(#9)添加加解密方法的单元测试。修改了一处加密算法错误

WebSiteCode/Cmdjy/Cmdjy/Bll/DesHelper.cs

@@ -90,7 +90,7 @@ namespace Cmdjy.Bll
         /// <param name="IV">初始化向量</param>
         /// <param name="key">加密关键字</param>
         public static DesHelper GetHelper(PaddingMode padding,CipherMode cipher,byte[] IV,string key) {
-            if(key.Length <= 8) {
+            if(key.Length < 8) {
                 throw new Exception("加密用的key长度为8位");
             }
             return new DesHelper {

WebSiteCode/Cmdjy/CmdjyTests/Bll/DesHelperTests.cs

@@ -0,0 +1,40 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Cmdjy.Bll;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Security.Cryptography;
+
+namespace Cmdjy.Bll.Tests
+{
+    [TestClass()]
+    public class DesHelperTests
+    {
+        [TestMethod()]
+        public void EncryptyTest() {
+            byte[] IV = { 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08 };
+            var des = DesHelper.GetHelper(PaddingMode.PKCS7,CipherMode.CBC,IV,"12365478");
+            Console.WriteLine($"Key:{des.Key}");
+            string mingwen = getMingWen();
+            Console.WriteLine($"明文:{mingwen}");
+            var miwen = des.Encrypty(mingwen);
+            Console.WriteLine($"密文：{miwen}");
+            var mingwen2 = des.DesCrypty(miwen);
+            Assert.AreEqual(mingwen,mingwen2);
+        }
+
+        public string getMingWen() {
+            string str = "abcdefghijklmnopqrstuvwxyz123456789,./*-+";
+            var result = new StringBuilder();
+            int len = 1000;
+            var rean = new Random();
+            for(int i = 0;i < len;i++) {
+                var p = rean.Next(str.Length);
+                result.Append(str.ToCharArray()[p]);
+            }
+            return result.ToString();
+        }
+    }
+}

WebSiteCode/Cmdjy/CmdjyTests/CmdjyTests.csproj

@@ -51,6 +51,7 @@
     </Otherwise>
   </Choose>
   <ItemGroup>
+    <Compile Include="Bll\DesHelperTests.cs" />
     <Compile Include="Bll\ObjExtendTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>