Joseph Doherty
e719dd51c1
The single auto-refreshing zero-JS status page gave operators a 25-column wall and no way to drill into one connection. This adds a Bootstrap fleet dashboard (filterable/sortable KPI table) and a per-PLC detail page with a real-time debug view of raw PLC-side BCD vs. decoded client-side values, streamed live over a SignalR feed. The debug view is fed by an on-demand per-tag value capture, armed only while a detail page is open. All assets (Bootstrap, SignalR client, fonts) are embedded so the UI works unchanged on firewalled networks; GET /status.json is untouched for scrapers. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
92 lines
3.0 KiB
C#
92 lines
3.0 KiB
C#
using Mbproxy.Admin;
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using Mbproxy.Bcd;
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using Mbproxy.Proxy;
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using Shouldly;
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using Xunit;
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namespace Mbproxy.Tests.Admin;
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/// <summary>
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/// Unit tests for <see cref="StatusHub"/> — group joins and on-demand capture
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/// arming. Uses hand-written SignalR test doubles (see <see cref="SignalRFakes"/>);
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/// no SignalR host is started.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class StatusHubTests
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{
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private static StatusHub MakeHub(
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string connectionId,
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PlcSubscriptionTracker tracker,
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TagCaptureRegistry registry,
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out FakeGroupManager groups)
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{
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groups = new FakeGroupManager();
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return new StatusHub(tracker, registry)
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{
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Context = new FakeHubCallerContext(connectionId),
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Groups = groups,
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};
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}
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[Fact]
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public async Task SubscribeFleet_JoinsFleetGroup()
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{
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var hub = MakeHub("conn-1", new PlcSubscriptionTracker(), new TagCaptureRegistry(), out var groups);
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await hub.SubscribeFleet();
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groups.Added.ShouldContain(("conn-1", StatusHub.FleetGroup));
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}
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[Fact]
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public async Task SubscribePlc_JoinsPlcGroup_AndArmsCapture()
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{
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var registry = new TagCaptureRegistry();
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registry.GetOrCreate("plc-1", BcdTagMap.Empty);
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var hub = MakeHub("conn-1", new PlcSubscriptionTracker(), registry, out var groups);
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await hub.SubscribePlc("plc-1");
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groups.Added.ShouldContain(("conn-1", StatusHub.PlcGroup("plc-1")));
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registry.TryGet("plc-1", out var capture).ShouldBeTrue();
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capture.IsArmed.ShouldBeTrue();
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}
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[Fact]
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public async Task SecondSubscriber_FirstLeaveKeepsArmed_LastLeaveDisarms()
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{
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var tracker = new PlcSubscriptionTracker();
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var registry = new TagCaptureRegistry();
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registry.GetOrCreate("plc-1", BcdTagMap.Empty);
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var hub1 = MakeHub("conn-1", tracker, registry, out _);
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var hub2 = MakeHub("conn-2", tracker, registry, out _);
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await hub1.SubscribePlc("plc-1");
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await hub2.SubscribePlc("plc-1");
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registry.TryGet("plc-1", out var capture).ShouldBeTrue();
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capture.IsArmed.ShouldBeTrue();
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// First viewer leaves — a second viewer remains, so capture stays armed.
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await hub1.OnDisconnectedAsync(null);
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capture.IsArmed.ShouldBeTrue("capture must stay armed while another detail page is open");
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// Last viewer leaves — capture disarms.
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await hub2.OnDisconnectedAsync(null);
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capture.IsArmed.ShouldBeFalse("capture must disarm when the last viewer leaves");
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}
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[Fact]
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public async Task SubscribePlc_UnknownPlc_DoesNotThrow_AndArmsNothing()
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{
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var registry = new TagCaptureRegistry(); // no captures registered
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var hub = MakeHub("conn-1", new PlcSubscriptionTracker(), registry, out var groups);
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await Should.NotThrowAsync(async () => await hub.SubscribePlc("ghost"));
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groups.Added.ShouldContain(("conn-1", StatusHub.PlcGroup("ghost")));
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registry.TryGet("ghost", out _).ShouldBeFalse();
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}
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}
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