public void ModelChangedHandlerTest()
{
var input = new InputViewModel <int, string>(Converters.IntStringWithExeption);
input.Model = 1;
var newValue = -1;
var oldValue = -1;
var count = 0;
input.HandleModelChanged = (nwv, old) =>
{
newValue = nwv;
oldValue = old;
count++;
};
input.Model = 2;
Assert.AreEqual(2, newValue);
Assert.AreEqual(1, oldValue);
Assert.AreEqual(1, count);
input.EditValueAndUpdateModel(3.ToString());
Assert.AreEqual(3, newValue);
Assert.AreEqual(2, oldValue);
Assert.AreEqual(2, count);
}
public void EditWithReverterTest()
{
var msg = "test validation error";
var defValue = -1;
var preValue = -1;
var revertedValue = 10;
var validator = new TestValidator <int, string>(msg);
var reverter = new TestReverter <int, string>((def, prev) => {
defValue = def;
preValue = prev;
return(revertedValue);
});
var input = new InputViewModel <int, string>(Converters.IntStringWithExeption, validator, reverter);
validator.SetIsValid(true);
input.Model = 1;
input.DefaultModel = 11;
validator.SetIsValid(false);
input.EditValueAndUpdateModel(2.ToString());
Assert.AreEqual(revertedValue, input.Model);
Assert.AreEqual(11, defValue);
Assert.AreEqual(1, preValue);
Assert.AreEqual(revertedValue.ToString(), input.View);
Assert.IsFalse(input.IsValid);
Assert.AreEqual(msg, input.ErrorMessage);
}
public void EditConvertValidationTest()
{
var input = new InputViewModel <int, string>(Converters.IntStringWithExeption);
input.Model = 1;
input.EditValueAndUpdateModel("error");
Assert.AreEqual(1, input.Model);
Assert.IsFalse(input.IsValid);
Assert.AreEqual("error", input.View);
}
public void EditWithValidatorNegativeTest()
{
var msg = "test validation error";
var validator = new TestValidator <int, string>(msg);
var input = new InputViewModel <int, string>(Converters.IntStringWithExeption, validator);
input.Model = 1;
validator.SetIsValid(false);
input.EditValueAndUpdateModel(2.ToString());
Assert.AreEqual(1, input.Model);
Assert.AreEqual(2.ToString(), input.View);
Assert.IsFalse(input.IsValid);
Assert.AreEqual(msg, input.ErrorMessage);
}