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47 changes: 47 additions & 0 deletions
47
spy-common-ui/src/test/java/pl/baczkowicz/spy/xpath/XPathTest.java
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| package pl.baczkowicz.spy.xpath; | ||
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| import java.io.StringReader; | ||
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| import javax.xml.xpath.XPath; | ||
| import javax.xml.xpath.XPathConstants; | ||
| import javax.xml.xpath.XPathExpression; | ||
| import javax.xml.xpath.XPathExpressionException; | ||
| import javax.xml.xpath.XPathFactory; | ||
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| import org.junit.Test; | ||
| import org.xml.sax.InputSource; | ||
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| import junit.framework.TestCase; | ||
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| public class XPathTest extends TestCase | ||
| { | ||
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| @Test | ||
| public void test() | ||
| { | ||
| final String message = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + | ||
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| "<book category=\"COOKING\"> <year>2005</year> <price>30.00</price> </book>"; | ||
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| assertEquals(evaluateXPath("/book/price", message), 30.0); | ||
| } | ||
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| protected Double evaluateXPath(final String expression, final String message) | ||
| { | ||
| Double value = 0.0; | ||
| final XPath xpath = XPathFactory.newInstance().newXPath(); | ||
| final InputSource inputSource = new InputSource(new StringReader(message)); | ||
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| try | ||
| { | ||
| final XPathExpression exp = xpath.compile(expression); | ||
| value = (Double) exp.evaluate(inputSource, XPathConstants.NUMBER); | ||
| } | ||
| catch (XPathExpressionException e) | ||
| { | ||
| // TODO | ||
| } | ||
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| return value; | ||
| } | ||
| } |