public void Returns_false_for_data_that_is_not_boolean()
 {
     var retriever = new BoolValueRetriever();
     retriever.GetValue("sssssdfsd").ShouldBeFalse();
     retriever.GetValue(null).ShouldBeFalse();
     retriever.GetValue("").ShouldBeFalse();
     retriever.GetValue("this is false").ShouldBeFalse();
 }
 public void Returns_true_when_the_value_is_true()
 {
     var retriever = new BoolValueRetriever();
     retriever.GetValue("true").ShouldBeTrue();
 }
 public void Returns_false_when_the_value_is_False()
 {
     var retriever = new BoolValueRetriever();
     retriever.GetValue("False").ShouldBeFalse();
 }