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Merge pull request #293 from xmlunit/make-placeholders-deal-with-xsi-type
ensure PlaceholderDifferenceEvaluator survives differences in xsi:typ…
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‎RELEASE_NOTES.md‎

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## XMLUnit for Java 2.10.1 - /not released, yet/
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* placeholders can now also be used inside of the local part of `xsi:type` attributes.
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PR [#293](https://github.com/xmlunit/xmlunit/pull/293)
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* PlaceholderDifferenceEvaluator would cause ClassCastException for documents with
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differences in `xsi:type` attributes.
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Issue [#276](https://github.com/xmlunit/xmlunit/issues/276)
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* updated a bunch of Maven plugins, in particular we now create CylcloneDX files using
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version 1.6 of the schema.
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PR [#292](https://github.com/xmlunit/xmlunit/pull/292)

‎xmlunit-placeholders/src/main/java/org/xmlunit/placeholder/PlaceholderDifferenceEvaluator.java‎

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import java.util.ServiceLoader;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import javax.xml.XMLConstants;
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import javax.xml.namespace.QName;
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import org.w3c.dom.Node;
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import org.xmlunit.diff.Comparison;
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return evaluateConsideringPlaceholders(controlTarget.getNodeValue(), testTarget.getNodeValue(), outcome);
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// comparing textual content of attributes
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} else if (comparison.getType() == ComparisonType.ATTR_VALUE) {
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} else if (comparison.getType() == ComparisonType.ATTR_VALUE
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&& controlDetails.getValue() instanceof String
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&& testDetails.getValue() instanceof String) {
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return evaluateConsideringPlaceholders((String) controlDetails.getValue(),
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(String) testDetails.getValue(), outcome);
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// comparing QName content of xsi:type attributes
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} else if (comparison.getType() == ComparisonType.ATTR_VALUE
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&& controlDetails.getValue() instanceof QName
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&& testDetails.getValue() instanceof QName) {
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return evaluateConsideringPlaceholders((QName) controlDetails.getValue(),
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(QName) testDetails.getValue(), outcome);
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// "test document has no attribute but control document has"
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} else if (isMissingAttributeDifference(comparison)) {
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return evaluateMissingAttributeConsideringPlaceholders(comparison, outcome);
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return ComparisonResult.EQUAL;
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}
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private ComparisonResult evaluateConsideringPlaceholders(QName controlQName, QName testQName,
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ComparisonResult outcome) {
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if (controlQName.getNamespaceURI().equals(testQName.getNamespaceURI())) {
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return evaluateConsideringPlaceholders(controlQName.getLocalPart(), testQName.getLocalPart(),
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outcome);
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}
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return outcome;
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}
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private ComparisonResult evaluateConsideringPlaceholders(String controlText, String testText,
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ComparisonResult outcome) {
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final Matcher placeholderMatcher = placeholderRegex.matcher(controlText);

‎xmlunit-placeholders/src/main/java/org/xmlunit/placeholder/package-info.java‎

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* org.xmlunit.diff.DifferenceEvaluator} and add it to the builder
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* yourself.</p>
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*
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* <p>Placeholder sequences must appear as values inside of attribute values or nested textual content of elements -
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* inside the control document. As a special case they may also appear as local part of a tye name of xsi:type
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* attributes of control documents - i.e. <code>xsi:type="prefix:${xmlunit:ignore}"</code>. The namepace URIs of the
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* compared types must match with the test document. Support for xsi:types has been added with XMLUnit 2.10.1.</p>
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*
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* @since 2.6.0
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*/
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package org.xmlunit.placeholder;

‎xmlunit-placeholders/src/test/java/org/xmlunit/placeholder/PlaceholderDifferenceEvaluatorTest.java‎

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assertFalse(diff.hasDifferences());
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}
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@Test
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public void canCompareDocmentsWithXsiTypes() {
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String control = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:some-type\" />";
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String test = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:some-other-type\" />";
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Diff diff = DiffBuilder.compare(control).withTest(test)
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.withDifferenceEvaluator(new PlaceholderDifferenceEvaluator()).build();
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assertTrue(diff.hasDifferences());
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int count = 0;
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Iterator it = diff.getDifferences().iterator();
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while (it.hasNext()) {
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count++;
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Difference difference = (Difference) it.next();
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assertEquals(ComparisonResult.DIFFERENT, difference.getResult());
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assertEquals(ComparisonType.ATTR_VALUE,
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difference.getComparison().getType());
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}
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assertEquals(1, count);
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}
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@Test
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public void canIgnoreXsiTypeDifference() {
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String control = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:${xmlunit.ignore}\" />";
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String test = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:some-other-type\" />";
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Diff diff = DiffBuilder.compare(control).withTest(test)
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.withDifferenceEvaluator(new PlaceholderDifferenceEvaluator()).build();
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assertFalse(diff.hasDifferences());
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}
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@Test
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public void cantIgnoreXsiNamespaceDifference() {
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String control = "<element"
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+ " xmlns:myns=\"https://example.org/some-other-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:${xmlunit.ignore}\" />";
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String test = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:some-other-type\" />";
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Diff diff = DiffBuilder.compare(control).withTest(test)
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.withDifferenceEvaluator(new PlaceholderDifferenceEvaluator()).build();
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assertTrue(diff.hasDifferences());
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}
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@Test
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public void canCompareXsiTypeWithhRegex() {
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String control = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:${xmlunit.matchesRegex(.*-type)}\" />";
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String test = "<element"
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+ " xmlns:myns=\"https://example.org/some-ns\""
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+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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+ " xsi:type=\"myns:some-other-type\" />";
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Diff diff = DiffBuilder.compare(control).withTest(test)
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.withDifferenceEvaluator(new PlaceholderDifferenceEvaluator()).build();
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assertFalse(diff.hasDifferences());
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}
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}

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