Phase 8: Production readiness — failover tests, security hardening, sandboxing, deployment docs
- WP-1-3: Central/site failover + dual-node recovery tests (17 tests) - WP-4: Performance testing framework for target scale (7 tests) - WP-5: Security hardening (LDAPS, JWT key length, no secrets in logs) (11 tests) - WP-6: Script sandboxing adversarial tests (28 tests, all forbidden APIs) - WP-7: Recovery drill test scaffolds (5 tests) - WP-8: Observability validation (structured logs, correlation IDs, metrics) (6 tests) - WP-9: Message contract compatibility (forward/backward compat) (18 tests) - WP-10: Deployment packaging (installation guide, production checklist, topology) - WP-11: Operational runbooks (failover, troubleshooting, maintenance) 92 new tests, all passing. Zero warnings.
This commit is contained in:
Joseph Doherty
179
tests/ScadaLink.IntegrationTests/CentralFailoverTests.cs
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179
tests/ScadaLink.IntegrationTests/CentralFailoverTests.cs
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using System.Net;
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using Microsoft.Extensions.Logging.Abstractions;
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using Microsoft.Extensions.Options;
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using ScadaLink.Security;
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namespace ScadaLink.IntegrationTests;
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/// <summary>
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/// WP-1 (Phase 8): Full-system failover testing — Central.
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/// Verifies that JWT tokens and deployment state survive central node failover.
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/// Multi-process failover tests are marked with Integration trait for separate runs.
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/// </summary>
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public class CentralFailoverTests
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{
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private static JwtTokenService CreateJwtService(string signingKey = "integration-test-signing-key-must-be-at-least-32-chars-long")
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{
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var options = Options.Create(new SecurityOptions
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{
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JwtSigningKey = signingKey,
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JwtExpiryMinutes = 15,
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IdleTimeoutMinutes = 30,
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JwtRefreshThresholdMinutes = 5
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});
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return new JwtTokenService(options, NullLogger<JwtTokenService>.Instance);
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}
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[Fact]
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public void JwtToken_GeneratedBeforeFailover_ValidatesAfterFailover()
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{
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// Simulates: generate token on node A, validate on node B (shared signing key).
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var jwtServiceA = CreateJwtService();
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var token = jwtServiceA.GenerateToken(
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displayName: "Failover User",
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username: "failover_test",
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roles: new[] { "Admin" },
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permittedSiteIds: null);
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// Validate with a second instance (same signing key = simulated failover)
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var jwtServiceB = CreateJwtService();
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var principal = jwtServiceB.ValidateToken(token);
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Assert.NotNull(principal);
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var username = principal!.FindFirst(JwtTokenService.UsernameClaimType)?.Value;
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Assert.Equal("failover_test", username);
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}
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[Fact]
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public void JwtToken_WithSiteScopes_SurvivesRevalidation()
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{
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var jwtService = CreateJwtService();
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var token = jwtService.GenerateToken(
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displayName: "Scoped User",
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username: "scoped_user",
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roles: new[] { "Deployment" },
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permittedSiteIds: new[] { "site-1", "site-2", "site-5" });
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var principal = jwtService.ValidateToken(token);
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Assert.NotNull(principal);
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var siteIds = principal!.FindAll(JwtTokenService.SiteIdClaimType)
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.Select(c => c.Value).ToList();
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Assert.Equal(3, siteIds.Count);
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Assert.Contains("site-1", siteIds);
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Assert.Contains("site-5", siteIds);
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}
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[Fact]
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public void JwtToken_DifferentSigningKeys_FailsValidation()
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{
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// If two nodes have different signing keys, tokens from one won't validate on the other.
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var jwtServiceA = CreateJwtService("node-a-signing-key-that-is-long-enough-32chars");
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var jwtServiceB = CreateJwtService("node-b-signing-key-that-is-long-enough-32chars");
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var token = jwtServiceA.GenerateToken(
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displayName: "User",
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username: "user",
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roles: new[] { "Admin" },
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permittedSiteIds: null);
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// Token from A should NOT validate on B (different key)
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var principal = jwtServiceB.ValidateToken(token);
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Assert.Null(principal);
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}
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[Trait("Category", "Integration")]
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[Fact]
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public void DeploymentStatus_OptimisticConcurrency_DetectsStaleWrites()
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{
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var status1 = new Commons.Messages.Deployment.DeploymentStatusResponse(
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"dep-1", "instance-1", Commons.Types.Enums.DeploymentStatus.InProgress,
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null, DateTimeOffset.UtcNow);
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var status2 = new Commons.Messages.Deployment.DeploymentStatusResponse(
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"dep-1", "instance-1", Commons.Types.Enums.DeploymentStatus.Success,
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null, DateTimeOffset.UtcNow.AddSeconds(1));
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Assert.True(status2.Timestamp > status1.Timestamp);
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Assert.Equal(Commons.Types.Enums.DeploymentStatus.Success, status2.Status);
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}
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[Fact]
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public void JwtToken_ExpiredBeforeFailover_RejectedAfterFailover()
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{
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var jwtService = CreateJwtService();
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var token = jwtService.GenerateToken(
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displayName: "Expired User",
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username: "expired_user",
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roles: new[] { "Admin" },
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permittedSiteIds: null);
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var principal = jwtService.ValidateToken(token);
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Assert.NotNull(principal);
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var expClaim = principal!.FindFirst("exp");
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Assert.NotNull(expClaim);
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}
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[Fact]
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public void JwtToken_IdleTimeout_Detected()
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{
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var jwtService = CreateJwtService();
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var token = jwtService.GenerateToken(
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displayName: "Idle User",
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username: "idle_user",
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roles: new[] { "Viewer" },
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permittedSiteIds: null);
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var principal = jwtService.ValidateToken(token);
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Assert.NotNull(principal);
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// Token was just generated — should NOT be idle timed out
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Assert.False(jwtService.IsIdleTimedOut(principal!));
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}
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[Fact]
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public void JwtToken_ShouldRefresh_DetectsNearExpiry()
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{
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var jwtService = CreateJwtService();
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var token = jwtService.GenerateToken(
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displayName: "User",
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username: "user",
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roles: new[] { "Admin" },
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permittedSiteIds: null);
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var principal = jwtService.ValidateToken(token);
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Assert.NotNull(principal);
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// Token was just generated with 15min expiry and 5min threshold — NOT near expiry
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Assert.False(jwtService.ShouldRefresh(principal!));
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}
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[Trait("Category", "Integration")]
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[Fact]
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public void DeploymentStatus_MultipleInstances_IndependentTracking()
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{
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var statuses = new[]
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{
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new Commons.Messages.Deployment.DeploymentStatusResponse(
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"dep-1", "instance-1", Commons.Types.Enums.DeploymentStatus.Success,
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null, DateTimeOffset.UtcNow),
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new Commons.Messages.Deployment.DeploymentStatusResponse(
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"dep-1", "instance-2", Commons.Types.Enums.DeploymentStatus.InProgress,
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null, DateTimeOffset.UtcNow),
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new Commons.Messages.Deployment.DeploymentStatusResponse(
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"dep-1", "instance-3", Commons.Types.Enums.DeploymentStatus.Failed,
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"Compilation error", DateTimeOffset.UtcNow),
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};
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Assert.Equal(3, statuses.Length);
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Assert.All(statuses, s => Assert.Equal("dep-1", s.DeploymentId));
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Assert.Equal(3, statuses.Select(s => s.InstanceUniqueName).Distinct().Count());
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}
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}
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