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.dom.DOMSource;

import org.apache.axiom.om.OMMetaFactory;
import org.apache.axiom.om.OMXMLBuilderFactory;
import org.apache.axiom.om.OMXMLParserWrapper;
import org.apache.axiom.ts.ConformanceTestCase;
import org.apache.axiom.ts.jaxp.DOMImplementation;
import org.apache.axiom.ts.xml.XMLSample;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;

public class TestCreateOMBuilderFromDOM extends ConformanceTestCase {
    private final DOMImplementation implementation;
    private final Boolean expandEntityReferences;
    
    public TestCreateOMBuilderFromDOM(OMMetaFactory metaFactory, XMLSample file,
            DOMImplementation implementation, Boolean expandEntityReferences) {
        super(metaFactory, file);
        this.implementation = implementation;
        addTestParameter("implementation", implementation.getName());
        this.expandEntityReferences = expandEntityReferences;
        if (expandEntityReferences != null) {
            addTestParameter("expandEntityReferences", expandEntityReferences.booleanValue());
        }
    }

    private Document loadDocument(boolean expandEntityReferences) throws Exception {
        DocumentBuilderFactory factory = implementation.newDocumentBuilderFactory();
        factory.setNamespaceAware(true);
        factory.setExpandEntityReferences(expandEntityReferences);
        DocumentBuilder documentBuilder = factory.newDocumentBuilder();
        return documentBuilder.parse(file.getUrl().toString());
    }
    
    protected void runTest() throws Throwable {
        // We never expand entity references during parsing, but we may do this later when
        // converting DOM to OM.
        Document document = loadDocument(false);
        OMXMLParserWrapper builder;
        if (expandEntityReferences == null) {
            builder = OMXMLBuilderFactory.createOMBuilder(metaFactory.getOMFactory(), new DOMSource(document));
        } else {
            builder = OMXMLBuilderFactory.createOMBuilder(metaFactory.getOMFactory(), document,
                    expandEntityReferences.booleanValue());
        }
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        builder.getDocument().serialize(baos);
        InputSource actual = new InputSource();
        actual.setByteStream(new ByteArrayInputStream(baos.toByteArray()));
        actual.setSystemId(file.getUrl().toString());
        assertAbout(xml())
                .that(actual)
                .ignoringWhitespaceInPrologAndEpilog()
                .treatingElementContentWhitespaceAsText(!implementation.isDOM3())
                .hasSameContentAs(loadDocument(expandEntityReferences == null || expandEntityReferences));
    }
}