/** * Runs a query with an external variable declaration. * * @throws IOException I/O exception */ @Test public void queryBindURI() throws IOException { final Query query = session.query("declare variable $a external; $a"); query.bind("$a", "X", "xs:anyURI"); assertEqual("X", query.next()); query.close(); }
/** * Runs a query with a bound context value. * * @throws IOException I/O exception */ @Test public void queryContext() throws IOException { final Query query = session.query("."); query.context("5"); assertEqual("5", query.next()); query.close(); }
/** * Runs a query with an external variable declaration. * * @throws IOException I/O exception */ @Test public void queryBindDynamic() throws IOException { final Query query = session.query("declare variable $a as xs:integer external; $a"); query.bind("a", "1"); assertEqual("1", query.execute()); query.close(); }
/** * Runs a query and retrieves multiple results as string. * * @throws IOException I/O exception */ @Test public void queryMore() throws IOException { final Query query = session.query("1 to 3"); int c = 0; while (query.more()) assertEqual(++c, query.next()); query.close(); }
/** * Runs a query with a bound context value. * * @throws IOException I/O exception */ @Test public void queryContextInt() throws IOException { final Query query = session.query(". * 2"); query.context("6", "xs:integer"); assertEqual("12", query.next()); query.close(); }
/** * Runs a query with a bound context value. * * @throws IOException I/O exception */ @Test public void queryContextVar() throws IOException { final Query query = session.query("declare variable $a := .; $a"); query.context("<a/>", "element()"); assertEqual("<a/>", query.next()); query.close(); }
/** * Runs a query with an external variable declaration. * * @throws IOException I/O exception */ @Test public void queryBindEmptySequence() throws IOException { final Query query = session.query("declare variable $a external; $a"); query.bind("a", "()", "empty-sequence()"); assertNull(query.next()); query.close(); }
/** * Runs a query, omitting more(). * * @throws IOException I/O exception */ @Test public void queryNoMore() throws IOException { final Query query = session.query("1 to 2"); assertEqual("1", query.next()); assertEqual("2", query.next()); assertNull(query.next()); query.close(); }
/** * 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()); }
/** * Runs 5 queries in parallel. * * @throws IOException I/O exception */ @Test public void queryParallel2() throws IOException { final int size = 8; final Query[] cqs = new Query[size]; for (int q = 0; q < size; q++) cqs[q] = session.query(Integer.toString(q)); for (int q = 0; q < size; q++) assertEqual(q, cqs[q].next()); for (final Query query : cqs) query.close(); }
/** * Runs a query and checks the serialization parameters. * * @throws IOException I/O exception */ @Test public void queryOptions() throws IOException { final Query query = session.query("declare option output:encoding 'US-ASCII';()"); query.execute(); final SerializerOptions sp = new SerializerOptions(); sp.parse(query.options()); assertEquals("US-ASCII", sp.get(SerializerOptions.ENCODING)); query.close(); }
/** * Runs a query with additional serialization parameters. * * @throws IOException I/O exception */ @Test public void querySerial2() throws IOException { final Query query = session.query(WRAPPER + "1 to 2"); assertTrue("Result expected.", query.more()); assertEqual( "<db:results xmlns:db=\"ns\"> <db:result>1</db:result>" + " <db:result>2</db:result></db:results>", query.next()); }
/** * 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()); }
/** * Runs two queries in parallel. * * @throws IOException I/O exception */ @Test public void queryParallel() throws IOException { final Query query1 = session.query("1 to 2"); final Query query2 = session.query("reverse(3 to 4)"); assertEqual("1", query1.next()); assertEqual("4", query2.next()); assertEqual("2", query1.next()); assertEqual("3", query2.next()); assertNull(query1.next()); assertNull(query2.next()); query1.close(); query2.close(); }
/** * Runs a query with an external variable declaration. * * @throws IOException I/O exception */ @Test public void queryBind() throws IOException { final Query query = session.query("declare variable $a external; $a"); query.bind("$a", "4"); assertEqual("4", query.execute()); query.bind("$a", "5"); assertEqual("5", query.next()); query.bind("$a", "6"); assertEqual("6", query.next()); query.close(); }
/** * Binds maps to external variables via JSON. * * @throws IOException I/O exception */ @Test public void queryBindJson() throws IOException { final String var = "declare variable $x external;", map = "{\"foo\":[1,2,3],\"bar\":{\"a\":null,\"\":false}}"; final String[][] tests = { {"for $k in map:keys($x) order by $k descending return $k", "foo bar"}, {"every $k in map:keys($x('foo')) satisfies $k eq $x('foo')($k)", "true"}, {"empty($x('bar')('a')) and not($x('bar')(''))", "true"}, }; for (final String[] test : tests) { final Query q = session.query(var + test[0]); try { q.bind("$x", map, "json"); assertEqual(test[1], q.execute()); } finally { q.close(); } } }
/** * Runs a query and checks the updating flag. * * @throws IOException I/O exception */ @Test public void queryUpdating() throws IOException { // test non-updating query Query query = session.query("12345678"); assertFalse(query.updating()); assertEqual("12345678", query.execute()); assertFalse(query.updating()); query.close(); // test updating query query = session.query("insert node <a/> into <b/>"); assertTrue(query.updating()); assertEqual("", query.execute()); assertTrue(query.updating()); query.close(); }
/** * Runs a query with an external variable declaration. * * @throws IOException I/O exception */ @Test public void queryBindInt() throws IOException { Query query = session.query("declare variable $a as xs:integer external; $a"); query.bind("a", "5", "xs:integer"); assertEqual("5", query.next()); query.close(); query = session.query("declare variable $a external; $a"); query.bind("a", Int.get(1), "xs:integer"); assertEqual("1", query.next()); query.close(); }
/** * Queries empty content. * * @throws IOException I/O exception */ @Test public void queryEmptyString() throws IOException { final Query q = session.query("'',1"); assertTrue(q.more()); assertEqual("", q.next()); assertTrue(q.more()); assertEqual("1", q.next()); assertNull(q.next()); }
/** * 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 an erroneous query. * * @throws IOException expected exception */ @Test(expected = BaseXException.class) public void queryError3() throws IOException { final Query query = session.query("(1,'a')[. eq 1]"); assertEqual("1", query.next()); query.next(); }
/** * Runs a query, omitting more(). * * @throws IOException I/O exception */ @Test public void queryInfo() throws IOException { final Query query = session.query("1 to 2"); query.execute(); query.close(); }
/** * Tolerate multiple close calls. * * @throws IOException I/O exception */ @Test public void queryClose() throws IOException { final Query query = session.query("()"); query.close(); query.close(); }
/** * Runs a query, using more(). * * @throws IOException I/O exception */ @Test public void queryInit() throws IOException { final Query query = session.query("()"); assertFalse("No result was expected.", query.more()); }
/** * Binds a document node to an external variable. * * @throws IOException I/O exception */ @Test public void queryBindDoc() throws IOException { final Query query = session.query("declare variable $a external; $a//text()"); query.bind("$a", "<a>XML</a>", "document-node()"); assertEqual("XML", query.execute()); }
/** * Runs a query with an external variable declaration. * * @throws IOException I/O exception */ @Test public void queryBindSequence() throws IOException { Query query = session.query("declare variable $a external; $a"); query.bind("a", "1\u00012", "xs:integer"); assertEqual("1", query.next()); assertEqual("2", query.next()); query.close(); query = session.query("declare variable $a external; $a"); query.bind("a", "09\u0002xs:hexBinary\u00012", "xs:integer"); assertEqual("09", query.next()); assertEqual("2", query.next()); query.close(); query = session.query("declare variable $a external; $a"); query.bind("a", Seq.get(new Item[] {Int.get(1), Str.get("X")}, 2)); assertEqual("1", query.next()); assertEqual("X", query.next()); query.close(); query = session.query("declare variable $a external; $a"); query.bind("a", IntSeq.get(new long[] {1, 2}, AtomType.INT)); assertEqual("1", query.next()); assertEqual("2", query.next()); query.close(); query = session.query("declare variable $a external; $a"); query.bind("a", IntSeq.get(new long[] {1, 2}, AtomType.INT), "xs:integer"); assertEqual("1", query.next()); assertEqual("2", query.next()); query.close(); }
/** * Runs a query and retrieves the result as string. * * @throws IOException I/O exception */ @Test public void query2() throws IOException { final Query query = session.query("1"); if (!query.more()) fail("No result returned"); assertEqual("1", query.next()); }
/** * Runs a query and retrieves XML entities as string. * * @throws IOException I/O exception */ @Test public void queryEntities() throws IOException { final Query query = session.query("'&<>'"'"); assertEqual("&<>'\"", query.next()); }
/** * Runs a query and retrieves the result as string. * * @throws IOException I/O exception */ @Test public void query() throws IOException { final Query query = session.query("1"); assertEqual("1", query.execute()); }