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** Copyright (C) 2017 The Qt Company Ltd.
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** This file is part of Qt Creator.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
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#include "googletest.h"

#include <sqlitetransaction.h>
#include <mocksqlitedatabase.h>

namespace {

using DeferredTransaction = Sqlite::DeferredTransaction<MockSqliteDatabase>;
using ImmediateTransaction = Sqlite::ImmediateTransaction<MockSqliteDatabase>;
using ExclusiveTransaction = Sqlite::ExclusiveTransaction<MockSqliteDatabase>;

class SqliteTransaction : public testing::Test
{
protected:
    MockMutex mockMutex;
    MockSqliteDatabase mockDatabase{mockMutex};
};

TEST_F(SqliteTransaction, DeferredTransactionCommit)
{
    EXPECT_CALL(mockDatabase, databaseMutex());
    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN")));
    EXPECT_CALL(mockDatabase, execute(Eq("COMMIT")));
    EXPECT_CALL(mockMutex, unlock());

    DeferredTransaction transaction{mockDatabase};
    transaction.commit();
}

TEST_F(SqliteTransaction, DeferredTransactionRollBack)
{
    EXPECT_CALL(mockDatabase, databaseMutex());
    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN")));
    EXPECT_CALL(mockDatabase, execute(Eq("ROLLBACK")));
    EXPECT_CALL(mockMutex, unlock());

    DeferredTransaction transaction{mockDatabase};
}

TEST_F(SqliteTransaction, ImmediateTransactionCommit)
{
    EXPECT_CALL(mockDatabase, databaseMutex());
    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN IMMEDIATE")));
    EXPECT_CALL(mockDatabase, execute(Eq("COMMIT")));
    EXPECT_CALL(mockMutex, unlock());

    ImmediateTransaction transaction{mockDatabase};
    transaction.commit();
}

TEST_F(SqliteTransaction, ImmediateTransactionRollBack)
{
    EXPECT_CALL(mockDatabase, databaseMutex());
    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN IMMEDIATE")));
    EXPECT_CALL(mockDatabase, execute(Eq("ROLLBACK")));
    EXPECT_CALL(mockMutex, unlock());

    ImmediateTransaction transaction{mockDatabase};
}

TEST_F(SqliteTransaction, ExclusiveTransactionCommit)
{
    EXPECT_CALL(mockDatabase, databaseMutex());
    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN EXCLUSIVE")));
    EXPECT_CALL(mockDatabase, execute(Eq("COMMIT")));
    EXPECT_CALL(mockMutex, unlock());

    ExclusiveTransaction transaction{mockDatabase};
    transaction.commit();
}

TEST_F(SqliteTransaction, ExclusiveTransactionRollBack)
{
    EXPECT_CALL(mockDatabase, databaseMutex());
    EXPECT_CALL(mockMutex, lock());
    EXPECT_CALL(mockDatabase, execute(Eq("BEGIN EXCLUSIVE")));
    EXPECT_CALL(mockDatabase, execute(Eq("ROLLBACK")));
    EXPECT_CALL(mockMutex, unlock());

    ExclusiveTransaction transaction{mockDatabase};
}

}