test: 添加 CLI 命令单元测试

tests/Gpulse.WCT.DataAnalyzer.Tests/CliStructureTests.cs

@@ -0,0 +1,53 @@
+using Gpulse.WCT.DataAnalyzer.Commands;
+using Gpulse.WCT.DataAnalyzer.Core.Application;
+using Gpulse.WCT.DataAnalyzer.Core.Application.Analysis;
+using Microsoft.Extensions.DependencyInjection;
+using System.CommandLine;
+
+namespace Gpulse.WCT.DataAnalyzer.Tests;
+
+[TestFixture]
+public class CliStructureTests : CommandTestBase
+{
+    /// <summary>按 Program.Main 的方式组装根命令。</summary>
+    private RootCommand BuildRoot()
+    {
+        var root = new RootCommand("Gpulse.WCT.DataAnalyzer - FOD Log Data Parser");
+        root.AddCommand(new ParseCommand(Host.Services.GetRequiredService<ParseService>()));
+        root.AddCommand(new AggregateCommand(Host.Services.GetRequiredService<AggregationService>()));
+        root.AddCommand(new ExportCommand(Host.Services.GetRequiredService<ExportService>()));
+        root.AddCommand(new CleanCommand(Host.Services.GetRequiredService<CleanService>()));
+        root.AddCommand(new AnalyzeCommand(
+            Host.Services.GetRequiredService<PlossAnalysisService>(),
+            Host.Services.GetRequiredService<QfodCalibrationService>()));
+        return root;
+    }
+
+    [Test]
+    public async Task Help_ListsAllSubcommands()
+    {
+        var (code, stdout, _) = await BuildRoot().RunCaptureAsync("--help");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(code, Is.EqualTo(0));
+            Assert.That(stdout, Does.Contain("parse"));
+            Assert.That(stdout, Does.Contain("aggregate"));
+            Assert.That(stdout, Does.Contain("export"));
+            Assert.That(stdout, Does.Contain("clean"));
+            Assert.That(stdout, Does.Contain("analyze"));
+        });
+    }
+
+    [Test]
+    public async Task UnknownCommand_ReturnsError()
+    {
+        var (code, stdout, stderr) = await BuildRoot().RunCaptureAsync("nosuchcommand");
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(code, Is.EqualTo(1));
+            Assert.That(stdout + stderr, Does.Contain("nosuchcommand"));
+        });
+    }
+}