public void Factory_ShouldThrowException_WhenValueIsNull()
{
// Arrange
var type = typeof(string);
var mockFactory = new Mock <IFactory>(MockBehavior.Strict);
var subject = new ContainerLifetime(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 ContainerLifetime(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 ContainerLifetime(type, mockFactory1.Object);
// Act
subject.Factory = mockFactory2.Object;
// Assert
subject.Factory.ShouldBeSameAs(mockFactory2.Object);
}
public void GetInstance_ShouldConstructSingleInstancePerLifetime()
{
// Arrange
var type = typeof(string);
var instances = new[] { "hello", "goodbye" };
var count1 = 0;
var count2 = 1;
var mockFactory1 = new Mock <IFactory>(MockBehavior.Strict);
mockFactory1
.Setup(f => f.ConstructNewInstance())
.Returns(instances[count1++]);
var mockFactory2 = new Mock <IFactory>(MockBehavior.Strict);
mockFactory2
.Setup(f => f.ConstructNewInstance())
.Returns(instances[count2--]);
var subject1 = new ContainerLifetime(type, mockFactory1.Object);
var subject2 = new ContainerLifetime(type, mockFactory2.Object);
// Act
var result1 = subject1.GetInstance();
var result2 = subject1.GetInstance();
var result3 = subject1.GetInstance();
var result4 = subject2.GetInstance();
var result5 = subject2.GetInstance();
var result6 = subject2.GetInstance();
// Assert
result1.ShouldBe(instances[0]);
result2.ShouldBe(instances[0]);
result3.ShouldBe(instances[0]);
result4.ShouldBe(instances[1]);
result5.ShouldBe(instances[1]);
result6.ShouldBe(instances[1]);
mockFactory1.VerifyAll();
mockFactory2.VerifyAll();
}