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/** @file
* @brief Test the user metadata functionality.
*/
/* Copyright (C) 2007,2009,2011 Olly Betts
* Copyright (C) 2007,2008,2009 Lemur Consulting Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include "api_metadata.h"
#include <xapian.h>
#include "apitest.h"
#include "testsuite.h"
#include "testutils.h"
#include <string>
using namespace std;
// Test metadata methods for non-writable databases.
DEFINE_TESTCASE(metadata1, metadata) {
Xapian::Database db = get_database("metadata1",
[](Xapian::WritableDatabase& wdb,
const string&)
{
wdb.set_metadata("empty", "");
wdb.set_metadata("foo", "bar");
wdb.set_metadata(string("", 1),
string("", 1));
wdb.set_metadata(string("\0fo", 3),
string("\0xx", 3));
wdb.set_metadata(string("f\0o", 3),
string("x\0x", 3));
wdb.set_metadata(string("fo\0", 3),
string("xx\0", 3));
});
TEST_EQUAL(db.get_doccount(), 0);
TEST_EQUAL(db.get_metadata("empty"), "");
TEST_EQUAL(db.get_metadata("unset"), "");
TEST_EQUAL(db.get_metadata("foo"), "bar");
// Check for transparent handling of zero bytes.
TEST_EQUAL(db.get_metadata(string("", 1)), string("", 1));
TEST_EQUAL(db.get_metadata(string("\0fo", 3)), string("\0xx", 3));
TEST_EQUAL(db.get_metadata(string("f\0o", 3)), string("x\0x", 3));
TEST_EQUAL(db.get_metadata(string("fo\0", 3)), string("xx\0", 3));
TEST_EXCEPTION(Xapian::InvalidArgumentError, db.get_metadata(""));
}
// Basic test of metadata methods.
DEFINE_TESTCASE(metadata2, metadata && writable) {
Xapian::WritableDatabase db = get_writable_database();
TEST_EQUAL(db.get_metadata("foo"), "");
db.set_metadata("foo", "bar");
TEST_EQUAL(db.get_metadata("foo"), "bar");
db.set_metadata("foo", "baz");
TEST_EQUAL(db.get_doccount(), 0);
TEST_EQUAL(db.get_metadata("foo"), "baz");
db.set_metadata("foo", "");
TEST_EQUAL(db.get_metadata("foo"), "");
TEST_EQUAL(db.get_doccount(), 0);
// Check for transparent handling of zero bytes.
db.set_metadata("foo", "value of foo");
db.set_metadata(string("foo\0bar", 7), string(1, '\0'));
db.set_metadata(string("foo\0", 4), string("foo\0bar", 7));
TEST_EQUAL(db.get_metadata("foo"), "value of foo");
TEST_EQUAL(db.get_metadata(string("foo\0bar", 7)), string(1, '\0'));
TEST_EQUAL(db.get_metadata(string("foo\0", 4)), string("foo\0bar", 7));
db.commit();
TEST_EQUAL(db.get_metadata("foo"), "value of foo");
TEST_EQUAL(db.get_metadata(string("foo\0bar", 7)), string(1, '\0'));
TEST_EQUAL(db.get_metadata(string("foo\0", 4)), string("foo\0bar", 7));
}
// Test that metadata gets applied at same time as other changes.
DEFINE_TESTCASE(metadata3, metadata && writable && !inmemory) {
// get_writable_database_as_database() not implemented for inmemory.
Xapian::WritableDatabase db = get_writable_database();
Xapian::Database dbr = get_writable_database_as_database();
TEST_EQUAL(db.get_metadata("foo"), "");
db.set_metadata("foo", "bar");
TEST_EQUAL(db.get_metadata("foo"), "bar");
TEST_EQUAL(dbr.get_metadata("foo"), "");
db.commit();
TEST_EQUAL(dbr.get_metadata("foo"), "");
TEST(dbr.reopen());
TEST_EQUAL(db.get_metadata("foo"), "bar");
TEST_EQUAL(dbr.get_metadata("foo"), "bar");
TEST_EQUAL(dbr.get_doccount(), 0);
db.add_document(Xapian::Document());
db.set_metadata("foo", "baz");
TEST_EQUAL(db.get_doccount(), 1);
TEST_EQUAL(db.get_metadata("foo"), "baz");
db.commit();
TEST_EQUAL(dbr.get_metadata("foo"), "bar");
TEST(dbr.reopen());
TEST_EQUAL(dbr.get_metadata("foo"), "baz");
db.set_metadata("foo", "");
TEST_EQUAL(db.get_metadata("foo"), "");
db.commit();
TEST_EQUAL(dbr.get_metadata("foo"), "baz");
TEST(dbr.reopen());
TEST_EQUAL(dbr.get_metadata("foo"), "");
TEST_EQUAL(db.get_doccount(), 1);
}
// Test the empty metadata keys give an error correctly.
DEFINE_TESTCASE(metadata4, metadata && writable) {
Xapian::WritableDatabase db = get_writable_database();
TEST_EXCEPTION(Xapian::InvalidArgumentError, db.get_metadata(""));
TEST_EXCEPTION(Xapian::InvalidArgumentError, db.set_metadata("", "foo"));
TEST_EXCEPTION(Xapian::InvalidArgumentError, db.get_metadata(""));
}
// Regression test for adding a piece of metadata on its own before adding
// other things.
DEFINE_TESTCASE(metadata5, metadata && writable && !inmemory) {
// get_writable_database_as_database() not implemented for inmemory.
Xapian::WritableDatabase db = get_writable_database();
db.set_metadata("foo", "foo");
db.commit();
Xapian::Document doc;
doc.add_posting("foo", 1);
db.add_document(doc);
Xapian::Database dbr(get_writable_database_as_database());
}
// Test metadata iterators.
DEFINE_TESTCASE(metadata6, writable) {
Xapian::WritableDatabase db = get_writable_database();
// Check that iterator on empty database returns nothing.
Xapian::TermIterator iter;
iter = db.metadata_keys_begin();
TEST_EQUAL(iter, db.metadata_keys_end());
// FIXME: inmemory doesn't implement metadata iterators yet, except in the
// trivial case of there being no keys to iterate.
SKIP_TEST_FOR_BACKEND("inmemory");
try {
db.set_metadata("foo", "val");
} catch (const Xapian::UnimplementedError &) {
SKIP_TEST("Metadata not supported by this backend");
}
db.commit();
// Check iterator on a database with only metadata items.
iter = db.metadata_keys_begin();
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo");
++iter;
TEST(iter == db.metadata_keys_end());
// Check iterator on a database with metadata items and documents.
Xapian::Document doc;
doc.add_posting("foo", 1);
db.add_document(doc);
db.commit();
iter = db.metadata_keys_begin();
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo");
++iter;
TEST(iter == db.metadata_keys_end());
// Check iterator on a database with documents but no metadata. Also
// checks that setting metadata to empty stops the iterator returning it.
db.set_metadata("foo", "");
db.commit();
iter = db.metadata_keys_begin();
TEST(iter == db.metadata_keys_end());
// Check use of a prefix, and skip_to.
db.set_metadata("a", "val");
db.set_metadata("foo", "val");
db.set_metadata("foo1", "val");
db.set_metadata("foo2", "val");
db.set_metadata("z", "val");
db.commit();
iter = db.metadata_keys_begin();
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "a");
++iter;
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo");
++iter;
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo1");
++iter;
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo2");
++iter;
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "z");
++iter;
TEST(iter == db.metadata_keys_end());
iter = db.metadata_keys_begin("foo");
TEST(iter != db.metadata_keys_end("foo"));
TEST_EQUAL(*iter, "foo");
++iter;
TEST(iter != db.metadata_keys_end("foo"));
TEST_EQUAL(*iter, "foo1");
++iter;
TEST(iter != db.metadata_keys_end("foo"));
TEST_EQUAL(*iter, "foo2");
++iter;
TEST(iter == db.metadata_keys_end("foo"));
iter = db.metadata_keys_begin("foo1");
TEST(iter != db.metadata_keys_end("foo1"));
TEST_EQUAL(*iter, "foo1");
++iter;
TEST(iter == db.metadata_keys_end("foo1"));
iter = db.metadata_keys_begin();
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "a");
// Skip to "" should move to the first key.
iter.skip_to("");
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "a");
// This skip_to should skip the "foo" key.
iter.skip_to("foo1");
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo1");
// Check that skipping to the current key works.
iter.skip_to("foo1");
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo1");
// Check that skip_to a key before the current one doesn't move forwards.
iter.skip_to("a");
TEST(iter != db.metadata_keys_end());
TEST_REL(*iter, <=, "foo1");
// Make sure we're back on foo1.
iter.skip_to("foo1");
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo1");
// Check that advancing after a skip_to() works correctly.
++iter;
TEST(iter != db.metadata_keys_end());
TEST_EQUAL(*iter, "foo2");
// Check that skipping to a key after the last key works.
iter.skip_to("zoo");
TEST(iter == db.metadata_keys_end());
}
/// Regression test of reading after writing but not committing.
DEFINE_TESTCASE(writeread1, metadata && writable) {
Xapian::WritableDatabase db_w = get_writable_database();
db_w.set_metadata("1", "2");
string longitem(20000, 'j');
db_w.set_metadata("2", longitem);
string readitem = db_w.get_metadata("2");
TEST_EQUAL(readitem, longitem);
}
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