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maven-xml-impl/src/test/java/org/apache/maven/internal/xml/Xpp3DomTest.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.maven.internal.xml; | ||
|
|
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| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
|
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| import java.io.IOException; | ||
| import java.io.StringReader; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
| import org.apache.maven.api.xml.Dom; | ||
| import org.codehaus.plexus.util.xml.pull.XmlPullParser; | ||
| import org.codehaus.plexus.util.xml.pull.XmlPullParserException; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
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| public class Xpp3DomTest { | ||
|
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| /** | ||
| * <p>testCombineId.</p> | ||
| * | ||
| * @throws java.lang.Exception if any. | ||
| */ | ||
| @Test | ||
| public void testCombineId() throws Exception { | ||
| String lhs = "<props>" + "<property combine.id='LHS-ONLY'><name>LHS-ONLY</name><value>LHS</value></property>" | ||
| + "<property combine.id='TOOVERWRITE'><name>TOOVERWRITE</name><value>LHS</value></property>" | ||
| + "</props>"; | ||
|
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| String rhs = "<props>" + "<property combine.id='RHS-ONLY'><name>RHS-ONLY</name><value>RHS</value></property>" | ||
| + "<property combine.id='TOOVERWRITE'><name>TOOVERWRITE</name><value>RHS</value></property>" | ||
| + "</props>"; | ||
|
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| Xpp3Dom leftDom = Xpp3DomBuilder.build(new StringReader(lhs), new FixedInputLocationBuilder("left")); | ||
| Xpp3Dom rightDom = Xpp3DomBuilder.build(new StringReader(rhs), new FixedInputLocationBuilder("right")); | ||
|
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| Dom mergeResult = Xpp3Dom.merge(leftDom, rightDom, true); | ||
| assertEquals(3, getChildren(mergeResult, "property").size()); | ||
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| Dom p0 = getNthChild(mergeResult, "property", 0); | ||
| assertEquals("LHS-ONLY", p0.getChild("name").getValue()); | ||
| assertEquals("left", p0.getChild("name").getInputLocation()); | ||
| assertEquals("LHS", p0.getChild("value").getValue()); | ||
| assertEquals("left", p0.getChild("value").getInputLocation()); | ||
|
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| Dom p1 = getNthChild(mergeResult, "property", 1); | ||
| assertEquals( | ||
| "TOOVERWRITE", | ||
| getNthChild(mergeResult, "property", 1).getChild("name").getValue()); | ||
| assertEquals("left", p1.getChild("name").getInputLocation()); | ||
| assertEquals( | ||
| "LHS", getNthChild(mergeResult, "property", 1).getChild("value").getValue()); | ||
| assertEquals("left", p1.getChild("value").getInputLocation()); | ||
|
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| Dom p2 = getNthChild(mergeResult, "property", 2); | ||
| assertEquals( | ||
| "RHS-ONLY", | ||
| getNthChild(mergeResult, "property", 2).getChild("name").getValue()); | ||
| assertEquals("right", p2.getChild("name").getInputLocation()); | ||
| assertEquals( | ||
| "RHS", getNthChild(mergeResult, "property", 2).getChild("value").getValue()); | ||
| assertEquals("right", p2.getChild("value").getInputLocation()); | ||
| } | ||
|
|
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| /** | ||
| * <p>testCombineKeys.</p> | ||
| * | ||
| * @throws java.lang.Exception if any. | ||
| */ | ||
| @Test | ||
| public void testCombineKeys() throws Exception { | ||
| String lhs = "<props combine.keys='key'>" | ||
| + "<property key=\"LHS-ONLY\"><name>LHS-ONLY</name><value>LHS</value></property>" | ||
| + "<property combine.keys='name'><name>TOOVERWRITE</name><value>LHS</value></property>" + "</props>"; | ||
|
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| String rhs = "<props combine.keys='key'>" | ||
| + "<property key=\"RHS-ONLY\"><name>RHS-ONLY</name><value>RHS</value></property>" | ||
| + "<property combine.keys='name'><name>TOOVERWRITE</name><value>RHS</value></property>" + "</props>"; | ||
|
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| Xpp3Dom leftDom = Xpp3DomBuilder.build(new StringReader(lhs), new FixedInputLocationBuilder("left")); | ||
| Xpp3Dom rightDom = Xpp3DomBuilder.build(new StringReader(rhs), new FixedInputLocationBuilder("right")); | ||
|
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| Dom mergeResult = Xpp3Dom.merge(leftDom, rightDom, true); | ||
| assertEquals(3, getChildren(mergeResult, "property").size()); | ||
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| Dom p0 = getNthChild(mergeResult, "property", 0); | ||
| assertEquals("LHS-ONLY", p0.getChild("name").getValue()); | ||
| assertEquals("left", p0.getChild("name").getInputLocation()); | ||
| assertEquals("LHS", p0.getChild("value").getValue()); | ||
| assertEquals("left", p0.getChild("value").getInputLocation()); | ||
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| Dom p1 = getNthChild(mergeResult, "property", 1); | ||
| assertEquals( | ||
| "TOOVERWRITE", | ||
| getNthChild(mergeResult, "property", 1).getChild("name").getValue()); | ||
| assertEquals("left", p1.getChild("name").getInputLocation()); | ||
| assertEquals( | ||
| "LHS", getNthChild(mergeResult, "property", 1).getChild("value").getValue()); | ||
| assertEquals("left", p1.getChild("value").getInputLocation()); | ||
|
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| Dom p2 = getNthChild(mergeResult, "property", 2); | ||
| assertEquals( | ||
| "RHS-ONLY", | ||
| getNthChild(mergeResult, "property", 2).getChild("name").getValue()); | ||
| assertEquals("right", p2.getChild("name").getInputLocation()); | ||
| assertEquals( | ||
| "RHS", getNthChild(mergeResult, "property", 2).getChild("value").getValue()); | ||
| assertEquals("right", p2.getChild("value").getInputLocation()); | ||
| } | ||
|
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| @Test | ||
| public void testPreserveDominantBlankValue() throws XmlPullParserException, IOException { | ||
| String lhs = "<parameter xml:space=\"preserve\"> </parameter>"; | ||
|
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| String rhs = "<parameter>recessive</parameter>"; | ||
|
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| Xpp3Dom leftDom = Xpp3DomBuilder.build(new StringReader(lhs), new FixedInputLocationBuilder("left")); | ||
| Xpp3Dom rightDom = Xpp3DomBuilder.build(new StringReader(rhs), new FixedInputLocationBuilder("right")); | ||
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| Dom mergeResult = Xpp3Dom.merge(leftDom, rightDom, true); | ||
| assertEquals(" ", mergeResult.getValue()); | ||
| } | ||
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| @Test | ||
| public void testPreserveDominantEmptyNode() throws XmlPullParserException, IOException { | ||
| String lhs = "<parameter></parameter>"; | ||
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| String rhs = "<parameter>recessive</parameter>"; | ||
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| Xpp3Dom leftDom = Xpp3DomBuilder.build(new StringReader(lhs), new FixedInputLocationBuilder("left")); | ||
| Xpp3Dom rightDom = Xpp3DomBuilder.build(new StringReader(rhs), new FixedInputLocationBuilder("right")); | ||
|
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| Dom mergeResult = Xpp3Dom.merge(leftDom, rightDom, true); | ||
| assertEquals("", mergeResult.getValue()); | ||
| } | ||
|
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| @Test | ||
| public void testPreserveDominantEmptyNode2() throws XmlPullParserException, IOException { | ||
| String lhs = "<parameter/>"; | ||
|
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| String rhs = "<parameter>recessive</parameter>"; | ||
|
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| Xpp3Dom leftDom = Xpp3DomBuilder.build(new StringReader(lhs), new FixedInputLocationBuilder("left")); | ||
| Xpp3Dom rightDom = Xpp3DomBuilder.build(new StringReader(rhs), new FixedInputLocationBuilder("right")); | ||
|
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| Dom mergeResult = Xpp3Dom.merge(leftDom, rightDom, true); | ||
| assertEquals(null, mergeResult.getValue()); | ||
| } | ||
|
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| private static List<Dom> getChildren(Dom node, String name) { | ||
| return node.getChildren().stream().filter(n -> n.getName().equals(name)).collect(Collectors.toList()); | ||
| } | ||
|
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| private static Dom getNthChild(Dom node, String name, int nth) { | ||
| return node.getChildren().stream() | ||
| .filter(n -> n.getName().equals(name)) | ||
| .skip(nth) | ||
| .findFirst() | ||
| .orElse(null); | ||
| } | ||
|
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| private static class FixedInputLocationBuilder implements Xpp3DomBuilder.InputLocationBuilder { | ||
| private final Object location; | ||
|
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| public FixedInputLocationBuilder(Object location) { | ||
| this.location = location; | ||
| } | ||
|
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| public Object toInputLocation(XmlPullParser parser) { | ||
| return location; | ||
| } | ||
| } | ||
| } |
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