# HG changeset patch
# User Steven Hollidge <stevenhollidge@hotmail.com>
# Date 1333563620 -3600
# Node ID aef06698d9e272bbaf329da8672aea335fe0d718
# Parent  0d4aff4f699d88d5f6527046ecf7dc51b02be0b2
Added the library tests

diff -r 0d4aff4f699d -r aef06698d9e2 .hgignore
--- a/.hgignore	Tue Apr 03 23:32:40 2012 +0100
+++ b/.hgignore	Wed Apr 04 19:20:20 2012 +0100
@@ -5,4 +5,6 @@
 *.csproj.user
 */obj/*
 */_ReSharper*
-Stocks/packages/*
+*.DotSettings.user
+*/packages/*
+*.stats
diff -r 0d4aff4f699d -r aef06698d9e2 Library/.nuget/NuGet.Config
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/.nuget/NuGet.Config	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <solution>
+    <add key="disableSourceControlIntegration" value="true" />
+  </solution>
+</configuration>
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/.nuget/NuGet.exe
Binary file Library/.nuget/NuGet.exe has changed
diff -r 0d4aff4f699d -r aef06698d9e2 Library/.nuget/NuGet.targets
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/.nuget/NuGet.targets	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <PropertyGroup>
+        <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">$(MSBuildProjectDirectory)\..\</SolutionDir>
+
+        <!-- Windows specific commands -->
+        <NuGetToolsPath Condition=" '$(OS)' == 'Windows_NT'">$([System.IO.Path]::Combine($(SolutionDir), ".nuget"))</NuGetToolsPath>
+        <PackagesConfig Condition=" '$(OS)' == 'Windows_NT'">$([System.IO.Path]::Combine($(ProjectDir), "packages.config"))</PackagesConfig>
+        <PackagesDir Condition=" '$(OS)' == 'Windows_NT'">$([System.IO.Path]::Combine($(SolutionDir), "packages"))</PackagesDir>
+
+        <!-- We need to launch nuget.exe with the mono command if we're not on windows -->
+        <NuGetToolsPath Condition=" '$(OS)' != 'Windows_NT'">$(SolutionDir).nuget</NuGetToolsPath>
+        <PackagesConfig Condition=" '$(OS)' != 'Windows_NT' ">packages.config</PackagesConfig>
+        <PackagesDir Condition=" '$(OS)' != 'Windows_NT'">$(SolutionDir)packages</PackagesDir>
+        
+        <!-- NuGet command -->
+        <NuGetExePath>$(NuGetToolsPath)\nuget.exe</NuGetExePath>
+        <NuGetCommand Condition=" '$(OS)' == 'Windows_NT'">"$(NuGetExePath)"</NuGetCommand>
+        <NuGetCommand Condition=" '$(OS)' != 'Windows_NT' ">mono --runtime=v4.0.30319 $(NuGetExePath)</NuGetCommand>
+
+        <PackageOutputDir Condition="$(PackageOutputDir) == ''">$(TargetDir.Trim('\\'))</PackageOutputDir>
+
+        <!-- Package sources used to restore packages. By default will used the registered sources under %APPDATA%\NuGet\NuGet.Config -->
+        <PackageSources>""</PackageSources>
+
+        <!-- Enable the restore command to run before builds -->
+        <RestorePackages Condition="$(RestorePackages) == ''">false</RestorePackages>
+
+        <!-- Property that enables building a package from a project -->
+        <BuildPackage Condition="$(BuildPackage) == ''">false</BuildPackage>
+
+        <!-- Commands -->
+        <RestoreCommand>$(NuGetCommand) install "$(PackagesConfig)" -source $(PackageSources) -o "$(PackagesDir)"</RestoreCommand>
+        <BuildCommand>$(NuGetCommand) pack "$(ProjectPath)" -p Configuration=$(Configuration) -o "$(PackageOutputDir)" -symbols</BuildCommand>
+
+        <!-- Make the build depend on restore packages -->
+        <BuildDependsOn Condition="$(RestorePackages) == 'true'">
+            RestorePackages;
+            $(BuildDependsOn);
+        </BuildDependsOn>
+
+        <!-- Make the build depend on restore packages -->
+        <BuildDependsOn Condition="$(BuildPackage) == 'true'">
+            $(BuildDependsOn);
+            BuildPackage;
+        </BuildDependsOn>
+    </PropertyGroup>
+
+    <Target Name="CheckPrerequisites">
+        <!-- Raise an error if we're unable to locate nuget.exe  -->
+        <Error Condition="!Exists('$(NuGetExePath)')" Text="Unable to locate '$(NuGetExePath)'" />
+    </Target>
+
+    <Target Name="RestorePackages" DependsOnTargets="CheckPrerequisites">
+        <Exec Command="$(RestoreCommand)"
+              Condition="'$(OS)' != 'Windows_NT' And Exists('$(PackagesConfig)')" />
+              
+        <Exec Command="$(RestoreCommand)"
+              LogStandardErrorAsError="true"
+              Condition="'$(OS)' == 'Windows_NT' And Exists('$(PackagesConfig)')" />
+    </Target>
+
+    <Target Name="BuildPackage" DependsOnTargets="CheckPrerequisites" Condition=" '$(OS)' != 'Windows_NT' ">
+        <Exec Command="$(BuildCommand)" 
+              Condition=" '$(OS)' != 'Windows_NT' " />
+              
+        <Exec Command="$(BuildCommand)"
+              LogStandardErrorAsError="true"
+              Condition=" '$(OS)' == 'Windows_NT' " />
+    </Target>
+</Project>
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/Core/BookTests.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem.Tests/Core/BookTests.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,42 @@
+using System;
+using LibrarySystem.Core;
+using LibrarySystem.Interfaces;
+using NUnit.Framework;
+
+namespace LibrarySystem.Tests.Core
+{
+    [TestFixture]
+    class BookTests
+    {
+        [Test]
+        public void Create_WithNullIdAndNullPublication_ShouldThrowArgumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Book.Create(null, null));
+        }
+
+        [Test]
+        public void Create_WithNullIdAndValidPublication_ShouldThrowArgumentNullException()
+        {
+            var publisher = Publisher.Create("dummy");
+            var publication = Publication.Create("dummy", "dummy", publisher, "dummy");
+            Assert.Throws<ArgumentNullException>(() => Book.Create(null, publication));
+        }
+
+        [Test]
+        public void Create_WithNullPublication_ShouldThrowArgumentNullException()
+        {
+            var validId = "1";
+            Assert.Throws<ArgumentNullException>(() => Book.Create(validId, null));
+        }
+
+        [Test]
+        public void Create_WithValidParametersPublication_ShouldReturnBook()
+        {
+            var publisher = Publisher.Create("dummy");
+            var publication = Publication.Create("dummy","dummy", publisher, "dummy");
+            var validId = "1";
+            IBook book = Book.Create(validId, publication);
+            Assert.NotNull(book);
+        }
+    }
+}
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/Core/LibraryTests.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem.Tests/Core/LibraryTests.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,374 @@
+using System;
+using System.Collections.Generic;
+using LibrarySystem.Core;
+using LibrarySystem.Interfaces;
+using NUnit.Framework;
+
+namespace LibrarySystem.Tests.Core
+{
+    [TestFixture]
+    public class LibraryTests
+    {
+        #region Factory methods to setup fixed scenario for testing
+        
+        // Factory that creates:
+        //      A library object with 10 books (2 x Lord of the Flies, 3 x 1984, 5 x Brave New World)
+        private ILibrary CreateLibraryScenario()
+        {
+            #region Publisher
+
+            IPublisher penguin = Publisher.Create("Penguin");
+            
+            #endregion
+
+            #region Publications
+
+            IPublication lordOfTheFlies = Publication.Create("William Golding", "0140283331", penguin, "Lord of the Flies");
+
+            IPublication nineteenEightyFour = Publication.Create("George Orwell", "0452284236", penguin, "Nineteen Eighty-Four");
+
+            IPublication braveNewWorld = Publication.Create("Aldous Huxley", "0060850523", penguin, "Brave New World");
+
+            #endregion
+
+            #region Books
+
+            // Lord of the flies
+            IBook book1 = Book.Create("0000001", lordOfTheFlies);
+            IBook book2 = Book.Create("0000002", lordOfTheFlies);
+            IBook book3 = Book.Create("0000003", lordOfTheFlies);
+
+            // 1984
+            IBook book4 = Book.Create("0000004", nineteenEightyFour);
+            IBook book5 = Book.Create("0000005", nineteenEightyFour); 
+
+            // Brave new world
+            IBook book6 = Book.Create("0000006", braveNewWorld);
+            IBook book7 = Book.Create("0000007", braveNewWorld);
+            IBook book8 = Book.Create("0000008", braveNewWorld);
+            IBook book9 = Book.Create("0000009", braveNewWorld);
+            IBook book10 = Book.Create("0000010", braveNewWorld);
+
+            #endregion
+            
+            #region Library
+
+            ILibrary library = Library.Create("Leicester Square");
+            library.AddStock(book1, book2, book3, book4, book5, book6, book7, book8, book9, book10);
+
+            #endregion
+
+            return library;
+        }
+
+        public IBook CreateBook(string bookId = "dummy")
+        {
+            IPublisher publisher = Publisher.Create("dummy");
+            IPublication publication = Publication.Create("dummy", "dummy", publisher, "dummy");
+            IBook book = Book.Create(bookId, publication);
+            return book;
+        }
+
+        #endregion
+
+        #region Create
+
+        [Test]
+        public void Create_WithNullLocation_ThrowsArgumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Library.Create(null));
+        }
+
+        #endregion
+
+        #region AddStock
+
+        [Test]
+        public void AddStock_WithNullBook_ShouldThrowArgumentNullException()
+        {
+            var library = CreateLibraryScenario();
+            Assert.Throws<ArgumentNullException>(() => library.AddStock(null));
+        }
+
+        [Test]
+        public void AddStock_WithOneValidBookAndOneNullBook_ShouldThrowArgumentNullException()
+        {
+            var library = CreateLibraryScenario();
+            var validBook = CreateBook();
+            Assert.Throws<ArgumentNullException>(() => library.AddStock(validBook, null));
+        }
+
+        [Test]
+        public void AddStock_WithValidBook_ShouldIncreaseStockListCountByOne()
+        {
+            //arrange
+            var library = CreateLibraryScenario();
+            var expected = library.StockList.Count + 1;
+            var dummyBook = CreateBook();
+
+            //act
+            library.AddStock(dummyBook);
+            var actual = library.StockList.Count;
+
+            //assert
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void AddStock_WithBookIdAlreadyInStock_ShouldThrowException()
+        {
+            //arrange
+            var library = CreateLibraryScenario();
+            var idThatIsAlreadyInStock = "0000001";
+            var dummyBook = CreateBook(idThatIsAlreadyInStock);
+
+            //act
+            Assert.Throws<Exception>(
+                () => library.AddStock(dummyBook), 
+                string.Format("Book with {0} is already in stock", idThatIsAlreadyInStock));
+        }
+
+        [Test]
+        public void AddStock_WithValidBook_ShouldMakeBookAvailable()
+        {
+            //arrange
+            var library = CreateLibraryScenario();
+            var id = "0000001";
+            var dummyBook = CreateBook();
+
+            //act
+            library.AddStock(dummyBook);
+            var lookupBook = ((List<IStock>) library.StockList).Find(s => s.Book.Id == id);
+            var actual = lookupBook.IsAvailable;
+
+            //assert
+            Assert.IsTrue(actual);
+        }
+
+        #endregion
+
+        #region IsBookAvailableByISBN
+
+        [Test]
+        public void IsBookAvailableByISBN_WithNullISBN_ShouldThrowArgumentNullExpection()
+        {
+            var library = CreateLibraryScenario();
+            Assert.Throws<ArgumentNullException>(() => library.IsBookAvailableByISBN(null));
+        }
+
+        [Test]
+        public void IsBookAvailableByISBN_WithValidISBN_ShouldReturnTrue()
+        {
+            var library = CreateLibraryScenario();
+
+            // Lord of the flies
+            var validISBN = "0140283331";
+
+            var actual = library.IsBookAvailableByISBN(validISBN);
+
+            Assert.IsTrue(actual);
+        }
+
+        [Test]
+        public void IsBookAvailableByISBN_WithUnknownISBN_ShouldReturnFalse()
+        {
+            var library = CreateLibraryScenario();
+
+            // rubbish data
+            var unknownISBN = "X";
+
+            var actual = library.IsBookAvailableByISBN(unknownISBN);
+
+            Assert.IsFalse(actual);
+        }
+
+        #endregion
+
+        #region FindBooks
+
+        [Test]
+        public void FindBooks_WhenNullSearchString_ShouldThrowArgumentNullExpection()
+        {
+            var library = CreateLibraryScenario();
+            Assert.Throws<ArgumentNullException>(() => library.FindBooks(null));
+        }
+
+
+        [Test]
+        public void FindBooks_WithValidSearchTitleString_ShouldReturnCorrectNumberOfBooks()
+        {
+            var library = CreateLibraryScenario();
+
+            // good search string
+            var searchString = "Flies";
+
+            // number of Lord of the Flies books expected
+            var expected = 3;
+            var actual = library.FindBooks(searchString).Count;
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void FindBooks_WithValidSearchTitleStringLowerCase_ShouldReturnCorrectNumberOfBooks()
+        {
+            var library = CreateLibraryScenario();
+
+            // good search string
+            var searchString = "flies";
+
+            // number of Lord of the Flies books expected
+            var expected = 3;
+            var actual = library.FindBooks(searchString).Count;
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void FindBooks_WithValidSearchStringMultiplePublications_ShouldReturnCorrectNumberOfBooks()
+        {
+            var library = CreateLibraryScenario();
+
+            // good search string
+            var searchString = "e";
+
+            // number of Lord of the Flies books expected
+            var expected = 10;
+            var actual = library.FindBooks(searchString).Count;
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void FindBooks_WithValidSearchAuthorString_ShouldReturnCorrectNumberOfBooks()
+        {
+            var library = CreateLibraryScenario();
+
+            // number of Brave New World books expected
+            var expected = 5;
+            var searchString = "ldous";
+
+            var actual = library.FindBooks(searchString).Count;
+
+            Assert.AreEqual(expected, actual);
+        }
+
+        [Test]
+        public void FindBooks_WithInvalidSearchString_ShouldBeEmpty()
+        {
+            var library = CreateLibraryScenario();
+
+            // rubbish data
+            var searchString = "XYZ";
+
+            var actual = library.FindBooks(searchString);
+
+            Assert.IsEmpty(actual);
+        }
+
+        #endregion
+
+        #region GetBookById
+
+        [Test]
+        public void GetBookById_WhenNullId_ShouldThrowArgumentNullExpection()
+        {
+            var library = CreateLibraryScenario();
+            Assert.Throws<ArgumentNullException>(() => library.GetBookById(null));
+        }
+
+        [Test]
+        public void GetBookById_WhenValidId_ShouldReturnBook()
+        {
+            var library = CreateLibraryScenario();
+            var validBookId = "0000001";
+            var book = library.GetBookById(validBookId);
+            Assert.IsNotNull(book);
+        }
+
+        [Test]
+        public void GetBookById_WhenValidId_ShouldReturnNull()
+        {
+            var library = CreateLibraryScenario();
+            var invalidBookId = "X";
+            var book = library.GetBookById(invalidBookId);
+            Assert.IsNull(book);
+        }
+
+        #endregion
+
+        #region LendBook
+
+        [Test]
+        public void LendBook_ShouldMakeBookInLibraryStockListUnavailable()
+        {
+            //arrange 
+            var library = CreateLibraryScenario();
+            var person = CreatePerson();
+            var bookId = "0000001";
+
+            // act
+            library.LendBook(person, bookId);
+            var lookupBook = ((List<IStock>) library.StockList).Find(s => s.Book.Id == bookId);
+            var actual = lookupBook.IsAvailable;
+
+            // assert
+            Assert.IsFalse(actual);
+        }
+
+        private IPerson CreatePerson()
+        {
+            var person = Person.Create("dummy", "dummy");
+            return person;
+        }
+
+        [Test]
+        public void LendBook_WithNullPerson_ShouldThrowArgumentNullException()
+        {
+            //arrange 
+            var library = CreateLibraryScenario();
+            var id = "dummy";
+
+            // act & assert
+            Assert.Throws<ArgumentNullException>(() => library.LendBook(null, id));
+        }
+
+        [Test]
+        public void LendBook_WithNullBook_ShouldThrowArgumentNullException()
+        {
+            //arrange 
+            var library = CreateLibraryScenario();
+            var person = CreatePerson();
+
+            // act & assert
+            Assert.Throws<ArgumentNullException>(() => library.LendBook(person, null));
+        }
+
+        [Test]
+        public void LendBook_WithNullBookAndNullPerson_ShouldThrowArgumentNullException()
+        {
+            //arrange 
+            var library = CreateLibraryScenario();
+
+            // act & assert
+            Assert.Throws<ArgumentNullException>(() => library.LendBook(null, null));
+        }
+
+        [Test]
+        public void LendBook_WithUnknownBook_ShouldThrowArgumentException()
+        {
+            //arrange 
+            var library = CreateLibraryScenario();
+            var person = CreatePerson();
+            var id = "dummy";
+
+            // act & assert
+            Assert.Throws<Exception>(
+                () => library.LendBook(person, id), 
+                string.Format("Book id {0} is not in stock", id));
+        }
+
+        #endregion
+        
+    }
+}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/Core/PersonTests.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem.Tests/Core/PersonTests.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,35 @@
+using System;
+using LibrarySystem.Core;
+using NUnit.Framework;
+
+namespace LibrarySystem.Tests.Core
+{
+    [TestFixture]
+    class PersonTests
+    {
+        [Test]
+        public void Create_WithValidParams_ShouldReturnPerson()
+        {
+            var person = Person.Create("dummy", "dummy");
+            Assert.IsNotNull(person);
+        }
+
+        [Test]
+        public void Create_WithNullAddress_ShouldThrowAgrumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Person.Create(null, "dummy"));   
+        }
+        
+        [Test]
+        public void Create_WithNullName_ShouldThrowAgrumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Person.Create("dummy", null));
+        }
+
+        [Test]
+        public void Create_WithNullAddressAndName_ShouldThrowAgrumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Person.Create(null, null));
+        }
+    }
+}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/Core/PublicationTests.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem.Tests/Core/PublicationTests.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,45 @@
+using System;
+using LibrarySystem.Core;
+using NUnit.Framework;
+
+namespace LibrarySystem.Tests.Core
+{
+    [TestFixture]
+    class PublicationTests
+    {
+        [Test]
+        public void Create_WithValidParams_ShouldReturnPublication()
+        {
+            var publisher = Publisher.Create("dummy");
+            var publication = Publication.Create("dummy","dummy", publisher, "dummy");
+            Assert.IsNotNull(publication);
+        }
+
+        [Test]
+        public void Create_WithNullAuthor_ShouldThrowAgrumentNullException()
+        {
+            var publisher = Publisher.Create("dummy");
+            Assert.Throws<ArgumentNullException>(() => Publication.Create(null, "dummy", publisher, "dummy"));
+        }
+
+        [Test]
+        public void Create_WithNullISBN_ShouldThrowAgrumentNullException()
+        {
+            var publisher = Publisher.Create("dummy");
+            Assert.Throws<ArgumentNullException>(() => Publication.Create("dummy", null, publisher, "dummy"));
+        }
+
+        [Test]
+        public void Create_WithNullPublisher_ShouldThrowAgrumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Publication.Create("dummy","dummy", null, "dummy"));
+        }
+
+        [Test]
+        public void Create_WithNullTitle_ShouldThrowAgrumentNullException()
+        {
+            var publisher = Publisher.Create("dummy");
+            Assert.Throws<ArgumentNullException>(() => Publication.Create("dummy", "dummy", publisher, null));
+        }
+    }
+}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/Core/PublisherTests.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem.Tests/Core/PublisherTests.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,23 @@
+using System;
+using LibrarySystem.Core;
+using NUnit.Framework;
+
+namespace LibrarySystem.Tests.Core
+{
+    [TestFixture]
+    class PublisherTests
+    {
+        [Test]
+        public void Create_WithValidName_ShouldReturnPublisher()
+        {
+            var publisher = Publisher.Create("dummy");
+            Assert.IsNotNull(publisher);
+        }
+
+        [Test]
+        public void Create_WithNullName_ShouldThrowAgrumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Publisher.Create(null));
+        }
+    }
+}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/Core/StockTests.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem.Tests/Core/StockTests.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,26 @@
+using System;
+using LibrarySystem.Core;
+using NUnit.Framework;
+
+namespace LibrarySystem.Tests.Core
+{
+    [TestFixture]
+    class StockTests
+    {
+        [Test]
+        public void Create_WithValidName_ShouldReturnPublisher()
+        {
+            var publisher = Publisher.Create("dummy");
+            var publication = Publication.Create("dummy","dummy", publisher, "dummy");
+            var book = Book.Create("dummy", publication);
+            var stock = Stock.Create(book, true);
+            Assert.IsNotNull(stock);
+        }
+
+        [Test]
+        public void Create_WithNullBook_ShouldThrowAgrumentNullException()
+        {
+            Assert.Throws<ArgumentNullException>(() => Stock.Create(null, true));
+        }
+    }
+}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/LibrarySystem.Tests.csproj
--- a/Library/LibrarySystem.Tests/LibrarySystem.Tests.csproj	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem.Tests/LibrarySystem.Tests.csproj	Wed Apr 04 19:20:20 2012 +0100
@@ -12,6 +12,8 @@
     <AssemblyName>LibrarySystem.Tests</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\Library\</SolutionDir>
+    <RestorePackages>true</RestorePackages>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -38,8 +40,13 @@
     <Reference Include="System.Core" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="LibrarySystemTests.cs" />
+    <Compile Include="Core\BookTests.cs" />
+    <Compile Include="Core\LibraryTests.cs" />
+    <Compile Include="Core\PersonTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Core\PublicationTests.cs" />
+    <Compile Include="Core\PublisherTests.cs" />
+    <Compile Include="Core\StockTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\LibrarySystem\LibrarySystem.csproj">
@@ -51,6 +58,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Import Project="$(SolutionDir)\.nuget\nuget.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem.Tests/LibrarySystemTests.cs
--- a/Library/LibrarySystem.Tests/LibrarySystemTests.cs	Tue Apr 03 23:32:40 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,204 +0,0 @@
-using LibrarySystem.Core;
-using LibrarySystem.Interfaces;
-using NUnit.Framework;
-
-namespace LibrarySystem.Tests
-{
-    [TestFixture]
-    public class LibraryTests
-    {
-        /*
-         * Factory that creates:
-         *      Library with 10 books (2 x Lord of the Flies, 3 x 1984, 5 x Brave New World)
-        */
-        private ILibrary CreateScenario()
-        {
-            #region Publisher
-
-            IPublisher penguin = new Publisher() {Name = "Penguin"};
-            
-            #endregion
-
-            #region Publications
-
-            IPublication lordOfTheFlies = new Publication()
-            {
-                Author = "William Golding",
-                ISBN = "0140283331",
-                Publisher = penguin,
-                Title = "Lord of the Flies"
-            };
-
-            IPublication nineteenEightyFour = new Publication()
-            {
-                Author = "George Orwell",
-                ISBN = "0452284236",
-                Title = "Nineteen Eighty-Four"
-            };
-
-            IPublication braveNewWorld = new Publication()
-            {
-                Author = "Aldous Huxley",
-                ISBN = "0060850523",
-                Title = "Brave New World"
-            };
-
-            #endregion
-
-            #region Books
-
-            // Lord of the flies
-            IBook book1 = new Book(lordOfTheFlies)
-                {Id = "0000001", CurrentFee = 1.25m};
-            IBook book2 = new Book(lordOfTheFlies)
-                {Id = "0000002", CurrentFee = 1.25m};
-            IBook book3 = new Book(lordOfTheFlies)
-                {Id = "0000003", CurrentFee = 1.25m};
-
-            // 1984
-            IBook book4 = new Book(nineteenEightyFour)
-                {Id = "0000004", CurrentFee = 1.5m};
-            IBook book5 = new Book(nineteenEightyFour)
-                {Id = "0000005", CurrentFee = 1.5m};
-
-            // Brave new world
-            IBook book6 = new Book(braveNewWorld)
-                {Id = "0000006", CurrentFee = 1.8m};
-            IBook book7 = new Book(braveNewWorld)
-                {Id = "0000007", CurrentFee = 1.8m};
-            IBook book8 = new Book(braveNewWorld)
-                {Id = "0000008", CurrentFee = 1.8m};
-            IBook book9 = new Book(braveNewWorld)
-                {Id = "0000009", CurrentFee = 1.8m};
-            IBook book10 = new Book(braveNewWorld)
-                {Id = "0000010", CurrentFee = 1.8m};
-
-            #endregion
-            
-            #region Library
-
-            ILibrary library = new Library();
-            library.Location = "Leicester Square";
-            library.AddStock(book1, book2, book3, book4, book5, book6, book7, book8, book9, book10);
-
-            #endregion
-
-            return library;
-        }
-
-        [Test]
-        public void AddStockShouldIncreaseStockListCountByOne()
-        {
-            //arrange
-            var library = new Library();
-            var expected = library.StockList.Count + 1;
-            var dummyBook = new Book(new Publication());
-
-            //act
-            library.AddStock(dummyBook);
-            var actual = library.StockList.Count;
-
-            //assert
-            Assert.AreEqual(expected, actual);
-        }
-
-        [Test]
-        public void SearchForAvailableBookByIBSNShouldReturnTrue()
-        {
-            var library = CreateScenario();
-
-            // Lord of the flies
-            var validISBN = "0140283331";
-
-            var actual = library.IsBookAvailableByISBN(validISBN);
-
-            Assert.IsTrue(actual);
-        }
-
-        [Test]
-        public void SearchForUnavailableBookByIBSNShouldReturnFalse()
-        {
-            var library = CreateScenario();
-
-            // rubbish data
-            var invalidISBN = "X";
-
-            var actual = library.IsBookAvailableByISBN(invalidISBN);
-
-            Assert.IsFalse(actual);
-        }
-
-        [Test]
-        public void FindBooksByValidSearchTitleString()
-        {
-            var library = CreateScenario();
-
-            // good search string
-            var searchString = "Flies";
-
-            // number of Lord of the Flies books expected
-            var expected = 3;
-            var actual = library.FindBooks(searchString).Count;
-
-            Assert.AreEqual(expected, actual);
-        }
-
-
-        [Test]
-        public void FindBooksByValidSearchTitleStringLowerCase()
-        {
-            var library = CreateScenario();
-
-            // good search string
-            var searchString = "flies";
-
-            // number of Lord of the Flies books expected
-            var expected = 3;
-            var actual = library.FindBooks(searchString).Count;
-
-            Assert.AreEqual(expected, actual);
-        }
-
-        [Test]
-        public void FindBooksByValidSearchStringMultiplePublications()
-        {
-            var library = CreateScenario();
-
-            // good search string
-            var searchString = "e";
-
-            // number of Lord of the Flies books expected
-            var expected = 10;
-            var actual = library.FindBooks(searchString).Count;
-
-            Assert.AreEqual(expected, actual);
-        }
-
-        [Test]
-        public void FindBooksByValidSearchAuthorString()
-        {
-            var library = CreateScenario();
-
-            // number of Brave New World books expected
-            var expected = 5;
-            var searchString = "ldous";
-
-            var actual = library.FindBooks(searchString).Count;
-
-            Assert.AreEqual(expected, actual);
-        }
-
-        [Test]
-        public void FindBooksByInvalidSearchString()
-        {
-            var library = CreateScenario();
-
-            // rubbish data
-            var searchString = "XYZ";
-
-            var actual = library.FindBooks(searchString);
-
-            Assert.IsEmpty(actual);            
-        }
-    }
-}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Book.cs
--- a/Library/LibrarySystem/Core/Book.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Core/Book.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System;
 using LibrarySystem.Interfaces;
 
 namespace LibrarySystem.Core
@@ -10,16 +10,25 @@
         public IPublisher Publisher { get; set; }
         public string Title { get; set; }
         public string Id { get; set; }
-        public decimal CurrentFee { get; set; }
-        public IList<IRental> RentalHistory { get; set; }
 
-        public Book(IPublication publication)
+        private Book()
+        {
+            
+        }
+
+        public static IBook Create(string id, IPublication publication)
         {
-            Author = publication.Author;
-            ISBN = publication.ISBN;
-            Title = publication.Title;
-            Publisher = publication.Publisher;
-            RentalHistory = new List<IRental>(0);
+            if (id == null || publication == null)
+                throw new ArgumentNullException();
+
+            return new Book()
+                       {
+                           Author = publication.Author,
+                           Id = id,
+                           ISBN = publication.ISBN,
+                           Title = publication.Title,
+                           Publisher = publication.Publisher
+                       };
         }
     }
 }
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Library.cs
--- a/Library/LibrarySystem/Core/Library.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Core/Library.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using LibrarySystem.Interfaces;
 
@@ -6,30 +7,55 @@
 {
     public class Library : ILibrary
     {
-        public string Location { get; set; }
-        public IList<IStock> StockList { get; set; }
+        public string Location { get; private set; }
+        public IList<IStock> StockList { get; private set; }
+
+        private Library()
+        {
+        }
 
-        public Library()
+        public static ILibrary Create(string location)
         {
-            StockList = new List<IStock>(0);
+            if (location == null)
+                throw new ArgumentNullException();
+
+            return new Library() {Location = location, StockList = new List<IStock>(0)};
         }
 
         public void AddStock(params IBook[] books)
         {
+            if (books == null)
+                throw new ArgumentNullException();
+
             var stock = new List<IStock>(StockList.Count + books.Length);
 
             stock.AddRange(StockList);
 
             foreach (var book in books)
             {
-                stock.Add(new Stock() { Book = book, IsAvailable = true });
+                if (book == null)
+                    throw new ArgumentNullException();
+
+                ThrowExceptionIfBookIsAlreadyInStock(book);
+
+                stock.Add(Stock.Create(book, true));
             }
 
             StockList = stock;
         }
 
+        private void ThrowExceptionIfBookIsAlreadyInStock(IBook book)
+        {
+            var lookup = ((List<IStock>) StockList).Find(s => s.Book.Id == book.Id);
+            if (lookup != null)
+                throw new Exception(string.Format("Book id {0} is already in stock", book.Id));
+        }
+
         public bool IsBookAvailableByISBN(string isbn)
         {
+            if (isbn == null)
+                throw new ArgumentNullException();
+
             var qry = from books in StockList
                       where books.Book.ISBN == isbn 
                             & books.IsAvailable
@@ -40,6 +66,9 @@
 
         public IList<IStock> FindBooks(string searchString)
         {
+            if (searchString == null)
+                throw new ArgumentNullException();
+
             searchString = searchString.ToLower();
 
             var qry = from books in StockList
@@ -50,9 +79,38 @@
             return qry.ToList();
         }
 
-        public void LendBook(IPerson person, IBook book)
+        public IBook GetBookById(string id)
         {
-            throw new System.NotImplementedException();
+            if (id == null)
+                throw new ArgumentNullException();
+
+            id = id.ToLower();
+
+            var qry = from books in StockList
+                      where books.Book.Id.ToLower() == id
+                      select books.Book;
+
+            return qry.FirstOrDefault();
+        }
+
+
+        public void LendBook(IPerson person, string id)
+        {
+            if (person == null || id == null)
+                throw new ArgumentNullException();
+
+            var stock = ThrowExceptionIfBookIsNotInStock(id);
+            stock.IsAvailable = false;
+
+            // FUTURE: register with person that they have borrowed the book
+        }
+
+        private IStock ThrowExceptionIfBookIsNotInStock(string id)
+        {
+            var lookup = ((List<IStock>) StockList).Find(s => s.Book.Id == id);
+            if (lookup == null)
+                throw new Exception(string.Format("Book with id {0} is not in stock", id));
+            return lookup;
         }
     }
 }
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Person.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Library/LibrarySystem/Core/Person.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -0,0 +1,24 @@
+using System;
+using LibrarySystem.Interfaces;
+
+namespace LibrarySystem.Core
+{
+    public class Person : IPerson
+    {
+        public string Address { get; private set; }
+        public string Name { get; private set; }
+
+        private Person()
+        {
+            
+        }
+
+        public static IPerson Create(string address, string name)
+        {
+            if (address == null || name == null)
+                throw new ArgumentNullException();
+
+            return new Person() { Address = address, Name = name};
+        }
+    }
+}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Publication.cs
--- a/Library/LibrarySystem/Core/Publication.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Core/Publication.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,13 +1,33 @@
-using LibrarySystem.Interfaces;
+using System;
+using LibrarySystem.Interfaces;
 
 namespace LibrarySystem.Core
 {
     public class Publication : IPublication
     {
-        public string Author { get; set; }
-        public string ISBN { get; set; }
-        public IPublisher Publisher { get; set; }
-        public string Title { get; set; }
+        public string Author { get; private set; }
+        public string ISBN { get; private set; }
+        public IPublisher Publisher { get; private set; }
+        public string Title { get; private set; }
+
+        private Publication()
+        {
+            
+        }
+
+        public static IPublication Create(string author, string isbn, IPublisher publisher, string title)
+        {
+            if (author == null || isbn == null || publisher == null || title == null)
+                throw new ArgumentNullException();
+
+            return new Publication()
+                       {
+                           Author = author,
+                           ISBN = isbn,
+                           Publisher = publisher,
+                           Title = title
+                       };
+        }
     }
 
 }
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Publisher.cs
--- a/Library/LibrarySystem/Core/Publisher.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Core/Publisher.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,9 +1,23 @@
-using LibrarySystem.Interfaces;
+using System;
+using LibrarySystem.Interfaces;
 
 namespace LibrarySystem.Core
 {
     public class Publisher : IPublisher
     {
-        public string Name { get; set; }
+        public string Name { get; private set; }
+
+        private Publisher()
+        {
+            
+        }
+
+        public static IPublisher Create(string name)
+        {
+            if (name == null)
+                throw new ArgumentNullException();
+
+            return new Publisher() { Name = name };
+        }
     }
 }
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Rental.cs
--- a/Library/LibrarySystem/Core/Rental.cs	Tue Apr 03 23:32:40 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,15 +0,0 @@
-using System;
-using LibrarySystem.Interfaces;
-
-namespace LibrarySystem.Core
-{
-    public class Rental : IRental
-    {
-        public DateTime ActualCheckIn { get; set; }
-        public IBook Book { get; set; }
-        public DateTime CheckOut { get; set; }
-        public DateTime ExpectedCheckIn { get; set; }
-        public decimal Fee { get; set; }
-        public IPerson Person { get; set; }
-    }
-}
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Core/Stock.cs
--- a/Library/LibrarySystem/Core/Stock.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Core/Stock.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,10 +1,24 @@
-using LibrarySystem.Interfaces;
+using System;
+using LibrarySystem.Interfaces;
 
 namespace LibrarySystem.Core
 {
     public class Stock : IStock
     {
+        public IBook Book { get; private set; }
         public bool IsAvailable { get; set; }
-        public IBook Book { get; set; }
+
+        private Stock()
+        {
+            
+        }
+
+        public static IStock Create(IBook book, bool isAvailable)
+        {
+            if (book == null)
+                throw new ArgumentNullException();
+
+            return new Stock() {Book = book, IsAvailable = isAvailable};
+        }
     }
 }
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Diagrams/Overview.cd
--- a/Library/LibrarySystem/Diagrams/Overview.cd	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Diagrams/Overview.cd	Wed Apr 04 19:20:20 2012 +0100
@@ -1,12 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ClassDiagram MajorVersion="1" MinorVersion="1">
-  <Interface Name="LibrarySystem.Interfaces.IRental">
-    <Position X="5.25" Y="3" Width="1.5" />
-    <TypeIdentifier>
-      <HashCode>AIAAAAAAAAAABABgACAAAAAAAgAAAAAAAAAAAAAAAAA=</HashCode>
-      <FileName>Interfaces\IRental.cs</FileName>
-    </TypeIdentifier>
-  </Interface>
   <Interface Name="LibrarySystem.Interfaces.IPublication">
     <Position X="3.5" Y="1" Width="1.5" />
     <TypeIdentifier>
@@ -17,28 +10,28 @@
   <Interface Name="LibrarySystem.Interfaces.IBook">
     <Position X="5.25" Y="1" Width="1.5" />
     <TypeIdentifier>
-      <HashCode>AAACAAAAABAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAA=</HashCode>
+      <HashCode>AAACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</HashCode>
       <FileName>Interfaces\IBook.cs</FileName>
     </TypeIdentifier>
   </Interface>
   <Interface Name="LibrarySystem.Interfaces.IStock">
-    <Position X="7" Y="1" Width="2.25" />
+    <Position X="5.25" Y="2.5" Width="1.5" />
     <TypeIdentifier>
       <HashCode>AAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAIAAAAA=</HashCode>
       <FileName>Interfaces\IStock.cs</FileName>
     </TypeIdentifier>
   </Interface>
   <Interface Name="LibrarySystem.Interfaces.ILibrary">
-    <Position X="9.5" Y="1" Width="1.5" />
+    <Position X="7" Y="1" Width="1.5" />
     <TypeIdentifier>
-      <HashCode>AAAAAAAAAAAAAAAAAAIAgAAEAAAAAAAAAAIAABAAAgA=</HashCode>
+      <HashCode>AAAAAAAAAAAAAAAAAAIAgAAEAAAAgAAAAAIAABAAAgA=</HashCode>
       <FileName>Interfaces\ILibrary.cs</FileName>
     </TypeIdentifier>
   </Interface>
   <Interface Name="LibrarySystem.Interfaces.IPerson">
-    <Position X="7.25" Y="3" Width="1.5" />
+    <Position X="8.75" Y="1" Width="1.5" />
     <TypeIdentifier>
-      <HashCode>AAAAAAAABAAAAAAAAAAAAAQAAAAAAIACAAAAAAAAAAA=</HashCode>
+      <HashCode>AAAAAAAAAAAAAAAAAAAAAAQAAAAAAAACAAAAAAAAAAA=</HashCode>
       <FileName>Interfaces\IPerson.cs</FileName>
     </TypeIdentifier>
   </Interface>
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/IBook.cs
--- a/Library/LibrarySystem/Interfaces/IBook.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Interfaces/IBook.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,11 +1,7 @@
-using System.Collections.Generic;
-
-namespace LibrarySystem.Interfaces
+namespace LibrarySystem.Interfaces
 {
     public interface IBook : IPublication
     {
-        string Id { get; set; }
-        decimal CurrentFee { get; set; }
-        IList<IRental> RentalHistory { get; set; }
+        string Id { get; }
     }
 }
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/ILibrary.cs
--- a/Library/LibrarySystem/Interfaces/ILibrary.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Interfaces/ILibrary.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -4,12 +4,13 @@
 {
     public interface ILibrary
     {
-        string Location { get; set; }
-        IList<IStock> StockList { get; set; }
+        string Location { get; }
+        IList<IStock> StockList { get; }
 
         void AddStock(params IBook[] books);
         bool IsBookAvailableByISBN(string isbn);
         IList<IStock> FindBooks(string searchString);
-        void LendBook(IPerson person, IBook book);
+        IBook GetBookById(string id);
+        void LendBook(IPerson person, string id);
     }
 }
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/IPerson.cs
--- a/Library/LibrarySystem/Interfaces/IPerson.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Interfaces/IPerson.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -1,13 +1,9 @@
-using System.Collections.Generic;
-using LibrarySystem.Core;
-
+
 namespace LibrarySystem.Interfaces
 {
     public interface IPerson
     {
-        string Address { get; set; }
-        decimal CurrentBalance { get; set; }
-        IList<Rental> RentalHistory { get; set; }
-        string Name { get; set; }
+        string Address { get; }
+        string Name { get; }
     }
 }
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/IPublication.cs
--- a/Library/LibrarySystem/Interfaces/IPublication.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Interfaces/IPublication.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -2,9 +2,9 @@
 {
     public interface IPublication
     {
-        string Author { get; set; }
-        string ISBN { get; set; }
-        IPublisher Publisher { get; set; }
-        string Title { get; set; }
+        string Author { get; }
+        string ISBN { get; }
+        IPublisher Publisher { get; }
+        string Title { get; }
     }
 }
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/IPublisher.cs
--- a/Library/LibrarySystem/Interfaces/IPublisher.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Interfaces/IPublisher.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -2,6 +2,6 @@
 {
     public interface IPublisher
     {
-        string Name { get; set; }
+        string Name { get; }
     }
 }
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/IRental.cs
--- a/Library/LibrarySystem/Interfaces/IRental.cs	Tue Apr 03 23:32:40 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,14 +0,0 @@
-using System;
-
-namespace LibrarySystem.Interfaces
-{
-    public interface IRental
-    {
-        DateTime ActualCheckIn { get; set; }
-        IBook Book { get; set; }
-        DateTime CheckOut { get; set; }
-        DateTime ExpectedCheckIn { get; set; }
-        Decimal Fee { get; set; }
-        IPerson Person { get; set; }
-     }
-}
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/Interfaces/IStock.cs
--- a/Library/LibrarySystem/Interfaces/IStock.cs	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/Interfaces/IStock.cs	Wed Apr 04 19:20:20 2012 +0100
@@ -3,6 +3,6 @@
     public interface IStock
     {
         bool IsAvailable { get; set; }
-        IBook Book { get; set; }
+        IBook Book { get; }
     }
 }
\ No newline at end of file
diff -r 0d4aff4f699d -r aef06698d9e2 Library/LibrarySystem/LibrarySystem.csproj
--- a/Library/LibrarySystem/LibrarySystem.csproj	Tue Apr 03 23:32:40 2012 +0100
+++ b/Library/LibrarySystem/LibrarySystem.csproj	Wed Apr 04 19:20:20 2012 +0100
@@ -12,6 +12,8 @@
     <AssemblyName>LibrarySystem</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\Library\</SolutionDir>
+    <RestorePackages>true</RestorePackages>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -36,7 +38,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Core\Book.cs" />
-    <Compile Include="Interfaces\IRental.cs" />
+    <Compile Include="Core\Person.cs" />
     <Compile Include="Interfaces\IBook.cs" />
     <Compile Include="Interfaces\ILibrary.cs" />
     <Compile Include="Interfaces\IPerson.cs" />
@@ -47,13 +49,13 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Core\Publication.cs" />
     <Compile Include="Core\Publisher.cs" />
-    <Compile Include="Core\Rental.cs" />
     <Compile Include="Core\Stock.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Diagrams\Overview.cd" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Import Project="$(SolutionDir)\.nuget\nuget.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff -r 0d4aff4f699d -r aef06698d9e2 PdfViewAndPrint/Libs/AxInterop.AcroPDFLib.dll
Binary file PdfViewAndPrint/Libs/AxInterop.AcroPDFLib.dll has changed