public void BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState_ErrorNotAddedIfCallbackReturnsNull()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
ModelBinderErrorMessageProvider originalProvider = ModelBinderConfig.TypeConversionErrorMessageProvider;
bool retVal;
try
{
ModelBinderConfig.TypeConversionErrorMessageProvider = delegate { return null; };
retVal = binder.BindModel(null, bindingContext);
}
finally
{
ModelBinderConfig.TypeConversionErrorMessageProvider = originalProvider;
}
// Assert
Assert.False(retVal);
Assert.Null(bindingContext.Model);
Assert.True(bindingContext.ModelState.IsValid);
}
public void BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
Assert.Equal("The value 'not an integer' is not valid for Int32.", bindingContext.ModelState["theModelName"].Errors[0].ErrorMessage);
}
public void BindModel_Error_GeneralExceptionsSavedInModelState()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(Dummy));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "foo" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
Assert.Null(bindingContext.Model);
Assert.Equal("The parameter conversion from type 'System.String' to type 'System.Web.Http.ModelBinding.Binders.TypeConverterModelBinderTest+Dummy' failed. See the inner exception for more information.", bindingContext.ModelState["theModelName"].Errors[0].Exception.Message);
Assert.Equal("From DummyTypeConverter: foo", bindingContext.ModelState["theModelName"].Errors[0].Exception.InnerException.Message);
}
public void BindModel_Error_GeneralExceptionsSavedInModelState()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(Dummy));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "foo" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
Assert.Null(bindingContext.Model);
Assert.Equal("The parameter conversion from type 'System.String' to type 'System.Web.Http.ModelBinding.Binders.TypeConverterModelBinderTest+Dummy' failed. See the inner exception for more information.", bindingContext.ModelState["theModelName"].Errors[0].Exception.Message);
Assert.Equal("From DummyTypeConverter: foo", bindingContext.ModelState["theModelName"].Errors[0].Exception.InnerException.Message);
}
public void BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
Assert.Equal(
"The value 'not an integer' is not valid for Int32.",
bindingContext.ModelState["theModelName"].Errors[0].ErrorMessage
);
}
public void BindModel_NullValueProviderResult_ReturnsFalse()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal, "BindModel should have returned null.");
Assert.Empty(bindingContext.ModelState);
}
public void BindModel_ValidValueProviderResult_ReturnsModel()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "42" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.True(retVal);
Assert.Equal(42, bindingContext.Model);
Assert.True(bindingContext.ModelState.ContainsKey("theModelName"));
}
public void BindModel_ValidValueProviderResult_ConvertEmptyStringsToNull()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(string));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.True(retVal);
Assert.Null(bindingContext.Model);
Assert.True(bindingContext.ModelState.ContainsKey("theModelName"));
}