Files
ScadaBridge/tests/ZB.MOM.WW.ScadaBridge.Transport.IntegrationTests/Export/BundleExporterTests.cs
T

463 lines
21 KiB
C#

using System.Security.Cryptography;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using ZB.MOM.WW.ScadaBridge.Commons.Entities.ExternalSystems;
using ZB.MOM.WW.ScadaBridge.Commons.Entities.Instances;
using ZB.MOM.WW.ScadaBridge.Commons.Entities.Notifications;
using ZB.MOM.WW.ScadaBridge.Commons.Entities.Scripts;
using ZB.MOM.WW.ScadaBridge.Commons.Entities.Sites;
using ZB.MOM.WW.ScadaBridge.Commons.Entities.Templates;
using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Repositories;
using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Services;
using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Transport;
using ZB.MOM.WW.ScadaBridge.Commons.Types.Transport;
using ZB.MOM.WW.ScadaBridge.ConfigurationDatabase;
using ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Repositories;
using ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Services;
using ZB.MOM.WW.ScadaBridge.Transport;
using ZB.MOM.WW.ScadaBridge.Transport.Encryption;
using ZB.MOM.WW.ScadaBridge.Transport.Serialization;
namespace ZB.MOM.WW.ScadaBridge.Transport.IntegrationTests.Export;
/// <summary>
/// Integration tests for <see cref="ZB.MOM.WW.ScadaBridge.Transport.Export.BundleExporter"/>.
/// Builds a self-contained DI container (in-memory EF + the repositories +
/// AddTransport's pipeline) and asserts the exporter round-trips a real bundle
/// + writes the matching audit row. Using <see cref="ServiceCollection"/>
/// directly rather than <c>WebApplicationFactory</c> keeps the test focused on
/// the exporter — no HTTP, no Akka, no LDAP.
/// </summary>
public sealed class BundleExporterTests : IDisposable
{
private readonly ServiceProvider _provider;
public BundleExporterTests()
{
var services = new ServiceCollection();
// AddTransport's BindConfiguration call needs an IConfiguration in the
// container — an empty one is fine for these tests because the defaults
// baked into TransportOptions are exactly what we want.
services.AddSingleton<IConfiguration>(
new ConfigurationBuilder().AddInMemoryCollection().Build());
// In-memory EF — fresh database per test instance so seeded ids are
// predictable and the audit assertions can scan the whole table. The
// db name has to be resolved ONCE (outside the lambda) so every scope
// resolves the same underlying InMemoryStore — otherwise each scope's
// DbContext gets a new GUID and the seeded rows vanish between scopes.
var dbName = $"BundleExporterTests_{Guid.NewGuid()}";
services.AddDbContext<ScadaBridgeDbContext>(opts =>
opts.UseInMemoryDatabase(dbName));
// Repositories the resolver pulls from. M8 (B4): the resolver now injects
// ISiteRepository to walk the site/data-connection/instance closure, so it
// must be registered or the BuildServiceProvider-time graph resolution for
// DependencyResolver fails.
services.AddScoped<ITemplateEngineRepository, TemplateEngineRepository>();
services.AddScoped<IExternalSystemRepository, ExternalSystemRepository>();
services.AddScoped<INotificationRepository, NotificationRepository>();
services.AddScoped<IInboundApiRepository, InboundApiRepository>();
services.AddScoped<ISiteRepository, SiteRepository>();
// Audit pipeline — AuditService writes via the EF context + reads the
// bundle-import correlation id from the scoped context (null here, since
// export is not part of an import session).
services.AddScoped<IAuditCorrelationContext, AuditCorrelationContext>();
services.AddScoped<IAuditService, AuditService>();
// Add the transport pipeline itself.
services.AddTransport();
_provider = services.BuildServiceProvider();
}
public void Dispose() => _provider.Dispose();
[Fact]
public async Task ExportAsync_writes_audit_event_and_returns_valid_bundle()
{
// Arrange: seed two templates (one composing the other), a shared
// script referenced from the parent template, one external system, one
// notification list. Names live in the script bodies / DataSourceReference
// so the dependency resolver's substring scan picks them up.
await using (var scope = _provider.CreateAsyncScope())
{
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var helper = new SharedScript("HelperFn", "return 1;");
ctx.SharedScripts.Add(helper);
var erp = new ExternalSystemDefinition("ErpSystem", "https://erp.example", "ApiKey");
ctx.ExternalSystemDefinitions.Add(erp);
var list = new NotificationList("OnCall");
ctx.NotificationLists.Add(list);
await ctx.SaveChangesAsync();
var baseTemplate = new Template("BaseDevice")
{
Description = "shared base",
};
// Attribute body references the helper + external system, so
// IncludeDependencies=true pulls them in automatically.
baseTemplate.Scripts.Add(new TemplateScript("init",
"var x = HelperFn(); ErpSystem.Call(\"x\");"));
ctx.Templates.Add(baseTemplate);
await ctx.SaveChangesAsync();
var composing = new Template("Pump")
{
Description = "composes BaseDevice",
};
ctx.Templates.Add(composing);
await ctx.SaveChangesAsync();
composing.Compositions.Add(new TemplateComposition("base")
{
TemplateId = composing.Id,
ComposedTemplateId = baseTemplate.Id,
});
await ctx.SaveChangesAsync();
}
// Act
Stream bundleStream;
await using (var scope = _provider.CreateAsyncScope())
{
var exporter = scope.ServiceProvider.GetRequiredService<IBundleExporter>();
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var templateIds = await ctx.Templates.Select(t => t.Id).ToListAsync();
var selection = new ExportSelection(
TemplateIds: templateIds,
SharedScriptIds: Array.Empty<int>(),
ExternalSystemIds: Array.Empty<int>(),
DatabaseConnectionIds: Array.Empty<int>(),
NotificationListIds: Array.Empty<int>(),
SmtpConfigurationIds: Array.Empty<int>(),
ApiMethodIds: Array.Empty<int>(),
IncludeDependencies: true);
bundleStream = await exporter.ExportAsync(
selection, user: "alice", sourceEnvironment: "dev",
passphrase: null, cancellationToken: CancellationToken.None);
}
// Copy to byte[] so we can re-open the zip multiple times below.
byte[] bundleBytes;
using (var ms = new MemoryStream())
{
await bundleStream.CopyToAsync(ms);
bundleBytes = ms.ToArray();
}
// Assert: non-empty, valid zip with the expected manifest + content.
Assert.NotEmpty(bundleBytes);
var serializer = _provider.GetRequiredService<BundleSerializer>();
BundleManifest manifest;
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
manifest = serializer.ReadManifest(ms);
}
Assert.Equal("dev", manifest.SourceEnvironment);
Assert.Equal("alice", manifest.ExportedBy);
Assert.Null(manifest.Encryption);
Assert.Equal(2, manifest.Summary.Templates);
Assert.Equal(1, manifest.Summary.SharedScripts);
Assert.Equal(1, manifest.Summary.ExternalSystems);
byte[] rawContent;
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
rawContent = serializer.ReadContentBytes(ms, manifest);
}
var content = serializer.UnpackContent(rawContent, manifest, passphrase: null, encryptor: null);
Assert.Equal(2, content.Templates.Count);
Assert.Contains(content.Templates, t => t.Name == "BaseDevice");
Assert.Contains(content.Templates, t => t.Name == "Pump");
Assert.Single(content.SharedScripts);
Assert.Equal("HelperFn", content.SharedScripts[0].Name);
Assert.Single(content.ExternalSystems);
Assert.Equal("ErpSystem", content.ExternalSystems[0].Name);
// Audit row landed with the expected shape — Action discriminates the
// unencrypted export path, EntityId is the SHA-256 of the zip bytes.
await using (var scope = _provider.CreateAsyncScope())
{
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var entry = await ctx.AuditLogEntries.SingleAsync();
Assert.Equal("UnencryptedBundleExport", entry.Action);
Assert.Equal("alice", entry.User);
Assert.Equal("Bundle", entry.EntityType);
Assert.Equal("dev", entry.EntityName);
var expectedHash = "sha256:" + Convert.ToHexString(SHA256.HashData(bundleBytes))
.ToLowerInvariant();
Assert.Equal(expectedHash, entry.EntityId);
}
}
[Fact]
public async Task ExportAsync_with_passphrase_produces_encrypted_bundle()
{
// Arrange: minimal template only — we want to exercise the encryption
// path, not the dependency resolver.
await using (var scope = _provider.CreateAsyncScope())
{
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
ctx.Templates.Add(new Template("Solo") { Description = "alone" });
await ctx.SaveChangesAsync();
}
// Act
Stream bundleStream;
await using (var scope = _provider.CreateAsyncScope())
{
var exporter = scope.ServiceProvider.GetRequiredService<IBundleExporter>();
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var ids = await ctx.Templates.Select(t => t.Id).ToListAsync();
var selection = new ExportSelection(
TemplateIds: ids,
SharedScriptIds: Array.Empty<int>(),
ExternalSystemIds: Array.Empty<int>(),
DatabaseConnectionIds: Array.Empty<int>(),
NotificationListIds: Array.Empty<int>(),
SmtpConfigurationIds: Array.Empty<int>(),
ApiMethodIds: Array.Empty<int>(),
IncludeDependencies: true);
bundleStream = await exporter.ExportAsync(
selection, user: "bob", sourceEnvironment: "stg",
passphrase: "correct horse battery staple",
cancellationToken: CancellationToken.None);
}
byte[] bundleBytes;
using (var ms = new MemoryStream())
{
await bundleStream.CopyToAsync(ms);
bundleBytes = ms.ToArray();
}
// Assert: manifest carries fresh encryption metadata; wrong passphrase
// throws (AES-GCM tag mismatch); audit action is "BundleExported".
var serializer = _provider.GetRequiredService<BundleSerializer>();
var encryptor = _provider.GetRequiredService<BundleSecretEncryptor>();
BundleManifest manifest;
byte[] rawContent;
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
manifest = serializer.ReadManifest(ms);
}
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
rawContent = serializer.ReadContentBytes(ms, manifest);
}
Assert.NotNull(manifest.Encryption);
Assert.Equal("AES-256-GCM", manifest.Encryption!.Algorithm);
Assert.False(string.IsNullOrEmpty(manifest.Encryption.SaltB64));
Assert.False(string.IsNullOrEmpty(manifest.Encryption.IvB64));
// Wrong passphrase fails AES-GCM tag verification — the runtime throws
// the more specific AuthenticationTagMismatchException (a CryptographicException
// subclass on .NET 10), so ThrowsAny is correct here.
Assert.ThrowsAny<CryptographicException>(() =>
serializer.UnpackContent(rawContent, manifest, "wrong", encryptor));
// Right passphrase unpacks back to the seeded template.
var content = serializer.UnpackContent(
rawContent, manifest, "correct horse battery staple", encryptor);
Assert.Single(content.Templates);
Assert.Equal("Solo", content.Templates[0].Name);
await using (var scope = _provider.CreateAsyncScope())
{
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var entry = await ctx.AuditLogEntries.SingleAsync();
Assert.Equal("BundleExported", entry.Action);
Assert.Equal("bob", entry.User);
Assert.Equal("stg", entry.EntityName);
}
}
[Fact]
public async Task ExportAsync_with_site_selection_packs_sites_dataconnections_and_instances()
{
// Arrange: a site with one data connection and one instance (on a template)
// bound to that connection. Selecting the site pulls its data connection +
// all its instances; the instance's binding edge proves the closure walks
// the instance's child collections (review item I3 — proves the aggregate
// wiring actually carries the site/instance arrays into the bundle).
int siteId;
await using (var scope = _provider.CreateAsyncScope())
{
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var template = new Template("PumpStation") { Description = "for instance" };
ctx.Templates.Add(template);
var site = new Site("North Plant", "NORTH-01") { Description = "north site" };
ctx.Sites.Add(site);
await ctx.SaveChangesAsync();
siteId = site.Id;
var conn = new DataConnection("PlcA", "OpcUa", site.Id);
ctx.DataConnections.Add(conn);
await ctx.SaveChangesAsync();
var instance = new Instance("NORTH-01.Pump1") { TemplateId = template.Id, SiteId = site.Id };
ctx.Instances.Add(instance);
await ctx.SaveChangesAsync();
ctx.InstanceConnectionBindings.Add(new InstanceConnectionBinding("Flow")
{
InstanceId = instance.Id,
DataConnectionId = conn.Id,
});
await ctx.SaveChangesAsync();
}
// Act: select the site (no central-config entities) with deps on, so the
// site closure also pulls each instance's owning template — the realistic
// "export a whole site" path.
Stream bundleStream;
await using (var scope = _provider.CreateAsyncScope())
{
var exporter = scope.ServiceProvider.GetRequiredService<IBundleExporter>();
var selection = new ExportSelection(
TemplateIds: Array.Empty<int>(),
SharedScriptIds: Array.Empty<int>(),
ExternalSystemIds: Array.Empty<int>(),
DatabaseConnectionIds: Array.Empty<int>(),
NotificationListIds: Array.Empty<int>(),
SmtpConfigurationIds: Array.Empty<int>(),
ApiMethodIds: Array.Empty<int>(),
IncludeDependencies: true,
SiteIds: new[] { siteId });
bundleStream = await exporter.ExportAsync(
selection, user: "carol", sourceEnvironment: "dev",
passphrase: null, cancellationToken: CancellationToken.None);
}
byte[] bundleBytes;
using (var ms = new MemoryStream())
{
await bundleStream.CopyToAsync(ms);
bundleBytes = ms.ToArray();
}
// Assert: manifest summary counts the site/data-connection/instance, and
// the unpacked content carries the actual arrays (I3 — without the
// EntityAggregate wiring these would be empty).
var serializer = _provider.GetRequiredService<BundleSerializer>();
BundleManifest manifest;
byte[] rawContent;
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
manifest = serializer.ReadManifest(ms);
}
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
rawContent = serializer.ReadContentBytes(ms, manifest);
}
Assert.Equal(1, manifest.Summary.Sites);
Assert.Equal(1, manifest.Summary.DataConnections);
Assert.Equal(1, manifest.Summary.Instances);
var content = serializer.UnpackContent(rawContent, manifest, passphrase: null, encryptor: null);
Assert.Single(content.Sites);
Assert.Equal("NORTH-01", content.Sites[0].SiteIdentifier);
Assert.Single(content.DataConnections);
Assert.Equal("PlcA", content.DataConnections[0].Name);
Assert.Single(content.Instances);
Assert.Equal("NORTH-01.Pump1", content.Instances[0].UniqueName);
Assert.Equal("PumpStation", content.Instances[0].TemplateName);
// The instance carries its binding, and the manifest dep-edge resolves the
// owning site by identifier (I1) — Site:NORTH-01, never Site:<rawId>.
Assert.Single(content.Instances[0].ConnectionBindings);
var instanceEntry = Assert.Single(
manifest.Contents,
e => e.Type == "Instance" && e.Name == "NORTH-01.Pump1");
Assert.Contains($"Site:NORTH-01", instanceEntry.DependsOn);
Assert.DoesNotContain(instanceEntry.DependsOn, d => d == $"Site:{siteId}");
}
[Fact]
public async Task ExportAsync_directly_selected_instance_records_owning_site_by_identifier()
{
// I1: a directly-selected instance with IncludeDependencies=false does NOT
// pack its owning site, yet the manifest dep-edge must still read
// Site:<identifier> (resolved via the site-identifier enrichment) rather
// than degrading to Site:<rawId>.
int instanceId;
int siteId;
await using (var scope = _provider.CreateAsyncScope())
{
var ctx = scope.ServiceProvider.GetRequiredService<ScadaBridgeDbContext>();
var template = new Template("Valve") { Description = "for instance" };
ctx.Templates.Add(template);
var site = new Site("South Plant", "SOUTH-09") { Description = "south" };
ctx.Sites.Add(site);
await ctx.SaveChangesAsync();
siteId = site.Id;
var instance = new Instance("SOUTH-09.Valve1") { TemplateId = template.Id, SiteId = site.Id };
ctx.Instances.Add(instance);
await ctx.SaveChangesAsync();
instanceId = instance.Id;
}
Stream bundleStream;
await using (var scope = _provider.CreateAsyncScope())
{
var exporter = scope.ServiceProvider.GetRequiredService<IBundleExporter>();
var selection = new ExportSelection(
TemplateIds: Array.Empty<int>(),
SharedScriptIds: Array.Empty<int>(),
ExternalSystemIds: Array.Empty<int>(),
DatabaseConnectionIds: Array.Empty<int>(),
NotificationListIds: Array.Empty<int>(),
SmtpConfigurationIds: Array.Empty<int>(),
ApiMethodIds: Array.Empty<int>(),
IncludeDependencies: false,
InstanceIds: new[] { instanceId });
bundleStream = await exporter.ExportAsync(
selection, user: "dave", sourceEnvironment: "dev",
passphrase: null, cancellationToken: CancellationToken.None);
}
byte[] bundleBytes;
using (var ms = new MemoryStream())
{
await bundleStream.CopyToAsync(ms);
bundleBytes = ms.ToArray();
}
var serializer = _provider.GetRequiredService<BundleSerializer>();
BundleManifest manifest;
using (var ms = new MemoryStream(bundleBytes, writable: false))
{
manifest = serializer.ReadManifest(ms);
}
// Instance is packed; its owning site is NOT (deps off, site not selected).
Assert.Equal(1, manifest.Summary.Instances);
Assert.Equal(0, manifest.Summary.Sites);
var instanceEntry = Assert.Single(
manifest.Contents,
e => e.Type == "Instance" && e.Name == "SOUTH-09.Valve1");
// I1: the dep-edge reads the portable identifier, not the raw surrogate id.
Assert.Contains("Site:SOUTH-09", instanceEntry.DependsOn);
Assert.DoesNotContain(instanceEntry.DependsOn, d => d == $"Site:{siteId}");
}
}