/**
* Delete document or folder.
*
* @throws IOException I/O exception
*/
protected void del() throws IOException {
final Session session = http.session();
session.execute(new Open(db));
session.execute(new Delete(path));
// create dummy, if parent is an empty folder
final int ix = path.lastIndexOf(SEP);
if (ix > 0) createDummy(path.substring(0, ix));
}
/**
* Queries empty content.
*
* @throws IOException I/O exception
*/
@Test
public void queryEmptyBinary() throws IOException {
session.execute("create db " + NAME);
session.store("X", new ArrayInput(""));
assertEqual("", session.execute("xquery " + RAW + _DB_RETRIEVE.args(NAME, "X")));
assertEqual("", session.query(RAW + _DB_RETRIEVE.args(NAME, "X")).execute());
final Query q = session.query(RAW + _DB_RETRIEVE.args(NAME, "X"));
assertTrue(q.more());
assertEqual("", q.next());
assertNull(q.next());
}
/**
* Stores binary content in the database.
*
* @throws IOException I/O exception
*/
@Test
public final void store() throws IOException {
session.execute("create db " + NAME);
session.store("X", new ArrayInput("!"));
assertEqual("true", session.query(_DB_IS_RAW.args(NAME, "X")).execute());
session.store("X", new ArrayInput(""));
assertEqual("", session.query(_DB_RETRIEVE.args(NAME, "X")).execute());
session.store("X", new ArrayInput(new byte[] {0, 1, -1}));
assertEqual(
"0001FF", session.query("xs:hexBinary(" + _DB_RETRIEVE.args(NAME, "X") + ')').execute());
session.execute("drop db " + NAME);
}
/**
* Rename document or folder.
*
* @param n new name
* @throws IOException I/O exception
*/
protected void rename(final String n) throws IOException {
final Session session = http.session();
session.execute(new Open(db));
session.execute(new Rename(path, n));
// create dummy, if old parent is an empty folder
final int i1 = path.lastIndexOf(SEP);
if (i1 > 0) createDummy(path.substring(0, i1));
// delete dummy, if new parent is an empty folder
final int i2 = n.lastIndexOf(SEP);
if (i2 > 0) deleteDummy(n.substring(0, i2));
}
/** Clean up method. */
@After
public void cleanUp() {
try {
testSession.close();
adminSession.execute(new DropDB(RENAMED));
adminSession.execute(new DropDB(NAME));
adminSession.close();
// give the server some time to clean up the sessions before next test
Performance.sleep(100);
} catch (final Exception ex) {
fail(Util.message(ex));
}
}
/**
* Assumes that this command is successful.
*
* @param cmd command reference
* @param s session
*/
private static void ok(final Command cmd, final Session s) {
try {
s.execute(cmd);
} catch (final IOException ex) {
fail(Util.message(ex));
}
}
/**
* Assumes that this command fails.
*
* @param cmd command reference
* @param s session
*/
private static void no(final Command cmd, final Session s) {
try {
s.execute(cmd);
fail("\"" + cmd + "\" was supposed to fail.");
} catch (final IOException ignored) {
}
}
/**
* Performs the specified query n times and and returns the result.
*
* @param query query to be evaluated
* @param n number of runs
* @return resulting string
* @throws IOException I/O exception
*/
protected static String eval(final int n, final String query) throws IOException {
// loop through number of runs for a single query
check();
String result = "";
for (int rn = 0; rn < n; ++rn) result = session.execute(new XQuery(query));
return result;
}
/**
* Runs a query with additional serialization parameters.
*
* @throws IOException I/O exception
*/
@Test
public void querySerial1() throws IOException {
session.execute("set serializer wrap-prefix=db,wrap-uri=ns");
final Query query = session.query(WRAPPER + "()");
assertTrue("Result expected.", query.more());
assertEqual("<db:results xmlns:db=\"ns\"/>", query.next());
assertFalse("No result expected.", query.more());
}
/**
* Stores binary content.
*
* @throws IOException I/O exception
*/
@Test
public void storeBinary() throws IOException {
session.execute("create db " + NAME);
session.store("X", new ArrayInput(new byte[] {-128, -2, -1, 0, 1, 127}));
assertEqual(
"-128 -2 -1 0 1 127",
session.query(_CONVERT_BINARY_TO_BYTES.args(_DB_RETRIEVE.args(NAME, "X"))).execute());
}
/**
* Adds documents to a database.
*
* @throws IOException I/O exception
*/
@Test
public final void add() throws IOException {
session.execute("create db " + NAME);
session.add(NAME, new ArrayInput("<X/>"));
assertEqual("1", session.query("count(" + _DB_OPEN.args(NAME) + ')').execute());
for (int i = 0; i < 9; i++) session.add(NAME, new ArrayInput("<X/>"));
assertEqual("10", session.query("count(" + _DB_OPEN.args(NAME) + ')').execute());
}
/** Stops a session. */
@After
public final void stopSession() {
try {
if (cleanup) session.execute(new DropDB(NAME));
session.close();
} catch (final IOException ex) {
fail(Util.message(ex));
}
}
/**
* Initializes the benchmark.
*
* @throws IOException I/O exception
*/
@BeforeClass
public static void init() throws IOException {
// check if server is (not) running
final int sp = context.soptions.get(StaticOptions.SERVERPORT);
server = local || BaseXServer.ping(S_LOCALHOST, sp) ? null : createServer();
session = local ? new LocalSession(context) : createClient();
// create test database
session.execute(new Set(MainOptions.QUERYINFO, true));
}
/**
* Replaces documents in a database.
*
* @throws IOException I/O exception
*/
@Test
public final void replace() throws IOException {
session.execute("create db " + NAME);
assertEqual("0", session.query("count(" + _DB_OPEN.args(NAME) + ')').execute());
session.replace(NAME, new ArrayInput("<X/>"));
assertEqual("1", session.query("count(" + _DB_OPEN.args(NAME) + ')').execute());
session.replace(NAME + '2', new ArrayInput("<X/>"));
assertEqual("2", session.query("count(" + _DB_OPEN.args(NAME) + ')').execute());
session.replace(NAME + '2', new ArrayInput("<X/>"));
assertEqual("2", session.query("count(" + _DB_OPEN.args(NAME) + ')').execute());
}
/**
* Queries binary content (works only if output stream is specified).
*
* @throws IOException I/O exception
*/
@Test
public void queryBinary() throws IOException {
if (out == null) return;
session.execute("create db " + NAME);
final byte[] tmp = {0, 1, 2, 127, 0, -1, -2, -128};
session.store("X", new ArrayInput(tmp));
final String retr = _DB_RETRIEVE.args(NAME, "X");
// check command
session.execute("xquery " + RAW + retr + ',' + retr);
assertTrue(eq(out.toArray(), concat(tmp, tmp)));
out.reset();
// check query execution
session.query(RAW + retr + ',' + retr).execute();
assertTrue(eq(out.toArray(), concat(tmp, tmp)));
out.reset();
// check iterator
final Query q = session.query(RAW + retr + ',' + retr);
q.next();
assertTrue(eq(out.toArray(), tmp));
out.reset();
q.next();
assertTrue(eq(out.toArray(), tmp));
assertNull(q.next());
}
/**
* Runs a query command and retrieves the result as string.
*
* @throws IOException I/O exception
*/
@Test
public final void command() throws IOException {
session.execute("set serializer wrap-prefix=,wrap-uri=");
assertEqual("A", session.execute("xquery 'A'"));
}
/**
* Adds a file with missing input.
*
* @throws IOException I/O exception
*/
@Test(expected = BaseXException.class)
public final void replaceNoInput() throws IOException {
session.execute("create db " + NAME);
session.replace("", new ArrayInput(""));
}
/**
* Stores binary content in the database.
*
* @throws IOException I/O exception
*/
@Test(expected = BaseXException.class)
public final void storeInvalid() throws IOException {
session.execute("create db " + NAME);
session.store("..", new ArrayInput("!"));
}
public static void main(String[] args) {
for (int i = 0; i < args.length; ++i) {
if ("-endpoint".equals(args[i])) {
endpoint = args[++i];
} else if ("-keyspace".equals(args[i])) {
keyspace = args[++i];
} else if ("-table".equals(args[i])) {
table = args[++i];
} else {
System.err.println("ConsistencyTest -endpoint hostname -keyspace keyspace -table table");
}
}
if (endpoint == null || keyspace == null || table == null) {
System.err.println("ConsistencyTest -endpoint hostname -keyspace keyspace -table table");
System.exit(1);
}
String[] endpoints = endpoint.split(":");
try {
cluster =
Cluster.builder()
.addContactPoints(endpoints)
.withRetryPolicy(DefaultRetryPolicy.INSTANCE)
.withLoadBalancingPolicy(new TokenAwarePolicy(new DCAwareRoundRobinPolicy()))
.build();
session = cluster.connect(keyspace);
// work with ONE for both write and read
long s1 = System.currentTimeMillis();
Statement insert =
QueryBuilder.insertInto(table)
.value("user_id", 100)
.value("fname", "john")
.value("lname", "yamada")
.value("number", 100);
insert.setConsistencyLevel(ConsistencyLevel.ONE);
session.execute(insert);
long e1 = System.currentTimeMillis();
System.out.println("write ONE time taken (ms) : " + (e1 - s1));
long s2 = System.currentTimeMillis();
Statement select =
QueryBuilder.select().all().from(table).where(QueryBuilder.eq("user_id", 100));
select.setConsistencyLevel(ConsistencyLevel.ONE);
results = session.execute(select);
for (Row row : results) {
System.out.format(
"%d %s %s %d\n",
row.getInt("user_id"),
row.getString("fname"),
row.getString("lname"),
row.getInt("number"));
}
long e2 = System.currentTimeMillis();
System.out.println("read ONE time taken (ms) : " + (e2 - s2));
Statement delete = QueryBuilder.delete().from(table).where(QueryBuilder.eq("user_id", 100));
results = session.execute(delete);
// work with QUORUM for both write and read
long s3 = System.currentTimeMillis();
Statement insert2 =
QueryBuilder.insertInto(table)
.value("user_id", 200)
.value("fname", "john")
.value("lname", "yamada")
.value("number", 100);
insert2.setConsistencyLevel(ConsistencyLevel.QUORUM);
session.execute(insert2);
long e3 = System.currentTimeMillis();
System.out.println("write QUORUM time taken (ms) : " + (e3 - s3));
long s4 = System.currentTimeMillis();
Statement select2 =
QueryBuilder.select().all().from(table).where(QueryBuilder.eq("user_id", 200));
select2.setConsistencyLevel(ConsistencyLevel.QUORUM);
results = session.execute(select2);
for (Row row : results) {
System.out.format(
"%d %s %s %d\n",
row.getInt("user_id"),
row.getString("fname"),
row.getString("lname"),
row.getInt("number"));
}
long e4 = System.currentTimeMillis();
System.out.println("read QUORUM time taken (ms) : " + (e4 - s4));
Statement delete2 = QueryBuilder.delete().from(table).where(QueryBuilder.eq("user_id", 200));
results = session.execute(delete2);
// Clean up the connection by closing it
cluster.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Retrieves empty content.
*
* @throws IOException I/O exception
*/
@Test
public void retrieveEmpty() throws IOException {
session.execute("create db " + NAME);
session.store("X", new ArrayInput(""));
assertEqual("", session.execute("retrieve X"));
}
/**
* Runs a query command and retrieves the result as string.
*
* @throws IOException I/O exception
*/
@Test(expected = BaseXException.class)
public final void commandErr() throws IOException {
session.execute("1,<a/>+''");
}
/**
* Runs an erroneous query command.
*
* @throws IOException I/O exception
*/
@Test(expected = BaseXException.class)
public final void commandError() throws IOException {
session.execute("xquery (");
}
/**
* Runs a query command and wraps the result.
*
* @throws IOException I/O exception
*/
@Test
public final void commandSerial2() throws IOException {
assertEqual(
"<db:results xmlns:db=\"ns\">" + " <db:result>1</db:result>" + "</db:results>",
session.execute("xquery " + WRAPPER + '1'));
}
/**
* Adds a file with an invalid file name.
*
* @throws IOException I/O exception
*/
@Test(expected = BaseXException.class)
public final void addNameErr() throws IOException {
session.execute("create db " + NAME);
session.add("", new ArrayInput("<X/>"));
}
/**
* Creates or opens the test database.
*
* @throws IOException I/O exception
*/
private static void check() throws IOException {
session.execute(new Check(INPUT));
}
/**
* Runs a query command and wraps the result.
*
* @throws IOException I/O exception
*/
@Test
public final void commandSerial1() throws IOException {
session.execute("set serializer wrap-prefix=db,wrap-uri=ns");
assertEqual("<db:results xmlns:db=\"ns\"/>", session.execute("xquery ()"));
}