public async Task DeployAsync(IDeploymentContext context,
IEnumerable <IDeploymentResource> resources,
CancellationToken cancellationToken)
{
//
// Create a map between resources and activities, so we can easily
// map dependencies later on
//
var order = 0;
var map = new Dictionary <IDeploymentResource, IDeploymentActivity>();
foreach (var resource in resources)
{
order++;
var t = typeof(IDeploymentResourceProvider <>);
var x = t.MakeGenericType(resource.GetType());
var provider = context.DeploymentServices.GetService(x);
var adaptor = new DeploymentResourceProviderAdaptor(provider);
Expression <Func <Task> > expression = () => adaptor.SetAsync(context, resource, cancellationToken);
var activity = new DeploymentActivity(resource.Key, expression, order);
map.Add(resource, activity);
}
//
// Add all the acitivies to the graph
//
var activityGraph = new Graph <IDeploymentActivity>();
foreach (var value in map.Values)
{
activityGraph.Add(value);
}
//
// Create dependencies between activities
//
foreach (var pair in map)
{
var resource = pair.Key;
var activity = pair.Value;
foreach (var antecedent in resource.Antecedents)
{
var antecedentActivity = map[antecedent];
activityGraph.SetAntecedent(activity, antecedentActivity);
}
}
//
// Execute the activities
//
await activityGraph.Walk(activity => activity.ExecuteAsync(), context.Parallel);
}
public async Task Constructor_Should_Wrap_Provider()
{
// Act
var provider = new StubResourceProvider1();
var target = new DeploymentResourceProviderAdaptor(provider);
var resource = new MockResource(null);
var resourceProvider = new MockDeploymentResourceProvider();
var context = new MockDeploymentContext(resourceProvider);
await target.SetAsync(context, resource, CancellationToken.None);
//Assert
Assert.IsTrue(provider.BeenCalled);
}