Groovy example source code file (StreamingSAXBuilderTest.groovy)

This example Groovy source code file (StreamingSAXBuilderTest.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

bytearrayoutputstream, bytearrayoutputstream, contenthandler, contenthandler, diff, diff, groovytestcase, sax, streamingsaxbuildertest, streamresult, streamresult

The Groovy StreamingSAXBuilderTest.groovy source code

/*
 * Copyright 2003-2008 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 groovy.xml

import javax.xml.transform.TransformerFactory
import javax.xml.transform.stream.StreamResult
import groovy.xml.StreamingSAXBuilder
import org.xml.sax.ContentHandler
import org.custommonkey.xmlunit.*

public class StreamingSAXBuilderTest extends GroovyTestCase {

    public void testDefaultSerialization() {
        def handler = TransformerFactory.newInstance().newTransformerHandler()
        def outstream = new ByteArrayOutputStream()
        handler.setResult(new StreamResult(outstream))

        def doc = new StreamingSAXBuilder().bind {
            document {
                item(to: 'world', 'hello')
            }
        }
        def expected = '<document>hello'

        doc(handler)
        XMLUnit.setIgnoreWhitespace(true)
        def xmlDiff = new Diff(expected, outstream.toString())
        assert xmlDiff.similar(), xmlDiff.toString()
    }

    public void testDefaultSerializationNamespaces() {
        def handler = TransformerFactory.newInstance().newTransformerHandler()
        def outstream = new ByteArrayOutputStream()
        handler.setResult(new StreamResult(outstream))

        def doc = new StreamingSAXBuilder().bind {
            mkp.declareNamespace("" : "uri:urn1")
            mkp.declareNamespace("x" : "uri:urn2")
            outer {
                'x:inner'('hello')
            }
        }
        def expected = '<outer xmlns="uri:urn1" xmlns:x="uri:urn2">hello'

        doc(handler)
        XMLUnit.setIgnoreWhitespace(true)
        def xmlDiff = new Diff(expected, outstream.toString())
        assert xmlDiff.similar(), xmlDiff.toString()
    }

    public void testCustomHandler() {
        def visited = []
        def handler = [
                startDocument: {->
                    visited << 'startDocument'
                },
                startElement: {uri, localName, qName, atts ->
                    visited << 'startElement'
                },
                characters: {chars, start, end -> /* ignore */ },
                endElement: {uri, localName, qName ->
                    visited << 'endElement'
                },
                endDocument: {->
                    visited << 'endDocument'
                },
        ] as ContentHandler

        def doc = new StreamingSAXBuilder().bind {
            document {
                item(to: 'world', 'hello')
            }
        }
        def expected = ["startDocument", "startElement", "startElement",
                "endElement", "endElement", "endDocument"]

        doc(handler)
        assert visited == expected
    }
}