gecko-dev/storage/test/test_transaction_helper.cpp

176 строки
4.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "storage_test_harness.h"
#include "mozStorageHelper.h"
#include "mozStorageConnection.h"
using namespace mozilla;
using namespace mozilla::storage;
bool has_transaction(mozIStorageConnection* aDB) {
return !(static_cast<Connection *>(aDB)->getAutocommit());
}
/**
* This file test our Transaction helper in mozStorageHelper.h.
*/
void
test_Commit()
{
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// Create a table in a transaction, call Commit, and make sure that it does
// exists after the transaction falls out of scope.
{
mozStorageTransaction transaction(db, false);
do_check_true(has_transaction(db));
(void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"CREATE TABLE test (id INTEGER PRIMARY KEY)"
));
(void)transaction.Commit();
}
do_check_false(has_transaction(db));
bool exists = false;
(void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
do_check_true(exists);
}
void
test_Rollback()
{
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// Create a table in a transaction, call Rollback, and make sure that it does
// not exists after the transaction falls out of scope.
{
mozStorageTransaction transaction(db, true);
do_check_true(has_transaction(db));
(void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"CREATE TABLE test (id INTEGER PRIMARY KEY)"
));
(void)transaction.Rollback();
}
do_check_false(has_transaction(db));
bool exists = true;
(void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
do_check_false(exists);
}
void
test_AutoCommit()
{
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// Create a table in a transaction, and make sure that it exists after the
// transaction falls out of scope. This means the Commit was successful.
{
mozStorageTransaction transaction(db, true);
do_check_true(has_transaction(db));
(void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"CREATE TABLE test (id INTEGER PRIMARY KEY)"
));
}
do_check_false(has_transaction(db));
bool exists = false;
(void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
do_check_true(exists);
}
void
test_AutoRollback()
{
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// Create a table in a transaction, and make sure that it does not exists
// after the transaction falls out of scope. This means the Rollback was
// successful.
{
mozStorageTransaction transaction(db, false);
do_check_true(has_transaction(db));
(void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"CREATE TABLE test (id INTEGER PRIMARY KEY)"
));
}
do_check_false(has_transaction(db));
bool exists = true;
(void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
do_check_false(exists);
}
void
test_null_database_connection()
{
// We permit the use of the Transaction helper when passing a null database
// in, so we need to make sure this still works without crashing.
mozStorageTransaction transaction(nullptr, false);
do_check_true(NS_SUCCEEDED(transaction.Commit()));
do_check_true(NS_SUCCEEDED(transaction.Rollback()));
}
void
test_async_Commit()
{
// note this will be active for any following test.
hook_sqlite_mutex();
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// -- wedge the thread
nsCOMPtr<nsIThread> target(get_conn_async_thread(db));
do_check_true(target);
RefPtr<ThreadWedger> wedger (new ThreadWedger(target));
{
mozStorageTransaction transaction(db, false,
mozIStorageConnection::TRANSACTION_DEFERRED,
true);
do_check_true(has_transaction(db));
(void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
"CREATE TABLE test (id INTEGER PRIMARY KEY)"
));
(void)transaction.Commit();
}
do_check_true(has_transaction(db));
// -- unwedge the async thread
wedger->unwedge();
// Ensure the transaction has done its job by enqueueing an async execution.
nsCOMPtr<mozIStorageAsyncStatement> stmt;
(void)db->CreateAsyncStatement(NS_LITERAL_CSTRING(
"SELECT NULL"
), getter_AddRefs(stmt));
blocking_async_execute(stmt);
stmt->Finalize();
do_check_false(has_transaction(db));
bool exists = false;
(void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
do_check_true(exists);
blocking_async_close(db);
}
void (*gTests[])(void) = {
test_Commit,
test_Rollback,
test_AutoCommit,
test_AutoRollback,
test_null_database_connection,
test_async_Commit,
};
const char *file = __FILE__;
#define TEST_NAME "transaction helper"
#define TEST_FILE file
#include "storage_test_harness_tail.h"