Files
ScadaBridge/tests/ZB.MOM.WW.ScadaBridge.Host.Tests/StartupValidatorTests.cs
T
Joseph Doherty 7fd5cb2b56 feat(comm): Phase 4 — delete Akka ClusterClient site↔central transport, gRPC-only
ClusterClient→gRPC migration Phase 4 (docs/plans/2026-07-22-clusterclient-to-grpc-plan.md).
Phases 2/3 proved both directions on gRPC; this removes the Akka transport underneath.

Deleted:
- AkkaCentralTransport, AkkaSiteTransport (+ their dedicated tests)
- ISiteClientFactory + DefaultSiteClientFactory; CentralCommunicationActor legacy
  ctor + SelectTransport (Host now builds GrpcSiteTransport and injects it)
- ClusterClient creation + both ClusterClientReceptionist.RegisterService calls in
  AkkaHostedService; the RegisterCentralClient message + receive block
- CommunicationOptions.CentralContactPoints; the CentralTransport/SiteTransport
  coexistence flags; the CentralTransportMode/SiteTransportKind enums

gRPC is now the only site↔central transport (site→central CentralControlService via
GrpcCentralTransport; central→site SiteCommandService via GrpcSiteTransport), both
built unconditionally by the Host. NoOpCentralTransport is the fail-loud null-default
so TestKit command-dispatch suites still construct the site actor without a wired
transport; production always injects GrpcCentralTransport.

Config: CentralGrpcEndpoints is now unconditional — CommunicationOptionsValidator
rejects blank entries (role-agnostic), and StartupValidator requires a Site node to
list >=1 endpoint (fail-fast, mirrors GrpcPsk). Rig configs moved
CentralContactPoints -> CentralGrpcEndpoints (docker x6, docker-env2 x2, Host default,
deploy/wonder-app-vd03). Kept Akka.Cluster.Tools (ClusterSingleton still used).

Tests: build 0/0; Communication.Tests 640, Host.Tests 421 green. Removed the
ClusterClient.Send per-site-routing tests (covered by the transport suites), swapped
the ISiteClientFactory-based ctors to a substitute ISiteCommandTransport, converted
the audit-push integration relay to an in-process bridge transport.

Docs: Component-Communication/Host/StoreAndForward, components/Communication,
topology-guide, grpc_streams (SUPERSEDED note), the frame-size known-issue (retired
amendment), and CLAUDE.md transport decisions.

Not included: the dead IntegrationCallRequest path (#32) is a separate user-owned
behavioral decision — SiteEnvelope routing is transport-agnostic so it still compiles.
2026-07-23 12:54:32 -04:00

672 lines
27 KiB
C#

using Microsoft.Extensions.Configuration;
namespace ZB.MOM.WW.ScadaBridge.Host.Tests;
/// <summary>
/// WP-11: Tests for StartupValidator configuration validation.
/// </summary>
public class StartupValidatorTests
{
private static IConfiguration BuildConfig(Dictionary<string, string?> values)
{
return new ConfigurationBuilder()
.AddInMemoryCollection(values)
.Build();
}
private static Dictionary<string, string?> ValidCentralConfig() => new()
{
["ScadaBridge:Node:Role"] = "Central",
["ScadaBridge:Node:NodeHostname"] = "central-node1",
["ScadaBridge:Node:RemotingPort"] = "8081",
["ScadaBridge:Database:ConfigurationDb"] = "Server=localhost;Database=Config;",
["ScadaBridge:Database:MachineDataDb"] = "Server=localhost;Database=MachineData;",
["ScadaBridge:Security:Ldap:Server"] = "ldap.example.com",
["ScadaBridge:Security:JwtSigningKey"] = "test-signing-key-at-least-32-chars-long",
["ScadaBridge:Cluster:SeedNodes:0"] = "akka.tcp://scadabridge@central-node1:8081",
["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@central-node2:8081",
// 1fcc4f5: Central requires a pepper (≥16 chars) for the inbound-API peppered-HMAC verifier.
["ScadaBridge:InboundApi:ApiKeyPepper"] = "test-pepper-01234567890",
};
private static Dictionary<string, string?> ValidSiteConfig() => new()
{
["ScadaBridge:Node:Role"] = "Site",
["ScadaBridge:Node:NodeHostname"] = "site-a-node1",
["ScadaBridge:Node:SiteId"] = "SiteA",
["ScadaBridge:Node:RemotingPort"] = "8082",
["ScadaBridge:Database:SiteDbPath"] = "./data/scadabridge.db",
["ScadaBridge:Cluster:SeedNodes:0"] = "akka.tcp://scadabridge@site-a-node1:8082",
["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node2:8082",
// T0.3: the gRPC control plane is fail-closed, so a Site node without a preshared
// key serves nothing while still looking healthy. Required at boot for that reason.
["ScadaBridge:Communication:GrpcPsk"] = "test-site-control-plane-key",
// Phase 4: gRPC (CentralControlService) is the only site→central transport, so a Site
// node must list at least one central gRPC endpoint to dial (no Akka fallback remains).
["ScadaBridge:Communication:CentralGrpcEndpoints:0"] = "http://central-a:8083",
};
[Fact]
public void ValidCentralConfig_PassesValidation()
{
var config = BuildConfig(ValidCentralConfig());
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void ValidSiteConfig_PassesValidation()
{
var config = BuildConfig(ValidSiteConfig());
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void SiteWithoutGrpcPsk_FailsValidation()
{
// The failure this prevents is silent: ControlPlaneAuthInterceptor refuses every
// SiteStream call without a key, so the node boots, joins its pair, reports healthy —
// and serves no live streams, no audit pulls and no cached-telemetry ingest. Central
// sees a site that is up and answering heartbeats but never sends anything.
var values = ValidSiteConfig();
values.Remove("ScadaBridge:Communication:GrpcPsk");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("GrpcPsk", ex.Message);
}
[Fact]
public void SiteWithBlankGrpcPsk_FailsValidation()
{
// Whitespace is not a key. An empty-string value would otherwise satisfy a
// key-present check while leaving the interceptor in its fail-closed state.
var values = ValidSiteConfig();
values["ScadaBridge:Communication:GrpcPsk"] = " ";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("GrpcPsk", ex.Message);
}
[Fact]
public void CentralWithoutGrpcPsk_PassesValidation()
{
// Central holds one key PER SITE (SitePsks / the secret store), not a single key of
// its own, so this setting is meaningless there and must not be required.
var config = BuildConfig(ValidCentralConfig());
Assert.Null(Record.Exception(() => StartupValidator.Validate(config)));
}
[Fact]
public void SiteWithoutCentralGrpcEndpoints_FailsValidation()
{
// Phase 4: gRPC (CentralControlService) is the only site→central transport, so a Site
// node with no central gRPC endpoint has nothing to dial — heartbeats, health, notification
// forwards and audit ingest all silently fail. Fail fast at boot instead.
var values = ValidSiteConfig();
values.Remove("ScadaBridge:Communication:CentralGrpcEndpoints:0");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("CentralGrpcEndpoints", ex.Message);
}
[Fact]
public void CentralWithoutCentralGrpcEndpoints_PassesValidation()
{
// A central node hosts CentralControlService; it does not dial it, so it declares no
// endpoints. The site-only requirement must not fire for Central.
var config = BuildConfig(ValidCentralConfig());
Assert.Null(Record.Exception(() => StartupValidator.Validate(config)));
}
[Fact]
public void MissingRole_FailsValidation()
{
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Node:Role");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("Role must be 'Central' or 'Site'", ex.Message);
}
[Fact]
public void InvalidRole_FailsValidation()
{
var values = ValidCentralConfig();
values["ScadaBridge:Node:Role"] = "Unknown";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("Role must be 'Central' or 'Site'", ex.Message);
}
[Fact]
public void EmptyHostname_FailsValidation()
{
var values = ValidCentralConfig();
values["ScadaBridge:Node:NodeHostname"] = "";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("NodeHostname is required", ex.Message);
}
[Fact]
public void MissingHostname_FailsValidation()
{
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Node:NodeHostname");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("NodeHostname is required", ex.Message);
}
[Theory]
[InlineData("0")]
[InlineData("-1")]
[InlineData("65536")]
[InlineData("abc")]
[InlineData("")]
public void InvalidPort_FailsValidation(string port)
{
var values = ValidCentralConfig();
values["ScadaBridge:Node:RemotingPort"] = port;
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("RemotingPort must be 1-65535", ex.Message);
}
[Theory]
[InlineData("1")]
[InlineData("8081")]
[InlineData("65535")]
public void ValidPort_PassesValidation(string port)
{
var values = ValidCentralConfig();
values["ScadaBridge:Node:RemotingPort"] = port;
// The self-first seed rule (2026-07-22) compares host AND port, so this node's own
// seed entry moves with its remoting port — otherwise this port-range test would be
// asserting against a config that is inconsistent for an unrelated reason.
values["ScadaBridge:Cluster:SeedNodes:0"] = $"akka.tcp://scadabridge@central-node1:{port}";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Site_MissingSiteId_FailsValidation()
{
var values = ValidSiteConfig();
values.Remove("ScadaBridge:Node:SiteId");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("SiteId is required for Site nodes", ex.Message);
}
[Fact]
public void Central_MissingConfigurationDb_FailsValidation()
{
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Database:ConfigurationDb");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("ConfigurationDb connection string required for Central", ex.Message);
}
[Fact]
public void Central_MissingMachineDataDb_FailsValidation()
{
// Reverts Host-008. REQ-HOST-3/REQ-HOST-4 require MachineDataDb to be
// validated at startup for Central nodes, and the shipped docker appsettings
// (docker/central-node-a/appsettings.Central.json and central-node-b) carry
// the key. The prior Host-008 decision (which removed the Require) is reversed
// here (#17, M2.9): a missing MachineDataDb must fail fast with a clear error.
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Database:MachineDataDb");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("MachineDataDb connection string required for Central", ex.Message);
}
[Fact]
public void Central_MissingLdapServer_FailsValidation()
{
// Task 1.4: the LDAP server key nests under Security:Ldap now. The pre-host
// preflight validates the nested key and still fails fast for Central.
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Security:Ldap:Server");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("Ldap:Server required for Central", ex.Message);
}
[Fact]
public void Central_MissingJwtSigningKey_FailsValidation()
{
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Security:JwtSigningKey");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("JwtSigningKey required for Central", ex.Message);
}
[Fact]
public void Central_MissingApiKeyPepper_FailsValidation()
{
// Guard for 1fcc4f5: Central nodes require a pepper (≥16 chars) to back
// the inbound-API peppered-HMAC verifier. A missing pepper must fail fast
// so a misconfigured deployment is caught before the actor system starts.
var values = ValidCentralConfig();
values.Remove("ScadaBridge:InboundApi:ApiKeyPepper");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("ApiKeyPepper", ex.Message);
}
[Fact]
public void Central_ShortApiKeyPepper_FailsValidation()
{
// Guard for 1fcc4f5: a pepper shorter than 16 characters must also be rejected.
var values = ValidCentralConfig();
values["ScadaBridge:InboundApi:ApiKeyPepper"] = "tooshort";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("ApiKeyPepper", ex.Message);
}
[Fact]
public void Site_ApiKeyPepper_NotRequired()
{
// Site nodes do not host the inbound API, so the pepper must NOT be required
// for them — absence must not fail validation.
var values = ValidSiteConfig();
// Explicitly ensure no pepper is present
values.Remove("ScadaBridge:InboundApi:ApiKeyPepper");
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
/// <summary>
/// The inverse of the rule this replaces. SiteDbPath was mandatory for Site
/// nodes until LocalDb Phase 2 moved the site tables into the consolidated
/// LocalDb database; it now names only the legacy file the boot-time migrator
/// drains, so its absence means "nothing to migrate". Requiring it would make
/// every already-migrated node carry a dead key forever.
/// </summary>
[Fact]
public void Site_MissingSiteDbPath_IsAccepted_BecauseThePathIsMigrationOnly()
{
var values = ValidSiteConfig();
values.Remove("ScadaBridge:Database:SiteDbPath");
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void FewerThanTwoSeedNodes_FailsValidation()
{
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Cluster:SeedNodes:1");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("SeedNodes must have at least 2 entries", ex.Message);
}
[Fact]
public void NoSeedNodes_FailsValidation()
{
var values = ValidCentralConfig();
values.Remove("ScadaBridge:Cluster:SeedNodes:0");
values.Remove("ScadaBridge:Cluster:SeedNodes:1");
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("SeedNodes must have at least 2 entries", ex.Message);
}
[Fact]
public void PeerFirstSeedOrder_FailsValidation()
{
// Decision 2026-07-22: every node must list ITSELF as seed-nodes[0]. Akka only runs
// FirstSeedNodeProcess (the process that can form a new cluster when no peer answers)
// when seed-nodes[0] is this node's own address; with the peer first the node can
// never cold-start alone — the "registered outage gap".
var values = ValidCentralConfig();
values["ScadaBridge:Cluster:SeedNodes:0"] = "akka.tcp://scadabridge@central-node2:8081";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@central-node1:8081";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("SeedNodes", ex.Message);
Assert.Contains("must list this node itself first", ex.Message);
}
[Fact]
public void SelfFirstSeedOrder_OnASiteNode_PassesValidation()
{
// Positive control for the rule above: the shipped ordering must validate on a Site
// node too (the rule is unconditional, not Central-only).
var config = BuildConfig(ValidSiteConfig());
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void SelfFirstSeed_MatchedOnHostAndPort_NotJustHost()
{
// Both nodes of a pair can share a hostname when they differ by port (a two-node
// dev/loopback install). The rule must compare host AND port, or such a node passes
// while actually being the non-first seed.
var values = ValidCentralConfig();
values["ScadaBridge:Node:NodeHostname"] = "localhost";
values["ScadaBridge:Node:RemotingPort"] = "8082";
values["ScadaBridge:Cluster:SeedNodes:0"] = "akka.tcp://scadabridge@localhost:8081";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@localhost:8082";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("must list this node itself first", ex.Message);
}
[Theory]
[InlineData("0")]
[InlineData("-1")]
[InlineData("65536")]
[InlineData("abc")]
public void Site_InvalidGrpcPort_FailsValidation(string grpcPort)
{
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = grpcPort;
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("GrpcPort must be 1-65535", ex.Message);
}
[Fact]
public void Site_ValidGrpcPort_PassesValidation()
{
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = "8083";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Central_InvalidGrpcPort_NotValidated()
{
var values = ValidCentralConfig();
values["ScadaBridge:Node:GrpcPort"] = "0";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Site_SeedNodeOnGrpcPort_FailsValidation()
{
// Host-004 regression: a site seed node must reference an Akka remoting
// endpoint, never the Kestrel HTTP/2 gRPC port. A seed node whose port
// equals this node's GrpcPort would make a joining node attempt an
// Akka.Remote TCP association against the gRPC listener and fail.
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = "8083";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node1:8083";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("must not target the gRPC port", ex.Message);
}
[Fact]
public void Site_SeedNodeOnMetricsPort_FailsValidation()
{
// Review 01 [Medium]: appsettings.Site.json shipped a seed pointing at the
// Kestrel HTTP/1.1 metrics listener (8084) — a doomed Akka.Remote
// association. The validator guarded GrpcPort but not MetricsPort.
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = "8083";
values["ScadaBridge:Node:MetricsPort"] = "8084";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node1:8084";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("must not target the metrics port", ex.Message);
}
[Fact]
public void Site_SeedNodeOnDefaultMetricsPort_FailsValidation()
{
// MetricsPort absent => NodeOptions default 8084. A seed on 8084 must
// still be rejected. Keep GrpcPort distinct so only the metrics rule fires.
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = "8083";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node2:8084";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("must not target the metrics port", ex.Message);
}
[Fact]
public void Site_SeedNodeOnDefaultGrpcPort_FailsValidation()
{
// GrpcPort is absent here, so the NodeOptions default of 8083 applies.
// A seed node on 8083 must still be rejected.
var values = ValidSiteConfig();
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node2:8083";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("must not target the gRPC port", ex.Message);
}
[Fact]
public void Site_SeedNodesOnRemotingPort_PassesValidation()
{
// Two distinct site nodes, both seed entries on the remoting port (8082).
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = "8083";
values["ScadaBridge:Cluster:SeedNodes:0"] = "akka.tcp://scadabridge@site-a-node1:8082";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node2:8082";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Central_SeedNodeOnPort8083_PassesValidation()
{
// The gRPC-port rule applies to Site nodes only. A Central node has no
// GrpcPort, so a seed node on 8083 must not be rejected.
var values = ValidCentralConfig();
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@central-node2:8083";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Site_GrpcPortEqualsRemotingPort_FailsValidation()
{
// Host-007 regression: REQ-HOST-4 requires GrpcPort to differ from
// RemotingPort. Identical values cause Kestrel and Akka.Remote to
// contend for the same port at runtime.
var values = ValidSiteConfig();
values["ScadaBridge:Node:RemotingPort"] = "8082";
values["ScadaBridge:Node:GrpcPort"] = "8082";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("GrpcPort must differ from RemotingPort", ex.Message);
}
[Fact]
public void Site_DefaultGrpcPortEqualsRemotingPort_FailsValidation()
{
// GrpcPort absent => NodeOptions default 8083. A site whose RemotingPort
// is also 8083 must still be rejected.
var values = ValidSiteConfig();
values["ScadaBridge:Node:RemotingPort"] = "8083";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("GrpcPort must differ from RemotingPort", ex.Message);
}
[Fact]
public void Site_GrpcPortDiffersFromRemotingPort_PassesValidation()
{
var values = ValidSiteConfig();
values["ScadaBridge:Node:RemotingPort"] = "8082";
values["ScadaBridge:Node:GrpcPort"] = "8083";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Theory]
[InlineData("0")]
[InlineData("-1")]
[InlineData("65536")]
[InlineData("abc")]
public void Site_InvalidMetricsPort_FailsValidation(string metricsPort)
{
var values = ValidSiteConfig();
values["ScadaBridge:Node:MetricsPort"] = metricsPort;
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("MetricsPort must be 1-65535", ex.Message);
}
[Fact]
public void Site_ValidMetricsPort_PassesValidation()
{
var values = ValidSiteConfig();
values["ScadaBridge:Node:MetricsPort"] = "8084";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Site_MetricsPortEqualsRemotingPort_FailsValidation()
{
// Host-007 regression: the Kestrel metrics (HTTP/1.1) listener port must
// differ from RemotingPort. Identical values cause the metrics listener
// and Akka.Remote to contend for the same port at runtime.
var values = ValidSiteConfig();
values["ScadaBridge:Node:RemotingPort"] = "8082";
values["ScadaBridge:Node:MetricsPort"] = "8082";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("MetricsPort must differ from RemotingPort", ex.Message);
}
[Fact]
public void Site_MetricsPortEqualsGrpcPort_FailsValidation()
{
// Host-007 regression: the metrics listener port must differ from GrpcPort.
var values = ValidSiteConfig();
values["ScadaBridge:Node:GrpcPort"] = "8083";
values["ScadaBridge:Node:MetricsPort"] = "8083";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("MetricsPort must differ from GrpcPort", ex.Message);
}
[Fact]
public void Site_DefaultMetricsPortEqualsRemotingPort_FailsValidation()
{
// MetricsPort absent => NodeOptions default 8084. A site whose RemotingPort
// is also 8084 must still be rejected.
var values = ValidSiteConfig();
values["ScadaBridge:Node:RemotingPort"] = "8084";
// Keep GrpcPort distinct so only the metrics-vs-remoting rule fires.
values["ScadaBridge:Node:GrpcPort"] = "8083";
// Seed nodes default to the remoting port (8082) in ValidSiteConfig; realign
// them to 8084 so the seed-vs-grpc rule is not what trips here.
values["ScadaBridge:Cluster:SeedNodes:0"] = "akka.tcp://scadabridge@site-a-node1:8084";
values["ScadaBridge:Cluster:SeedNodes:1"] = "akka.tcp://scadabridge@site-a-node2:8084";
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("MetricsPort must differ from RemotingPort", ex.Message);
}
[Fact]
public void Site_MetricsPortDiffersFromRemotingAndGrpc_PassesValidation()
{
var values = ValidSiteConfig();
values["ScadaBridge:Node:RemotingPort"] = "8082";
values["ScadaBridge:Node:GrpcPort"] = "8083";
values["ScadaBridge:Node:MetricsPort"] = "8084";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void Central_InvalidMetricsPort_NotValidated()
{
// The metrics-port rules apply to Site nodes only; a Central node runs no
// metrics listener, so an out-of-range MetricsPort must not fail startup.
var values = ValidCentralConfig();
values["ScadaBridge:Node:MetricsPort"] = "0";
var config = BuildConfig(values);
var ex = Record.Exception(() => StartupValidator.Validate(config));
Assert.Null(ex);
}
[Fact]
public void MultipleErrors_AllReported()
{
var values = new Dictionary<string, string?>
{
// Role is missing, hostname is missing, port is missing
};
var config = BuildConfig(values);
var ex = Assert.Throws<InvalidOperationException>(() => StartupValidator.Validate(config));
Assert.Contains("Role must be 'Central' or 'Site'", ex.Message);
Assert.Contains("NodeHostname is required", ex.Message);
Assert.Contains("RemotingPort must be 1-65535", ex.Message);
Assert.Contains("SeedNodes must have at least 2 entries", ex.Message);
}
}