Axel Ahlander

tdd-oop-inheritance.CSharp.Main/Article.cs

@@ -6,37 +6,13 @@
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Article {
+    public class Article : ItemClass{
         public string title;
+        Author author;
 
-        bool onLoan = false;
-
-        public Article(string title) {
+        public Article(string title, Author author) : base(title, author) {
             this.title = title;
-        }
-
-        public bool isOnLoan()  {
-            return onLoan;
-        }
-
-        public string checkIn() {
-            if (!this.isOnLoan()) {
-                return "item is not currently on loan";
-            }
-
-            this.onLoan = false;
-
-            return "item has been checked in";
-        }
-
-        public string checkOut() {
-            if (this.isOnLoan()) {
-                return "item is currently on loan";
-            }
-
-            this.onLoan = true;
-
-            return "item has been checked out";
-        }
+            this.author = author;
+        }       
     }
 }

tdd-oop-inheritance.CSharp.Main/Author.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_oop_inheritance.CSharp.Main
+{
+    public class Author
+{
+        public string name;
+        public string contactInfo;
+        public string? website;
+
+
+        public Author(string _name, string _contactInfo, string? _website)
+        {
+            name = _name;
+            contactInfo = _contactInfo;
+            website = _website;
+        }
+}
+}

tdd-oop-inheritance.CSharp.Main/Book.cs

@@ -6,37 +6,14 @@
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Book {
+    public class Book : ItemClass
+    {
         public string title;
-
-        bool onLoan = false;
-
-        public Book(string title) {
+        Author author;
+        public Book(string title, Author author) : base(title, author)
+        {
             this.title = title;
-        }
-
-        public bool isOnLoan() {
-            return onLoan;
-        }
-
-        public string checkIn() {
-            if (!this.isOnLoan()) {
-                return "item is not currently on loan";
-            }
-
-            this.onLoan = false;
-
-            return "item has been checked in";
-        }
-
-        public string checkOut() {
-            if (this.isOnLoan()) {
-                return "item is currently on loan";
-            }
-
-            this.onLoan = true;
-
-            return "item has been checked out";
+            this.author = author;
         }
     }
 }

tdd-oop-inheritance.CSharp.Main/ItemClass.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_oop_inheritance.CSharp.Main
+{
+    public class ItemClass
+{
+        public string title;
+        bool onLoan;
+        Author? author;
+        public ItemClass(string title, Author? author)
+        {
+            this.title = title;
+            this.author = author;
+        }
+
+        public bool isOnLoan()
+        {
+            return onLoan;
+        }
+
+        public virtual string checkIn()
+        {
+            if (!this.isOnLoan())
+            {
+                return "item is not currently on loan";
+            }
+
+            this.onLoan = false;
+
+            return "item has been checked in";
+        }
+
+        public virtual string checkOut()
+        {
+            if (this.isOnLoan())
+            {
+                return "item is currently on loan";
+            }
+
+            this.onLoan = true;
+
+            return "item has been checked out";
+        }
+
+        public Author returnAuthor()
+        {
+            return author;
+        }
+    }
+}

tdd-oop-inheritance.CSharp.Main/Newspaper.cs

@@ -6,25 +6,23 @@
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Newspaper
+    public class Newspaper : ItemClass
     {
         public string title;
 
-        Boolean onLoan = false;
+        public bool onLoan;
 
-        public Newspaper(string title) {
+        public Newspaper(string title) : base(title, null){
             this.title = title;
         }
 
-        public bool isOnLoan() {
-            return onLoan;
-        }
-
-        public string checkIn() {
+        public override string checkIn()
+        {
             return "newspapers are not available for loan";
         }
 
-        public string checkOut() {
+        public override string checkOut()
+        {
             return "newspapers are not available for loan";
         }
     }

tdd-oop-inheritance.CSharp.Test/ArticleTest.cs

@@ -8,23 +8,26 @@ class ArticleTest
         [Test]
         public void shouldCheckOutIfAvailable()
             {
-                Article article = new Article("JUnit Rocks");
-                Assert.AreEqual("item has been checked out", article.checkOut());
+                Author author = new Author("Axel", "95901753", "www.com");
+                ItemClass item = new Article("JUnit Rocks", author);
+                Assert.AreEqual("item has been checked out", item.checkOut());
             }
 
         [Test]
         public void shouldDeclineIfNotAvailableToCheckout()
             {
-                Article article = new Article("JUnit Rocks");
-                article.checkOut();
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass item = new Article("JUnit Rocks", author);
+                item.checkOut();
 
-                Assert.AreEqual("item is currently on loan", article.checkOut());
+                Assert.AreEqual("item is currently on loan", item.checkOut());
             }
 
         [Test]
         public void shouldCheckInIfOnLoan()
             {
-                Article article = new Article("JUnit Rocks");
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass article = new Article("JUnit Rocks", author);
                 article.checkOut();
 
                 Assert.AreEqual("item has been checked in", article.checkIn());
@@ -33,9 +36,21 @@ public void shouldCheckInIfOnLoan()
         [Test]
         public void shouldDeclineCheckInIfNotOnLoan()
             {
-                Article article = new Article("JUnit Rocks");
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass article = new Article("JUnit Rocks", author);
 
                 Assert.AreEqual("item is not currently on loan", article.checkIn());
             }
+
+        [Test]
+        public void getAuthorForBook()
+        {
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass book = new Book("What", author);
+
+            Assert.That(book.returnAuthor(), Is.EqualTo(author));
+
+
+        }
     }
 }

tdd-oop-inheritance.CSharp.Test/BookTest.cs

@@ -8,34 +8,47 @@ public class BookTest
         [Test]
         public void shouldCheckOutIfAvailable()
         {
-            Book book = new Book("JUnit Rocks");
-            Assert.AreEqual("item has been checked out", book.checkOut());
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass item = new Book("JUnit Rocks", author);
+            Assert.AreEqual("item has been checked out", item.checkOut());
         }
 
         [Test]
         public void shouldDeclineIfNotAvailableToCheckout()
         {
-            Book book = new Book("JUnit Rocks");
-            book.checkOut();
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass item = new Book("JUnit Rocks", author);
+            item.checkOut();
 
-            Assert.AreEqual("item is currently on loan", book.checkOut());
+            Assert.AreEqual("item is currently on loan", item.checkOut());
         }
 
         [Test]
         public void shouldCheckInIfOnLoan()
         {
-            Book book = new Book("JUnit Rocks");
-            book.checkOut();
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass article = new Book("JUnit Rocks", author);
+            article.checkOut();
 
-            Assert.AreEqual("item has been checked in", book.checkIn());
+            Assert.AreEqual("item has been checked in", article.checkIn());
         }
 
         [Test]
         public void shouldDeclineCheckInIfNotOnLoan()
         {
-            Book book = new Book("JUnit Rocks");
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass article = new Book("JUnit Rocks", author);
 
-            Assert.AreEqual("item is not currently on loan", book.checkIn());
+            Assert.AreEqual("item is not currently on loan", article.checkIn());
+        }
+
+        [Test]
+        public void getAuthorName()
+        {
+            Author author = new Author("Axel", "95901753", "www.com");
+            ItemClass article = new Book("JUnit Rocks", author);
+            string name = author.name;
+            Assert.That(name == article.returnAuthor().name);
         }
     }
 }

tdd-oop-inheritance.CSharp.Test/NewspaperTest.cs

@@ -8,15 +8,22 @@ public class NewspaperTest
         [Test]
         public void shouldBeUnavailableForCheckIn()
         {
-            Newspaper newspaper = new Newspaper("The Daily Java");
+            ItemClass newspaper = new Newspaper("The Daily Java");
             Assert.AreEqual("newspapers are not available for loan", newspaper.checkIn());
         }
 
         [Test]
         public void shouldBeUnavailableForCheckOut()
         {
-            Newspaper newspaper = new Newspaper("The Daily Java");
+            ItemClass newspaper = new Newspaper("The Daily Java");
             Assert.AreEqual("newspapers are not available for loan", newspaper.checkOut());
         }
+
+        [Test]
+        public void noAuthor()
+        {
+            ItemClass newspaper = new Newspaper("Ye");
+            Assert.That(newspaper.returnAuthor(), Is.Null);
+        }
     }
 }