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#include "parser/keywords.h"
#include "parser/lexer.h"
#include "tablemodifier.h"
#include "parser/parser.h"
#include "db/db.h"
#include "dbsqlite3mock.h"
#include "mocks.h"
#include <QString>
#include <QtTest>
#include <QDebug>
class TableModifierTest : public QObject
{
Q_OBJECT
public:
TableModifierTest();
private:
void verifyRe(const QString& re, const QString& sql, Qt::CaseSensitivity cs = Qt::CaseSensitive);
Db* db = nullptr;
static const constexpr char* mainTableDdl = "CREATE TABLE test (id int, val text, val2 text);";
SqliteCreateTablePtr createTable;
private Q_SLOTS:
void initTestCase();
void init();
void cleanup();
void testCase1();
void testCase2();
void testCase3();
void testCase4();
void testCase5();
void testCase6();
};
TableModifierTest::TableModifierTest()
{
}
void TableModifierTest::verifyRe(const QString& re, const QString& sql, Qt::CaseSensitivity cs)
{
QRegExp regExp(re, cs);
QVERIFY2(regExp.exactMatch(sql), QString("Failed RegExp validation:\n%1\nfor SQL:\n%2").arg(re).arg(sql).toLatin1().data());
}
void TableModifierTest::testCase1()
{
db->exec("CREATE TABLE abc (id int, xyz text REFERENCES test (val));");
TableModifier mod(db, "test");
createTable->table = "test2";
mod.alterTable(createTable);
QStringList sqls = mod.generateSqls();
/*
* 1. Create new (with new name)
* 2. Copy data to new
* 3. Drop old table.
* 4. Rename referencing table to temp name.
* 5. Create new referencing table.
* 6. Copy data to new referencing table.
* 7. Drop temp table.
*/
QVERIFY(sqls.size() == 7);
int i = 0;
verifyRe("CREATE TABLE test2 .*", sqls[i++]);
verifyRe("INSERT INTO test2.*SELECT.*FROM test;", sqls[i++]);
verifyRe("DROP TABLE test;", sqls[i++]);
verifyRe("ALTER TABLE abc RENAME TO sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("CREATE TABLE abc .*", sqls[i++]);
verifyRe("INSERT INTO abc.*SELECT.*FROM sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("DROP TABLE sqlitestudio_temp_table.*", sqls[i++]);
}
void TableModifierTest::testCase2()
{
db->exec("CREATE TABLE abc (id int, xyz text REFERENCES test (val));");
TableModifier mod(db, "test");
createTable->columns[1]->name = "newCol";
mod.alterTable(createTable);
QStringList sqls = mod.generateSqls();
/*
* 1. Rename to temp.
* 2. Create new.
* 3. Copy data from temp to new one.
* 4. Drop temp table.
* 5. Rename referencing table to temp name.
* 6. Create new referencing table.
* 7. Copy data to new referencing table.
* 8. Drop temp table.
*/
QVERIFY(sqls.size() == 8);
int i = 0;
verifyRe("ALTER TABLE test RENAME TO sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("CREATE TABLE test .*newCol.*", sqls[i++]);
verifyRe("INSERT INTO test.*SELECT.*FROM sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("DROP TABLE sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("ALTER TABLE abc RENAME TO sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("CREATE TABLE abc .*xyz text REFERENCES test \\(newCol\\).*", sqls[i++]);
verifyRe("INSERT INTO abc.*SELECT.*FROM sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("DROP TABLE sqlitestudio_temp_table.*", sqls[i++]);
}
void TableModifierTest::testCase3()
{
db->exec("CREATE TABLE abc (id int, xyz text REFERENCES test (val));");
db->exec("CREATE INDEX i1 ON test (val);");
db->exec("CREATE INDEX i2 ON abc (id);");
TableModifier mod(db, "test");
createTable->table = "newTable";
createTable->columns[1]->name = "newCol";
mod.alterTable(createTable);
QStringList sqls = mod.generateSqls();
/*
* 1. Create new (with new name)
* 2. Copy data to new
* 3. Drop old table.
* 4. Rename referencing table to temp name.
* 5. Create new referencing table.
* 6. Copy data to new referencing table.
* 7. Drop temp table.
* 8. Re-create index i2.
* 9. Re-create index i1 with new table name and column name.
*/
QVERIFY(sqls.size() == 9);
int i = 0;
verifyRe("CREATE TABLE newTable .*", sqls[i++]);
verifyRe("INSERT INTO newTable.*SELECT.*FROM test;", sqls[i++]);
verifyRe("DROP TABLE test;", sqls[i++]);
verifyRe("ALTER TABLE abc RENAME TO sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("CREATE TABLE abc .*xyz text REFERENCES newTable \\(newCol\\).*", sqls[i++]);
verifyRe("INSERT INTO abc.*SELECT.*FROM sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("DROP TABLE sqlitestudio_temp_table.*", sqls[i++]);
verifyRe("CREATE INDEX i2 ON abc \\(id\\);", sqls[i++]);
verifyRe("CREATE INDEX i1 ON newTable \\(newCol\\);", sqls[i++]);
}
void TableModifierTest::testCase4()
{
db->exec("CREATE TRIGGER t1 AFTER UPDATE OF Val ON Test BEGIN "
"SELECT * FROM (SELECT Val FROM Test); "
"UPDATE Test SET Val = (SELECT Val FROM Test) WHERE x = (SELECT Val FROM Test); "
"INSERT INTO Test (val) VALUES (1); "
"END;");
TableModifier mod(db, "test");
createTable->table = "newTable";
createTable->columns[1]->name = "newCol";
mod.alterTable(createTable);
QStringList sqls = mod.generateSqls();
/*
* 1. Create new (with new name)
* 2. Copy data to new
* 3. Drop old table.
* 4. Recreate trigger with all subqueries updated.
*/
QVERIFY(sqls.size() == 4);
int i = 0;
verifyRe("CREATE TABLE newTable .*", sqls[i++]);
verifyRe("INSERT INTO newTable.*SELECT.*FROM test;", sqls[i++]);
verifyRe("DROP TABLE test;", sqls[i++]);
QVERIFY2("CREATE TRIGGER t1 AFTER UPDATE OF newCol ON newTable "
"BEGIN "
"SELECT * FROM (SELECT newCol FROM newTable); "
"UPDATE newTable SET newCol = (SELECT newCol FROM newTable) WHERE x = (SELECT newCol FROM newTable); "
"INSERT INTO newTable (newCol) VALUES (1); "
"END;" == sqls[i++], "Trigger DDL incorrect.");
}
void TableModifierTest::testCase5()
{
db->exec("CREATE VIEW v1 AS SELECT * FROM (SELECT Val FROM Test);");
db->exec("CREATE TRIGGER t1 INSTEAD OF INSERT ON v1 BEGIN SELECT 1; END;");
db->exec("CREATE TRIGGER t2 AFTER INSERT ON v1 BEGIN SELECT 1; END;");
db->exec("CREATE TRIGGER t3 INSTEAD OF INSERT ON test BEGIN SELECT 1; END;");
TableModifier mod(db, "test");
createTable->table = "newTable";
createTable->columns[1]->name = "newCol";
mod.alterTable(createTable);
QStringList sqls = mod.generateSqls();
/*
* 1. Create new (with new name)
* 2. Copy data to new
* 3. Drop old table.
* 4. Drop old view.
* 5. Recreate view with new column and table.
* 6. Recreate trigger with all subqueries updated.
*/
QVERIFY(sqls.size() == 6);
int i = 0;
verifyRe("CREATE TABLE newTable .*", sqls[i++]);
verifyRe("INSERT INTO newTable.*SELECT.*FROM test;", sqls[i++]);
verifyRe("DROP TABLE test;", sqls[i++]);
verifyRe("DROP VIEW v1;", sqls[i++]);
verifyRe("CREATE VIEW v1 AS SELECT \\* FROM \\(SELECT newCol FROM newTable\\);", sqls[i++]);
verifyRe("CREATE TRIGGER t1 INSTEAD OF INSERT ON v1 BEGIN SELECT 1; END;", sqls[i++]);
}
void TableModifierTest::testCase6()
{
db->exec("CREATE VIEW v1 AS SELECT * FROM (SELECT Id, Val FROM Test);");
db->exec("CREATE TRIGGER t2 AFTER UPDATE OF Id, Val ON Test BEGIN SELECT Val, Val2 FROM Test; END;");
TableModifier mod(db, "test");
createTable->table = "newTable";
createTable->columns.removeAt(1);
mod.alterTable(createTable);
QStringList sqls = mod.generateSqls();
/*
* 1. Create new (with new name)
* 2. Copy data to new
* 3. Drop old table.
* 4. Recreate trigger with all subqueries updated.
*/
QVERIFY(sqls.size() == 6);
int i = 0;
verifyRe("CREATE TABLE newTable \\(id int, val2 text\\);", sqls[i++]);
verifyRe("INSERT INTO newTable \\(id, val2\\) SELECT id, val2 FROM test;", sqls[i++]);
verifyRe("DROP TABLE test;", sqls[i++]);
verifyRe("CREATE TRIGGER t2 AFTER UPDATE OF Id ON newTable BEGIN SELECT NULL, Val2 FROM newTable; END;", sqls[i++]);
verifyRe("DROP VIEW v1;", sqls[i++]);
verifyRe("CREATE VIEW v1 AS SELECT \\* FROM \\(SELECT Id, NULL FROM newTable\\);", sqls[i++]);
}
void TableModifierTest::initTestCase()
{
initKeywords();
Lexer::staticInit();
}
void TableModifierTest::init()
{
initMocks();
db = new DbSqlite3Mock("testdb");
db->open();
db->exec(mainTableDdl);
Parser parser(db->getDialect());
Q_ASSERT(parser.parse(mainTableDdl));
Q_ASSERT(parser.getQueries().size() > 0);
createTable = parser.getQueries().first().dynamicCast<SqliteCreateTable>();
Q_ASSERT(!createTable.isNull());
}
void TableModifierTest::cleanup()
{
db->close();
delete db;
db = nullptr;
}
QTEST_APPLESS_MAIN(TableModifierTest)
#include "tst_tablemodifiertest.moc"
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