Fix the bug "IsDependeeOf is not working"

- Fix the `FrostingEngine.ConfigureTasks()`
- Add a `.GetTaskName()` helper for `IReverseTaskDependency`
- Add unit test for `IsDependeeOf`
- Add `DependeeTask` to `Example` project

src/Cake.Frosting.Example/Program.cs

@@ -37,6 +37,16 @@ public override void Run(BuildContext context)
  }
 }
 
+[TaskName("Dependee")]
+[IsDependeeOf(typeof(WorldTask))]
+public sealed class DependeeTask : FrostingTask<BuildContext>
+{
+ public override void Run(BuildContext context)
+ {
+ context.Log.Information("Dependee of World");
+ }
+}
+
 [TaskName("World")]
 [IsDependentOn(typeof(HelloTask))]
 public sealed class WorldTask : AsyncFrostingTask<BuildContext>

src/Cake.Frosting.Tests/CakeHostTests.cs

@@ -165,6 +165,26 @@ public void Should_Abort_Build_If_Task_That_Is_Not_ContinueOnError_Throws()
  Assert.NotEqual(0, result);
  }
 
+ [Fact]
+ public void Should_Execute_Dependee_Task()
+ {
+ // Given
+ var fixture = new CakeHostFixture();
+ fixture.RegisterTask<CleanTask>();
+ fixture.RegisterTask<DependeeTask>();
+ fixture.Strategy = Substitute.For<IExecutionStrategy>();
+
+ // When
+ fixture.Run("--target", nameof(CleanTask));
+
+ // Then
+ Received.InOrder(() =>
+ {
+ fixture.Strategy.ExecuteAsync(Arg.Is<CakeTask>(t => t.Name == nameof(DependeeTask)), Arg.Any<ICakeContext>());
+ fixture.Strategy.ExecuteAsync(Arg.Is<CakeTask>(t => t.Name == nameof(CleanTask)), Arg.Any<ICakeContext>());
+ });
+ }
+
  [Fact]
  public void Should_Execute_Tasks_In_Correct_Order()
  {

src/Cake.Frosting.Tests/Tasks/DependeeTask.cs

@@ -0,0 +1,9 @@
+using Cake.Core;
+
+namespace Cake.Frosting.Tests
+{
+ [IsDependeeOf(typeof(CleanTask))]
+ public sealed class DependeeTask : FrostingTask<ICakeContext>
+ {
+ }
+}

src/Cake.Frosting/Internal/Extensions/TaskNameHelper.cs

@@ -17,5 +17,15 @@ public static string GetTaskName(this ITaskDependency dependency)
 
  return dependency.Task.GetTaskName();
  }
+
+ public static string GetTaskName(this IReverseTaskDependency dependency)
+ {
+ if (dependency is null)
+ {
+ throw new ArgumentNullException(nameof(dependency));
+ }
+
+ return dependency.Task.GetTaskName();
+ }
  }
 }

src/Cake.Frosting/Internal/FrostingEngine.cs

@@ -164,7 +164,7 @@ private void ConfigureTasks()
  // Add reverse dependencies
  foreach (var dependee in task.GetReverseDependencies())
  {
- var dependeeName = dependee.GetType().GetTaskName();
+ var dependeeName = dependee.GetTaskName();
  if (!typeof(IFrostingTask).IsAssignableFrom(dependee.Task))
  {
  throw new FrostingException($"The reverse dependency '{dependeeName}' is not a valid task.");