feat: Add diagram tests

UnitTest/Input/main.cpp

+#include <iostream>
+#include <string>
+
+namespace MyNamespace {
+    class Person {
+    public:
+        std::string name;
+        int age;
+
+        void displayInfo() {
+            std::cout << "Name: " << name << ", Age: " << age << std::endl;
+        }
+    };
+}
+
+int main() {
+    MyNamespace::Person person1;
+    person1.name = "John";
+    person1.age = 25;
+    person1.displayInfo();
+
+    return 0;
+}
\ No newline at end of file

UnitTest/UnitTest.csproj

@@ -23,4 +23,10 @@
       <ProjectReference Include="..\WebAPI\WebAPI.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Content Include="Input\main.cpp">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </Content>
+    </ItemGroup>
+
 </Project>

UnitTest/WebApiTests.cs

+using System.Text;
 using Database;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Mvc;
@@ -256,7 +257,7 @@ public class WebApiTests
     
     [TestCase(true)]
     [TestCase(false)]
-    public void UploadCode(bool getValidToken)
+    public void UploadCodeAndTransform(bool getValidToken)
     {
         string token = string.Empty;
         if (getValidToken)
@@ -269,10 +270,12 @@ public class WebApiTests
         }
         var path = Path.Join(Directory.GetCurrentDirectory(), "users.json");
         ApiController apiController = new ApiController(null, null, path);
+        var code = File.ReadAllText("Input/main.cpp");
+        var codeBase64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(code));
         var model = new UploadCodeModel()
         {
             Token = token,
-            Code = "TestCode",
+            Code = codeBase64
         };
         var result = apiController.UploadCode(model);
         if (getValidToken)
@@ -288,6 +291,8 @@ public class WebApiTests
             Assert.IsTrue(idInt == 1);
             ListAll(true, 1);
             ListOne(true, 1, true);
+            ConvertToActivityDiagram(true, 1, true);
+            ConvertToClassDiagram(true, 1, true);
         }
         else
         {
@@ -341,7 +346,103 @@ public class WebApiTests
             Assert.IsTrue(okResult.Value as string == "Invalid token");
         }
     }
+    #endregion
 
+    #region Code Transformation Tests
+    [TestCase(true, -1, false)]
+    [TestCase(false, -1, false)]
+    public void ConvertToActivityDiagram(bool getValidToken, int id, bool codeExists)
+    {
+        string token = string.Empty;
+        if (getValidToken)
+        {
+            token = GetToken(TestUserAuthenticationProcedure());
+        }
+        else
+        {
+            token = "WrongToken";
+        }
+        var path = Path.Join(Directory.GetCurrentDirectory(), "users.json");
+        ApiController apiController = new ApiController(null, null, path);
+        var result = apiController.ConvertToActivityDiagram(token, id, string.Empty,"main");
+        if (getValidToken)
+        {
+            if (codeExists)
+            {
+                Assert.IsTrue(result is FileStreamResult);
+                var fileStreamResult = result as FileStreamResult;
+                Assert.IsTrue(fileStreamResult.ContentType == "application/xml");
+                Assert.IsTrue(!string.IsNullOrEmpty(fileStreamResult.FileDownloadName));
+                
+                //check if filestream is not empty
+                var stream = fileStreamResult.FileStream;
+                Assert.IsTrue(stream.Length > 0);
+            }
+            else
+            {
+                Assert.IsTrue(result is NotFoundObjectResult);
+                var okResult = result as NotFoundObjectResult;
+                Assert.IsTrue(okResult.Value is string);
+                Assert.IsTrue(okResult.Value as string == "Code does not exist");
+            }
+            
+        }
+        else
+        {
+            Assert.IsTrue(result is BadRequestObjectResult);
+            var okResult = result as BadRequestObjectResult;
+            Assert.IsTrue(okResult.Value is string);
+            Assert.IsTrue(okResult.Value as string == "Invalid token");
+        }
+    }
+    
+    //ConvertToClassDiagram
+    [TestCase(true, -1, false)]
+    [TestCase(false, -1, false)]
+    public void ConvertToClassDiagram(bool getValidToken, int id, bool codeExists)
+    {
+        string token = string.Empty;
+        if (getValidToken)
+        {
+            token = GetToken(TestUserAuthenticationProcedure());
+        }
+        else
+        {
+            token = "WrongToken";
+        }
+        var path = Path.Join(Directory.GetCurrentDirectory(), "users.json");
+        ApiController apiController = new ApiController(null, null, path);
+        var result = apiController.ConvertToClassDiagram(token, id);
+        if (getValidToken)
+        {
+            if (codeExists)
+            {
+                Assert.IsTrue(result is FileStreamResult);
+                var fileStreamResult = result as FileStreamResult;
+                Assert.IsTrue(fileStreamResult.ContentType == "application/xml");
+                Assert.IsTrue(!string.IsNullOrEmpty(fileStreamResult.FileDownloadName));
+                
+                //check if filestream is not empty
+                var stream = fileStreamResult.FileStream;
+                Assert.IsTrue(stream.Length > 0);
+            }
+            else
+            {
+                Assert.IsTrue(result is NotFoundObjectResult);
+                var okResult = result as NotFoundObjectResult;
+                Assert.IsTrue(okResult.Value is string);
+                Assert.IsTrue(okResult.Value as string == "Code does not exist");
+            }
+            
+        }
+        else
+        {
+            Assert.IsTrue(result is BadRequestObjectResult);
+            var okResult = result as BadRequestObjectResult;
+            Assert.IsTrue(okResult.Value is string);
+            Assert.IsTrue(okResult.Value as string == "Invalid token");
+        }
+    }
 
     #endregion