public static T GetOrAdd <T>(
[NotNull] this IServiceProviderDictionary serviceProviderDictionary,
string key,
[NotNull] Func <T> factory
)
where T : class
{
if (serviceProviderDictionary == null)
{
throw new ArgumentNullException(nameof(serviceProviderDictionary));
}
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
if (!(serviceProviderDictionary[key] is T value))
{
value = factory();
serviceProviderDictionary.Set(value);
}
return(value);
}
/// <summary>
/// Initializes a new instance of the <see cref="ConventionTestHost" /> class.
/// </summary>
/// <param name="scanner">The scanner.</param>
/// <param name="assemblyCandidateFinder">The assembly candidate finder.</param>
/// <param name="assemblyProvider">The assembly provider.</param>
/// <param name="diagnosticSource">The diagnostic source.</param>
/// <param name="serviceProperties">The service properties.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="environment">The environment.</param>
internal ConventionTestHost(
IConventionScanner scanner,
IAssemblyCandidateFinder assemblyCandidateFinder,
IAssemblyProvider assemblyProvider,
DiagnosticSource diagnosticSource,
IServiceProviderDictionary serviceProperties,
ILoggerFactory loggerFactory,
IRocketEnvironment environment
) : base(scanner, assemblyCandidateFinder, assemblyProvider, diagnosticSource, serviceProperties)
{
serviceProperties.Set(HostType.UnitTestHost);
_loggerFactory = loggerFactory;
_environment = environment;
_logger = ServiceProperties.Get <ILogger>();
}