From 0aef92ac49f1d9ce69705b50e7f6add222c85b0f Mon Sep 17 00:00:00 2001
From: Antony Male <antony.male@gmail.com>
Date: Sat, 15 Mar 2014 14:51:52 +0000
Subject: [PATCH] Add some tests for Conductor.Collections.OneActive, but still
 needs some more

---
 StyletUnitTests/ConductorOneActiveTests.cs | 94 ++++++++++++++++++++++
 StyletUnitTests/StyletUnitTests.csproj     |  1 +
 2 files changed, 95 insertions(+)
 create mode 100644 StyletUnitTests/ConductorOneActiveTests.cs

diff --git a/StyletUnitTests/ConductorOneActiveTests.cs b/StyletUnitTests/ConductorOneActiveTests.cs
new file mode 100644
index 0000000..71de1d8
--- /dev/null
+++ b/StyletUnitTests/ConductorOneActiveTests.cs
@@ -0,0 +1,94 @@
+using Moq;
+using NUnit.Framework;
+using Stylet;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StyletUnitTests
+{
+    [TestFixture]
+    public class ConductorOneActiveTests
+    {
+        private Conductor<IScreen>.Collections.OneActive conductor;
+
+        [SetUp]
+        public void SetUp()
+        {
+            this.conductor = new Conductor<IScreen>.Collections.OneActive();
+        }
+
+        [Test]
+        public void NoActiveItemsBeforeAnyItemsActivated()
+        {
+            Assert.IsEmpty(this.conductor.Items);
+        }
+
+        [Test]
+        public void ActivatingItemActivatesAndAddsToItems()
+        {
+            var screen = new Mock<IScreen>();
+            ((IActivate)this.conductor).Activate();
+            this.conductor.ActivateItem(screen.Object);
+
+            screen.Verify(x => x.Activate());
+            Assert.AreEqual(screen.Object, this.conductor.ActiveItem);
+            Assert.That(this.conductor.Items, Is.EquivalentTo(new[] { screen.Object }));
+        }
+
+        [Test]
+        public void ActivatingItemDeactivatesPreviousItem()
+        {
+            var screen1 = new Mock<IScreen>();
+            var screen2 = new Mock<IScreen>();
+            ((IActivate)this.conductor).Activate();
+
+            this.conductor.ActivateItem(screen1.Object);
+            this.conductor.ActivateItem(screen2.Object);
+
+            screen1.Verify(x => x.Deactivate(false));
+            screen2.Verify(x => x.Activate());
+
+            Assert.AreEqual(screen2.Object, this.conductor.ActiveItem);
+            Assert.AreEqual(new[] { screen1.Object, screen2.Object }, this.conductor.Items);
+        }
+
+        [Test]
+        public void ClosingActiveItemChoosesPreviousItemIfAvailable()
+        {
+            var screen1 = new Mock<IScreen>();
+            var screen2 = new Mock<IScreen>();
+            var screen3 = new Mock<IScreen>();
+            ((IActivate)this.conductor).Activate();
+
+            this.conductor.Items.AddRange(new[] { screen1.Object, screen2.Object, screen3.Object });
+            this.conductor.ActivateItem(screen2.Object);
+
+            screen2.Setup(x => x.CanCloseAsync()).Returns(Task.FromResult(true));
+
+            this.conductor.DeactivateItem(screen2.Object, true);
+            Assert.AreEqual(screen1.Object, this.conductor.ActiveItem);
+            Assert.AreEqual(new[] { screen1.Object, screen3.Object }, this.conductor.Items);
+        }
+
+        [Test]
+        public void ClosingActiveItemChoosesNextItemIfNoPreviousItem()
+        {
+            var screen1 = new Mock<IScreen>();
+            var screen2 = new Mock<IScreen>();
+            var screen3 = new Mock<IScreen>();
+            ((IActivate)this.conductor).Activate();
+
+            this.conductor.Items.AddRange(new[] { screen1.Object, screen2.Object, screen3.Object });
+            this.conductor.ActivateItem(screen3.Object);
+
+            screen3.Setup(x => x.CanCloseAsync()).Returns(Task.FromResult(true));
+
+            this.conductor.DeactivateItem(screen3.Object, true);
+            Assert.AreEqual(screen2.Object, this.conductor.ActiveItem);
+            Assert.AreEqual(new[] { screen1.Object, screen2.Object }, this.conductor.Items);
+        }
+    }
+}
diff --git a/StyletUnitTests/StyletUnitTests.csproj b/StyletUnitTests/StyletUnitTests.csproj
index 453e390..5725846 100644
--- a/StyletUnitTests/StyletUnitTests.csproj
+++ b/StyletUnitTests/StyletUnitTests.csproj
@@ -54,6 +54,7 @@
     <Compile Include="ActionExtensionTests.cs" />
     <Compile Include="BindableCollectionTests.cs" />
     <Compile Include="ConductorAllActiveTests.cs" />
+    <Compile Include="ConductorOneActiveTests.cs" />
     <Compile Include="ConductorTests.cs" />
     <Compile Include="EventAggregatorTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />