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    * Redistributions of source code must retain the above copyright
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      of its contributors may be used to endorse or promote products
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package org.custommonkey.xmlunit.jaxp13;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.xml.transform.stream.StreamSource;

import junit.framework.TestCase;

import org.custommonkey.xmlunit.test_Constants;
import org.custommonkey.xmlunit.exceptions.XMLUnitRuntimeException;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

public class test_Validator extends TestCase {

    public void testGoodSchemaIsValid() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd")));
        assertTrue(v.isSchemaValid());
    }

    public void testGoodSchemaIsValidWithCustomPrefix() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd2")));
        assertTrue(v.isSchemaValid());
    }

    public void testGoodSchemaHasNoErrors() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd")));
        assertEquals(0, v.getSchemaErrors().size());
    }

    public void testBrokenSchemaIsInvalid() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "broken.xsd")));
        assertFalse(v.isSchemaValid());
    }

    public void testBrokenSchemaHasErrors() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "broken.xsd")));
        List l = v.getSchemaErrors();
        for (Iterator i = l.iterator(); i.hasNext(); ) {
            Object ex = i.next();
            assertTrue(ex instanceof SAXParseException);
            /*
            System.err.println(ex);
            */
        }
        assertTrue(l.size() > 0);
    }

    public void testGoodInstanceIsValid() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "BookXsdGenerated.xml"));
        assertTrue(v.isInstanceValid(s));
    }

    public void testGoodInstanceIsValidNoSchemaSource() throws Exception {
        Validator v = new Validator();
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "BookXsdGeneratedWithFixedSchemaLocation.xml"));
        assertTrue(v.isInstanceValid(s));
    }

    public void testBadInstanceIsInvalid() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "invalidBook.xml"));
        assertFalse(v.isInstanceValid(s));
    }

    public void testBadInstanceHasErrors() throws Exception {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "invalidBook.xml"));
        List l = v.getInstanceErrors(s);
        for (Iterator i = l.iterator(); i.hasNext(); ) {
            Object ex = i.next();
            assertTrue(ex instanceof SAXParseException);
            /*
            System.err.println(ex);
            */
        }
        assertTrue(l.size() > 0);
    }

    public void testInstanceValidationOfBrokenSchema() {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "broken.xsd")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "BookXsdGenerated.xml"));
        try {
            v.isInstanceValid(s);
            fail("expected exception because schema is invalid");
        } catch (XMLUnitRuntimeException e) {
            assertTrue(e.getCause() instanceof SAXException);
        }
    }

    public void testInstanceValidationOfMissingFile() {
        Validator v = new Validator();
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.xsd")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "not there.xml"));
        try {
            v.isInstanceValid(s);
            fail("expected exception because instance doesn't exist");
        } catch (XMLUnitRuntimeException e) {
            assertTrue(e.getCause() instanceof IOException);
        }
    }

    /**
     * fails unless you manage to setup JAXP 1.3 and RELAX NG support
     *
     * <p>The setup that worked for Stefan when he wrote this test:
     * JDK 1.5.0_09, isorelax-jaxp-bridge-1.0, together with msv.jar,
     * isorelax.jar, relaxngDatatype.jar and xsdlib.jar from msv's
     * latest nightly build (2008-02-13, actually).  The same jars do
     * not work with Java6.</p>
     *
     * @see <a href="http://weblogs.java.net/blog/kohsuke/archive/2006/02/validate_xml_us.html"/>
     */
    public void XtestGoodRelaxNGSchemaIsValid() throws Exception {
        Validator v = new Validator(javax.xml.XMLConstants.RELAXNG_NS_URI);
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.rng")));
        assertTrue(v.isSchemaValid());
    }

    /**
     * fails unless you manage to setup JAXP 1.3 and RELAX NG support
     * @see #XtestGoodRelaxNGSchemaIsValid()
     */
    public void XtestGoodInstanceIsValidRNG() throws Exception {
        Validator v = new Validator(javax.xml.XMLConstants.RELAXNG_NS_URI);
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.rng")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "BookXsdGeneratedNoSchema.xml"));
        assertTrue(v.isInstanceValid(s));
    }

    /**
     * fails unless you manage to setup JAXP 1.3 and RELAX NG support
     * @see #XtestGoodRelaxNGSchemaIsValid()
     */
    public void XtestBadInstanceIsInvalidRNG() throws Exception {
        Validator v = new Validator(javax.xml.XMLConstants.RELAXNG_NS_URI);
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.rng")));
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "invalidBook.xml"));
        List l = v.getInstanceErrors(s);
        for (Iterator i = l.iterator(); i.hasNext(); ) {
            Object ex = i.next();
            assertTrue(ex instanceof SAXParseException);
            /*
            System.err.println(ex);
            */
        }
        assertTrue(l.size() > 0);
    }

    /**
     * fails even using the setup in XtestGoodRelaxNGSchemaIsValid()
     * since a SAXParser is trying to read the compact syntax
     * definition and chokes on it not being XML.
     * @see #XtestGoodRelaxNGSchemaIsValid()
     */
    public void XtestGoodRelaxNGCompactSyntaxIsValid() throws Exception {
        Validator v = new Validator(javax.xml.XMLConstants.RELAXNG_NS_URI);
        v.addSchemaSource(new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                                    + "Book.rngc")));
        assertTrue(v.isSchemaValid());
        StreamSource s =
            new StreamSource(new File(test_Constants.TEST_RESOURCE_DIR
                                      + "BookXsdGeneratedNoSchema.xml"));
        assertTrue(v.isInstanceValid(s));
    }

}
