public void Transform_NegativeMaxLength_ExceptionIsThrown()
{
var value = "test";
var maxLength = -1;
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
var transformedValue = truncateTextAttribute.Transform(value);
}
public void Transform_TextOverMaxLength_TruncatedTextReturned()
{
var value = "123456";
var maxLength = 5;
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
var transformedValue = truncateTextAttribute.Transform(value);
Assert.AreEqual("12345", transformedValue);
}
public void Transform_ZeroMaxLength_EmptyStringReturned()
{
var value = "test";
var maxLength = 0;
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
var transformedValue = truncateTextAttribute.Transform(value);
Assert.AreEqual(String.Empty, transformedValue);
}
public void Transform_TextUnderMaxLength_OriginalTextReturned()
{
var value = "123";
var maxLength = 5;
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
var transformedValue = truncateTextAttribute.Transform(value);
Assert.AreEqual("123", transformedValue);
}
public void ApplyTransform_IntField_ExceptionIsThrown()
{
var maxLength = 5;
var record = new MockRecord()
{
IntField = 10
};
var property = typeof(MockRecord).GetProperty(nameof(MockRecord.IntField));
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
truncateTextAttribute.ApplyTransform(property, record);
}
public void ApplyTransform_StringFieldWithValueOverMaxLength_TextIsTruncated()
{
var maxLength = 5;
var record = new MockRecord()
{
StringField = "123456789"
};
var property = typeof(MockRecord).GetProperty(nameof(MockRecord.StringField));
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
truncateTextAttribute.ApplyTransform(property, record);
Assert.AreEqual("12345", record.StringField);
}
public void ApplyTransform_StringFieldWithNullValue_ValueIsUnchanged()
{
var maxLength = 5;
var record = new MockRecord()
{
StringField = null
};
var property = typeof(MockRecord).GetProperty(nameof(MockRecord.StringField));
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
truncateTextAttribute.ApplyTransform(property, record);
Assert.IsNull(record.StringField);
}
public void Transform_NullValue_ExceptionIsThrown()
{
var maxLength = 5;
var truncateTextAttribute = new TruncateTextAttribute(maxLength);
var transformedValue = truncateTextAttribute.Transform(null);
}