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Groovy example source code file (XmlParserTest.groovy)
This example Groovy source code file (XmlParserTest.groovy) is included in the DevDaily.com
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The Groovy XmlParserTest.groovy source code
/*
* Copyright 2003-2010 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.util
import groovy.xml.GpathSyntaxTestSupport
import groovy.xml.MixedMarkupTestSupport
import groovy.xml.TraversalTestSupport
class XmlParserTest extends GroovyTestCase {
def getRoot = { xml -> new XmlParser().parseText(xml) }
static bookXml = """
<html xmlns="http://www.w3.org/HTML/1998/html4"
xmlns:g="http://groovy.codehaus.org/roles"
xmlns:dc="http://purl.org/dc/elements/1.1/">
<head>GINA Book Review
<body>
<h1>Groovy in Action Review
<table>
<tr align="center">
<td>Author | Price | Pages | Date |
</tr>
<tr align="left">
<td>
<g:developer>Dierk König,
<g:advocate>Andrew Glover,
<g:developer>Paul King,
<g:projectmanager>Guillaume Laforge,
<g:advocate>Jon Skeet,
</dc:author>
<td>49.99
<td>696
<td>January, 2007
</tr>
</table>
<p>Review: Great book!
</body>
</html>
"""
void testNodePrinter() {
def text = """
<p>Please read the Home page
"""
def node = new XmlParser().parseText(text)
def StringWriter sw = new StringWriter()
new NodePrinter(new PrintWriter(sw)).print(node)
def result = fixEOLs(sw.toString())
def expected = '''\
p() {
builder.append(Please read the)
a(href:'index.html') {
builder.append(Home)
}
builder.append(page)
}
'''
assert result == expected
}
void testXmlNodePrinter() {
def text = """
<p>Please read the Home page
"""
def node = new XmlParser().parseText(text)
def StringWriter sw = new StringWriter()
new XmlNodePrinter(new PrintWriter(sw)).print(node)
def result = fixEOLs(sw.toString())
def expected = '''\
<p>
Please read the
<a href="index.html">
Home
</a>
page
</p>
'''
assert result == expected
}
void testXmlNodePrinterNamespaces() {
def html = new XmlParser().parseText(bookXml)
def StringWriter sw = new StringWriter()
new XmlNodePrinter(new PrintWriter(sw)).print(html)
def result = fixEOLs(sw.toString())
def expected = '''\
<html xmlns="http://www.w3.org/HTML/1998/html4">
<head>
<title>
GINA Book Review
</title>
</head>
<body>
<h1>
<dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">
Groovy in Action Review
</dc:title>
</h1>
<table>
<tr align="center">
<td>
Author
</td>
<td>
Price
</td>
<td>
Pages
</td>
<td>
Date
</td>
</tr>
<tr align="left">
<td>
<dc:author xmlns:dc="http://purl.org/dc/elements/1.1/">
<g:developer xmlns:g="http://groovy.codehaus.org/roles">
Dierk König
</g:developer>
,
<g:advocate xmlns:g="http://groovy.codehaus.org/roles">
Andrew Glover
</g:advocate>
,
<g:developer xmlns:g="http://groovy.codehaus.org/roles">
Paul King
</g:developer>
,
<g:projectmanager xmlns:g="http://groovy.codehaus.org/roles">
Guillaume Laforge
</g:projectmanager>
,
<g:advocate xmlns:g="http://groovy.codehaus.org/roles">
Jon Skeet
</g:advocate>
,
</dc:author>
</td>
<td>
49.99
</td>
<td>
696
</td>
<td>
<dc:date xmlns:dc="http://purl.org/dc/elements/1.1/">
January, 2007
</dc:date>
</td>
</tr>
</table>
<p>
Review: Great book!
</p>
</body>
</html>
'''
assert result == expected
}
void testNamespaceGPath() {
def anyName = new groovy.xml.QName("*", "*")
def anyHtml = new groovy.xml.QName("http://www.w3.org/HTML/1998/html4", "*")
def anyTitle = new groovy.xml.QName("*", "title")
def html = new XmlParser().parseText(bookXml)
// string plain style
def result = html.head.':title'.text()
assert result == 'GINA Book Review'
// QName style
result = html[anyName][anyHtml][anyTitle].text()
assert result == 'Groovy in Action Review'
// string wildcard style
result = html.'*:*'.':*'.'*:title'.text()
assert result == 'Groovy in Action Review'
// just for fun, mix the styles
result = html.'*'.'http://www.w3.org/HTML/1998/html4:*'[anyTitle].text()
assert result == 'Groovy in Action Review'
// try traversal
assert html.'**'['dc:*']*.name()*.localPart == ["title", "author", "date"]
}
void testElement() {
GpathSyntaxTestSupport.checkElement(getRoot)
GpathSyntaxTestSupport.checkFindElement(getRoot)
GpathSyntaxTestSupport.checkElementTypes(getRoot)
GpathSyntaxTestSupport.checkElementClosureInteraction(getRoot)
GpathSyntaxTestSupport.checkElementTruth(getRoot)
}
void testAttribute() {
GpathSyntaxTestSupport.checkAttribute(getRoot)
GpathSyntaxTestSupport.checkAttributes(getRoot)
GpathSyntaxTestSupport.checkAttributeTruth(getRoot)
}
void testNavigation() {
GpathSyntaxTestSupport.checkChildren(getRoot)
GpathSyntaxTestSupport.checkParent(getRoot)
GpathSyntaxTestSupport.checkNestedSizeExpressions(getRoot)
}
void testTraversal() {
TraversalTestSupport.checkDepthFirst(getRoot)
TraversalTestSupport.checkBreadthFirst(getRoot)
}
void testIndices() {
GpathSyntaxTestSupport.checkNegativeIndices(getRoot)
GpathSyntaxTestSupport.checkRangeIndex(getRoot)
}
void testReplacementsAndAdditions() {
GpathSyntaxTestSupport.checkReplaceNode(getRoot)
GpathSyntaxTestSupport.checkPlus(getRoot)
}
void testMixedMarkup() {
MixedMarkupTestSupport.checkMixedMarkup(getRoot)
}
void testWhitespaceTrimming() {
def text = '<outer> Here is some text '
def parser = new XmlParser()
def outer = parser.parseText(text)
assert outer.inner.text() == 'Here is some text'
parser.setTrimWhitespace false
outer = parser.parseText(text)
assert outer.inner.text() == ' Here is some text '
}
void testUpdate() {
def xml = '<root>'
def parser = new XmlParser()
def root = parser.parseText(xml)
def middle = root.appendNode('middle')
middle.appendNode('child', [attr:'child attr'])
middle.appendNode('child', 'child text')
root.appendNode('child', [attr:'child attr'], 'child text')
root.@attr = 'root attr'
root.'@other' = 'other attr'
def writer = new StringWriter()
new XmlNodePrinter(new PrintWriter(writer)).print(root)
def result = writer.toString()
assert result == '''\
<root attr="root attr" other="other attr">
<middle>
<child attr="child attr"/>
<child>
child text
</child>
</middle>
<child attr="child attr">
child text
</child>
</root>
'''
}
void testXmlParserExtensionPoints() {
def html = new CustomXmlParser().parseText(bookXml)
assert html.getClass() == CustomNode
assert html.name() == new Integer(42)
}
}
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