(GH-25) Update to latest Cake internals

Author: gep13

src/Cake.AppVeyor.Tests/Fakes/FakeCakeArguments.cs

@@ -1,18 +1,19 @@
 using System;
 using Cake.Core;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Cake.AppVeyor.Fakes
 {
     internal sealed class FakeCakeArguments : ICakeArguments
     {
-        private readonly Dictionary<string, string> _arguments;
+        private readonly Dictionary<string, List<string>> _arguments;
 
         /// <summary>
         /// Gets the arguments.
         /// </summary>
         /// <value>The arguments.</value>
-        public IReadOnlyDictionary<string, string> Arguments
+        public IReadOnlyDictionary<string, List<string>> Arguments
         {
             get { return _arguments; }
         }
@@ -22,14 +23,14 @@ public IReadOnlyDictionary<string, string> Arguments
         /// </summary>
         public FakeCakeArguments()
         {
-            _arguments = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+            _arguments = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
         }
 
         /// <summary>
         /// Initializes the argument list.
         /// </summary>
         /// <param name="arguments">The arguments.</param>
-        public void SetArguments(IDictionary<string, string> arguments)
+        public void SetArguments(IDictionary<string, List<string>> arguments)
         {
             if (arguments == null)
             {
@@ -61,8 +62,13 @@ public bool HasArgument(string name)
         /// <returns>The argument value.</returns>
         public string GetArgument(string name)
         {
-            return _arguments.ContainsKey(name)
-                ? _arguments[name] : null;
+            return GetArguments(name).LastOrDefault();
+        }
+
+        public ICollection<string> GetArguments(string name)
+        {
+            _arguments.TryGetValue(name, out var arguments);
+            return arguments ?? (ICollection<string>)Array.Empty<string>();
         }
     }
 }

src/Cake.AppVeyor.Tests/Fakes/FakeCakeContext.cs

@@ -20,13 +20,13 @@ public FakeCakeContext()
 
 			log = new FakeLog();
 			var fileSystem = new FileSystem();
-			var environment = new CakeEnvironment(new CakePlatform(), new CakeRuntime(), log);
+			var environment = new CakeEnvironment(new CakePlatform(), new CakeRuntime());
 			var globber = new Globber(fileSystem, environment);
 			var args = new FakeCakeArguments();
 			var registry = new WindowsRegistry();
 			var toolRepo = new ToolRepository(environment);
 			var config = new Core.Configuration.CakeConfigurationProvider(fileSystem, environment).CreateConfiguration(testsDir, new Dictionary<string, string>());
-			var toolResolutionStrategy = new ToolResolutionStrategy(fileSystem, environment, globber, config);
+			var toolResolutionStrategy = new ToolResolutionStrategy(fileSystem, environment, globber, config, log);
 			var toolLocator = new ToolLocator(environment, toolRepo, toolResolutionStrategy);
 			var processRunner = new ProcessRunner(fileSystem, environment, log, toolLocator, config);
 			var data = Substitute.For<ICakeDataService>();