public void All_categories_are_tested()
{
string[] directories = Directory.GetDirectories(AppDomain.CurrentDomain.BaseDirectory)
.Select(Path.GetFileName)
.ToArray();
Type[] types = GetType().Assembly.GetTypes();
List <string> missingCategories = new List <string>();
foreach (string directory in directories)
{
string expectedTypeName = ExpectedTypeName(directory);
Type type = types.SingleOrDefault(t => string.Equals(t.Name, expectedTypeName, StringComparison.InvariantCultureIgnoreCase));
MethodInfo methodInfo = type?.GetMethod("Test");
TestCaseSourceAttribute attribute = methodInfo?.GetCustomAttribute <TestCaseSourceAttribute>();
if (attribute == null || !attribute.MethodParams.Contains(directory))
{
missingCategories.Add(directory);
}
}
foreach (string missing in missingCategories)
{
Console.WriteLine($"{missing} category is missing");
}
Assert.AreEqual(0, missingCategories.Count);
}
private static IEnumerable getTestCaseSourceValue(MethodInfo testMethod, TestCaseSourceAttribute tcs)
{
var sourceDeclaringType = tcs.SourceType ?? testMethod.DeclaringType;
Debug.Assert(sourceDeclaringType != null);
if (tcs.SourceType != null && tcs.SourceName == null)
{
return((IEnumerable)Activator.CreateInstance(tcs.SourceType));
}
var sourceMembers = sourceDeclaringType.AsNonNull().GetMember(tcs.SourceName, BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.FlattenHierarchy);
if (sourceMembers.Length == 0)
{
throw new InvalidOperationException($"No static member with the name of {tcs.SourceName} exists in {sourceDeclaringType} or its base types.");
}
if (sourceMembers.Length > 1)
{
throw new NotSupportedException($"There are multiple members with the same source name ({tcs.SourceName}) (e.g. method overloads).");
}
var sourceMember = sourceMembers.Single();
switch (sourceMember)
{
case FieldInfo sf:
return((IEnumerable)sf.GetValue(null));
case PropertyInfo sp:
if (!sp.CanRead)
{
throw new InvalidOperationException($"The source property {sp.Name} in {sp.DeclaringType.ReadableName()} must have a getter.");
}
return((IEnumerable)sp.GetValue(null));
case MethodInfo sm:
int methodParamsLength = sm.GetParameters().Length;
if (methodParamsLength != (tcs.MethodParams?.Length ?? 0))
{
throw new InvalidOperationException($"The given source method parameters count doesn't match the method. (attribute has {tcs.MethodParams?.Length ?? 0}, method has {methodParamsLength})");
}
return((IEnumerable)sm.Invoke(null, tcs.MethodParams));
default:
throw new NotSupportedException($"{sourceMember.MemberType} is not a supported member type for {nameof(TestCaseSourceAttribute)} (must be static field, property or method)");
}
}