1  using System.Text.Json;
 2  
 3  namespace GUNRPG.Tests;
 4  
 5  public sealed class WebClientPwaAssetTests
 6  {
 7      [Fact]
 8      public void Manifest_UsesRelativeStartUrlAndScope_ForSubdirectoryHosting()
 9      {
10          using var manifest = JsonDocument.Parse(File.ReadAllText(GetWebClientAssetPath("manifest.webmanifest")));
11  
12          Assert.Equal("./", manifest.RootElement.GetProperty("start_url").GetString());
13          Assert.Equal("./", manifest.RootElement.GetProperty("scope").GetString());
14      }
15  
16      [Fact]
17      public void IndexHtml_RegistersServiceWorkerRelativeToAppBase()
18      {
19          var indexHtml = File.ReadAllText(GetWebClientAssetPath("index.html"));
20  
21          Assert.Contains("navigator.serviceWorker.register('service-worker.js')", indexHtml, StringComparison.Ordinal);
22          Assert.DoesNotContain("navigator.serviceWorker.register('/service-worker.js')", indexHtml, StringComparison.Ordinal);
23      }
24  
25      [Fact]
26      public void ServiceWorker_DoesNotCacheRootRelativeContentAssets()
27      {
28          var serviceWorker = File.ReadAllText(GetWebClientAssetPath("service-worker.js"));
29  
30          Assert.DoesNotContain("/_content/", serviceWorker, StringComparison.Ordinal);
31      }
32  
33      private static string GetWebClientAssetPath(string fileName)
34      {
35          var directory = new DirectoryInfo(AppContext.BaseDirectory);
36  
37          while (directory is not null && !File.Exists(Path.Combine(directory.FullName, "global.json")))
38          {
39              directory = directory.Parent;
40          }
41  
42          if (directory is null)
43          {
44              throw new DirectoryNotFoundException("Could not locate the repository root from the test output directory.");
45          }
46  
47          return Path.Combine(directory.FullName, "GUNRPG.WebClient", "wwwroot", fileName);
48      }
49  }