public void ShouldBeValidWhenGuidIsNull()
{
// Arrange
var attr = new GuidFormatValidationAttribute();
var value = (object)null;
var expected = true;
// Act
var actual = attr.IsValid(value);
// Assert
Assert.Equal(expected, actual);
}
public void ShouldBeValidWhenGuidIsCorrect()
{
// Arrange
var attr = new GuidFormatValidationAttribute();
var guidStr = "b172a2ab-5900-4532-bd68-68a041752017";
var expected = true;
// Act
var actual = attr.IsValid(guidStr);
// Assert
Assert.Equal(expected, actual);
}
public void ShouldBeInvalidWhenGuidIsEmpty()
{
// Arrange
var attr = new GuidFormatValidationAttribute();
var emptyGuidStr = "00000000-0000-0000-0000-000000000000";
var expected = false;
// Act
var actual = attr.IsValid(emptyGuidStr);
// Assert
Assert.Equal(expected, actual);
}