Solomon Heisey's Investment Performance Web API

InvestmentPerformanceWebApi.Tests/Controllers/InvestmentControllerTests.cs

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+using System.Threading;
+using System.Threading.Tasks;
+using InvestmentPerformanceWebApi.Controllers;
+using InvestmentPerformanceWebApi.Models;
+using InvestmentPerformanceWebApi.Services;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using Moq;
+using Xunit;
+
+namespace InvestmentPerformanceWebApi.Tests.Controllers;
+
+public class InvestmentControllerTests
+{
+    private readonly InvestmentController _controller;
+    private readonly Mock<IInvestmentService> _serviceMock;
+
+    public InvestmentControllerTests()
+    {
+        _serviceMock = new Mock<IInvestmentService>();
+        _controller = new InvestmentController(Mock.Of<ILogger<InvestmentController>>(), _serviceMock.Object);
+    }
+
+    [Fact]
+    public async Task Get_WithNonPositiveUserId_ReturnsBadRequest()
+    {
+        var result = await _controller.Get(0, CancellationToken.None);
+
+        var badRequest = Assert.IsType<BadRequestObjectResult>(result.Result);
+        Assert.Equal("UserId must be a positive integer.", badRequest.Value);
+        _serviceMock.VerifyNoOtherCalls();
+    }
+
+    [Fact]
+    public async Task Get_WithValidUserId_ReturnsOkWithInvestments()
+    {
+        var userId = 42;
+        var expected = new List<InvestmentDto>
+        {
+            new(1, "ETF A"),
+            new(2, "Stock B")
+        };
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentsByUserIdAsync(userId, It.IsAny<CancellationToken>()))
+            .ReturnsAsync(expected);
+
+        var result = await _controller.Get(userId, CancellationToken.None);
+
+        var ok = Assert.IsType<OkObjectResult>(result.Result);
+        var actual = Assert.IsAssignableFrom<IReadOnlyList<InvestmentDto>>(ok.Value);
+        Assert.Equal(expected.Count, actual.Count);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public async Task Get_WhenCancelled_Returns499()
+    {
+        var userId = 7;
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentsByUserIdAsync(userId, It.IsAny<CancellationToken>()))
+            .ThrowsAsync(new OperationCanceledException());
+
+        var result = await _controller.Get(userId, CancellationToken.None);
+
+        var objectResult = Assert.IsType<ObjectResult>(result.Result);
+        Assert.Equal(499, objectResult.StatusCode);
+        Assert.Equal("Client Closed Request", objectResult.Value);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public async Task Get_WhenUnhandledException_Returns500()
+    {
+        var userId = 9;
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentsByUserIdAsync(userId, It.IsAny<CancellationToken>()))
+            .ThrowsAsync(new InvalidOperationException("boom"));
+
+        var result = await _controller.Get(userId, CancellationToken.None);
+
+        var objectResult = Assert.IsType<ObjectResult>(result.Result);
+        Assert.Equal(500, objectResult.StatusCode);
+        Assert.Equal("An error occurred while retrieving investments.", objectResult.Value);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public async Task GetDetails_WithInvalidIds_ReturnsBadRequest()
+    {
+        var result = await _controller.GetDetails(0, -1, CancellationToken.None);
+
+        var badRequest = Assert.IsType<BadRequestObjectResult>(result.Result);
+        Assert.Equal("UserId and InvestmentId must be positive integers.", badRequest.Value);
+        _serviceMock.VerifyNoOtherCalls();
+    }
+
+    [Fact]
+    public async Task GetDetails_NotFound_ReturnsNotFound()
+    {
+        var userId = 5;
+        var investmentId = 123;
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentDetailsAsync(userId, investmentId, It.IsAny<CancellationToken>()))
+            .ReturnsAsync((InvestmentDetailDto?)null);
+
+        var result = await _controller.GetDetails(userId, investmentId, CancellationToken.None);
+
+        Assert.IsType<NotFoundResult>(result.Result);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public async Task GetDetails_Found_ReturnsOkWithDetails()
+    {
+        var userId = 5;
+        var investmentId = 123;
+
+        var expected =
+            new InvestmentDetailDto(investmentId, userId, "Bond C", 1000m, 100m, 1500m, 1000m, "2022-01-01", 10m);
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentDetailsAsync(userId, investmentId, It.IsAny<CancellationToken>()))
+            .ReturnsAsync(expected);
+
+        var result = await _controller.GetDetails(userId, investmentId, CancellationToken.None);
+
+        var ok = Assert.IsType<OkObjectResult>(result.Result);
+        var actual = Assert.IsType<InvestmentDetailDto>(ok.Value);
+        Assert.Equal(expected.Id, actual.Id);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public async Task GetDetails_WhenCancelled_Returns499()
+    {
+        var userId = 2;
+        var investmentId = 3;
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentDetailsAsync(userId, investmentId, It.IsAny<CancellationToken>()))
+            .ThrowsAsync(new OperationCanceledException());
+
+        var result = await _controller.GetDetails(userId, investmentId, CancellationToken.None);
+
+        var objectResult = Assert.IsType<ObjectResult>(result.Result);
+        Assert.Equal(499, objectResult.StatusCode);
+        Assert.Equal("Client Closed Request", objectResult.Value);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public async Task GetDetails_WhenUnhandledException_Returns500()
+    {
+        var userId = 2;
+        var investmentId = 3;
+
+        _serviceMock
+            .Setup(s => s.GetInvestmentDetailsAsync(userId, investmentId, It.IsAny<CancellationToken>()))
+            .ThrowsAsync(new Exception("unexpected"));
+
+        var result = await _controller.GetDetails(userId, investmentId, CancellationToken.None);
+
+        var objectResult = Assert.IsType<ObjectResult>(result.Result);
+        Assert.Equal(500, objectResult.StatusCode);
+        Assert.Equal("An error occurred while retrieving investment details.", objectResult.Value);
+        _serviceMock.VerifyAll();
+    }
+
+    [Fact]
+    public void GetHealth_ReturnsOk()
+    {
+        var result = _controller.Get();
+
+        var ok = Assert.IsType<OkObjectResult>(result);
+        Assert.Equal("Investment API is running.", ok.Value);
+    }
+}

InvestmentPerformanceWebApi.Tests/InvestmentPerformanceWebApi.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.0"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0"/>
+        <PackageReference Include="Moq" Version="4.20.72" />
+        <PackageReference Include="xunit" Version="2.9.3" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="Xunit"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\InvestmentPerformanceWebApi\InvestmentPerformanceWebApi.csproj" />
+    </ItemGroup>
+
+</Project>

InvestmentPerformanceWebApi.Tests/UnitTest1.cs

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+namespace InvestmentPerformanceWebApi.Tests;
+
+public class UnitTest1
+{
+	[Fact]
+	public void Test1()
+	{
+	}
+}

InvestmentPerformanceWebApi.sln

@@ -0,0 +1,38 @@
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+EndProject
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+	ProjectSection(SolutionItems) = preProject
+		README.md = README.md
+	EndProjectSection
+EndProject
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+Global
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+		{67657AED-A457-4EAC-BF4F-C221B0E03A7B}.Release|Any CPU.Build.0 = Release|Any CPU
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+	EndGlobalSection
+EndGlobal

InvestmentPerformanceWebApi/.dockerignore

@@ -0,0 +1,25 @@
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/.idea
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md