Keep structuring tests

src/Umbraco.Tests/Misc/HashCodeCombinerTests.cs

@@ -0,0 +1,145 @@
+using System;
+using System.IO;
+using System.Reflection;
+using NUnit.Framework;
+using Umbraco.Core;
+
+namespace Umbraco.Tests.Misc
+{
+	[TestFixture]
+	public class HashCodeCombinerTests 
+	{
+
+		private DirectoryInfo PrepareFolder()
+		{
+			var assDir = new FileInfo(Assembly.GetExecutingAssembly().Location).Directory;
+			var dir = Directory.CreateDirectory(Path.Combine(assDir.FullName, "HashCombiner", Guid.NewGuid().ToString("N")));
+			foreach (var f in dir.GetFiles())
+			{
+				f.Delete();
+			}
+			return dir;
+		}
+
+		[Test]
+		public void HashCombiner_Test_String()
+		{
+			var combiner1 = new HashCodeCombiner();
+			combiner1.AddCaseInsensitiveString("Hello");
+
+			var combiner2 = new HashCodeCombiner();
+			combiner2.AddCaseInsensitiveString("hello");
+
+			Assert.AreEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+
+			combiner2.AddCaseInsensitiveString("world");
+
+			Assert.AreNotEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+		}
+
+		[Test]
+		public void HashCombiner_Test_Int()
+		{
+			var combiner1 = new HashCodeCombiner();
+			combiner1.AddInt(1234);
+
+			var combiner2 = new HashCodeCombiner();
+			combiner2.AddInt(1234);
+
+			Assert.AreEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+
+			combiner2.AddInt(1);
+
+			Assert.AreNotEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+		}
+
+		[Test]
+		public void HashCombiner_Test_DateTime()
+		{
+			var dt = DateTime.Now;
+			var combiner1 = new HashCodeCombiner();
+			combiner1.AddDateTime(dt);
+
+			var combiner2 = new HashCodeCombiner();
+			combiner2.AddDateTime(dt);
+
+			Assert.AreEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+
+			combiner2.AddDateTime(DateTime.Now);
+
+			Assert.AreNotEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+		}
+
+		[Test]
+		public void HashCombiner_Test_File()
+		{
+			var dir = PrepareFolder();
+			var file1Path = Path.Combine(dir.FullName, "hastest1.txt");
+			File.Delete(file1Path);
+			using (var file1 = File.CreateText(Path.Combine(dir.FullName, "hastest1.txt")))
+			{
+				file1.WriteLine("hello");
+			}
+			var file2Path = Path.Combine(dir.FullName, "hastest2.txt");
+			File.Delete(file2Path);
+			using (var file2 = File.CreateText(Path.Combine(dir.FullName, "hastest2.txt")))
+			{
+				//even though files are the same, the dates are different
+				file2.WriteLine("hello");
+			}
+
+			var combiner1 = new HashCodeCombiner();
+			combiner1.AddFile(new FileInfo(file1Path));
+
+			var combiner2 = new HashCodeCombiner();
+			combiner2.AddFile(new FileInfo(file1Path));
+
+			var combiner3 = new HashCodeCombiner();
+			combiner3.AddFile(new FileInfo(file2Path));
+
+			Assert.AreEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+			Assert.AreNotEqual(combiner1.GetCombinedHashCode(), combiner3.GetCombinedHashCode());
+
+			combiner2.AddFile(new FileInfo(file2Path));
+
+			Assert.AreNotEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+		}
+
+		[Test]
+		public void HashCombiner_Test_Folder()
+		{
+			var dir = PrepareFolder();
+			var file1Path = Path.Combine(dir.FullName, "hastest1.txt");
+			File.Delete(file1Path);
+			using (var file1 = File.CreateText(Path.Combine(dir.FullName, "hastest1.txt")))
+			{
+				file1.WriteLine("hello");
+			}
+
+			//first test the whole folder
+			var combiner1 = new HashCodeCombiner();
+			combiner1.AddFolder(dir);
+
+			var combiner2 = new HashCodeCombiner();
+			combiner2.AddFolder(dir);
+
+			Assert.AreEqual(combiner1.GetCombinedHashCode(), combiner2.GetCombinedHashCode());
+
+			//now add a file to the folder
+
+			var file2Path = Path.Combine(dir.FullName, "hastest2.txt");
+			File.Delete(file2Path);
+			using (var file2 = File.CreateText(Path.Combine(dir.FullName, "hastest2.txt")))
+			{
+				//even though files are the same, the dates are different
+				file2.WriteLine("hello");
+			}
+
+			var combiner3 = new HashCodeCombiner();
+			combiner3.AddFolder(dir);
+
+			Assert.AreNotEqual(combiner1.GetCombinedHashCode(), combiner3.GetCombinedHashCode());
+		}
+
+	}
+}