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From a.@apache.org
Subject hadoop git commit: HADOOP-7947. Validate XMLs if a relevant tool is available, when using scripts (Kengo Seki via aw)
Date Thu, 28 May 2015 18:01:09 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk cbba7d68f -> 5df1fadf8


HADOOP-7947. Validate XMLs if a relevant tool is available, when using scripts (Kengo Seki
via aw)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/5df1fadf
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/5df1fadf
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/5df1fadf

Branch: refs/heads/trunk
Commit: 5df1fadf874f3f0176f6b36b8ff7317edd63770f
Parents: cbba7d6
Author: Allen Wittenauer <aw@apache.org>
Authored: Thu May 28 11:01:00 2015 -0700
Committer: Allen Wittenauer <aw@apache.org>
Committed: Thu May 28 11:01:00 2015 -0700

----------------------------------------------------------------------
 hadoop-common-project/hadoop-common/CHANGES.txt |   3 +
 .../hadoop-common/src/main/bin/hadoop           |   4 +
 .../java/org/apache/hadoop/util/ConfTest.java   | 368 +++++++++++++++++++
 .../org/apache/hadoop/util/TestConfTest.java    | 204 ++++++++++
 4 files changed, 579 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/5df1fadf/hadoop-common-project/hadoop-common/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 8de5ae4..71b3388 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -48,6 +48,9 @@ Trunk (Unreleased)
     HADOOP-9642. Configuration to resolve environment variables via
     ${env.VARIABLE} references (Kengo Seki via aw)
 
+    HADOOP-7947. Validate XMLs if a relevant tool is available, when using
+    scripts (Kengo Seki via aw)
+
   IMPROVEMENTS
 
     HADOOP-8017. Configure hadoop-main pom to get rid of M2E plugin execution

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5df1fadf/hadoop-common-project/hadoop-common/src/main/bin/hadoop
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop b/hadoop-common-project/hadoop-common/src/main/bin/hadoop
index 64c3c13..9e7b3ef 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop
@@ -27,6 +27,7 @@ function hadoop_usage()
   echo "                         libraries availability"
   echo "  classpath            prints the class path needed to get the"
   echo "                         Hadoop jar and the required libraries"
+  echo "  conftest             validate configuration XML files"
   echo "  credential           interact with credential providers"
   echo "  daemonlog            get/set the log level for each daemon"
   echo "  distch path:owner:group:permisson"
@@ -127,6 +128,9 @@ case ${COMMAND} in
   classpath)
     hadoop_do_classpath_subcommand CLASS "$@"
   ;;
+  conftest)
+    CLASS=org.apache.hadoop.util.ConfTest
+  ;;
   credential)
     CLASS=org.apache.hadoop.security.alias.CredentialShell
   ;;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5df1fadf/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ConfTest.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ConfTest.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ConfTest.java
new file mode 100644
index 0000000..3f37f5a
--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ConfTest.java
@@ -0,0 +1,368 @@
+/*
+ * 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.hadoop.util;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Stack;
+import java.util.Map.Entry;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLEventReader;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.events.Attribute;
+import javax.xml.stream.events.Characters;
+import javax.xml.stream.events.StartElement;
+import javax.xml.stream.events.XMLEvent;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.GnuParser;
+import org.apache.commons.cli.MissingArgumentException;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.OptionBuilder;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+import org.apache.hadoop.classification.InterfaceAudience;
+
+/**
+ * This class validates configuration XML files in ${HADOOP_CONF_DIR} or
+ * specified ones.
+ */
+@InterfaceAudience.Private
+public final class ConfTest {
+
+  private static final String USAGE =
+      "Usage: hadoop conftest [-conffile <path>|-h|--help]\n"
+      + "  Options:\n"
+      + "  \n"
+      + "  -conffile <path>\n"
+      + "    If not specified, the files in ${HADOOP_CONF_DIR}\n"
+      + "    whose name end with .xml will be verified.\n"
+      + "    If specified, that path will be verified.\n"
+      + "    You can specify either a file or directory, and\n"
+      + "    if a directory specified, the files in that directory\n"
+      + "    whose name end with .xml will be verified.\n"
+      + "    You can specify this option multiple times.\n"
+      + "  -h, --help       Print this help";
+
+  private static final String HADOOP_CONF_DIR = "HADOOP_CONF_DIR";
+
+  protected ConfTest() {
+    super();
+  }
+
+  private static List<NodeInfo> parseConf(InputStream in)
+      throws XMLStreamException {
+    QName configuration = new QName("configuration");
+    QName property = new QName("property");
+
+    List<NodeInfo> nodes = new ArrayList<NodeInfo>();
+    Stack<NodeInfo> parsed = new Stack<NodeInfo>();
+
+    XMLInputFactory factory = XMLInputFactory.newInstance();
+    XMLEventReader reader = factory.createXMLEventReader(in);
+
+    while (reader.hasNext()) {
+      XMLEvent event = reader.nextEvent();
+      if (event.isStartElement()) {
+        StartElement currentElement = event.asStartElement();
+        NodeInfo currentNode = new NodeInfo(currentElement);
+        if (parsed.isEmpty()) {
+          if (!currentElement.getName().equals(configuration)) {
+            return null;
+          }
+        } else {
+          NodeInfo parentNode = parsed.peek();
+          QName parentName = parentNode.getStartElement().getName();
+          if (parentName.equals(configuration)
+              && currentNode.getStartElement().getName().equals(property)) {
+            @SuppressWarnings("unchecked")
+            Iterator<Attribute> it = currentElement.getAttributes();
+            while (it.hasNext()) {
+              currentNode.addAttribute(it.next());
+            }
+          } else if (parentName.equals(property)) {
+            parentNode.addElement(currentElement);
+          }
+        }
+        parsed.push(currentNode);
+      } else if (event.isEndElement()) {
+        NodeInfo node = parsed.pop();
+        if (parsed.size() == 1) {
+          nodes.add(node);
+        }
+      } else if (event.isCharacters()) {
+        if (2 < parsed.size()) {
+          NodeInfo parentNode = parsed.pop();
+          StartElement parentElement = parentNode.getStartElement();
+          NodeInfo grandparentNode = parsed.peek();
+          if (grandparentNode.getElement(parentElement) == null) {
+            grandparentNode.setElement(parentElement, event.asCharacters());
+          }
+          parsed.push(parentNode);
+        }
+      }
+    }
+
+    return nodes;
+  }
+
+  public static List<String> checkConf(InputStream in) {
+    List<NodeInfo> nodes = null;
+    List<String> errors = new ArrayList<String>();
+
+    try {
+      nodes = parseConf(in);
+      if (nodes == null) {
+        errors.add("bad conf file: top-level element not <configuration>");
+      }
+    } catch (XMLStreamException e) {
+      errors.add("bad conf file: " + e.getMessage());
+    }
+
+    if (!errors.isEmpty()) {
+      return errors;
+    }
+
+    Map<String, List<Integer>> duplicatedProperties =
+        new HashMap<String, List<Integer>>();
+
+    for (NodeInfo node : nodes) {
+      StartElement element = node.getStartElement();
+      int line = element.getLocation().getLineNumber();
+
+      if (!element.getName().equals(new QName("property"))) {
+        errors.add(String.format("Line %d: element not <property>", line));
+        continue;
+      }
+
+      List<XMLEvent> events = node.getXMLEventsForQName(new QName("name"));
+      if (events == null) {
+        errors.add(String.format("Line %d: <property> has no <name>", line));
+      } else {
+        String v = null;
+        for (XMLEvent event : events) {
+          if (event.isAttribute()) {
+            v = ((Attribute) event).getValue();
+          } else {
+            Characters c = node.getElement(event.asStartElement());
+            if (c != null) {
+              v = c.getData();
+            }
+          }
+          if (v == null || v.isEmpty()) {
+            errors.add(String.format("Line %d: <property> has an empty <name>",
+                line));
+          }
+        }
+        if (v != null && !v.isEmpty()) {
+          List<Integer> lines = duplicatedProperties.get(v);
+          if (lines == null) {
+            lines = new ArrayList<Integer>();
+            duplicatedProperties.put(v, lines);
+          }
+          lines.add(node.getStartElement().getLocation().getLineNumber());
+        }
+      }
+
+      events = node.getXMLEventsForQName(new QName("value"));
+      if (events == null) {
+        errors.add(String.format("Line %d: <property> has no <value>", line));
+      }
+
+      for (QName qName : node.getDuplicatedQNames()) {
+        if (!qName.equals(new QName("source"))) {
+          errors.add(String.format("Line %d: <property> has duplicated <%s>s",
+              line, qName));
+        }
+      }
+    }
+
+    for (Entry<String, List<Integer>> e : duplicatedProperties.entrySet()) {
+      List<Integer> lines = e.getValue();
+      if (1 < lines.size()) {
+        errors.add(String.format("Line %s: duplicated <property>s for %s",
+            StringUtils.join(", ", lines), e.getKey()));
+      }
+    }
+
+    return errors;
+  }
+
+  private static File[] listFiles(File dir) {
+    return dir.listFiles(new FileFilter() {
+      @Override
+      public boolean accept(File file) {
+        return file.isFile() && file.getName().endsWith(".xml");
+      }
+    });
+  }
+
+  @SuppressWarnings("static-access")
+  public static void main(String[] args) throws IOException {
+    GenericOptionsParser genericParser = new GenericOptionsParser(args);
+    String[] remainingArgs = genericParser.getRemainingArgs();
+
+    Option conf = OptionBuilder.hasArg().create("conffile");
+    Option help = OptionBuilder.withLongOpt("help").create('h');
+    Options opts = new Options().addOption(conf).addOption(help);
+    CommandLineParser specificParser = new GnuParser();
+    CommandLine cmd = null;
+    try {
+      cmd = specificParser.parse(opts, remainingArgs);
+    } catch (MissingArgumentException e) {
+      terminate(1, "No argument specified for -conffile option");
+    } catch (ParseException e) {
+      terminate(1, USAGE);
+    }
+    if (cmd == null) {
+      terminate(1, "Failed to parse options");
+    }
+
+    if (cmd.hasOption('h')) {
+      terminate(0, USAGE);
+    }
+
+    List<File> files = new ArrayList<File>();
+    if (cmd.hasOption("conffile")) {
+      String[] values = cmd.getOptionValues("conffile");
+      for (String value : values) {
+        File confFile = new File(value);
+        if (confFile.isFile()) {
+          files.add(confFile);
+        } else if (confFile.isDirectory()) {
+          for (File file : listFiles(confFile)) {
+            files.add(file);
+          }
+        } else {
+          terminate(1, confFile.getAbsolutePath()
+              + " is neither a file nor directory");
+        }
+      }
+    } else {
+      String confDirName = System.getenv(HADOOP_CONF_DIR);
+      if (confDirName == null) {
+        terminate(1, HADOOP_CONF_DIR + " does not defined");
+      }
+      File confDir = new File(confDirName);
+      if (!confDir.isDirectory()) {
+        terminate(1, HADOOP_CONF_DIR + " is not a directory");
+      }
+      files = Arrays.asList(listFiles(confDir));
+    }
+    if (files.isEmpty()) {
+      terminate(1, "No input file to validate");
+    }
+
+    boolean ok = true;
+    for (File file : files) {
+      String path = file.getAbsolutePath();
+      List<String> errors = checkConf(new FileInputStream(file));
+      if (errors.isEmpty()) {
+        System.out.println(path + ": valid");
+      } else {
+        ok = false;
+        System.err.println(path + ":");
+        for (String error : errors) {
+          System.err.println("\t" + error);
+        }
+      }
+    }
+    if (ok) {
+      System.out.println("OK");
+    } else {
+      terminate(1, "Invalid file exists");
+    }
+  }
+
+  private static void terminate(int status, String msg) {
+    System.err.println(msg);
+    System.exit(status);
+  }
+}
+
+class NodeInfo {
+
+  private StartElement startElement;
+  private List<Attribute> attributes = new ArrayList<Attribute>();
+  private Map<StartElement, Characters> elements =
+      new HashMap<StartElement, Characters>();
+  private Map<QName, List<XMLEvent>> qNameXMLEventsMap =
+      new HashMap<QName, List<XMLEvent>>();
+
+  public NodeInfo(StartElement startElement) {
+    this.startElement = startElement;
+  }
+
+  private void addQNameXMLEvent(QName qName, XMLEvent event) {
+    List<XMLEvent> events = qNameXMLEventsMap.get(qName);
+    if (events == null) {
+      events = new ArrayList<XMLEvent>();
+      qNameXMLEventsMap.put(qName, events);
+    }
+    events.add(event);
+  }
+
+  public StartElement getStartElement() {
+    return startElement;
+  }
+
+  public void addAttribute(Attribute attribute) {
+    attributes.add(attribute);
+    addQNameXMLEvent(attribute.getName(), attribute);
+  }
+
+  public Characters getElement(StartElement element) {
+    return elements.get(element);
+  }
+
+  public void addElement(StartElement element) {
+    setElement(element, null);
+    addQNameXMLEvent(element.getName(), element);
+  }
+
+  public void setElement(StartElement element, Characters text) {
+    elements.put(element, text);
+  }
+
+  public List<QName> getDuplicatedQNames() {
+    List<QName> duplicates = new ArrayList<QName>();
+    for (Map.Entry<QName, List<XMLEvent>> e : qNameXMLEventsMap.entrySet()) {
+      if (1 < e.getValue().size()) {
+        duplicates.add(e.getKey());
+      }
+    }
+    return duplicates;
+  }
+
+  public List<XMLEvent> getXMLEventsForQName(QName qName) {
+    return qNameXMLEventsMap.get(qName);
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5df1fadf/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestConfTest.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestConfTest.java
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestConfTest.java
new file mode 100644
index 0000000..f6cc7c3
--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestConfTest.java
@@ -0,0 +1,204 @@
+/*
+ * 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.hadoop.util;
+
+import static org.junit.Assert.*;
+
+import java.io.ByteArrayInputStream;
+import java.util.List;
+
+import org.junit.Test;
+
+public class TestConfTest {
+
+  @Test
+  public void testEmptyConfiguration() {
+    String conf = "<configuration/>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertTrue(errors.isEmpty());
+  }
+
+  @Test
+  public void testValidConfiguration() {
+    String conf = "<configuration>\n"
+        + "<property>\n"
+        + "<name>foo</name>\n"
+        + "<value>bar</value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertTrue(errors.isEmpty());
+  }
+
+  @Test
+  public void testSourceDuplicationIsValid() {
+    String conf = "<configuration>\n"
+        + "<property source='a'>\n"
+        + "<name>foo</name>\n"
+        + "<value>bar</value>\n"
+        + "<source>b</source>\n"
+        + "<source>c</source>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertTrue(errors.isEmpty());
+  }
+
+  @Test
+  public void testEmptyInput() {
+    String conf = "";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertTrue(errors.get(0).startsWith("bad conf file: "));
+  }
+
+  @Test
+  public void testInvalidFormat() {
+    String conf = "<configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertTrue(errors.get(0).startsWith("bad conf file: "));
+  }
+
+  @Test
+  public void testRootElementNotConfiguration() {
+    String conf = "<configurations/>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("bad conf file: top-level element not <configuration>", errors.get(0));
+  }
+
+  @Test
+  public void testSubElementNotProperty() {
+    String conf = "<configuration>\n"
+        + "<foo/>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2: element not <property>", errors.get(0));
+  }
+
+  @Test
+  public void testPropertyHasNoName() {
+    String conf ="<configuration>\n"
+        + "<property>\n"
+        + "<value>foo</value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2: <property> has no <name>", errors.get(0));
+  }
+
+  @Test
+  public void testPropertyHasEmptyName() {
+    String conf = "<configuration>\n"
+        + "<property>\n"
+        + "<name></name>\n"
+        + "<value>foo</value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2: <property> has an empty <name>", errors.get(0));
+  }
+
+  @Test
+  public void testPropertyHasNoValue() {
+    String conf ="<configuration>\n"
+        + "<property>\n"
+        + "<name>foo</name>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2: <property> has no <value>", errors.get(0));
+  }
+
+  @Test
+  public void testPropertyHasEmptyValue() {
+    String conf = "<configuration>\n"
+        + "<property>\n"
+        + "<name>foo</name>\n"
+        + "<value></value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertTrue(errors.isEmpty());
+  }
+
+  @Test
+  public void testPropertyHasDuplicatedAttributeAndElement() {
+    String conf = "<configuration>\n"
+        + "<property name='foo'>\n"
+        + "<name>bar</name>\n"
+        + "<value>baz</value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2: <property> has duplicated <name>s", errors.get(0));
+  }
+
+  @Test
+  public void testPropertyHasDuplicatedElements() {
+    String conf = "<configuration>\n"
+        + "<property>\n"
+        + "<name>foo</name>\n"
+        + "<name>bar</name>\n"
+        + "<value>baz</value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2: <property> has duplicated <name>s", errors.get(0));
+  }
+
+  @Test
+  public void testDuplicatedProperties() {
+    String conf = "<configuration>\n"
+        + "<property>\n"
+        + "<name>foo</name>\n"
+        + "<value>bar</value>\n"
+        + "</property>\n"
+        + "<property>\n"
+        + "<name>foo</name>\n"
+        + "<value>baz</value>\n"
+        + "</property>\n"
+        + "</configuration>";
+    ByteArrayInputStream bais = new ByteArrayInputStream(conf.getBytes());
+    List<String> errors = ConfTest.checkConf(bais);
+    assertEquals(1, errors.size());
+    assertEquals("Line 2, 6: duplicated <property>s for foo", errors.get(0));
+  }
+
+}


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