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package eu.dnetlib.xml.database.exist;
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import java.io.IOException;
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import java.util.*;
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import eu.dnetlib.xml.database.XMLDatabase;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Ignore;
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import org.junit.Test;
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import org.xmldb.api.base.XMLDBException;
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import static org.junit.Assert.*;
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/**
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* Test the exist wrapper.
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*
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* @author marko
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*
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*/
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public class ExistDatabaseTest { // NOPMD by marko on 11/24/08 5:01 PM
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/**
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* number of values in stress test profile.
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*/
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private static final int STRESS_VALUES = 100;
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/**
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* number of times the values are repeated in the stress test.
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*/
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private static final int STRESS_PROF_LEN = 100;
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/**
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* number of profile writes in stress test.
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*/
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private static final int STRESS_TIMES = 2000000;
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/**
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* number of collections for stress test.
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*/
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private static final int STRESS_COLLS = 40;
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/**
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* number of profiles in stress test.
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*/
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private static final int STRESS_PROFILES = 1000;
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/**
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* parallel tuning.
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*/
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private static final int VALUE_SCATTER = 7;
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/**
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* parallel tuning.
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*/
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private static final int QUERY_SCATTER = 5;
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/**
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* test trigger name.
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*/
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private static final String TEST_TRIGGER = "testTrigger";
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/**
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* number of collections for parallel test.
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*/
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private static final int PAR_COLLS = 20;
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/**
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* iterations per thread.
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*/
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private static final int PAR_ITERATIONS = 100;
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/**
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* parallel job executions.
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*/
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private static final int PAR_TIMES = 100;
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/**
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* logger.
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*/
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public static final Log log = LogFactory.getLog(ExistDatabaseTest.class); // NOPMD by marko on 11/24/08 5:01 PM
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/**
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* test xml string.
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*/
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private static final String HELLO_XML = "<hello/>";
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/**
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* test xml content.
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*/
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private static final String HELLO_XML_CONTENT = "<hello>content</hello>";
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/**
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* test file name.
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*/
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private static final String EXAMPLE = "example";
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/**
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* trigger test file name.
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*/
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private static final String TRIGGER_TEST_FILE = "shouldTrigger";
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/**
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* root collection prefix.
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*/
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private static final String DB_ROOT = "/db";
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/**
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* test collection name.
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*/
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private static final String DB_TEST = "/db/testCollection";
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/**
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* test other collection name.
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*/
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private static final String DB_OTHER = "/db/otherCollection";
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/**
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* test sub collection.
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*/
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private static final String DB_SUB = DB_TEST + "/sub";
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/**
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* xml database under test.
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*/
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private transient XMLDatabase database;
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/**
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* eXist database under test, viewed only in setUp and tearDown.
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*/
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private transient ExistDatabase edb;
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/**
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* prepares the database.
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*
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* @throws Exception
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* exist error
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*/
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@Before
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public void setUp() throws Exception {
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edb = new TemporaryExistDatabase();
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edb.start();
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database = edb;
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}
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/**
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* shuts down the database.
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*
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* @throws IOException
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* happens
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*/
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@After
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public void tearDown() throws IOException {
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if (edb != null)
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edb.stop();
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}
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/**
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* test create.
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*
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* @throws XMLDBException
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* happens
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*/
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@Test
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public void create() throws XMLDBException {
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database.create(EXAMPLE, DB_ROOT, HELLO_XML);
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assertEquals("database resource created", true, true);
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}
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/**
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* correct behavior is to throw exception on empty file name, because otherwise the file is invisible but the data
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* is inserted in the xml db.
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*
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* @throws XMLDBException
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* expected
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*/
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@Test(expected = XMLDBException.class)
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public void createEmptyName() throws XMLDBException {
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database.create("", DB_ROOT, "<shouldnt_exist/>");
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// code to repeat the bug, shouldn't be executed because of the expected exception
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final Iterator<String> res = database.xquery("collection('')/shouldnt_exist");
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assertTrue("shouldn't exist, but it exists", res.hasNext());
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log.info(database.list(DB_ROOT));
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assertEquals("file should be listed, with empty file name", 1, database.list(DB_ROOT).size());
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assertEquals("file should be listed, with empty file name", "", database.list(DB_ROOT).get(0));
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assertEquals("the file can be retrieved", "<shouldnt_exist/>", database.read("", DB_ROOT));
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}
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/**
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* test read.
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*
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* @throws XMLDBException
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* shouldn't happen
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*/
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@Test
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public void read() throws XMLDBException {
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create();
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final String res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("simple reading", HELLO_XML, res);
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}
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/**
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* test read of non existing file.
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*
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* @throws XMLDBException
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* shouldn't throw exception
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*/
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@Test
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public void readError() throws XMLDBException {
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final String res = database.read("nonExisting", DB_ROOT);
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assertEquals("expecting null on unexisting", null, res);
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}
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/**
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* test remove.
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*
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* @throws XMLDBException
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* shouldn't throw exception
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*/
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@Test
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public void remove() throws XMLDBException {
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database.create(EXAMPLE, DB_ROOT, HELLO_XML);
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String res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("reading", HELLO_XML, res);
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database.remove(EXAMPLE, DB_ROOT);
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res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("now it doesn't exist", null, res);
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}
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/**
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* delete unexisting file.
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*
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* @throws XMLDBException
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* could happen
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*/
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@Test
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public void doubleDelete() throws XMLDBException {
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database.create(EXAMPLE, DB_ROOT, HELLO_XML);
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String res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("reading", HELLO_XML, res);
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database.remove(EXAMPLE, DB_ROOT);
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res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("now it doesn't exist", null, res);
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assertFalse("already exists", database.remove(EXAMPLE, DB_ROOT));
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}
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/**
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* update an xml file.
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*
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* @throws XMLDBException
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* shouldn't happen
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*/
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@Test
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public void update() throws XMLDBException {
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database.create(EXAMPLE, DB_ROOT, HELLO_XML);
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String res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("reading", HELLO_XML, res);
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database.update(EXAMPLE, DB_ROOT, "<world/>");
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res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("now it doesn't exist", "<world/>", res);
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}
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/**
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* update an unexisting file.
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*
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* @throws XMLDBException
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* expected
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*/
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@Test(expected = XMLDBException.class)
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public void updateError() throws XMLDBException {
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database.create(EXAMPLE, DB_ROOT, HELLO_XML);
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database.remove(EXAMPLE, DB_ROOT);
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final String res = database.read(EXAMPLE, DB_ROOT);
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assertEquals("check non existing", null, res);
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database.update(EXAMPLE, DB_ROOT, "<world/>"); // throws
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}
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/**
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* test xquery.
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*
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* @throws XMLDBException
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* shouldn't happen
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*/
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@Test()
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public void query() throws XMLDBException {
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database.create(EXAMPLE, DB_ROOT, "<queryTest><one><sub/></one><two/></queryTest>");
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final Iterator<String> res = database.xquery("collection('/db')//queryTest/one");
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assertTrue("finds only one result", res.hasNext());
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final Iterator<String> res2 = database.xquery("collection('/db')//queryTest/two");
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assertTrue("finds only one result",res2.hasNext());
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assertEquals("check the correct result", "<two/>", res2.next());
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}
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/**
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* create a collection.
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*
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* @throws XMLDBException
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* shouldn't happen
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*/
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@Test()
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public void createCollection() throws XMLDBException {
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database.createCollection(DB_TEST);
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database.create(EXAMPLE, DB_TEST, "<col/>");
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final String res = database.read(EXAMPLE, DB_TEST);
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assertEquals("check another collection", "<col/>", res);
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}
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/**
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* check the existence of a collection.
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*
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* @throws XMLDBException
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* shouldn't happen
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*/
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@Test()
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public void checkCollection() throws XMLDBException {
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createCollection();
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assertTrue("check root", database.collectionExists(DB_ROOT));
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assertTrue("check test collection", database.collectionExists(DB_TEST));
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assertFalse("check non existing", database.collectionExists("/db/testNonExistingCollection"));
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}
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/**
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* shows that a spurious collection create is legal.
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*
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* @throws XMLDBException
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* shouldn't throw
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*/
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@Test()
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public void createCollectionDuplicate() throws XMLDBException {
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database.createCollection(DB_TEST);
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database.createCollection(DB_TEST);
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}
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/**
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* remove a collection.
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*
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* @throws XMLDBException
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* shouldn't throw
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*/
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@Test()
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public void removeCollection() throws XMLDBException {
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database.createCollection(DB_TEST);
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assertTrue("check before remove", database.collectionExists(DB_TEST));
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database.removeCollection(DB_TEST);
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assertFalse("check after remove", database.collectionExists(DB_TEST));
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}
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360
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/**
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* check useless contract with spring.
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*/
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@Test
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public void testIsRunning() {
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assertFalse("contract with spring", edb.isRunning());
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}
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/**
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* Test a scenario where exist fails to create a database.
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*
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* @throws IOException
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* happens
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* @throws XMLDBException
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* happens
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*/
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@Test(expected = IllegalStateException.class)
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public void checkWrongConfigFile() throws IOException, XMLDBException {
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edb.stop();
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edb = new ExistDatabase();
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try {
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edb.setConfigFile("/tmp/unexistingfile");
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edb.start();
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database = edb;
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create();
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} finally {
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edb = null; // NOPMD - just for junit
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}
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}
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390
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391
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/**
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392
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* get child collections.
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393
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*
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394
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* @throws XMLDBException
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395
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* shouldn't happen
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396
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*/
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@Test
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public void testListChildCollections() throws XMLDBException {
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database.createCollection(DB_TEST);
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assertTrue("check that collection exists", database.collectionExists(DB_TEST));
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final String[] expectedNames = new String[] { "child1", "child2", "child3" };
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for (String name : expectedNames)
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database.createCollection(DB_TEST + "/" + name);
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405
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406
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final List<String> res = database.listChildCollections(DB_TEST);
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// the db doesn't return then in the same order
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Collections.sort(res);
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assertArrayEquals("check list", expectedNames, res.toArray());
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}
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411
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|
412
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/**
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413
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* check list resources.
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414
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*
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415
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* @throws XMLDBException
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416
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* shouldn't happen
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417
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*/
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418
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@Test
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419
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public void testList() throws XMLDBException {
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420
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database.createCollection(DB_TEST);
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421
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assertTrue("collection should exist", database.collectionExists(DB_TEST));
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422
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423
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final String[] expectedNames = new String[] { "name1", "name2", "name3" };
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424
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for (String name : expectedNames)
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425
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database.create(name, DB_TEST, HELLO_XML);
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426
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427
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final List<String> res = database.list(DB_TEST);
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428
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// the db doesn't return then in the same order
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Collections.sort(res);
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430
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assertArrayEquals("check list", expectedNames, res.toArray());
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431
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}
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432
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|
433
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/**
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434
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* test low-level set trigger.
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435
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*
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436
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* @throws XMLDBException
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437
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* shouldn't happen
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438
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*/
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439
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@Test
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440
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public void testSetExistTrigger() throws XMLDBException {
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441
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final Map<String, String> params = new HashMap<String, String>();
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442
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params.put("listenerBean", "pippo");
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443
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444
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database.createCollection(DB_TEST);
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edb.setExistTrigger(TestExistTrigger.class, DB_TEST, Arrays.asList(new String[] { "store", "update", "delete" }), params);
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446
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447
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// assertNotNull("check that the conf is stored", database.read(ExistDatabase.COLLECTION_XCONF, DB_ROOT + "/system/config" + DB_TEST));
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448
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449
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database.create(TRIGGER_TEST_FILE, DB_TEST, HELLO_XML_CONTENT);
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450
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assertEquals("check the the write happened", HELLO_XML_CONTENT, database.read(TRIGGER_TEST_FILE, DB_TEST));
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451
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452
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database.update(TRIGGER_TEST_FILE, DB_TEST, "<hello>new content</hello>");
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453
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454
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database.xquery("for $x in collection('')/hello where $x/text() = 'new content' return update value $x/text() with 'xupdate'");
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455
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assertEquals("check the the xupdate happened", "<hello>xupdate</hello>", database.read(TRIGGER_TEST_FILE, DB_TEST));
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456
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}
|
457
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|
458
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/**
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459
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* Test high level addTrigger.
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460
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*
|
461
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* @throws XMLDBException
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462
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* shouldn't happen
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463
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*/
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464
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@Test
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465
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public void testRegisterTrigger() throws XMLDBException {
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466
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final TestTrigger trigger = new TestTrigger();
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467
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trigger.setName(TEST_TRIGGER);
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468
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469
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database.createCollection(DB_TEST);
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470
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database.registerTrigger(trigger, DB_TEST);
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471
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472
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assertFalse("check that the tester state is correct", trigger.isCreated());
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473
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474
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database.create(TRIGGER_TEST_FILE, DB_TEST, HELLO_XML_CONTENT);
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475
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assertEquals("check the the write happened", HELLO_XML_CONTENT, database.read(TRIGGER_TEST_FILE, DB_TEST));
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476
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assertFalse("check that the trigger is not invoked for the update event", trigger.isUpdated());
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477
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assertFalse("check that the trigger is not invoked for the deletion event", trigger.isDeleted());
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478
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assertTrue("check that the trigger is invoked create", trigger.isCreated());
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479
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assertEquals("check file name for create", TRIGGER_TEST_FILE, trigger.getLastFile());
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480
|
assertEquals("check collection name for create", DB_TEST, trigger.getLastCollection());
|
481
|
|
482
|
trigger.reset();
|
483
|
assertFalse("check that the tester state is correct", trigger.isUpdated());
|
484
|
database.update(TRIGGER_TEST_FILE, DB_TEST, "<hello>new content</hello>");
|
485
|
assertFalse("check that the trigger is not invoked for the creation event", trigger.isCreated());
|
486
|
assertFalse("check that the trigger is not invoked for the deletion event", trigger.isDeleted());
|
487
|
assertTrue("check that the trigger is invoked for update", trigger.isUpdated());
|
488
|
assertEquals("check file name for update", TRIGGER_TEST_FILE, trigger.getLastFile());
|
489
|
assertEquals("check collection name for update", DB_TEST, trigger.getLastCollection());
|
490
|
|
491
|
trigger.reset();
|
492
|
database.xquery("for $x in collection('')/hello where $x/text() = 'new content' return update value $x/text() with 'xupdate'");
|
493
|
assertTrue("check that the trigger is invoked for xupdate", trigger.isUpdated());
|
494
|
assertEquals("check file name for xupdate", TRIGGER_TEST_FILE, trigger.getLastFile());
|
495
|
assertEquals("check collection name for xupdate", DB_TEST, trigger.getLastCollection());
|
496
|
|
497
|
trigger.reset();
|
498
|
assertFalse("check that the tester state is correct", trigger.isDeleted());
|
499
|
database.remove(TRIGGER_TEST_FILE, DB_TEST);
|
500
|
assertFalse("check that the trigger is not invoked for the creation event", trigger.isCreated());
|
501
|
assertFalse("check that the trigger is not invoked for the update event", trigger.isUpdated());
|
502
|
assertNull("check that the file is removed", database.read(TRIGGER_TEST_FILE, DB_TEST));
|
503
|
assertTrue("check that the trigger is invoked for delete", trigger.isDeleted());
|
504
|
assertEquals("check file name for delete", TRIGGER_TEST_FILE, trigger.getLastFile());
|
505
|
assertEquals("check collection name for delete", DB_TEST, trigger.getLastCollection());
|
506
|
}
|
507
|
|
508
|
/**
|
509
|
* a trigger configuration file should not be listed as a xml file resource.
|
510
|
*
|
511
|
* @throws XMLDBException
|
512
|
* shouldn't happen
|
513
|
*/
|
514
|
@Test
|
515
|
public void testListWithTriggerConf() throws XMLDBException {
|
516
|
database.createCollection(DB_TEST);
|
517
|
assertTrue("collection should exist", database.collectionExists(DB_TEST));
|
518
|
|
519
|
final TestTrigger trigger = new TestTrigger();
|
520
|
trigger.setName(TEST_TRIGGER);
|
521
|
|
522
|
database.registerTrigger(trigger, DB_TEST);
|
523
|
|
524
|
final String[] expectedNames = new String[] { "name1", "name2", "name3" };
|
525
|
for (String name : expectedNames)
|
526
|
database.create(name, DB_TEST, HELLO_XML);
|
527
|
|
528
|
assertTrue("check that trigger was invoked", trigger.isCreated());
|
529
|
|
530
|
final List<String> res = database.list(DB_TEST);
|
531
|
// the db doesn't return then in the same order
|
532
|
Collections.sort(res);
|
533
|
assertArrayEquals("check list", expectedNames, res.toArray());
|
534
|
}
|
535
|
|
536
|
/**
|
537
|
* test trigger with several collections.
|
538
|
*
|
539
|
* @throws XMLDBException
|
540
|
* shoudn't happen
|
541
|
*/
|
542
|
@Test
|
543
|
public void testTriggerDifferentCollections() throws XMLDBException {
|
544
|
final TestTrigger trigger = new TestTrigger();
|
545
|
trigger.setName(TEST_TRIGGER);
|
546
|
|
547
|
database.createCollection(DB_TEST);
|
548
|
database.createCollection(DB_OTHER);
|
549
|
database.createCollection(DB_SUB);
|
550
|
|
551
|
database.registerTrigger(trigger, DB_TEST);
|
552
|
database.create(TRIGGER_TEST_FILE, DB_TEST, HELLO_XML);
|
553
|
assertTrue("trigger was registered for this collection", trigger.isCreated());
|
554
|
|
555
|
trigger.reset();
|
556
|
database.create(TRIGGER_TEST_FILE, DB_OTHER, HELLO_XML);
|
557
|
assertFalse("trigger was not registered for this collection", trigger.isCreated());
|
558
|
|
559
|
trigger.reset();
|
560
|
database.registerTrigger(trigger, DB_OTHER);
|
561
|
database.remove(TRIGGER_TEST_FILE, DB_OTHER);
|
562
|
assertTrue("trigger is now registered for this collection", trigger.isDeleted());
|
563
|
|
564
|
trigger.reset();
|
565
|
database.create(TRIGGER_TEST_FILE, DB_SUB, HELLO_XML);
|
566
|
assertTrue("trigger is automatically registered for the sub collection", trigger.isCreated());
|
567
|
|
568
|
}
|
569
|
|
570
|
/**
|
571
|
* fails because eXist wants that all collection paths begin with /db.
|
572
|
*
|
573
|
* @throws XMLDBException
|
574
|
* expected
|
575
|
*/
|
576
|
@Test(expected = XMLDBException.class)
|
577
|
public void testGetCollection() throws XMLDBException {
|
578
|
edb.getCollection("/something");
|
579
|
assertNotNull("dummy", edb);
|
580
|
}
|
581
|
|
582
|
/**
|
583
|
* simple parallel job.
|
584
|
*
|
585
|
* @author marko
|
586
|
*
|
587
|
*/
|
588
|
class SimpleParallelJob extends Thread { // NOPMD
|
589
|
/**
|
590
|
* some argument.
|
591
|
*/
|
592
|
private final transient int name;
|
593
|
/**
|
594
|
* record eventual exceptions.
|
595
|
*/
|
596
|
private transient Throwable throwable = null;
|
597
|
|
598
|
/**
|
599
|
* pass some argument to the job.
|
600
|
*
|
601
|
* @param name
|
602
|
* some argument
|
603
|
*/
|
604
|
SimpleParallelJob(final int name) {
|
605
|
super();
|
606
|
this.name = name;
|
607
|
}
|
608
|
|
609
|
/**
|
610
|
* {@inheritDoc}
|
611
|
*
|
612
|
* @see java.lang.Runnable#run()
|
613
|
*/
|
614
|
@Override
|
615
|
public void run() {
|
616
|
try {
|
617
|
parallelJob(name);
|
618
|
} catch (XMLDBException e) {
|
619
|
log.fatal("parallel job failing", e);
|
620
|
throwable = e;
|
621
|
} catch (Throwable e) { // NOPMD
|
622
|
log.fatal("other exception", e);
|
623
|
throwable = e;
|
624
|
}
|
625
|
}
|
626
|
|
627
|
public Throwable getThrowable() {
|
628
|
return throwable;
|
629
|
}
|
630
|
}
|
631
|
|
632
|
/**
|
633
|
* stress test the eXist db.
|
634
|
*
|
635
|
* @throws Throwable
|
636
|
* could
|
637
|
*/
|
638
|
@Test
|
639
|
public void testParallel() throws Throwable {
|
640
|
final TestTrigger trigger = new TestTrigger();
|
641
|
trigger.setName(TEST_TRIGGER);
|
642
|
|
643
|
database.registerTrigger(trigger, DB_ROOT);
|
644
|
|
645
|
final List<SimpleParallelJob> threads = new ArrayList<SimpleParallelJob>(); // NOPMD
|
646
|
for (int i = 0; i < PAR_TIMES; i++)
|
647
|
threads.add(new SimpleParallelJob(i)); // NOPMD
|
648
|
for (Thread thread : threads) { // NOPMD
|
649
|
thread.start();
|
650
|
}
|
651
|
for (Thread thread : threads) { // NOPMD
|
652
|
thread.join();
|
653
|
}
|
654
|
|
655
|
for (SimpleParallelJob thread : threads) { // NOPMD
|
656
|
if (thread.getThrowable() != null)
|
657
|
throw thread.getThrowable();
|
658
|
}
|
659
|
|
660
|
assertNotNull("dummy", threads);
|
661
|
}
|
662
|
|
663
|
/**
|
664
|
* Stress test for eXist WAL logs.
|
665
|
*
|
666
|
* @throws XMLDBException
|
667
|
* could happen
|
668
|
*/
|
669
|
@Test
|
670
|
@Ignore
|
671
|
public void testManueleStress() throws XMLDBException {
|
672
|
final StringBuffer childTemplate = new StringBuffer(200); // NOPMD
|
673
|
|
674
|
for (int i = 0; i < STRESS_VALUES; i++) {
|
675
|
childTemplate.append("<key>" + i + "-VAL</key><value>ITER</value>");
|
676
|
}
|
677
|
|
678
|
final StringBuffer hugeTemplate = new StringBuffer(200);
|
679
|
hugeTemplate.append("<root>");
|
680
|
for (int i = 0; i < STRESS_PROF_LEN; i++) {
|
681
|
final String child = childTemplate.toString().replace("VAL", Integer.toString(i));
|
682
|
hugeTemplate.append(child);
|
683
|
}
|
684
|
hugeTemplate.append("</root>");
|
685
|
|
686
|
for (int i = 0; i < STRESS_TIMES; i++) {
|
687
|
final String huge = hugeTemplate.toString().replace("ITER", Integer.toString(i));
|
688
|
database.create("stressTest-" + (i % STRESS_PROFILES), DB_ROOT + "/" + (i % STRESS_COLLS), huge);
|
689
|
}
|
690
|
|
691
|
assertNotNull("dummy", hugeTemplate);
|
692
|
}
|
693
|
|
694
|
/**
|
695
|
* one parallel job execution.
|
696
|
*
|
697
|
* @param arg
|
698
|
* some argument
|
699
|
* @throws XMLDBException
|
700
|
* could happen.
|
701
|
*/
|
702
|
protected void parallelJob(final int arg) throws XMLDBException {
|
703
|
final String name = Integer.toString(arg);
|
704
|
final String coll = DB_ROOT + "/" + Integer.toString(arg % PAR_COLLS);
|
705
|
database.create(name, coll, "<a" + name + "/>");
|
706
|
|
707
|
for (int i = 0; i < PAR_ITERATIONS; i++) {
|
708
|
database.update(name, coll, "<a" + name + " value=\"" + i % VALUE_SCATTER + "\"/>");
|
709
|
final Iterator<String> res = database.xquery("collection('')//*[@value='" + i % QUERY_SCATTER + "']");
|
710
|
while (res.hasNext())
|
711
|
res.next();
|
712
|
}
|
713
|
}
|
714
|
|
715
|
}
|