public IEnumerable<Step> Scan(ITestContext testContext, MethodInfo method, Example example)
{
var executableAttribute = (ExecutableAttribute)method.GetCustomAttributes(typeof(ExecutableAttribute), false).FirstOrDefault();
if (executableAttribute == null)
yield break;
string stepTitle = executableAttribute.StepTitle;
if (string.IsNullOrEmpty(stepTitle))
stepTitle = Configurator.Scanners.Humanize(method.Name);
var stepAsserts = IsAssertingByAttribute(method);
var methodParameters = method.GetParameters();
var inputs = new List<object>();
var inputPlaceholders = Regex.Matches(stepTitle, " <(\\w+)> ");
for (int i = 0; i < inputPlaceholders.Count; i++)
{
var placeholder = inputPlaceholders[i].Groups[1].Value;
for (int j = 0; j < example.Headers.Length; j++)
{
if (example.Values.ElementAt(j).MatchesName(placeholder))
{
inputs.Add(example.GetValueOf(j, methodParameters[inputs.Count].ParameterType));
break;
}
}
}
var stepAction = StepActionFactory.GetStepAction(method, inputs.ToArray());
yield return new Step(stepAction, new StepTitle(stepTitle), stepAsserts, executableAttribute.ExecutionOrder, true, new List<StepArgument>());
}
public Scenario(string id, object testObject, List<Step> steps, string scenarioText, Example example, List<string> tags)
{
Id = id;
TestObject = testObject;
Steps = steps;
Title = scenarioText;
Example = example;
Tags = tags;
}
public IEnumerable<Step> Scan(ITestContext testContext, MethodInfo method, Example example)
{
foreach (var matcher in _matchers)
{
if (!matcher.IsMethodOfInterest(method.Name))
continue;
var returnsItsText = method.ReturnType == typeof(IEnumerable<string>);
yield return GetStep(testContext.TestObject, matcher, method, returnsItsText, example);
}
}
protected virtual IEnumerable<Step> ScanScenarioForSteps(ITestContext testContext, Example example)
{
var allSteps = new List<Step>();
var scenarioType = testContext.TestObject.GetType();
foreach (var methodInfo in GetMethodsOfInterest(scenarioType))
{
// chain of responsibility of step scanners
foreach (var scanner in _stepScanners)
{
var steps = scanner.Scan(testContext, methodInfo, example);
if (steps.Any())
{
allSteps.AddRange(steps);
break;
}
}
}
return allSteps;
}
private Step GetStep(object testObject, MethodNameMatcher matcher, MethodInfo method, bool returnsItsText, Example example)
{
var stepMethodName = GetStepTitleFromMethodName(method, null);
var methodParameters = method.GetParameters();
var inputs = new object[methodParameters.Length];
for (var parameterIndex = 0; parameterIndex < inputs.Length; parameterIndex++)
{
for (var exampleIndex = 0; exampleIndex < example.Headers.Length; exampleIndex++)
{
var methodParameter = methodParameters[parameterIndex];
var parameterName = methodParameter.Name;
var placeholderMatchesExampleColumn = example.Values.ElementAt(exampleIndex).MatchesName(parameterName);
if (placeholderMatchesExampleColumn )
inputs[parameterIndex] = example.GetValueOf(exampleIndex, methodParameter.ParameterType);
}
}
var stepAction = GetStepAction(method, inputs.ToArray(), returnsItsText);
return new Step(stepAction, new StepTitle(stepMethodName), matcher.Asserts, matcher.ExecutionOrder, matcher.ShouldReport, new List<StepArgument>());
}