public void TestGuesser_IntThenLong()
{
Guesser t = new Guesser();
//we see an int
t.AdjustToCompensateForValue("-100");
//we guess the column contains ints
Assert.AreEqual(typeof(int), t.Guess.CSharpType);
Assert.AreEqual(4, t.Guess.Width);
Assert.AreEqual(3, t.Guess.Size.NumbersBeforeDecimalPlace);
Assert.AreEqual(0, t.Guess.Size.NumbersAfterDecimalPlace);
//we see a long
t.AdjustToCompensateForValue("9223372036854775807");
//we change our estimate to the compatible estimate of 'decimal'
Assert.AreEqual(typeof(decimal), t.Guess.CSharpType);
Assert.AreEqual(19, t.Guess.Width);
Assert.AreEqual(19, t.Guess.Size.NumbersBeforeDecimalPlace);
Assert.AreEqual(0, t.Guess.Size.NumbersAfterDecimalPlace);
//final estimate is decimal
Assert.AreEqual(typeof(decimal), t.Guess.CSharpType);
}
public void ExampleUsage()
{
var guesser = new Guesser();
guesser.AdjustToCompensateForValue("-12.211");
var guess = guesser.Guess;
Assert.AreEqual(typeof(decimal), guess.CSharpType);
Assert.AreEqual(2, guess.Size.NumbersBeforeDecimalPlace);
Assert.AreEqual(3, guess.Size.NumbersAfterDecimalPlace);
Assert.AreEqual(7, guess.Width);
guesser = new Guesser();
guesser.AdjustToCompensateForValue("1,000");
guesser.AdjustToCompensateForValue("0.001");
guess = guesser.Guess;
Assert.AreEqual(typeof(decimal), guess.CSharpType);
Assert.AreEqual(4, guess.Size.NumbersBeforeDecimalPlace);
Assert.AreEqual(3, guess.Size.NumbersAfterDecimalPlace);
Assert.AreEqual(8, guess.Width);//?
var someStrings = new [] { "13:11:59", "9AM" };
guesser = new Guesser();
guesser.AdjustToCompensateForValues(someStrings);
var parsed = someStrings.Select(guesser.Parse).ToArray();
Assert.AreEqual(new TimeSpan(13, 11, 59), parsed[0]);
Assert.AreEqual(new TimeSpan(9, 0, 0), parsed[1]);
}
public void TestGuesser_Bool(bool sendStringEquiv)
{
Guesser t = new Guesser();
if (sendStringEquiv)
{
t.AdjustToCompensateForValue("True");
}
else
{
t.AdjustToCompensateForValue(true);
}
if (sendStringEquiv)
{
t.AdjustToCompensateForValue("False");
}
else
{
t.AdjustToCompensateForValue(false);
}
Assert.AreEqual(typeof(bool), t.Guess.CSharpType);
t.AdjustToCompensateForValue(null);
Assert.AreEqual(typeof(bool), t.Guess.CSharpType);
Assert.AreEqual(0, t.Guess.Size.NumbersAfterDecimalPlace);
Assert.AreEqual(0, t.Guess.Size.NumbersBeforeDecimalPlace);
}
public void TestGuesser_IntToDateTime()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("2013");
t.AdjustToCompensateForValue("01/01/2001");
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
}
public void TestGuesser_DateTime()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("01/01/2001");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(typeof(DateTime), t.Guess.CSharpType);
}
public void TestGuesser_MixedIntTypes()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue((Int16)5);
var ex = Assert.Throws <MixedTypingException>(() => t.AdjustToCompensateForValue((Int32)1000));
StringAssert.Contains("We were adjusting to compensate for object '1000' which is of Type 'System.Int32', we were previously passed a 'System.Int16' type", ex.Message);
}
public void TestGuesser_DateTime_EnglishWithTimeAndAM()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(GetCultureSpecificDate() + " 11:10AM");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(typeof(DateTime), t.Guess.CSharpType);
}
public void TestGuesser_FallbackOntoVarcharFromFloat()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("15.5");
t.AdjustToCompensateForValue("F");
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
Assert.AreEqual("varchar(4)", t.GetSqlDBType(_translater));
}
public void TestGuesser_Negatives()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("-1");
t.AdjustToCompensateForValue("-99.99");
Assert.AreEqual(t.Guess.CSharpType, typeof(decimal));
Assert.AreEqual("decimal(4,2)", t.GetSqlDBType(_translater));
}
public void TestGuesser_DateTime()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("01/01/2001");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(t.Guess.CSharpType, typeof(DateTime));
Assert.AreEqual("datetime2", t.GetSqlDBType(_translater));
}
public void TestGuesser_DateTime_EnglishWithTimeAndAM()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(GetCultureSpecificDate() + " 11:10AM");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(t.Guess.CSharpType, typeof(DateTime));
Assert.AreEqual("datetime2", t.GetSqlDBType(_translater));
}
public void TestGuesser_FallbackOntoVarcharFromFloat()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("15.5");
t.AdjustToCompensateForValue("F");
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
Assert.AreEqual(4, t.Guess.Width);
}
public void TestGuesser_MixedDateAndTime_FallbackToString()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("09:01");
Assert.AreEqual(typeof(TimeSpan), t.Guess.CSharpType);
t.AdjustToCompensateForValue("2001-12-29 23:01");
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
Assert.AreEqual("varchar(16)", t.GetSqlDBType(_translater));
}
public void TestGuesser_FallbackCompatible(string input1, Type expectedTypeAfterFirstInput, string input2, Type expectedTypeAfterSecondInput)
{
var t = new Guesser();
t.AdjustToCompensateForValue(input1);
Assert.AreEqual(expectedTypeAfterFirstInput, t.Guess.CSharpType);
t.AdjustToCompensateForValue(input2);
Assert.AreEqual(expectedTypeAfterSecondInput, t.Guess.CSharpType);
}
public void TestGuesser_decimal()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("1.5");
t.AdjustToCompensateForValue("299.99");
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(decimal), t.Guess.CSharpType);
}
public void TestGuesser_MixedDateAndTime_FallbackToString()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("09:01");
Assert.AreEqual(typeof(TimeSpan), t.Guess.CSharpType);
t.AdjustToCompensateForValue("2001-12-29 23:01");
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
Assert.AreEqual(16, t.Guess.Width);
}
public void TestGuesser_Negatives()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("-1");
t.AdjustToCompensateForValue("-99.99");
Assert.AreEqual(typeof(decimal), t.Guess.CSharpType);
Assert.AreEqual(4, t.Guess.Size.Precision);
Assert.AreEqual(2, t.Guess.Size.Scale);
}
public void TestGuesser_PreeceedingZeroesAfterFloat()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("1.5");
t.AdjustToCompensateForValue("00299.99");
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
}
public void TestGuesser_HardTypeFloats()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(1.1f);
t.AdjustToCompensateForValue(100.01f);
t.AdjustToCompensateForValue(10000f);
Assert.AreEqual(typeof(float), t.Guess.CSharpType);
Assert.AreEqual(2, t.Guess.Size.NumbersAfterDecimalPlace);
Assert.AreEqual(5, t.Guess.Size.NumbersBeforeDecimalPlace);
}
public void TestGuesser_IntAnddecimal_MustUsedecimal()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("15");
t.AdjustToCompensateForValue("29.9");
t.AdjustToCompensateForValue("200");
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(decimal), t.Guess.CSharpType);
}
public void TestGuesser_DateTime_EnglishWithTime()
{
Guesser t = new Guesser();
Console.WriteLine(CultureInfo.CurrentCulture.EnglishName);
Console.WriteLine(CultureInfo.CurrentCulture.DateTimeFormat.MonthDayPattern);
t.AdjustToCompensateForValue(GetCultureSpecificDate() + " 11:10");
t.AdjustToCompensateForValue(null);
Assert.AreEqual(typeof(DateTime), t.Guess.CSharpType);
}
public void TestGuesser_MixingTypes_ThrowsException(object o1, object o2)
{
//if we pass an hard type...
//...then we don't accept strings anymore
Guesser t = new Guesser();
t.AdjustToCompensateForValue(o1);
var ex = Assert.Throws <MixedTypingException>(() => t.AdjustToCompensateForValue(o2));
StringAssert.Contains("mixed with untyped objects", ex.Message);
}
public void TestGuesser_HardTypeInts()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(1);
t.AdjustToCompensateForValue(100);
t.AdjustToCompensateForValue(null);
t.AdjustToCompensateForValue(10000);
t.AdjustToCompensateForValue(DBNull.Value);
Assert.AreEqual(typeof(int), t.Guess.CSharpType);
Assert.AreEqual(0, t.Guess.Size.NumbersAfterDecimalPlace);
Assert.AreEqual(5, t.Guess.Size.NumbersBeforeDecimalPlace);
}
public void TestGuesser_FallbackOntoStringLength(string legitType, Type expectedLegitType, string str, int expectedLength)
{
Guesser t = new Guesser();
//give it the legit hard typed value e.g. a date
t.AdjustToCompensateForValue(legitType);
Assert.AreEqual(expectedLegitType, t.Guess.CSharpType);
//then give it a string
t.AdjustToCompensateForValue(str);
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
//the length should be the max of the length of the legit string and the string str
Assert.AreEqual(expectedLength, t.Guess.Width);
}
public void TestGuesser_Int16s()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue((Int16)5);
t.AdjustToCompensateForValue((Int16)10);
t.AdjustToCompensateForValue((Int16)15);
t.AdjustToCompensateForValue((Int16)30);
t.AdjustToCompensateForValue((Int16)200);
Assert.AreEqual(typeof(Int16), t.Guess.CSharpType);
Assert.AreEqual(3, t.Guess.Size.NumbersBeforeDecimalPlace);
Assert.AreEqual(0, t.Guess.Size.NumbersAfterDecimalPlace);
}
public void TestGuesser_RandomCrud(string randomCrud)
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(randomCrud);
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
}
public void TestGuesser_ValidDateStrings(string wierdDateString)
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(wierdDateString);
Assert.AreEqual(typeof(DateTime), t.Guess.CSharpType);
}
public void TestGuesser_IntFloatString()
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue("-1000");
Assert.AreEqual(typeof(int), t.Guess.CSharpType);
t.AdjustToCompensateForValue("1.1");
Assert.AreEqual(typeof(decimal), t.Guess.CSharpType);
Assert.AreEqual(5, t.Guess.Size.Precision);
Assert.AreEqual(1, t.Guess.Size.Scale);
t.AdjustToCompensateForValue("A");
Assert.AreEqual(typeof(string), t.Guess.CSharpType);
Assert.AreEqual(6, t.Guess.Width);
}
[TestCase("5,000", typeof(int), "de-de", 5, 1, 0, 5)] //germans swap commas and dots
public void Test_OneString_IsType(string guessFor, Type expectedGuess, string culture, int expectedStringLength, int expectedBefore, int expectedAfter, object expectedParseValue)
{
var cultureInfo = new CultureInfo(culture);
var guesser = new Guesser()
{
Culture = cultureInfo
};
guesser.AdjustToCompensateForValue(guessFor);
Assert.AreEqual(expectedGuess, guesser.Guess.CSharpType, "Guessed Type did not match");
Assert.AreEqual(expectedStringLength, guesser.Guess.Width, "String length guessed didn't match");
Assert.AreEqual(expectedBefore, guesser.Guess.Size.NumbersBeforeDecimalPlace, "BeforeDecimalPlace didn't match");
Assert.AreEqual(expectedAfter, guesser.Guess.Size.NumbersAfterDecimalPlace, "AfterDecimalPlace didn't match");
TypeDeciderFactory factory = new TypeDeciderFactory(cultureInfo);
if (factory.IsSupported(guesser.Guess.CSharpType))
{
Assert.AreEqual(expectedParseValue, factory.Create(guesser.Guess.CSharpType).Parse(guessFor));
}
else
{
Assert.AreEqual(expectedParseValue, guessFor);
}
}
public void TestGuesser_DateTime_DodgyFormats(string input, Type expectedOutput)
{
Guesser t = new Guesser();
t.AdjustToCompensateForValue(input);
Assert.AreEqual(expectedOutput, t.Guess.CSharpType);
}
