private string GetStepTitle(MethodInfo method, object testObject, RunStepWithArgsAttribute argAttribute, bool returnsItsText)
{
Func<string> stepTitleFromMethodName = () => GetStepTitleFromMethodName(method, argAttribute);
if(returnsItsText)
return GetStepTitleFromMethod(method, argAttribute, testObject) ?? stepTitleFromMethodName();
return stepTitleFromMethodName();
}
private string GetStepTitleFromMethodName(MethodInfo method, RunStepWithArgsAttribute argAttribute)
{
var methodName = _stepTextTransformer(NetToString.Convert(method.Name));
object[] inputs = null;
if (argAttribute != null && argAttribute.InputArguments != null)
inputs = argAttribute.InputArguments;
if (inputs == null)
return methodName;
if (string.IsNullOrEmpty(argAttribute.StepTextTemplate))
{
var stringFlatInputs = inputs.FlattenArrays().Select(i => i.ToString()).ToArray();
return methodName + " " + string.Join(", ", stringFlatInputs);
}
return string.Format(argAttribute.StepTextTemplate, inputs.FlattenArrays());
}
private ExecutionStep GetStep(object testObject, MethodNameMatcher matcher, MethodInfo method, bool returnsItsText, object[] inputs = null, RunStepWithArgsAttribute argAttribute = null)
{
var stepMethodName = GetStepTitle(method, testObject, argAttribute, returnsItsText);
var stepAction = GetStepAction(method, inputs, returnsItsText);
return new ExecutionStep(stepAction, stepMethodName, matcher.Asserts, matcher.ExecutionOrder, matcher.ShouldReport);
}
private static string GetStepTitleFromMethod(MethodInfo method, RunStepWithArgsAttribute argAttribute, object testObject)
{
object[] inputs = null;
if(argAttribute != null && argAttribute.InputArguments != null)
inputs = argAttribute.InputArguments;
var enumerableResult = InvokeIEnumerableMethod(method, testObject, inputs);
try
{
return enumerableResult.FirstOrDefault();
}
catch (Exception ex)
{
var message = string.Format(
"The signature of method '{0}' indicates that it returns its step title; but the code is throwing an exception before a title is returned",
method.Name);
throw new StepTitleException(message, ex);
}
}