L07

ToDoList/src/ToDoList.Persistence/Repositories/IRepository.cs

@@ -6,5 +6,5 @@ public interface IRepository<T> where T : class
     public IEnumerable<T> ReadAll();
     public T? ReadById(int id);
     public void Update(T item);
-    public void DeleteById(int id);
+    public void Delete(T item);
 }

ToDoList/src/ToDoList.Persistence/Repositories/ToDoItemsRepository.cs

@@ -21,14 +21,12 @@ public void Create(ToDoItem item)
     public ToDoItem? ReadById(int id) => context.ToDoItems.Find(id);
     public void Update(ToDoItem item)
     {
-        var foundItem = context.ToDoItems.Find(item.ToDoItemId) ?? throw new ArgumentOutOfRangeException($"ToDo item with ID {item.ToDoItemId} not found.");
-        context.Entry(foundItem).CurrentValues.SetValues(item);
+        context.Entry(item).CurrentValues.SetValues(item);
         context.SaveChanges();
     }
 
-    public void DeleteById(int id)
+    public void Delete(ToDoItem item)
     {
-        var item = context.ToDoItems.Find(id) ?? throw new ArgumentOutOfRangeException($"ToDo item with ID {id} not found.");
         context.ToDoItems.Remove(item);
         context.SaveChanges();
     }

ToDoList/src/ToDoList.WebApi/Controllers/ToDoItemsController.cs

@@ -117,7 +117,7 @@ public IActionResult DeleteById(int toDoItemId)
                 return NotFound(); //404
             }
 
-            repository.DeleteById(toDoItemId);
+            repository.Delete(itemToDelete);
         }
         catch (Exception ex)
         {

ToDoList/tests/ToDoList.Test/UnitTests/DeleteTests.cs

@@ -0,0 +1,86 @@
+namespace ToDoList.Test.UnitTests;
+
+using NSubstitute;
+using Microsoft.AspNetCore.Mvc;
+using ToDoList.WebApi.Controllers;
+using ToDoList.Persistence.Repositories;
+using ToDoList.Domain.Models;
+using Microsoft.AspNetCore.Http;
+using NSubstitute.ExceptionExtensions;
+
+public class DeleteUnitTests
+{
+    [Fact]
+    public void Delete_DeleteByIdValidItemId_ReturnsNoContent()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        repositoryMock.ReadById(Arg.Any<int>()).Returns(new ToDoItem { Name = "testItem", Description = "testDescription", IsCompleted = false });
+        var someId = 1;
+
+        // Act
+        var result = controller.DeleteById(someId);
+
+        // Assert
+        Assert.IsType<NoContentResult>(result);
+        repositoryMock.Received(1).ReadById(someId);
+        repositoryMock.Received(1).Delete(Arg.Any<ToDoItem>());
+    }
+
+    [Fact]
+    public void Delete_DeleteByIdInvalidItemId_ReturnsNotFound()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        repositoryMock.ReadById(Arg.Any<int>()).Returns(null as ToDoItem);
+        var someId = 1;
+
+        // Act
+        var result = controller.DeleteById(someId);
+
+        // Assert
+        Assert.IsType<NotFoundResult>(result);
+        repositoryMock.Received(1).ReadById(someId);
+        repositoryMock.Received(0).Delete(Arg.Any<ToDoItem>()); // make sure nothing was deleted
+    }
+
+    [Fact]
+    public void Delete_DeleteByIdExceptionOccurredDuringRepositoryReadById_ReturnsInternalServerError()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        repositoryMock.ReadById(Arg.Any<int>()).Throws(new Exception());
+        var someId = 1;
+
+        // Act
+        var result = controller.DeleteById(someId);
+
+        // Assert
+        Assert.IsType<ObjectResult>(result);
+        repositoryMock.Received(1).ReadById(someId);
+        Assert.Equal(StatusCodes.Status500InternalServerError, ((ObjectResult)result).StatusCode);
+    }
+
+    [Fact]
+    public void Delete_DeleteByIdExceptionOccurredDuringRepositoryDelete_ReturnsInternalServerError()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        repositoryMock.ReadById(Arg.Any<int>()).Returns(new ToDoItem { Name = "testItem", Description = "testDescription", IsCompleted = false });
+        repositoryMock.When(r => r.Delete(Arg.Any<ToDoItem>())).Do(r => throw new Exception());
+        var someId = 1;
+
+        // Act
+        var result = controller.DeleteById(someId);
+
+        // Assert
+        Assert.IsType<ObjectResult>(result);
+        repositoryMock.Received(1).ReadById(someId);
+        repositoryMock.Received(1).Delete(Arg.Any<ToDoItem>());
+        Assert.Equal(StatusCodes.Status500InternalServerError, ((ObjectResult)result).StatusCode);
+    }
+}

ToDoList/tests/ToDoList.Test/UnitTests/GetByIdTests.cs

@@ -0,0 +1,69 @@
+namespace ToDoList.Test.UnitTests;
+
+using NSubstitute;
+using Microsoft.AspNetCore.Mvc;
+using ToDoList.WebApi.Controllers;
+using ToDoList.Persistence.Repositories;
+using ToDoList.Domain.Models;
+using Microsoft.AspNetCore.Http;
+using NSubstitute.ExceptionExtensions;
+using NSubstitute.ReturnsExtensions;
+
+public class GetByIdUnitTests
+{
+    [Fact]
+    public void Get_ReadByIdWhenSomeItemAvailable_ReturnsOk()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        var someId = 1;
+        repositoryMock.ReadById(someId).Returns(new ToDoItem { Name = "testItem", Description = "testDescription", IsCompleted = false });
+
+        // Act
+        var result = controller.ReadById(someId);
+        var resultResult = result.Result;
+
+        // Assert
+        Assert.IsType<OkObjectResult>(resultResult);
+        repositoryMock.Received(1).ReadById(someId);
+    }
+
+    [Fact]
+    public void Get_ReadByIdWhenItemIsNull_ReturnsNotFound()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        var someId = 1;
+        repositoryMock.ReadById(someId).ReturnsNull();
+
+        // Act
+        var result = controller.ReadById(someId);
+        var resultResult = result.Result;
+
+        // Assert
+        Assert.IsType<NotFoundResult>(resultResult);
+        repositoryMock.Received(1).ReadById(someId);
+    }
+
+    [Fact]
+    public void Get_ReadByIdUnhandledException_ReturnsInternalServerError()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        var someId = 1;
+        repositoryMock.ReadById(someId).Throws(new Exception());
+
+        // Act
+        var result = controller.ReadById(someId);
+        var resultResult = result.Result;
+
+        // Assert
+        Assert.IsType<ObjectResult>(resultResult);
+        repositoryMock.Received(1).ReadById(someId);
+        Assert.Equivalent(new StatusCodeResult(StatusCodes.Status500InternalServerError), resultResult);
+    }
+
+}

ToDoList/tests/ToDoList.Test/UnitTests/GetTests.cs

@@ -1,30 +1,23 @@
 namespace ToDoList.Test.UnitTests;
 
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
 using NSubstitute;
-using NSubstitute.ExceptionExtensions;
-using ToDoList.Domain.Models;
-using ToDoList.Persistence.Repositories;
+using Microsoft.AspNetCore.Mvc;
 using ToDoList.WebApi.Controllers;
+using ToDoList.Persistence.Repositories;
+using ToDoList.Domain.Models;
+using Microsoft.AspNetCore.Http;
+using NSubstitute.ExceptionExtensions;
+using NSubstitute.ReturnsExtensions;
 
 public class GetUnitTests
 {
     [Fact]
     public void Get_ReadWhenSomeItemAvailable_ReturnsOk()
     {
         // Arrange
         var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
         var controller = new ToDoItemsController(repositoryMock);
-        repositoryMock.ReadAll().Returns(
-            [
-                new ToDoItem{
-                    Name = "testName",
-                    Description = "testDescription",
-                    IsCompleted = false
-                }
-            ]
-            );
+        repositoryMock.ReadAll().Returns([new ToDoItem { Name = "testItem", Description = "testDescription", IsCompleted = false }]);
 
         // Act
         var result = controller.Read();
@@ -41,8 +34,7 @@
         // Arrange
         var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
         var controller = new ToDoItemsController(repositoryMock);
-        // repositoryMock.ReadAll().ReturnsNull();
-        repositoryMock.ReadAll().Returns(null as IEnumerable<ToDoItem>);
+        repositoryMock.ReadAll().ReturnsNull();
 
         // Act
         var result = controller.Read();
@@ -59,6 +51,7 @@
         // Arrange
         var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
         var controller = new ToDoItemsController(repositoryMock);
+        //repositoryMock.When(r => r.ReadAll()).Do(r => throw new Exception());
         repositoryMock.ReadAll().Throws(new Exception());
 
         // Act
@@ -70,4 +63,5 @@
         repositoryMock.Received(1).ReadAll();
         Assert.Equivalent(new StatusCodeResult(StatusCodes.Status500InternalServerError), resultResult);
     }
+
 }

ToDoList/tests/ToDoList.Test/UnitTests/PostTests.cs

@@ -30,6 +30,8 @@ public void Post_CreateValidRequest_ReturnsCreatedAtAction()
         // Assert
         Assert.IsType<CreatedAtActionResult>(resultResult);
         repositoryMock.Received(1).Create(Arg.Any<ToDoItem>());
+
+        // These asserts are optional
         Assert.NotNull(value);
 
         Assert.Equal(request.Description, value.Description);

ToDoList/tests/ToDoList.Test/UnitTests/PutTests.cs

@@ -0,0 +1,84 @@
+namespace ToDoList.Test.UnitTests;
+
+using NSubstitute;
+using Microsoft.AspNetCore.Mvc;
+using ToDoList.Domain.DTOs;
+using ToDoList.WebApi.Controllers;
+using ToDoList.Persistence.Repositories;
+using ToDoList.Domain.Models;
+using Microsoft.AspNetCore.Http;
+using NSubstitute.ReturnsExtensions;
+
+public class PutUnitTests
+{
+    [Fact]
+    public void Put_UpdateByIdWhenItemUpdated_ReturnsNoContent()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        var request = new ToDoItemUpdateRequestDto(
+            Name: "Jmeno",
+            Description: "Popis",
+            IsCompleted: false
+        );
+        var someId = 1;
+        var readToDoItem = new ToDoItem { Name = "Jmeno", Description = "Popis", IsCompleted = false, ToDoItemId = someId };
+        repositoryMock.ReadById(someId).Returns(readToDoItem);
+
+        // Act
+        var result = controller.UpdateById(someId, request);
+
+        // Assert
+        Assert.IsType<NoContentResult>(result);
+        repositoryMock.Received(1).ReadById(someId);
+        repositoryMock.Received(1).Update(Arg.Any<ToDoItem>());
+    }
+
+    [Fact]
+    public void Put_UpdateByIdWhenIdNotFound_ReturnsNotFound()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        var request = new ToDoItemUpdateRequestDto(
+            Name: "Jmeno",
+            Description: "Popis",
+            IsCompleted: false
+        );
+        repositoryMock.ReadById(Arg.Any<int>()).ReturnsNull();
+        var someId = 1;
+
+        // Act
+        var result = controller.UpdateById(someId, request);
+
+        // Assert
+        Assert.IsType<NotFoundResult>(result);
+        repositoryMock.Received(1).ReadById(someId);
+    }
+
+    [Fact]
+    public void Put_UpdateByIdUnhandledException_ReturnsInternalServerError()
+    {
+        // Arrange
+        var repositoryMock = Substitute.For<IRepository<ToDoItem>>();
+        var controller = new ToDoItemsController(repositoryMock);
+        var request = new ToDoItemUpdateRequestDto(
+            Name: "Jmeno",
+            Description: "Popis",
+            IsCompleted: false
+        );
+        var someId = 1;
+        var readToDoItem = new ToDoItem { Name = "Jmeno", Description = "Popis", IsCompleted = false, ToDoItemId = someId };
+
+        repositoryMock.ReadById(Arg.Any<int>()).Returns(readToDoItem);
+        repositoryMock.When(r => r.Update(Arg.Any<ToDoItem>())).Do(r => throw new Exception());
+
+        // Act
+        var result = controller.UpdateById(someId, request);
+
+        // Assert
+        Assert.IsType<ObjectResult>(result);
+        Assert.Equivalent(new StatusCodeResult(StatusCodes.Status500InternalServerError), result);
+    }
+}