public void GetErrorMessageReturnsStringWhenGivenNullObject()
{
IValidationRule <string> rule = new StringLengthMustBeInRangeRule <string>(s => s, "Name", 0, 0);
string errorMessage = rule.GetErrorMessage(null);
Assert.IsNotNull(errorMessage);
Assert.IsNotEmpty(errorMessage);
}
public void GetErrorMessageReturnsMessageContainingMaximumStringLength()
{
const int expectedMaximumLength = 4;
IValidationRule <string> rule = new StringLengthMustBeInRangeRule <string>(s => s, "Name",
0, expectedMaximumLength);
string errorMessage = rule.GetErrorMessage(string.Empty);
Assert.IsTrue(errorMessage.Contains(expectedMaximumLength.ToString()),
"Message did not contain maximum string length.");
}
public void GetErrorMessageReturnsMessageContainingErrornousStringLength()
{
const string stringToValidate = "123";
int expectedLength = stringToValidate.Length;
IValidationRule <string> rule = new StringLengthMustBeInRangeRule <string>(s => s, "Name", 0, 0);
string errorMessage = rule.GetErrorMessage(stringToValidate);
Assert.IsTrue(errorMessage.Contains(expectedLength.ToString()),
"Message did not contain string's length.");
}
public void GetErrorMessageReturnsStringWhenGivenObjectWithNullProperty()
{
var medicalVendorInvoice = new FakeMedicalVendorInvoiceBase {
MedicalVendorName = null
};
IValidationRule <FakeMedicalVendorInvoiceBase> rule = new StringLengthMustBeInRangeRule
<FakeMedicalVendorInvoiceBase>(s => s.MedicalVendorName, "MedicalVendorName", 0, 0);
string errorMessage = rule.GetErrorMessage(medicalVendorInvoice);
Assert.IsNotNull(errorMessage);
Assert.IsNotEmpty(errorMessage);
}
public void GetErrorMessageReturnsMessageContainingStringLengthMinLengthAndMaxLengthWhenAllGiven()
{
const string stringToValidate = "123";
int expectedLength = stringToValidate.Length;
const int expectedMinimumLength = 64156;
const int expectedMaximumLength = 99591;
IValidationRule <string> rule = new StringLengthMustBeInRangeRule <string>(s => s, "Name",
expectedMinimumLength, expectedMaximumLength);
string errorMessage = rule.GetErrorMessage(stringToValidate);
Assert.IsTrue(errorMessage.Contains(expectedMinimumLength.ToString()),
"Message did not contain minimum string length.");
Assert.IsTrue(errorMessage.Contains(expectedMaximumLength.ToString()),
"Message did not contain maximum string length.");
Assert.IsTrue(errorMessage.Contains(expectedLength.ToString()),
"Message did not contain string's length.");
}