test: 添加 CLI 命令单元测试

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

@@ -0,0 +1,37 @@
+using Gpulse.WCT.DataAnalyzer.Commands;
+using Gpulse.WCT.DataAnalyzer.Core.Application;
+using Gpulse.WCT.DataAnalyzer.Core.Application.Analysis;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Gpulse.WCT.DataAnalyzer.Tests;
+
+/// <summary>
+/// CLI 命令测试基类：每个测试一个独立的内存数据库 + 临时目录。
+/// </summary>
+public abstract class CommandTestBase
+{
+    protected CliTestHost Host { get; private set; } = null!;
+
+    [SetUp]
+    public async Task SetUp() => Host = await CliTestHost.CreateAsync();
+
+    [TearDown]
+    public void TearDown() => Host.Dispose();
+
+    // 命令构造方式与 Program.Main 一致：从 DI 解析服务再构造命令
+    protected ParseCommand Parse() => new(Host.Services.GetRequiredService<ParseService>());
+
+    protected AggregateCommand Aggregate() => new(Host.Services.GetRequiredService<AggregationService>());
+
+    protected ExportCommand Export() => new(Host.Services.GetRequiredService<ExportService>());
+
+    protected CleanCommand Clean() => new(Host.Services.GetRequiredService<CleanService>());
+
+    protected AnalyzeCommand Analyze() => new(
+        Host.Services.GetRequiredService<PlossAnalysisService>(),
+        Host.Services.GetRequiredService<QfodCalibrationService>());
+
+    /// <summary>在测试临时目录下新建一个子目录。</summary>
+    protected string NewDir() =>
+        Directory.CreateDirectory(Path.Combine(Host.TempDir, Guid.NewGuid().ToString("N"))).FullName;
+}