Move tests into corresponding namespaces

CliFx.Tests/Services/DelegateCommandFactoryTests.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using CliFx.Models;
+using CliFx.Services;
+using FluentAssertions;
+using NUnit.Framework;
+
+namespace CliFx.Tests.Services
+{
+    [TestFixture]
+    public partial class DelegateCommandFactoryTests
+    {
+        private static CommandSchema GetCommandSchema(Type commandType) =>
+            new CommandSchemaResolver().GetCommandSchemas(new[] {commandType}).Single();
+
+        private static IEnumerable<TestCaseData> GetTestCases_CreateCommand()
+        {
+            yield return new TestCaseData(
+                new Func<CommandSchema, ICommand>(schema => (ICommand) Activator.CreateInstance(schema.Type)),
+                GetCommandSchema(typeof(TestCommand))
+            );
+        }
+
+        [Test]
+        [TestCaseSource(nameof(GetTestCases_CreateCommand))]
+        public void CreateCommand_Test(Func<CommandSchema, ICommand> factoryMethod, CommandSchema commandSchema)
+        {
+            // Arrange
+            var factory = new DelegateCommandFactory(factoryMethod);
+
+            // Act
+            var command = factory.CreateCommand(commandSchema);
+
+            // Assert
+            command.Should().BeOfType(commandSchema.Type);
+        }
+    }
+}