public void TestDatatypeComputer_DateTime_DodgyFormats(string input, Type expectedOutput)
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(input);
Assert.AreEqual(expectedOutput, t.CurrentEstimate);
}
public void TestDatatypeComputer_ValidDateStrings(string wierdDateString)
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(wierdDateString);
Assert.AreEqual(typeof(DateTime), t.CurrentEstimate);
}
public void TestDatatypeComputer_RandomCrud(string randomCrud)
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(randomCrud);
Assert.AreEqual(typeof(string), t.CurrentEstimate);
}
public void TestDatatypeComputer_Bool(bool sendStringEquiv)
{
DataTypeComputer t = new DataTypeComputer();
if (sendStringEquiv)
{
t.AdjustToCompensateForValue("True");
}
else
{
t.AdjustToCompensateForValue(true);
}
if (sendStringEquiv)
{
t.AdjustToCompensateForValue("False");
}
else
{
t.AdjustToCompensateForValue(false);
}
Assert.AreEqual(typeof(bool), t.CurrentEstimate);
t.AdjustToCompensateForValue(null);
Assert.AreEqual(typeof(bool), t.CurrentEstimate);
Assert.AreEqual(null, t.DecimalSize.NumbersAfterDecimalPlace);
Assert.AreEqual(null, t.DecimalSize.NumbersBeforeDecimalPlace);
}
private void StronglyTypeWorkingTable()
{
DataTable dtCloned = _workingTable.Clone();
bool typeChangeNeeded = false;
foreach (DataColumn col in _workingTable.Columns)
{
//if we have already handled it
if (ExplicitlyTypedColumns != null && ExplicitlyTypedColumns.ExplicitTypesCSharp.ContainsKey(col.ColumnName))
{
continue;
}
//let's make a decision about the data type to use based on the contents
var computedType = new DataTypeComputer(col);
//Type based on the contents of the column
if (computedType.ShouldDowngradeColumnTypeToMatchCurrentEstimate(col))
{
dtCloned.Columns[col.ColumnName].DataType = computedType.CurrentEstimate;
typeChangeNeeded = true;
}
}
if (typeChangeNeeded)
{
foreach (DataRow row in _workingTable.Rows)
{
dtCloned.ImportRow(row);
}
_workingTable = dtCloned;
}
}
public void TestDatatypeComputer_PreeceedingZeroes(string input, int expectedLength)
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(input);
Assert.AreEqual(typeof(string), t.CurrentEstimate);
Assert.AreEqual(expectedLength, t.Length);
}
public void TestDatatypeComputer_IntToDateTime()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("2013");
t.AdjustToCompensateForValue("01/01/2001");
Assert.AreEqual(typeof(string), t.CurrentEstimate);
}
public void TestDatatypeComputer_Whitespace(string input, Type expectedType)
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(input);
Assert.AreEqual(expectedType, t.CurrentEstimate);
Assert.AreEqual(input.Length, t.Length);
}
public void TestDatatypeComputer_MixedIntTypes()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue((Int16)5);
var ex = Assert.Throws <DataTypeComputerException>(() => t.AdjustToCompensateForValue((Int32)1000));
Assert.IsTrue(ex.Message.Contains("We were adjusting to compensate for object 1000 which is of Type System.Int32 , we were previously passed a System.Int16 type, is your column of mixed type? this is unacceptable"));
}
public void TestDatatypeComputer_Midnight()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("00:00");
Assert.AreEqual(typeof(TimeSpan), t.CurrentEstimate);
Assert.AreEqual("time", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_TimeObject()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(new TimeSpan(10, 1, 1));
Assert.AreEqual(typeof(TimeSpan), t.CurrentEstimate);
Assert.AreEqual("time", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_DateTime_EnglishWithTimeAndAM()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(GetCultureSpecificDate() + " 11:10AM");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(t.CurrentEstimate, typeof(DateTime));
Assert.AreEqual("datetime2", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_DateTime()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("01/01/2001");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(t.CurrentEstimate, typeof(DateTime));
Assert.AreEqual("datetime2", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_Negatives()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("-1");
t.AdjustToCompensateForValue("-99.99");
Assert.AreEqual(t.CurrentEstimate, typeof(decimal));
Assert.AreEqual("decimal(4,2)", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_FallbackOntoVarcharFromFloat()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("15.5");
t.AdjustToCompensateForValue("F");
Assert.AreEqual(typeof(string), t.CurrentEstimate);
Assert.AreEqual("varchar(4)", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_NumberOfDecimalPlaces()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("111111111.11111111111115");
Assert.AreEqual(typeof(decimal), t.CurrentEstimate);
Assert.AreEqual(9, t.DecimalSize.NumbersBeforeDecimalPlace);
Assert.AreEqual(14, t.DecimalSize.NumbersAfterDecimalPlace);
}
public void TestDatatypeComputer_MixedDateAndTime_FallbackToString()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("09:01");
Assert.AreEqual(typeof(TimeSpan), t.CurrentEstimate);
t.AdjustToCompensateForValue("2001-12-29 23:01");
Assert.AreEqual(typeof(string), t.CurrentEstimate);
Assert.AreEqual("varchar(16)", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_PreeceedingZeroesAfterFloat()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("1.5");
t.AdjustToCompensateForValue("00299.99");
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(string), t.CurrentEstimate);
}
public void TestDatatypeComputer_decimal()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("1.5");
t.AdjustToCompensateForValue("299.99");
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(decimal), t.CurrentEstimate);
}
public void TestDataTypeComputer_FallbackCompatible(string input1, Type expectedTypeAfterFirstInput, string input2, Type expectedTypeAfterSecondInput)
{
var t = new DataTypeComputer();
t.AdjustToCompensateForValue(input1);
Assert.AreEqual(expectedTypeAfterFirstInput, t.CurrentEstimate);
t.AdjustToCompensateForValue(input2);
Assert.AreEqual(expectedTypeAfterSecondInput, t.CurrentEstimate);
}
public void TestDatatypeComputer_Doubles()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(299.99);
Assert.AreEqual(typeof(double), t.CurrentEstimate);
Assert.AreEqual(2, t.DecimalSize.NumbersAfterDecimalPlace);
Assert.AreEqual(3, t.DecimalSize.NumbersBeforeDecimalPlace);
}
public void TestDatatypeComputer_Byte()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(new byte[5]);
Assert.AreEqual(typeof(byte[]), t.CurrentEstimate);
Assert.AreEqual(null, t.DecimalSize.NumbersAfterDecimalPlace);
Assert.AreEqual(null, t.DecimalSize.NumbersBeforeDecimalPlace);
Assert.IsTrue(t.DecimalSize.IsEmpty);
}
public void TestDatatypeComputer_HardTypeFloats()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(1.1f);
t.AdjustToCompensateForValue(100.01f);
t.AdjustToCompensateForValue(10000f);
Assert.AreEqual(typeof(float), t.CurrentEstimate);
Assert.AreEqual(2, t.DecimalSize.NumbersAfterDecimalPlace);
Assert.AreEqual(5, t.DecimalSize.NumbersBeforeDecimalPlace);
}
public void TestDatatypeComputer_MixingTypes_ThrowsException(object o1, object o2)
{
//if we pass an hard type...
//...then we don't accept strings anymore
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(o1);
var ex = Assert.Throws <DataTypeComputerException>(() => t.AdjustToCompensateForValue(o2));
Assert.IsTrue(ex.Message.Contains("mixed type"));
}
public void TestDatatypeComputer_DateTime_EnglishWithTime()
{
DataTypeComputer t = new DataTypeComputer();
Console.WriteLine(CultureInfo.CurrentCulture.EnglishName);
Console.WriteLine(CultureInfo.CurrentCulture.DateTimeFormat.MonthDayPattern);
t.AdjustToCompensateForValue(GetCultureSpecificDate() + " 11:10");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(t.CurrentEstimate, typeof(DateTime));
Assert.AreEqual("datetime2", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_IntAnddecimal_MustUsedecimalThenString()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue("15");
t.AdjustToCompensateForValue("29.9");
t.AdjustToCompensateForValue("200");
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual("decimal(4,1)", t.GetSqlDBType(_translater));
t.AdjustToCompensateForValue("D");
Assert.AreEqual("varchar(5)", t.GetSqlDBType(_translater));
}
public void TestDatatypeComputer_HardTypeInts()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(1);
t.AdjustToCompensateForValue(100);
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(10000);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(int), t.CurrentEstimate);
Assert.AreEqual(null, t.DecimalSize.NumbersAfterDecimalPlace);
Assert.AreEqual(5, t.DecimalSize.NumbersBeforeDecimalPlace);
}
public void Test_NonAscii_CharacterLength(string word)
{
var t = new DataTypeComputer();
t.AdjustToCompensateForValue(word);
//in most DBMS
Assert.AreEqual(t.Length, word.Length);
//in the world of Oracle where you need varchar2(6) to store "It’s"
t = new DataTypeComputer(0, 3);
t.AdjustToCompensateForValue(word);
Assert.AreEqual(word.Length + 3, t.Length);
}
public void TestDatatypeComputer_FallbackOntoStringLength(string legitType, Type expectedLegitType, string str, int expectedLength)
{
DataTypeComputer t = new DataTypeComputer();
//give it the legit hard typed value e.g. a date
t.AdjustToCompensateForValue(legitType);
Assert.AreEqual(expectedLegitType, t.CurrentEstimate);
//then give it a string
t.AdjustToCompensateForValue(str);
Assert.AreEqual(typeof(string), t.CurrentEstimate);
//the length should be the max of the length of the legit string and the string str
Assert.AreEqual(expectedLength, t.Length);
}
public void TestDatatypeComputer_HardTypeDoubles()
{
DataTypeComputer t = new DataTypeComputer();
t.AdjustToCompensateForValue(1.1);
t.AdjustToCompensateForValue(100.203);
t.AdjustToCompensateForValue(100.20000);
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(10000d);//<- d is required because Types must be homogenous
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(double), t.CurrentEstimate);
Assert.AreEqual(3, t.DecimalSize.NumbersAfterDecimalPlace);
Assert.AreEqual(5, t.DecimalSize.NumbersBeforeDecimalPlace);
}
