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SchemaFactoryImplTest.java

package com.thaiopensource.relaxng.jaxp;

import com.thaiopensource.validation.LSInputImpl;
import com.thaiopensource.validation.SchemaFactory2;
import com.thaiopensource.xml.sax.DraconianErrorHandler;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.SAXParseException;

import javax.xml.XMLConstants;
import javax.xml.transform.Source;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
import javax.xml.validation.ValidatorHandler;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import java.io.Writer;

/**
 *  Test SchemaFactoryImpl.
 */
00034 public abstract class SchemaFactoryImplTest {
  protected final Class<? extends SchemaFactory2> factoryClass;
  private static int filenameIndex = 0;

  protected SchemaFactoryImplTest(Class<? extends SchemaFactory2> factoryClass) {
    this.factoryClass = factoryClass;
  }

  protected SchemaFactory2 factory() {
    try {
      return factoryClass.newInstance();
    }
    catch (InstantiationException e) {
    }
    catch (IllegalAccessException e) {
    }
    throw new AssertionError();
  }

  @Test(dataProvider = "valid")
  public void testValidCharStream(String schemaString, String docString) throws SAXException, IOException {
    factory().newSchema(charStreamSource(schemaString)).newValidator().validate(charStreamSource(docString));
  }

  @Test(dataProvider = "valid")
  public void testValidFile(String schemaString, String docString) throws SAXException, IOException {
    factory().newSchema(fileSource(schemaString)).newValidator().validate(fileSource(docString));
  }
  @DataProvider(name = "valid")
  protected Object[][] valid() {
    return new Object[][] {
            { createSchema("doc"), "<doc/>" },
            { element("doc", new String[] { attribute("att") }),
                    "<doc att='val'/>" }
    };
  }

  private static SAXSource charStreamSource(String s) {
    return new SAXSource(new InputSource(new StringReader(s)));
  }

  private static synchronized Source fileSource(String s) throws IOException {
    final File file = new File("t" + filenameIndex++);
    Writer w = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
    w.write(s);
    w.close();
    return new StreamSource(file);
  }

  static private class CountErrorHandler extends DraconianErrorHandler {
    int errorCount = 0;

    public void error(SAXParseException e) throws SAXException {
      ++errorCount;
    }
  }

  @Test
  public void testErrorHandlerNoThrow() throws SAXException, IOException {
    SchemaFactory f = factory();
    Validator v = f.newSchema(charStreamSource(createSchema("doc"))).newValidator();
    CountErrorHandler eh = new CountErrorHandler() {
      public void error(SAXParseException e) throws SAXException {
        if (errorCount == 0)
          Assert.assertEquals(e.getLineNumber(), 2);
        super.error(e);
      }
    };
    v.setErrorHandler(eh);
    Assert.assertSame(v.getErrorHandler(), eh);
    v.validate(charStreamSource("<doc>\n<bad/></doc>"));
    Assert.assertTrue(eh.errorCount > 0);
  }

  @Test(expectedExceptions = { RuntimeException.class })
  public void testErrorHandlerThrowRuntime() throws SAXException, IOException {
    SchemaFactory f = factory();
    Validator v = f.newSchema(charStreamSource(createSchema("doc"))).newValidator();
    v.setErrorHandler(new DraconianErrorHandler() {
      public void error(SAXParseException e) throws SAXException {
        Assert.assertEquals(e.getLineNumber(), 2);
        throw new RuntimeException();
      }
    });
    v.validate(charStreamSource("<doc>\n<bad/></doc>"));
    throw new AssertionError();
  }

  static class MySAXException extends SAXException { }
  
  @Test(expectedExceptions = { MySAXException.class })
  public void testErrorHandlerThrowSAX() throws SAXException, IOException {
    SchemaFactory f = factory();
    Validator v = f.newSchema(charStreamSource(createSchema("doc"))).newValidator();
    v.setErrorHandler(new DraconianErrorHandler() {
      public void error(SAXParseException e) throws SAXException {
        Assert.assertEquals(e.getLineNumber(), 2);
        throw new MySAXException();
      }
    });
    v.validate(charStreamSource("<doc>\n<bad/></doc>"));
    throw new AssertionError();
  }
  
  @Test
  public void testInstanceResourceResolver() throws SAXException, IOException {
    SchemaFactory f = factory();
    Validator v = f.newSchema(charStreamSource(element("doc", element("inner")))).newValidator();
    Assert.assertNull(v.getResourceResolver());
    LSResourceResolver rr = new LSResourceResolver() {
      public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
        // In Java 5 Xerces absolutized the systemId relative to the current directory
        int slashIndex = systemId.lastIndexOf('/');
        if (slashIndex >= 0)
          systemId = systemId.substring(slashIndex + 1);
        Assert.assertEquals(systemId, "e.xml");
        Assert.assertEquals(type, "http://www.w3.org/TR/REC-xml");
        LSInput in = new LSInputImpl();
        in.setStringData("<inner/>");
        return in;
      }
    };
    v.setResourceResolver(rr);
    Assert.assertSame(v.getResourceResolver(), rr);
    v.validate(charStreamSource("<!DOCTYPE doc [ <!ENTITY e SYSTEM 'e.xml'> ]><doc>&e;</doc>"));
  }

  @Test
  public void testSchemaResourceResolver() throws SAXException, IOException {
    SchemaFactory f = factory();
    Assert.assertNull(f.getResourceResolver());
    LSResourceResolver rr = new LSResourceResolver() {
      public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
        Assert.assertEquals(systemId, "myschema");
        Assert.assertEquals(type, getLSType());
        Assert.assertNull(baseURI);
        Assert.assertNull(namespaceURI);
        Assert.assertNull(publicId);
        LSInput in = new LSInputImpl();
        in.setStringData(createSchema("doc"));
        return in;
      }
    };
    f.setResourceResolver(rr);
    Assert.assertSame(f.getResourceResolver(), rr);
    Validator v = f.newSchema(charStreamSource(externalRef("myschema"))).newValidator();
    v.validate(charStreamSource("<doc/>"));
  }

  @Test(expectedExceptions = { UnsupportedOperationException.class })
  public void testNewSchemaNoArgs() throws SAXException {
    factory().newSchema();
  }

  @DataProvider(name = "supportedFeatures")
  Object[][] createSupportedFeatures() {
    return new Object[][] {
            { XMLConstants.FEATURE_SECURE_PROCESSING, Boolean.FALSE }
    };
  }
  @Test(dataProvider = "supportedFeatures")
  public void testSupportedFeatures(String feature, Boolean defaultValueObj) throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    boolean defaultValue = defaultValueObj;
    Assert.assertEquals(f.getFeature(XMLConstants.FEATURE_SECURE_PROCESSING), defaultValue);
    f.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, !defaultValue);
    Assert.assertEquals(f.getFeature(XMLConstants.FEATURE_SECURE_PROCESSING), !defaultValue);
  }

  @Test(dataProvider = "supportedFeatures")
  public void testFeatureInheritance(String feature, Boolean defaultValueObj)
          throws SAXException, SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    boolean defaultValue = defaultValueObj;
    Assert.assertEquals(f.getFeature(feature), defaultValue);
    f.setFeature(feature, !defaultValue);
    ValidatorHandler vh = f.newSchema(charStreamSource(createSchema("doc"))).newValidatorHandler();
    // the docs say that only properties are inherited by the ValidatorHandler
    Assert.assertEquals(vh.getFeature(feature), defaultValue);
  }

  @Test(expectedExceptions = { SAXNotRecognizedException.class })
  public void testUnrecognizedGetFeature() throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    f.getFeature("http://thaiopensource.com/features/no-such-feature");
    throw new AssertionError();
  }

  @Test(expectedExceptions = { SAXNotRecognizedException.class })
  public void testUnrecognizedSetFeature() throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    f.setFeature("http://thaiopensource.com/features/no-such-feature", false);
    throw new AssertionError();
  }

  @Test(expectedExceptions = { NullPointerException.class })
  public void testNullGetFeature() throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    f.getFeature(null);
    throw new AssertionError();
  }

  @Test(expectedExceptions = { NullPointerException.class })
  public void testNullSetFeature() throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    f.setFeature(null, true);
    throw new AssertionError();
  }

  @Test(expectedExceptions = { SAXNotRecognizedException.class })
  public void testUnrecognizedSetProperty() throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    f.setProperty("http://thaiopensource.com/properties-no-such-property", null);
    throw new AssertionError();
  }

  @Test(expectedExceptions = { SAXNotRecognizedException.class })
  public void testUnrecognizedGetProperty() throws SAXNotRecognizedException, SAXNotSupportedException {
    SchemaFactory f = factory();
    f.getProperty("http://thaiopensource.com/properties/no-such-property");
    throw new AssertionError();
  }

  private String createSchema(String rootElement) {
    return element(rootElement);
  }

  private String element(String name) {
    return element(name, new String[] { });
  }

  private String element(String name, String contentPattern) {
    return element(name, new String[] { contentPattern });
  }
  abstract protected String element(String name, String[] contentPatterns);
  abstract protected String attribute(String name);
  abstract protected String externalRef(String uri);
  abstract protected String getLSType();
}

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