105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/**
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* @file Transaction_test.cpp
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* @ingroup tests
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* @brief Test of a SQLite Transaction.
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*
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* Copyright (c) 2012-2019 Sebastien Rombauts (sebastien.rombauts@gmail.com)
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*
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* Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
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* or copy at http://opensource.org/licenses/MIT)
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*/
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#include <SQLiteCpp/Transaction.h>
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#include <SQLiteCpp/Database.h>
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#include <SQLiteCpp/Statement.h>
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#include <SQLiteCpp/Exception.h>
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#include <gtest/gtest.h>
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#include <cstdio>
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TEST(Transaction, commitRollback)
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{
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// Create a new database
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SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
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EXPECT_EQ(SQLite::OK, db.getErrorCode());
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{
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// Begin transaction
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SQLite::Transaction transaction(db);
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EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, value TEXT)"));
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EXPECT_EQ(SQLite::OK, db.getErrorCode());
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// Insert a first value
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EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\")"));
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EXPECT_EQ(1, db.getLastInsertRowid());
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// Commit transaction
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transaction.commit();
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// Commit again throw an exception
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EXPECT_THROW(transaction.commit(), SQLite::Exception);
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}
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// Auto rollback if no commit() before the end of scope
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{
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// Begin transaction
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SQLite::Transaction transaction(db);
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// Insert a second value (that will be rollbacked)
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EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"third\")"));
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EXPECT_EQ(2, db.getLastInsertRowid());
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// end of scope: automatic rollback
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}
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// Auto rollback of a transaction on error/exception
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try
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{
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// Begin transaction
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SQLite::Transaction transaction(db);
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// Insert a second value (that will be rollbacked)
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EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"second\")"));
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EXPECT_EQ(2, db.getLastInsertRowid());
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// Execute with an error => exception with auto-rollback
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db.exec("DesiredSyntaxError to raise an exception to rollback the transaction");
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GTEST_FATAL_FAILURE_("we should never get there");
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transaction.commit(); // We should never get there
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}
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catch (std::exception& e)
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{
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std::cout << "SQLite exception: " << e.what() << std::endl;
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// expected error, see above
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}
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// Double rollback with a manual command before the end of scope
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{
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// Begin transaction
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SQLite::Transaction transaction(db);
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// Insert a second value (that will be rollbacked)
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EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"third\")"));
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EXPECT_EQ(2, db.getLastInsertRowid());
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// Execute a manual rollback (no real use case I can think of, so no rollback() method)
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db.exec("ROLLBACK");
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// end of scope: the automatic rollback should not raise an error because it is harmless
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}
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// Check the results (expect only one row of result, as all other one have been rollbacked)
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SQLite::Statement query(db, "SELECT * FROM test");
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int nbRows = 0;
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while (query.executeStep())
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{
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nbRows++;
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EXPECT_EQ(1, query.getColumn(0).getInt());
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EXPECT_STREQ("first", query.getColumn(1).getText());
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}
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EXPECT_EQ(1, nbRows);
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}
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