set TodoEndpoints unit tests

JixMinApiTests/Features/Todo/TodoEndpointsTests.cs

@@ -0,0 +1,75 @@
+using JixMinApi.Features.Todo.Queries;
+using MediatR;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Moq;
+using Xunit;
+using Assert = Xunit.Assert;
+
+namespace JixMinApi.Features.Todo.Tests;
+
+public class TodoEndpointsTests
+{
+    [Fact]
+    public async Task GetTodoByIdAsync_Returns_BadRequest_When_Id_Is_Empty()
+    {
+        // Arrange
+        var mediatorMock = new Mock<IMediator>();
+        var emptyId = Guid.Empty;
+        var expectedBadRequest = TypedResults.BadRequest<ValidationErrorDto>(
+            new ValidationErrorDto(
+                [new ValidationErrorItem("id", "id must not be an empty guid.")]
+            ));
+
+        // Act
+        var result = await TodoEndpoints.GetTodoByIdAsync(emptyId, mediatorMock.Object);
+
+        // Assert
+        Assert.IsType<Results<BadRequest<ValidationErrorDto>, NotFound, Ok<TodoDto>>>(result);
+        var badrequest = (BadRequest<ValidationErrorDto>)result.Result;
+        Assert.NotNull(badrequest);
+    }
+
+    [Fact]
+    public async Task GetTodoByIdAsync_Returns_NotFound_When_Todo_Not_Found()
+    {
+        // Arrange
+        var mediatorMock = new Mock<IMediator>();
+        var nonExistentId = Guid.NewGuid(); // Assuming this id doesn't exist
+        mediatorMock.Setup(m => m.Send(It.IsAny<GetAllTodosQuery>(), CancellationToken.None))
+            .ReturnsAsync(new List<TodoDto>());
+
+        // Act
+        var result = await TodoEndpoints.GetTodoByIdAsync(nonExistentId, mediatorMock.Object);
+
+        // Assert
+        Assert.IsType<Results<BadRequest<ValidationErrorDto>, NotFound, Ok<TodoDto>>>(result);
+        var notFoundResult = (NotFound)result.Result;
+
+        Assert.NotNull(notFoundResult);
+    }
+
+    [Fact]
+    public async Task GetTodoByIdAsync_Returns_Ok_When_Todo_Found()
+    {
+        // Arrange
+        var mediatorMock = new Mock<IMediator>();
+        var existingId = Guid.NewGuid(); // Assuming this id exists
+        var todoDto = new TodoDto(existingId, "", false); // Assuming todo with this id exists
+
+        mediatorMock.Setup(m => m.Send(It.IsAny<GetAllTodosQuery>(), CancellationToken.None))
+            .ReturnsAsync(new List<TodoDto>() {
+                todoDto
+            });
+
+        // Act
+        var result = await TodoEndpoints.GetTodoByIdAsync(existingId, mediatorMock.Object);
+
+        // Assert
+        Assert.IsType<Results<BadRequest<ValidationErrorDto>, NotFound, Ok<TodoDto>>>(result);
+        var okResult = (Ok<TodoDto>)result.Result;
+
+        Assert.NotNull(okResult);
+        Assert.Equal(todoDto, okResult.Value);
+    }
+}

JixMinApiTests/JixMinApiTests.csproj

@@ -12,6 +12,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
     <PackageReference Include="xunit" Version="2.6.6" />