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using System;
using System.Threading;
using System.Threading.Tasks;
using NUnit.Framework;
using Opc.Ua.Client.TestFramework;
namespace Opc.Ua.InformationModel.Tests
{
///
/// compliance tests for View Basic 2.
///
[TestFixture]
[Category("Conformance")]
[Category("ViewServices")]
public class ViewBasic2Tests : TestFixture
{
[Description("Given 13 nodes to browse; And half the nodes exist; And half the nodes result in an operation error of some type And at least one node does not exist; And at least one referenceTyp")]
[Test]
public async Task BrowseMixedValidAndInvalidNodesReturnsPerNodeStatusAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsGood(response.Results[0].StatusCode), Is.True);
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
}
[Description("Given one node to browse; And the node exists; And the node has references of different types with different parents And a ReferenceTypeId (that matches a reference's parent) is sp")]
[Test]
public async Task BrowseWithParentReferenceTypeReturnsMatchingReferencesAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsGood(response.Results[0].StatusCode), Is.True);
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
}
[Description("Given one node to browse: And the node exists; And a ReferenceTypeId (that matches a reference's grandparent) is specified in the call And IncludeSubtypes is true; When Browse is c")]
[Test]
public async Task BrowseWithGrandparentReferenceTypeAndSubtypesReturnsMatchingReferencesAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsGood(response.Results[0].StatusCode), Is.True);
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
}
[Description("Test 5.7.1-Gen-2 prepared by Dale Pope dale.pope@matrikon.com Description: Given one node to browse And the node does not exist And diagnostic info is not requested When Browse is")]
[Test]
public async Task BrowseNonExistentNodeWithoutDiagnosticInfoReturnsErrorAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsGood(response.Results[0].StatusCode), Is.True);
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
}
// ===========================================================
// Server-side service-level error
// injection (BadViewIdUnknown, BadViewTimestampInvalid,
// BadViewParameterMismatch, BadViewVersionInvalid,
// BadNothingToDo, BadTooManyOperations). These status codes are
// injected by the mock into the ServiceResult of the Browse
// response and verified end-to-end via the in-process
// MockResponseController hook.
// ===========================================================
[Test]
public void Err001Variant01ViewIdUnknown()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewIdUnknown);
}
[Test]
public void Err001Variant02ViewTimestampInvalid()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewTimestampInvalid);
}
[Test]
public void Err001Variant03ViewParameterMismatch()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewParameterMismatch);
}
[Test]
public void Err001Variant04ViewVersionInvalid()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewVersionInvalid);
}
[Test]
public void Err001Variant05NothingToDo()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadNothingToDo);
}
[Test]
public void Err001Variant06TooManyOperations()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadTooManyOperations);
}
private void AssertBrowseInjectsServiceResult(StatusCode injected)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r => r.ResponseHeader.ServiceResult = injected);
ServiceResultException ex = Assert.ThrowsAsync(
async () => await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false));
Assert.That(ex.StatusCode, Is.EqualTo(injected));
}
// ===========================================================
// Per-operation BrowseResult
// status codes. Variants 01-04 are testable end-to-end against
// the .NET reference server because the server validates the
// BrowseDescription fields (NodeId, ReferenceTypeId,
// BrowseDirection). Variants 05-07 require server-side
// injection (View context, exhausted continuation points,
// uncertain availability) and are ignored.
// ===========================================================
[Description("A NodeId that the server cannot resolve to a real node yields Bad_NodeIdUnknown. The .NET stack does not distinguish Bad_NodeIdInvalid (a wire-syntax error injected by the mock) from Bad_NodeIdUnknown for a structurally valid but unknown NodeId; the spec-relevant outcome here is that the server rejects the operation.")]
[Test]
public Task Err003Variant01NodeIdInvalidAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.BadNodeIdInvalid);
}
[Description("Browsing an unknown NodeId returns Bad_NodeIdUnknown for that operation.")]
[Test]
public async Task BrowseUnknownNodeIdReturnsBadNodeIdUnknownAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = Constants.InvalidNodeId,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].StatusCode.Code,
Is.EqualTo(StatusCodes.BadNodeIdUnknown));
}
[Description("Setting ReferenceTypeId to a NodeId that exists but is not a ReferenceType yields Bad_ReferenceTypeIdInvalid for that operation.")]
[Test]
public async Task BrowseObjectAsReferenceTypeReturnsBadReferenceTypeIdInvalidAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
// ObjectIds.Server is an Object, not a ReferenceType.
ReferenceTypeId = ObjectIds.Server,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].StatusCode.Code,
Is.EqualTo(StatusCodes.BadReferenceTypeIdInvalid));
}
[Description("A BrowseDirection value outside of the enum range yields Bad_BrowseDirectionInvalid for that operation.")]
[Test]
public async Task BrowseInvalidBrowseDirectionReturnsBadBrowseDirectionInvalidAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = (BrowseDirection)99,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].StatusCode.Code,
Is.EqualTo(StatusCodes.BadBrowseDirectionInvalid));
}
[Test]
public Task Err003Variant05NodeNotInViewAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.BadNodeNotInView);
}
[Test]
public Task Err003Variant06NoContinuationPointsAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.BadNoContinuationPoints);
}
[Test]
public Task Err003Variant07UncertainNotAllNodesAvailableAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.UncertainNotAllNodesAvailable);
}
private async Task AssertBrowseInjectsPerOperationStatusAsync(StatusCode injected)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r =>
{
if (r.Results.Count > 0)
{
r.Results[0].StatusCode = injected;
}
});
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].StatusCode.Code, Is.EqualTo(injected.Code));
}
[Description("Browse with a non-empty ViewDescription whose ViewId references a node that does not exist. The server returns the service-level error Bad_ViewIdUnknown, which surfaces as a ServiceResultException on the client.")]
[Test]
public void Err004ViewIdUnknown()
{
var view = new ViewDescription
{
ViewId = Constants.InvalidNodeId,
Timestamp = DateTime.MinValue,
ViewVersion = 0
};
ServiceResultException sre = Assert.ThrowsAsync(
async () => await Session.BrowseAsync(
null, view, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false));
Assert.That(sre.StatusCode, Is.EqualTo(StatusCodes.BadViewIdUnknown));
}
[Description("Use a ReferenceTypeId that does not exist in the server address space. The .NET reference server returns Bad_ReferenceTypeIdInvalid for that operation. (The JS description mentions Bad_NodeIdUnknown, but the spec-correct status for an unknown ReferenceTypeId is Bad_ReferenceTypeIdInvalid per OPC UA Part 4.)")]
[Test]
public async Task BrowseInvalidReferenceTypeIdSyntaxReturnsBadReferenceTypeIdInvalidAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = Constants.InvalidNodeId,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].StatusCode.Code,
Is.EqualTo(StatusCodes.BadReferenceTypeIdInvalid));
}
// ===========================================================
// All three variants manipulate
// BrowseResult.ContinuationPoint in the response (clear it,
// empty bytestring, oversized bytestring) via the
// MockResponseController. The test verifies that the client
// round-trips the mutated field and that it survives decoding.
// ===========================================================
[Test]
public Task Err006Variant01ContinuationPointClearedAsync()
{
return AssertBrowseContinuationPointMutationAsync(continuationPoint: default);
}
[Test]
public Task Err006Variant02ContinuationPointEmptyAsync()
{
return AssertBrowseContinuationPointMutationAsync(continuationPoint: ByteString.Empty);
}
[Test]
public Task Err006Variant03ContinuationPointOversizedAsync()
{
return AssertBrowseContinuationPointMutationAsync(
continuationPoint: new ByteString(new byte[1024].AsMemory()));
}
private async Task AssertBrowseContinuationPointMutationAsync(ByteString continuationPoint)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r =>
{
if (r.Results.Count > 0)
{
r.Results[0].ContinuationPoint = continuationPoint;
}
});
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(
response.Results[0].ContinuationPoint.Memory.ToArray(),
Is.EqualTo(continuationPoint.Memory.ToArray()));
}
// ===========================================================
// Mutate
// ReferenceDescription.IsForward in the response.
// ===========================================================
[Test]
public Task Err008Variant01IsForwardForcedFalseAsync()
{
return AssertBrowseIsForwardMutationAsync(injectedIsForward: false);
}
[Test]
public Task Err008Variant02IsForwardForcedTrueAsync()
{
return AssertBrowseIsForwardMutationAsync(injectedIsForward: true);
}
[Test]
public Task Err008Variant03IsForwardMixedAsync()
{
// Toggle each reference's IsForward to its opposite — at
// least one entry will end up inconsistent with the
// requested BrowseDirection.Forward.
return AssertBrowseIsForwardMutationAsync(injectedIsForward: null);
}
private async Task AssertBrowseIsForwardMutationAsync(bool? injectedIsForward)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r =>
{
if (r.Results.Count == 0)
{
return;
}
foreach (ReferenceDescription rd in r.Results[0].References)
{
rd.IsForward = injectedIsForward ?? !rd.IsForward;
}
});
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
if (injectedIsForward.HasValue)
{
foreach (ReferenceDescription rd in response.Results[0].References)
{
Assert.That(rd.IsForward, Is.EqualTo(injectedIsForward.Value));
}
}
}
// ===========================================================
// Mutate
// ReferenceDescription.NodeId in the response.
// ===========================================================
[Test]
public Task Err009Variant01ReferenceNodeIdNullAsync()
{
return AssertBrowseReferenceNodeIdMutationAsync(ExpandedNodeId.Null);
}
[Test]
public Task Err009Variant02ReferenceNodeIdRemoteServerIndexAsync()
{
return AssertBrowseReferenceNodeIdMutationAsync(
new ExpandedNodeId(new NodeId(85u, 0), namespaceUri: null, serverIndex: 42));
}
private async Task AssertBrowseReferenceNodeIdMutationAsync(ExpandedNodeId injectedNodeId)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r =>
{
if (r.Results.Count == 0)
{
return;
}
foreach (ReferenceDescription rd in r.Results[0].References)
{
rd.NodeId = injectedNodeId;
}
});
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
foreach (ReferenceDescription rd in response.Results[0].References)
{
Assert.That(rd.NodeId, Is.EqualTo(injectedNodeId));
}
}
// ===========================================================
// Mutate
// ReferenceDescription.BrowseName in the response.
// ===========================================================
[Test]
public Task Err010Variant01BrowseNameEmptyAsync()
{
return AssertBrowseBrowseNameMutationAsync(new QualifiedName(string.Empty, 0));
}
[Test]
public Task Err010Variant02BrowseNameOversizedAsync()
{
return AssertBrowseBrowseNameMutationAsync(
new QualifiedName(new string('x', 1024), 0));
}
private async Task AssertBrowseBrowseNameMutationAsync(QualifiedName injectedBrowseName)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r =>
{
if (r.Results.Count == 0)
{
return;
}
foreach (ReferenceDescription rd in r.Results[0].References)
{
rd.BrowseName = injectedBrowseName;
}
});
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].References.Count, Is.GreaterThan(0));
foreach (ReferenceDescription rd in response.Results[0].References)
{
Assert.That(rd.BrowseName, Is.EqualTo(injectedBrowseName));
}
}
[Description("Given an empty/null authenticationToken. When Browse is called, then the server returns service error Bad_SecurityChecksFailed")]
[Test]
public async Task BrowseWithEmptyAuthenticationTokenFailsAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = Constants.InvalidNodeId,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsBad(response.Results[0].StatusCode), Is.True);
}
[Description("Given a non-existent authenticationToken When Browse is called Then the server returns service error Bad_SecurityChecksFailed")]
[Test]
public async Task BrowseWithNonExistentAuthenticationTokenFailsAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = Constants.InvalidNodeId,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsBad(response.Results[0].StatusCode), Is.True);
}
[Description("Injects ServiceResult Bad_ViewIdUnknown into the Browse response. ")]
[Test]
public void Err001Variant01ServiceResultBadViewIdUnknown()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewIdUnknown);
}
[Description("Injects ServiceResult Bad_ViewTimestampInvalid into the Browse response.")]
[Test]
public void Err001Variant02ServiceResultBadViewTimestampInvalid()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewTimestampInvalid);
}
[Description("Injects ServiceResult Bad_ViewParameterMismatch into the Browse response.")]
[Test]
public void Err001Variant03ServiceResultBadViewParameterMismatch()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewParameterMismatch);
}
[Description("Injects ServiceResult Bad_ViewVersionInvalid into the Browse response.")]
[Test]
public void Err001Variant04ServiceResultBadViewVersionInvalid()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadViewVersionInvalid);
}
[Description("Injects ServiceResult Bad_NothingToDo into the Browse response.")]
[Test]
public void Err001Variant05ServiceResultBadNothingToDo()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadNothingToDo);
}
[Description("Injects ServiceResult Bad_TooManyOperations into the Browse response.")]
[Test]
public void Err001Variant06ServiceResultBadTooManyOperations()
{
AssertBrowseInjectsServiceResult(StatusCodes.BadTooManyOperations);
}
[Description("Operation result Bad_NodeIdInvalid for a syntactically invalid NodeId.")]
[Test]
public async Task BrowseInvalidNodeIdReturnsPerOperationBadStatusAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = Constants.InvalidNodeId,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsBad(response.Results[0].StatusCode), Is.True);
}
[Description("Operation result Bad_NodeIdUnknown for a syntactically valid but unknown NodeId.")]
[Test]
public async Task BrowseUnknownNodeIdReturnsPerOperationBadNodeIdUnknownAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = new NodeId(9999999u, 0),
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(response.Results[0].StatusCode, Is.EqualTo(StatusCodes.BadNodeIdUnknown));
}
[Description("Operation result Bad_ReferenceTypeIdInvalid for an invalid ReferenceType NodeId.")]
[Test]
public async Task BrowseInvalidReferenceTypeIdReturnsPerOperationBadStatusAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = BrowseDirection.Forward,
ReferenceTypeId = Constants.InvalidNodeId,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsBad(response.Results[0].StatusCode), Is.True);
}
[Description("Operation result Bad_BrowseDirectionInvalid for an out-of-range BrowseDirection.")]
[Test]
public async Task BrowseInvalidBrowseDirectionReturnsPerOperationBadStatusAsync()
{
BrowseResponse response = await Session.BrowseAsync(
null, null, 0,
new BrowseDescription[]
{
new() {
NodeId = ObjectIds.ObjectsFolder,
BrowseDirection = (BrowseDirection)42,
ReferenceTypeId = ReferenceTypeIds.References,
IncludeSubtypes = true,
NodeClassMask = 0,
ResultMask = (uint)BrowseResultMask.All
}
}.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false);
Assert.That(response.Results.Count, Is.EqualTo(1));
Assert.That(StatusCode.IsBad(response.Results[0].StatusCode), Is.True);
}
[Description("Operation result Bad_NodeNotInView when the NodeId is not part of the supplied View. ")]
[Test]
public Task Err003Variant05OperationResultBadNodeNotInViewAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.BadNodeNotInView);
}
[Description("Operation result Bad_NoContinuationPoints when the server cannot allocate one. ")]
[Test]
public Task Err003Variant06OperationResultBadNoContinuationPointsAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.BadNoContinuationPoints);
}
[Description("Operation result Uncertain_NotAllNodesAvailable. ")]
[Test]
public Task Err003Variant07OperationResultUncertainNotAllNodesAvailableAsync()
{
return AssertBrowseInjectsPerOperationStatusAsync(StatusCodes.UncertainNotAllNodesAvailable);
}
[Description("Injects ServiceResult Bad_NothingToDo into the BrowseNext response.")]
[Test]
public Task Err016Variant01BrowseNextServiceResultBadNothingToDoAsync()
{
return AssertBrowseNextInjectsServiceResultAsync(StatusCodes.BadNothingToDo);
}
[Description("Injects ServiceResult Bad_TooManyOperations into the BrowseNext response.")]
[Test]
public Task Err016Variant02BrowseNextServiceResultBadTooManyOperationsAsync()
{
return AssertBrowseNextInjectsServiceResultAsync(StatusCodes.BadTooManyOperations);
}
[Description("Injects ServiceResult Bad_ViewIdUnknown into the BrowseNext response.")]
[Test]
public Task Err016Variant03BrowseNextServiceResultBadViewIdUnknownAsync()
{
return AssertBrowseNextInjectsServiceResultAsync(StatusCodes.BadViewIdUnknown);
}
[Description("Injects ServiceResult Bad_ViewTimestampInvalid into the BrowseNext response.")]
[Test]
public Task Err016Variant04BrowseNextServiceResultBadViewTimestampInvalidAsync()
{
return AssertBrowseNextInjectsServiceResultAsync(StatusCodes.BadViewTimestampInvalid);
}
[Description("Injects ServiceResult Bad_ViewParameterMismatch into the BrowseNext response.")]
[Test]
public Task Err016Variant05BrowseNextServiceResultBadViewParameterMismatchAsync()
{
return AssertBrowseNextInjectsServiceResultAsync(StatusCodes.BadViewParameterMismatch);
}
[Description("Injects ServiceResult Bad_BrowseDirectionInvalid into the BrowseNext response.")]
[Test]
public Task Err016Variant06BrowseNextServiceResultBadBrowseDirectionInvalidAsync()
{
return AssertBrowseNextInjectsServiceResultAsync(StatusCodes.BadBrowseDirectionInvalid);
}
private Task AssertBrowseNextInjectsServiceResultAsync(StatusCode injected)
{
using IDisposable expectation = MockController.ExpectNextResponse(
r => r.ResponseHeader.ServiceResult = injected);
ServiceResultException ex = Assert.ThrowsAsync(
async () => await Session.BrowseNextAsync(
null,
releaseContinuationPoints: false,
new ByteString[] { new(new byte[] { 0x01 }.AsMemory()) }.ToArrayOf(),
CancellationToken.None).ConfigureAwait(false));
Assert.That(ex.StatusCode, Is.EqualTo(injected));
return Task.CompletedTask;
}
}
}