public void QuoteUnquote_CustomPrefixSuffix_Success()
{
RunTest((command, tableName) => {
using (var cmd = (OleDbCommand)OleDbFactory.Instance.CreateCommand())
{
cmd.Transaction = transaction;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = @"SELECT * FROM " + tableName;
cmd.Connection = (OleDbConnection)OleDbFactory.Instance.CreateConnection();
cmd.Connection.ConnectionString = connection.ConnectionString;
using (var adapter = new OleDbDataAdapter(cmd.CommandText, connection))
using (var builder = new OleDbCommandBuilder(adapter))
{
// Custom prefix & suffix
builder.QuotePrefix = "'";
builder.QuoteSuffix = "'";
Assert.Equal(adapter, builder.DataAdapter);
Assert.Equal("'Test'", builder.QuoteIdentifier("Test", connection));
Assert.Equal("'Te''st'", builder.QuoteIdentifier("Te'st", connection));
Assert.Equal("Test", builder.UnquoteIdentifier("'Test'", connection));
Assert.Equal("Te'st", builder.UnquoteIdentifier("'Te''st'", connection));
// Ensure we don't need active connection:
Assert.Equal("'Test'", builder.QuoteIdentifier("Test", null));
Assert.Equal("Test", builder.UnquoteIdentifier("'Test'", null));
builder.QuotePrefix = string.Empty;
string quoteErrMsg = $"{nameof(builder.QuoteIdentifier)} requires open connection when the quote prefix has not been set.";
string unquoteErrMsg = $"{nameof(builder.UnquoteIdentifier)} requires open connection when the quote prefix has not been set.";
Assert.Equal("`Test`", builder.QuoteIdentifier("Test", connection));
Assert.Equal("Test", builder.UnquoteIdentifier("`Test`", connection));
Assert.NotNull(adapter.SelectCommand.Connection);
Assert.Equal("`Test`", builder.QuoteIdentifier("Test"));
Assert.Equal("Test", builder.UnquoteIdentifier("`Test`"));
adapter.SelectCommand.Connection = null;
AssertExtensions.Throws <InvalidOperationException>(() => builder.QuoteIdentifier("Test"), quoteErrMsg);
AssertExtensions.Throws <InvalidOperationException>(() => builder.UnquoteIdentifier("'Test'"), unquoteErrMsg);
}
}
});
}
private static void Test_Command_QuoteIdentifier()
{
string query = "select id,name from t";
OleDbDataAdapter dataAdapter = new OleDbDataAdapter(query, conn);
OleDbCommandBuilder commandBuilder = new OleDbCommandBuilder(dataAdapter);
string sql_quote_conn = commandBuilder.QuoteIdentifier("select id,name from t", conn);
Assert.AreEqual(sql_quote_conn, "\"select id,name from t\"");
string sql_unquote_conn = commandBuilder.UnquoteIdentifier("\"select id,name from t\"", conn);
Assert.AreEqual(sql_unquote_conn, "select id,name from t");
}
