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Task #242 finish — UnsTab drag-drop interactive Playwright E2E tests un-skip + pass

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Closes the scope-out left by the #242 partial. Root cause of the blazor.web.js
zero-byte response turned out to be two co-operating harness bugs:

1) The static-asset manifest was discoverable but the runtime needs
   UseStaticWebAssets to be called so the StaticWebAssetsLoader composes a
   PhysicalFileProvider per ContentRoot declared in
   staticwebassets.development.json (Admin source wwwroot + obj/compressed +
   the framework NuGet cache). Without that call MapStaticAssets resolves the
   route but has no ContentRoot map — so every asset serves zero bytes.

2) The EF InMemory DB name was being re-generated on every DbContext
   construction (the lambda body called Guid.NewGuid() inline), so the seed
   scope, Blazor circuit scope, and test-assertion scopes all got separate
   stores. Capturing the name as a stable string per fixture instance fixes
   the "cluster not found → page stays at Loading…" symptom.

Fixes:
  - AdminWebAppFactory:
      * ApplicationName set on WebApplicationOptions so UseStaticWebAssets
        discovers the manifest.
      * builder.WebHost.UseStaticWebAssets() wired explicitly (matches what
        `dotnet run` does via MSBuild targets).
      * dbName captured once per fixture; the options lambda reads the
        captured string instead of re-rolling a Guid.
  - UnsTabDragDropE2ETests: the two [Fact(Skip=...)] tests un-skip.

Suite state: 3 passed, 0 skipped, 0 failed. Task #242 closed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Joseph Doherty
2026-04-21 02:31:26 -04:00
parent 3e3c7206dd
commit c41831794a
2 changed files with 34 additions and 34 deletions
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24
tests/ZB.MOM.WW.OtOpcUa.Admin.E2ETests/AdminWebAppFactory.cs
View File

@@ -47,18 +47,25 @@ public sealed class AdminWebAppFactory : IAsyncDisposable
var port = GetFreeTcpPort();
BaseUrl = $"http://127.0.0.1:{port}";
// Point the content root at the Admin project's build output so wwwroot/ (app.css,
// site CSS, icons) + the Blazor framework assets served from the Admin assembly
// resolve. Without this the default content root is the test project's bin dir and
// blazor.web.js + app.css return 404, which keeps the interactive circuit from
// booting at all.
// Point the content root at the Admin project's build output so the Admin
// assembly + its sibling staticwebassets manifest are discoverable. The manifest
// maps /_framework/* to the framework NuGet cache + /app.css to the Admin source
// wwwroot; StaticWebAssetsLoader.UseStaticWebAssets reads it and wires a composite
// file provider automatically.
var adminAssemblyDir = System.IO.Path.GetDirectoryName(
typeof(Admin.Components.App).Assembly.Location)!;
var builder = WebApplication.CreateBuilder(new WebApplicationOptions
{
ContentRootPath = adminAssemblyDir,
ApplicationName = typeof(Admin.Components.App).Assembly.GetName().Name,
});
builder.WebHost.UseUrls(BaseUrl);
// UseStaticWebAssets reads {ApplicationName}.staticwebassets.runtime.json (or the
// development variant via the ASPNETCORE_HOSTINGSTARTUPASSEMBLIES convention) and
// composes a PhysicalFileProvider per declared ContentRoot. This is what
// `dotnet run` does automatically via the MSBuild targets — we replicate it
// explicitly for the test-owned pipeline.
builder.WebHost.UseStaticWebAssets();
// E2E host runs in Development so unhandled exceptions during Blazor render surface
// as visible 500s with stacks the test can capture — prod-style generic errors make
// diagnosis of circuit / DI misconfig effectively impossible.
@@ -78,8 +85,13 @@ public sealed class AdminWebAppFactory : IAsyncDisposable
.AddPolicy("CanPublish", p => p.RequireRole(Admin.Services.AdminRoles.FleetAdmin));
builder.Services.AddCascadingAuthenticationState();
// One InMemory database name per fixture — the lambda below runs on every DbContext
// construction, so capturing a stable string (not calling Guid.NewGuid() inline) is
// critical: every scope (seed, Blazor circuit, test assertions) must share the same
// backing store or rows written in one scope disappear in the next.
var dbName = $"e2e-{Guid.NewGuid():N}";
builder.Services.AddDbContext<OtOpcUaConfigDbContext>(opt =>
opt.UseInMemoryDatabase($"e2e-{Guid.NewGuid():N}"));
opt.UseInMemoryDatabase(dbName));
builder.Services.AddScoped<Admin.Services.ClusterService>();
builder.Services.AddScoped<Admin.Services.GenerationService>();