public void Transform_NullValue_PaddedValueReturned()
{
var totalWidth = 5;
var paddingChar = '0';
var padLeftAttribute = new PadLeftAttribute(totalWidth, paddingChar);
var transformedValue = padLeftAttribute.Transform(null);
Assert.AreEqual("00000", transformedValue);
}
public void Transform_FullLengthValue_OriginalValueReturned()
{
var value = "11111";
var totalWidth = 5;
var paddingChar = '0';
var padLeftAttribute = new PadLeftAttribute(totalWidth, paddingChar);
var transformedValue = padLeftAttribute.Transform(value);
Assert.AreEqual(value, transformedValue);
}
public void Transform_UnderTotalLengthValue_PaddedValueReturned()
{
var value = "111";
var totalWidth = 5;
var paddingChar = '0';
var padLeftAttribute = new PadLeftAttribute(totalWidth, paddingChar);
var transformedValue = padLeftAttribute.Transform(value);
Assert.AreEqual("00111", transformedValue);
}
public void ApplyTransform_NonStringField_ExceptionIsThrown()
{
var record = new MockRecord()
{
IntField = 1
};
var totalWidth = 5;
var paddingChar = ' ';
var property = typeof(MockRecord).GetProperty(nameof(MockRecord.IntField));
var padLeftAttribute = new PadLeftAttribute(totalWidth, paddingChar);
padLeftAttribute.ApplyTransform(property, record);
}
public void ApplyTransform_NonEmptyValueUnderTotalWidth_ValueIsPadded()
{
var record = new MockRecord()
{
StringField = "ABC"
};
var totalWidth = 5;
var paddingChar = ' ';
var property = typeof(MockRecord).GetProperty(nameof(MockRecord.StringField));
var padLeftAttribute = new PadLeftAttribute(totalWidth, paddingChar);
padLeftAttribute.ApplyTransform(property, record);
Assert.AreEqual(" ABC", record.StringField);
}
public void ApplyTransform_NullValue_ValueIsUnchanged()
{
var record = new MockRecord()
{
StringField = null
};
var totalWidth = 5;
var paddingChar = ' ';
var property = typeof(MockRecord).GetProperty(nameof(MockRecord.StringField));
var padLeftAttribute = new PadLeftAttribute(totalWidth, paddingChar);
padLeftAttribute.ApplyTransform(property, record);
Assert.IsNull(record.StringField);
}
