public void WhenAllInstancesOfATypeAreResolvedGenericallyItShouldReturnAllInstances()
{
// Arrange
var expectedItemsList = new List <string> {
"All", "Instances", "Are", "Retrieved"
};
var container = new ShifterContainer();
container
.AddInstance(typeof(int), 1)
.AddInstance(typeof(string), "All")
.AddInstance(typeof(int), 1)
.AddInstance(typeof(string), "Instances")
.AddInstance(typeof(int), 1)
.AddInstance(typeof(string), "Are")
.AddInstance(typeof(int), 1)
.AddInstance(typeof(string), "Retrieved");
// Act
var resolveAll = container.ResolveAll <String>();
// Assert
resolveAll.Count().Should().Be(4, "because there are 4 instances registered.");
resolveAll.Should().Contain(expectedItemsList);
}
public void WhenResettingItShouldUnregisterAllInstancesOfThatType()
{
// Arrange
var container = new ShifterContainer();
container
.AddInstance(typeof(int), 1234)
.AddInstance(typeof(string), "Hello")
.AddInstance(typeof(int), 2)
.AddInstance(typeof(IShifterContainer), ShifterContainer.Default);
// Act
container.Reset();
var resolvedInts = container.ResolveAll <int>();
var resolvedString = container.ResolveAll <string>();
var resolvedContainer = container.ResolveAll <IShifterContainer>();
// Assert
resolvedInts.Should().BeEmpty("because these ints are unregistered.");
resolvedString.Should().BeEmpty("because these strings are unregistered.");
resolvedContainer.Should().BeEmpty("because these containers are unregistered.");
}
public void WhenUnregisteringATypeGenericallyItShouldUnregisterAllInstancesOfThatType()
{
// Arrange
var container = new ShifterContainer();
container
.AddInstance(typeof(int), 1234)
.AddInstance(typeof(string), "Hello")
.AddInstance(typeof(int), 2)
.AddInstance(typeof(IShifterContainer), ShifterContainer.Default);
// Act
container.Unregister <int>();
var resolvedInts = container.ResolveAll <int>();
var resolvedString = container.ResolveAll <string>();
var resolvedContainer = container.ResolveAll <IShifterContainer>();
// Assert
resolvedInts.Should().BeEmpty("because these are unregistered.");
resolvedString.Count().Should().Be(1, "because one string was left.");
resolvedContainer.Count().Should().Be(1, "because one IShifterContainer was left.");
}