public void Factory_ShouldThrowException_WhenValueIsNull()
{
// Arrange
var type = typeof(string);
var mockFactory = new Mock <IFactory>(MockBehavior.Strict);
var subject = new ThreadLifetime(type, mockFactory.Object);
// Act
Action action = () => subject.Factory = null;
// Assert
action.ShouldThrow <ArgumentNullException>();
}
public void Constructor_ShouldStoreParameters()
{
// Arrange
var type = typeof(string);
var mockFactory = new Mock <IFactory>(MockBehavior.Strict);
// Act
var result = new ThreadLifetime(type, mockFactory.Object);
// Assert
result.ImplementationType.ShouldBeSameAs(type);
result.Factory.ShouldBeSameAs(mockFactory.Object);
}
public void Factory_ShouldStoreNewValue()
{
// Arrange
var type = typeof(string);
var mockFactory1 = new Mock <IFactory>(MockBehavior.Strict);
var mockFactory2 = new Mock <IFactory>(MockBehavior.Strict);
var subject = new ThreadLifetime(type, mockFactory1.Object);
// Act
subject.Factory = mockFactory2.Object;
// Assert
subject.Factory.ShouldBeSameAs(mockFactory2.Object);
}
public void GetInstance_ShouldConstructSingleInstancePerThread()
{
// Arrange
var type = typeof(string);
var instances = new[] { "hello", "goodbye" };
var count1 = 0;
var count3 = 1;
var mockFactory1 = new Mock <IFactory>(MockBehavior.Strict);
mockFactory1
.Setup(f => f.ConstructNewInstance())
.Returns(instances[count1++]);
var mockFactory2 = new Mock <IFactory>(MockBehavior.Strict);
var mockFactory3 = new Mock <IFactory>(MockBehavior.Strict);
mockFactory3
.Setup(f => f.ConstructNewInstance())
.Returns(instances[count3--]);
var subject1 = new ThreadLifetime(type, mockFactory1.Object);
var subject2 = new ThreadLifetime(type, mockFactory2.Object);
var subject3 = new ThreadLifetime(type, mockFactory3.Object);
object result1 = null;
object result2 = null;
object result3 = null;
object result4 = null;
object result5 = null;
object result6 = null;
object result7 = null;
object result8 = null;
object result9 = null;
var thread1_2 = new Thread(() =>
{
result1 = subject1.GetInstance();
result2 = subject1.GetInstance();
result3 = subject1.GetInstance();
result4 = subject2.GetInstance();
result5 = subject2.GetInstance();
result6 = subject2.GetInstance();
});
var thread3 = new Thread(() =>
{
result7 = subject3.GetInstance();
result8 = subject3.GetInstance();
result9 = subject3.GetInstance();
});
// Act
thread1_2.Start();
thread3.Start();
thread1_2.Join();
thread3.Join();
// Assert
result1.ShouldBe(instances[0]);
result2.ShouldBe(instances[0]);
result3.ShouldBe(instances[0]);
result4.ShouldBe(instances[0]);
result5.ShouldBe(instances[0]);
result6.ShouldBe(instances[0]);
result7.ShouldBe(instances[1]);
result8.ShouldBe(instances[1]);
result9.ShouldBe(instances[1]);
mockFactory1.VerifyAll();
mockFactory3.VerifyAll();
}
