Parkmanne/thirdparty/SQLiteCpp/tests/Statement_test.cpp
2019-06-26 13:11:16 -03:00

865 lines
32 KiB
C++

/**
* @file Statement_test.cpp
* @ingroup tests
* @brief Test of a SQLiteCpp Statement.
*
* Copyright (c) 2012-2019 Sebastien Rombauts (sebastien.rombauts@gmail.com)
*
* Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
* or copy at http://opensource.org/licenses/MIT)
*/
#include <SQLiteCpp/Database.h>
#include <SQLiteCpp/Statement.h>
#include <sqlite3.h> // for SQLITE_DONE
#include <gtest/gtest.h>
#include <cstdio>
#include <stdint.h>
#include <climits> // For INT_MAX
TEST(Statement, invalid)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
// Compile a SQL query, but without any table in the database
EXPECT_THROW(SQLite::Statement query(db, "SELECT * FROM test"), SQLite::Exception);
EXPECT_EQ(SQLITE_ERROR, db.getErrorCode());
EXPECT_EQ(SQLITE_ERROR, db.getExtendedErrorCode());
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, value TEXT)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
// Compile a SQL query with no parameter
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(2, query.getColumnCount ());
EXPECT_FALSE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(SQLite::OK, query.getErrorCode());
EXPECT_EQ(SQLite::OK, query.getExtendedErrorCode());
EXPECT_THROW(query.isColumnNull(-1), SQLite::Exception);
EXPECT_THROW(query.isColumnNull(0), SQLite::Exception);
EXPECT_THROW(query.isColumnNull(1), SQLite::Exception);
EXPECT_THROW(query.isColumnNull(2), SQLite::Exception);
EXPECT_THROW(query.getColumn(-1), SQLite::Exception);
EXPECT_THROW(query.getColumn(0), SQLite::Exception);
EXPECT_THROW(query.getColumn(1), SQLite::Exception);
EXPECT_THROW(query.getColumn(2), SQLite::Exception);
query.reset();
EXPECT_FALSE(query.hasRow());
EXPECT_FALSE(query.isDone());
query.executeStep();
EXPECT_FALSE(query.hasRow());
EXPECT_TRUE( query.isDone());
query.reset();
EXPECT_FALSE(query.hasRow());
EXPECT_FALSE(query.isDone());
query.reset();
EXPECT_THROW(query.bind(-1, 123), SQLite::Exception);
EXPECT_THROW(query.bind(0, 123), SQLite::Exception);
EXPECT_THROW(query.bind(1, 123), SQLite::Exception);
EXPECT_THROW(query.bind(2, 123), SQLite::Exception);
EXPECT_THROW(query.bind(0, "abc"), SQLite::Exception);
EXPECT_THROW(query.bind(0), SQLite::Exception);
EXPECT_EQ(SQLITE_RANGE, db.getErrorCode());
EXPECT_EQ(SQLITE_RANGE, db.getExtendedErrorCode());
EXPECT_STREQ("column index out of range", db.getErrorMsg());
EXPECT_EQ(SQLITE_RANGE, query.getErrorCode());
EXPECT_EQ(SQLITE_RANGE, query.getExtendedErrorCode());
EXPECT_STREQ("column index out of range", query.getErrorMsg());
query.exec(); // exec() instead of executeStep() as there is no result
EXPECT_THROW(query.isColumnNull(0), SQLite::Exception);
EXPECT_THROW(query.getColumn(0), SQLite::Exception);
EXPECT_THROW(query.exec(), SQLite::Exception); // exec() shall throw as it needs to be reseted
// Add a first row
EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\")"));
EXPECT_EQ(1, db.getLastInsertRowid());
EXPECT_EQ(1, db.getTotalChanges());
query.reset();
EXPECT_FALSE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.exec(), SQLite::Exception); // exec() shall throw as it does not expect a result
}
#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1600)
SQLite::Statement StatementBuilder(SQLite::Database& aDb, const char* apQuery)
{
return SQLite::Statement(aDb, apQuery);
}
TEST(Statement, moveConstructor)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, value TEXT)"));
EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\")"));
EXPECT_EQ(1, db.getLastInsertRowid());
SQLite::Statement query = StatementBuilder(db, "SELECT * FROM test");
EXPECT_FALSE(query.getQuery().empty());
EXPECT_FALSE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(2, query.getColumnCount());
SQLite::Statement moved = std::move(query);
EXPECT_TRUE(query.getQuery().empty());
EXPECT_EQ(0, query.getColumnCount());
EXPECT_FALSE(moved.getQuery().empty());
EXPECT_EQ(2, moved.getColumnCount());
// Execute
moved.executeStep();
EXPECT_TRUE(moved.hasRow());
EXPECT_FALSE(moved.isDone());
EXPECT_FALSE(query.hasRow());
EXPECT_FALSE(query.isDone());
}
#endif
TEST(Statement, executeStep)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a first row
EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\", 123, 0.123)"));
EXPECT_EQ(1, db.getLastInsertRowid());
// Compile a SQL query
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
// Get the first row
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
const int64_t id = query.getColumn(0);
const std::string msg = query.getColumn(1);
const int integer = query.getColumn(2);
const long integer2= query.getColumn(2);
const double real = query.getColumn(3);
EXPECT_EQ(1, id);
EXPECT_EQ("first", msg);
EXPECT_EQ(123, integer);
EXPECT_EQ(123, integer2);
EXPECT_EQ(0.123, real);
// Step one more time to discover there is nothing more
query.executeStep();
EXPECT_FALSE(query.hasRow());
EXPECT_TRUE (query.isDone()); // "done" is "the end"
// Step after "the end" throw an exception
EXPECT_THROW(query.executeStep(), SQLite::Exception);
// Try to insert a new row with the same PRIMARY KEY: "UNIQUE constraint failed: test.id"
SQLite::Statement insert(db, "INSERT INTO test VALUES (1, \"impossible\", 456, 0.456)");
EXPECT_THROW(insert.executeStep(), SQLite::Exception);
// in this case, reset() do throw again the same error
EXPECT_THROW(insert.reset(), SQLite::Exception);
// Try again to insert a new row with the same PRIMARY KEY (with an alternative method): "UNIQUE constraint failed: test.id"
SQLite::Statement insert2(db, "INSERT INTO test VALUES (1, \"impossible\", 456, 0.456)");
EXPECT_THROW(insert2.exec(), SQLite::Exception);
}
TEST(Statement, tryExecuteStep)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a first row
EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\", 123, 0.123)"));
EXPECT_EQ(1, db.getLastInsertRowid());
// Compile a SQL query
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
// Get the first row
EXPECT_EQ(query.tryExecuteStep(), SQLITE_ROW);
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
const int64_t id = query.getColumn(0);
const std::string msg = query.getColumn(1);
const int integer = query.getColumn(2);
const long integer2= query.getColumn(2);
const double real = query.getColumn(3);
EXPECT_EQ(1, id);
EXPECT_EQ("first", msg);
EXPECT_EQ(123, integer);
EXPECT_EQ(123, integer2);
EXPECT_EQ(0.123, real);
// Step one more time to discover there is nothing more
EXPECT_EQ(query.tryExecuteStep(), SQLITE_DONE);
EXPECT_FALSE(query.hasRow());
EXPECT_TRUE (query.isDone()); // "done" is "the end"
// Try to insert a new row with the same PRIMARY KEY: "UNIQUE constraint failed: test.id"
SQLite::Statement insert(db, "INSERT INTO test VALUES (1, \"impossible\", 456, 0.456)");
EXPECT_EQ(insert.tryExecuteStep(), SQLITE_CONSTRAINT);
// in this case, reset() do throw again the same error
EXPECT_EQ(insert.tryReset(), SQLITE_CONSTRAINT);
}
TEST(Statement, bindings)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Insertion with bindable parameters
SQLite::Statement insert(db, "INSERT INTO test VALUES (NULL, ?, ?, ?)");
// Compile a SQL query to check the results
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
// First row with text/int/double
{
const char* text = "first";
const int integer = -123;
const double dbl = 0.123;
insert.bind(1, text);
insert.bind(2, integer);
insert.bind(3, dbl);
EXPECT_EQ(insert.getExpandedSQL(), "INSERT INTO test VALUES (NULL, 'first', -123, 0.123)");
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ (1, query.getColumn(0).getInt64());
EXPECT_STREQ("first", query.getColumn(1).getText());
EXPECT_EQ (-123, query.getColumn(2).getInt());
EXPECT_EQ (0.123, query.getColumn(3).getDouble());
}
// reset() without clearbindings()
insert.reset();
// Second row with the same exact values because clearbindings() was not called
{
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ (2, query.getColumn(0).getInt64());
EXPECT_STREQ("first", query.getColumn(1).getText());
EXPECT_EQ (-123, query.getColumn(2).getInt());
EXPECT_EQ (0.123, query.getColumn(3).getDouble());
}
// reset() with clearbindings() and no more bindings
insert.reset();
insert.clearBindings();
// Third row with the all null values because clearbindings() was called
{
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the resultw
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ (3, query.getColumn(0).getInt64());
EXPECT_TRUE (query.isColumnNull(1));
EXPECT_STREQ("", query.getColumn(1).getText());
EXPECT_TRUE (query.isColumnNull(2));
EXPECT_EQ (0, query.getColumn(2).getInt());
EXPECT_TRUE (query.isColumnNull(3));
EXPECT_EQ (0.0, query.getColumn(3).getDouble());
}
// reset() with clearbindings() and new bindings
insert.reset();
insert.clearBindings();
// Fourth row with string/int64/float
{
const std::string fourth("fourth");
const long long int64 = 12345678900000LL;
const float float32 = 0.234f;
insert.bind(1, fourth);
insert.bind(2, int64);
insert.bind(3, float32);
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(4, query.getColumn(0).getInt64());
EXPECT_EQ(fourth, query.getColumn(1).getText());
EXPECT_EQ(12345678900000LL, query.getColumn(2).getInt64());
EXPECT_EQ(0.234f, query.getColumn(3).getDouble());
}
// reset() without clearbindings()
insert.reset();
// Fifth row with binary buffer and a null parameter
{
const char buffer[] = "binary";
insert.bind(1, buffer, sizeof(buffer));
insert.bind(2);
EXPECT_EQ(1, insert.exec());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(5, query.getColumn(0).getInt64());
EXPECT_STREQ(buffer, query.getColumn(1).getText());
EXPECT_TRUE (query.isColumnNull(2));
EXPECT_EQ(0, query.getColumn(2).getInt());
EXPECT_EQ(0.234f, query.getColumn(3).getDouble());
}
// reset() without clearbindings()
insert.reset();
// Sixth row with uint32_t unsigned value and a long value (which is either a 32b int or a 64b long long)
{
const uint32_t uint32 = 4294967295U;
const long integer = -123;
insert.bind(2, uint32);
insert.bind(3, integer);
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(6, query.getColumn(0).getInt64());
EXPECT_EQ(4294967295U, query.getColumn(2).getUInt());
EXPECT_EQ(-123, query.getColumn(3).getInt());
}
// reset() without clearbindings()
insert.reset();
// Seventh row using another variant of int64 type
{
const int64_t int64 = 12345678900000LL;
insert.bind(2, int64);
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(7, query.getColumn(0).getInt64());
EXPECT_EQ(12345678900000LL, query.getColumn(2).getInt64());
}
}
TEST(Statement, bindNoCopy)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, txt1 TEXT, txt2 TEXT, binary BLOB)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Insertion with bindable parameters
SQLite::Statement insert(db, "INSERT INTO test VALUES (NULL, ?, ?, ?)");
// Compile a SQL query to check the results
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
// Insert one row with all variants of bindNoCopy()
{
const char* txt1 = "first";
const std::string txt2 = "sec\0nd";
const char blob[] = {'b','l','\0','b'};
insert.bindNoCopy(1, txt1);
insert.bindNoCopy(2, txt2);
insert.bindNoCopy(3, blob, sizeof(blob));
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(1, query.getColumn(0).getInt64());
EXPECT_STREQ(txt1, query.getColumn(1).getText());
EXPECT_EQ(0, memcmp(&txt2[0], &query.getColumn(2).getString()[0], txt2.size()));
EXPECT_EQ(0, memcmp(blob, &query.getColumn(3).getString()[0], sizeof(blob)));
}
}
TEST(Statement, bindByName)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL, long INTEGER)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Insertion with bindable parameters
SQLite::Statement insert(db, "INSERT INTO test VALUES (NULL, @msg, @int, @double, @long)");
// First row with text/int/double
insert.bind("@msg", "first");
insert.bind("@int", 123);
insert.bind("@long", -123);
insert.bind("@double", 0.123);
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Compile a SQL query to check the result
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(5, query.getColumnCount());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ (1, query.getColumn(0).getInt64());
EXPECT_STREQ("first", query.getColumn(1).getText());
EXPECT_EQ (123, query.getColumn(2).getInt());
EXPECT_EQ (0.123, query.getColumn(3).getDouble());
EXPECT_EQ (-123, query.getColumn(4).getInt());
// reset() with clearbindings() and new bindings
insert.reset();
insert.clearBindings();
// Second row with string/int64/float
{
const std::string second("second");
const long long int64 = 12345678900000LL;
const long integer = -123;
const float float32 = 0.234f;
insert.bind("@msg", second);
insert.bind("@int", int64);
insert.bind("@double", float32);
insert.bind("@long", integer);
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(2, query.getColumn(0).getInt64());
EXPECT_EQ(second, query.getColumn(1).getText());
EXPECT_EQ(12345678900000LL, query.getColumn(2).getInt64());
EXPECT_EQ(0.234f, query.getColumn(3).getDouble());
EXPECT_EQ(-123, query.getColumn(4).getInt());
}
// reset() without clearbindings()
insert.reset();
// Third row with binary buffer and a null parameter
{
const char buffer[] = "binary";
insert.bind("@msg", buffer, sizeof(buffer));
insert.bind("@int");
EXPECT_EQ(1, insert.exec());
// Check the result
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(3, query.getColumn(0).getInt64());
EXPECT_STREQ(buffer, query.getColumn(1).getText());
EXPECT_TRUE (query.isColumnNull(2));
EXPECT_EQ(0, query.getColumn(2).getInt());
EXPECT_EQ(0.234f, query.getColumn(3).getDouble());
}
// reset() without clearbindings()
insert.reset();
// Fourth row with uint32_t unsigned value and int64_t 64bits value
{
const uint32_t uint32 = 4294967295U;
const int64_t int64 = 12345678900000LL;
insert.bind("@int", uint32);
insert.bind("@long", int64);
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(4, query.getColumn(0).getInt64());
EXPECT_EQ(4294967295U, query.getColumn(2).getUInt());
EXPECT_EQ(12345678900000LL, query.getColumn(4).getInt64());
}
}
TEST(Statement, bindNoCopyByName)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, txt1 TEXT, txt2 TEXT, binary BLOB)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
// Insertion with bindable parameters
SQLite::Statement insert(db, "INSERT INTO test VALUES (NULL, @txt1, @txt2, @blob)");
// Compile a SQL query to check the results
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
// Insert one row with all variants of bindNoCopy()
{
const char* txt1 = "first";
const std::string txt2 = "sec\0nd";
const char blob[] = { 'b','l','\0','b' };
insert.bindNoCopy("@txt1", txt1);
insert.bindNoCopy("@txt2", txt2);
insert.bindNoCopy("@blob", blob, sizeof(blob));
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the result
query.executeStep();
EXPECT_TRUE(query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(1, query.getColumn(0).getInt64());
EXPECT_STREQ(txt1, query.getColumn(1).getText());
EXPECT_EQ(0, memcmp(&txt2[0], &query.getColumn(2).getString()[0], txt2.size()));
EXPECT_EQ(0, memcmp(blob, &query.getColumn(3).getString()[0], sizeof(blob)));
}
}
TEST(Statement, isColumnNull)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
ASSERT_EQ(SQLite::OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (msg TEXT, int INTEGER, double REAL)"));
ASSERT_EQ(SQLite::OK, db.getErrorCode());
// Create a first row with no null values, then other rows with each time a NULL value
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (\"first\", 123, 0.123)"));
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, 123, 0.123)"));
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (\"first\", NULL, 0.123)"));
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (\"first\", 123, NULL)"));
// Compile a SQL query
const std::string select("SELECT * FROM test");
SQLite::Statement query(db, select);
EXPECT_EQ(select, query.getQuery());
EXPECT_EQ(3, query.getColumnCount());
// Get the first non-null row
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(-1), SQLite::Exception);
EXPECT_EQ(false, query.isColumnNull(0));
EXPECT_EQ(false, query.isColumnNull(1));
EXPECT_EQ(false, query.isColumnNull(2));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
// Get the second row with null text
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(-1), SQLite::Exception);
EXPECT_EQ(true, query.isColumnNull(0));
EXPECT_EQ(false, query.isColumnNull(1));
EXPECT_EQ(false, query.isColumnNull(2));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
// Get the second row with null integer
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(-1), SQLite::Exception);
EXPECT_EQ(false, query.isColumnNull(0));
EXPECT_EQ(true, query.isColumnNull(1));
EXPECT_EQ(false, query.isColumnNull(2));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
// Get the third row with null float
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(-1), SQLite::Exception);
EXPECT_EQ(false, query.isColumnNull(0));
EXPECT_EQ(false, query.isColumnNull(1));
EXPECT_EQ(true, query.isColumnNull(2));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
}
TEST(Statement, isColumnNullByName)
{
// Create a new database
SQLite::Database db(":memory:", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
ASSERT_EQ(SQLITE_OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (msg TEXT, int INTEGER, double REAL)"));
ASSERT_EQ(SQLITE_OK, db.getErrorCode());
// Create a first row with no null values, then other rows with each time a NULL value
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (\"first\", 123, 0.123)"));
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, 123, 0.123)"));
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (\"first\", NULL, 0.123)"));
ASSERT_EQ(1, db.exec("INSERT INTO test VALUES (\"first\", 123, NULL)"));
// Compile a SQL query
const std::string select("SELECT * FROM test");
SQLite::Statement query(db, select);
EXPECT_EQ(select, query.getQuery());
EXPECT_EQ(3, query.getColumnCount());
// Get the first non-null row
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(""), SQLite::Exception);
EXPECT_EQ(false, query.isColumnNull("msg"));
EXPECT_EQ(false, query.isColumnNull("int"));
EXPECT_EQ(false, query.isColumnNull("double"));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
// Get the second row with null text
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(""), SQLite::Exception);
EXPECT_EQ(true, query.isColumnNull("msg"));
EXPECT_EQ(false, query.isColumnNull(1));
EXPECT_EQ(false, query.isColumnNull("double"));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
// Get the second row with null integer
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(""), SQLite::Exception);
EXPECT_EQ(false, query.isColumnNull("msg"));
EXPECT_EQ(true, query.isColumnNull("int"));
EXPECT_EQ(false, query.isColumnNull("double"));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
// Get the third row with null float
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
EXPECT_THROW(query.isColumnNull(""), SQLite::Exception);
EXPECT_EQ(false, query.isColumnNull("msg"));
EXPECT_EQ(false, query.isColumnNull("int"));
EXPECT_EQ(true, query.isColumnNull("double"));
EXPECT_THROW(query.isColumnNull(3), SQLite::Exception);
}
TEST(Statement, getColumnByName)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
// Create a first row
EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\", 123, 0.123)"));
EXPECT_EQ(1, db.getLastInsertRowid());
EXPECT_EQ(1, db.getTotalChanges());
// Compile a SQL query
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
query.executeStep();
EXPECT_TRUE (query.hasRow());
EXPECT_FALSE(query.isDone());
// Look for non-existing columns
EXPECT_THROW(query.getColumn("unknown"), SQLite::Exception);
EXPECT_THROW(query.getColumn(""), SQLite::Exception);
const std::string msg = query.getColumn("msg");
const int integer = query.getColumn("int");
const double real = query.getColumn("double");
EXPECT_EQ("first", msg);
EXPECT_EQ(123, integer);
EXPECT_EQ(0.123, real);
}
TEST(Statement, getName)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT)"));
// Compile a SQL query, using the "id" column name as-is, but aliasing the "msg" column with new name "value"
SQLite::Statement query(db, "SELECT id, msg as value FROM test");
query.executeStep();
const std::string name0 = query.getColumnName(0);
const std::string name1 = query.getColumnName(1);
EXPECT_EQ("id", name0);
EXPECT_EQ("value", name1);
#ifdef SQLITE_ENABLE_COLUMN_METADATA
// Show how to get origin names of the table columns from which theses result columns come from.
// Requires the SQLITE_ENABLE_COLUMN_METADATA preprocessor macro to be
// also defined at compile times of the SQLite library itself.
const std::string oname0 = query.getColumnOriginName(0);
const std::string oname1 = query.getColumnOriginName(1);
EXPECT_EQ("id", oname0);
EXPECT_EQ("msg", oname1);
#endif
}
#if __cplusplus >= 201402L || (defined(_MSC_VER) && _MSC_VER >= 1900)
TEST(Statement, getColumns)
{
struct GetRowTestStruct
{
int id;
std::string msg;
int integer;
double real;
GetRowTestStruct(int _id, std::string _msg, int _integer, double _real)
: id(_id), msg(_msg), integer(_integer), real(_real)
{}
GetRowTestStruct(int _id, const std::string& _msg)
: id(_id), msg(_msg), integer(-1), real(0.0)
{}
};
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL)"));
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
// Create a first row
EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\", 123, 0.123)"));
EXPECT_EQ(1, db.getLastInsertRowid());
EXPECT_EQ(1, db.getTotalChanges());
// Compile a SQL query
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
query.executeStep();
EXPECT_TRUE(query.hasRow());
EXPECT_FALSE(query.isDone());
// Get all columns
auto testStruct = query.getColumns<GetRowTestStruct, 4>();
EXPECT_EQ(1, testStruct.id);
EXPECT_EQ("first", testStruct.msg);
EXPECT_EQ(123, testStruct.integer);
EXPECT_EQ(0.123, testStruct.real);
// Get only the first 2 columns
auto testStruct2 = query.getColumns<GetRowTestStruct, 2>();
EXPECT_EQ(1, testStruct2.id);
EXPECT_EQ("first", testStruct2.msg);
EXPECT_EQ(-1, testStruct2.integer);
EXPECT_EQ(0.0, testStruct2.real);
}
#endif
#if (LONG_MAX > INT_MAX) // sizeof(long)==8 means the data model of the system is LP64 (64bits Linux)
TEST(Statement, bind64bitsLong)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE|SQLite::OPEN_CREATE);
EXPECT_EQ(SQLite::OK, db.getErrorCode());
EXPECT_EQ(SQLite::OK, db.getExtendedErrorCode());
SQLite::Statement query(db, "SELECT ?");
query.bind(1, 4294967297L);
query.executeStep();
EXPECT_EQ(4294967297L, query.getColumn(0).getInt64());
}
#endif
TEST(Statement, getBindParameterCount)
{
// Create a new database
SQLite::Database db(":memory:", SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT)"));
SQLite::Statement query(db, "SELECT id, msg FROM test where id = ?");
EXPECT_EQ(1, query.getBindParameterCount());
SQLite::Statement query2(db, "SELECT id, msg FROM test where id = ? and msg = ?");
EXPECT_EQ(2, query2.getBindParameterCount());
SQLite::Statement query3(db, "SELECT id, msg FROM test");
EXPECT_EQ(0, query3.getBindParameterCount());
}