public void Parse_CorrectTableName_Success()
{
var sql = "SELECT * FROM [HumanResources].[Department];";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.True);
}
public void Parse_WrongField_Failed()
{
var sql = "select [DepartmentID], Name, WrongField from [HumanResources].[Department];";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors[0], Is.EqualTo("Invalid column name 'WrongField'."));
}
public void Parse_DontExecuteEffectivelyQuery()
{
var sqlCount = @"SELECT COUNT(*) from [HumanResources].[Department]";
var sql = @"DELETE from [HumanResources].[Department]";
var countBefore = ExecuteCount(sqlCount);
if (countBefore == 0) //If nothing was present we cannot assert
Assert.Inconclusive();
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
if (!res.IsSuccesful)//If syntax is incorrect we cannot assert
Assert.Inconclusive();
var countAfter = ExecuteCount(sqlCount);
Assert.That(countAfter, Is.EqualTo(countBefore));
}
public void Parse_WrongSyntax_Failed()
{
var sql = "SELECTION [DepartmentID], Name, WrongField1, WrongField2 from [HumanResources].[Department];";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors[0], Is.EqualTo("Incorrect syntax near 'SELECTION'."));
}
public void Parse_WrongTableName_Failed()
{
var sql = "SELECT * FROM WrongTableName;";
var cmd = new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient()));
var qp = new QueryEngineFactory().GetParser(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors[0], Is.EqualTo("Invalid object name 'WrongTableName'."));
}
