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test(fixtures): migrate integration-test fixture defaults to 10.100.0.35

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CLAUDE.md "Docker Workflow" claims (per the 2026-04-28 migration note)
that all fixture-class default endpoints were rewritten to target the
shared Docker host at 10.100.0.35. Audit during today's e2e run showed
the claim was incomplete — five fixture classes still defaulted to
localhost / 127.0.0.1, causing every fixture-touching integration test
to skip with "endpoint unreachable" on a fresh box that hadn't set
the override env vars.

Files corrected:

  - tests/.../Modbus.IntegrationTests/ModbusSimulatorFixture.cs
      DefaultEndpoint: localhost:5020 → 10.100.0.35:5020
  - tests/.../S7.IntegrationTests/Snap7ServerFixture.cs
      DefaultEndpoint: localhost:1102 → 10.100.0.35:1102
  - tests/.../OpcUaClient.IntegrationTests/OpcPlcFixture.cs
      DefaultEndpoint: opc.tcp://localhost:50000 → opc.tcp://10.100.0.35:50000
  - tests/.../AbCip.IntegrationTests/AbServerFixture.cs
      Host default + ResolveHost fallback: 127.0.0.1 → 10.100.0.35
  - tests/.../AbLegacy.IntegrationTests/AbLegacyServerFixture.cs
      Host default + ResolveEndpoint fallback: 127.0.0.1 → 10.100.0.35

XML doc comments referencing the old localhost defaults were updated in
the same pass so the class-summary documentation matches the actual
default. The override-via-env-var mechanism (MODBUS_SIM_ENDPOINT,
AB_SERVER_ENDPOINT, AB_LEGACY_ENDPOINT, S7_SIM_ENDPOINT,
OPCUA_SIM_ENDPOINT) is unchanged — pointing at a real PLC or a
locally-running container still works exactly as before.

Verification:
  - Solution-wide dotnet build: 0 errors.
  - S7.IntegrationTests: 3/3 pass without env-var override.
  - OpcUaClient.IntegrationTests: 3/3 pass without env-var override.
  - Modbus.IntegrationTests: 4/38 (same as the env-var-override run —
    the 2 failures + 32 skips are pre-existing fixture-profile
    mismatches unrelated to this fix).
  - AbCip.IntegrationTests / AbLegacy.IntegrationTests: same results
    as the env-var-override run.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Joseph Doherty
2026-05-23 19:32:23 -04:00
parent 3d982d9a65
commit 49644fc7fd
5 changed files with 29 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyServerFixture.cs
View File

@@ -18,7 +18,7 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests;
/// Env-var overrides:
/// <list type="bullet">
/// <item><c>AB_LEGACY_ENDPOINT</c> — <c>host:port</c> of the PCCC-mode simulator.
/// Defaults to <c>localhost:44818</c> (EtherNet/IP port; ab_server's PCCC
/// Defaults to <c>10.100.0.35:44818</c> — the shared Docker host (EtherNet/IP port; ab_server's PCCC
/// emulation exposes PCCC-over-CIP on the same port as CIP itself).</item>
/// <item><c>AB_LEGACY_CIP_PATH</c> — routing path appended to the <c>ab://host:port/</c>
/// URI. Defaults to <c>1,0</c> (port-1/slot-0 backplane), required by ab_server
@@ -50,7 +50,10 @@ public sealed class AbLegacyServerFixture : IAsyncLifetime
/// </summary>
public const string DefaultCipPath = "1,0";
public string Host { get; } = "127.0.0.1";
// 10.100.0.35 = the shared Docker host (see CLAUDE.md "Docker Workflow"). Migrated
// off this VM's 127.0.0.1 on 2026-04-28 alongside the rest of the Docker-host move.
// Override via AB_LEGACY_ENDPOINT to point at a real PLC or a locally-running container.
public string Host { get; } = "10.100.0.35";
public int Port { get; } = DefaultPort;
/// <summary>CIP routing path portion of the device URI (after the <c>/</c> separator).
@@ -105,7 +108,7 @@ public sealed class AbLegacyServerFixture : IAsyncLifetime
private static (string Host, int Port) ResolveEndpoint()
{
var raw = Environment.GetEnvironmentVariable(EndpointEnvVar);
if (raw is null) return ("127.0.0.1", DefaultPort);
if (raw is null) return ("10.100.0.35", DefaultPort);
var parts = raw.Split(':', 2);
var port = parts.Length == 2 && int.TryParse(parts[1], out var p) ? p : DefaultPort;
return (parts[0], port);