public void CreateService_MultipleTimes_ConstructsOnce(int times)
{
// Arrange
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(m => m.GetService(typeof(ILoggerFactory)))
.Returns(new NullLoggerFactory());
var factory = new SingletonGenericServiceFactory(typeof(Logger <>));
factory.Initialize(serviceProvider.Object);
// Act
var result = Enumerable.Range(1, times).Select(
_ => factory.CreateService(typeof(ILogger <SingletonGenericServiceFactoryTests>)))
.ToList();
// Assert
var first = result[0];
Assert.All(result, p => Assert.Equal(first, p));
}
public void CreateService_NotInitialized_InvalidOperationException()
{
// Arrange
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(m => m.GetService(typeof(ILoggerFactory)))
.Returns(new NullLoggerFactory());
var factory = new SingletonGenericServiceFactory(typeof(Logger <>));
// Act/Assert
Assert.Throws <InvalidOperationException>(() => factory.CreateService(typeof(ILogger <SingletonGenericServiceFactoryTests>)));
}
public void CreateService_Generic_Constructs()
{
// Arrange
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(m => m.GetService(typeof(ILoggerFactory)))
.Returns(new NullLoggerFactory());
var factory = new SingletonGenericServiceFactory(typeof(Logger <>));
factory.Initialize(serviceProvider.Object);
// Act
var result = factory.CreateService(typeof(ILogger <SingletonGenericServiceFactoryTests>));
// Assert
Assert.NotNull(result);
Assert.IsAssignableFrom <Logger <SingletonGenericServiceFactoryTests> >(result);
}
