public void Returns_value_from_ULongValueRetriever_when_passed_not_empty_string()
{
Func<string, ulong> func = v =>
{
if (v == "test value") return 123;
if (v == "another test value") return 456;
return 0;
};
var retriever = new NullableULongValueRetriever(func);
retriever.GetValue("test value").Should().Be((ulong?)123);
retriever.GetValue("another test value").Should().Be((ulong?)456);
}
public void Returns_null_when_passed_empty_string()
{
var retriever = new NullableULongValueRetriever(v => 3);
retriever.GetValue(string.Empty).Should().Be(null);
}
public void Returns_null_when_the_value_is_null()
{
var retriever = new NullableULongValueRetriever(v => 0);
retriever.GetValue(null).Should().Be(null);
}