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