8050ee1897
Ports server/const.go, errors.go, proto.go, ring.go, rate_counter.go, sdm.go. - ServerConstants: all protocol constants and version info from const.go - ServerErrors: ~60 sentinel exceptions plus errCtx/configErr/processConfigErr types - ProtoWire: protobuf varint encode/decode helpers (proto.go) - RateCounter: sliding-window rate limiter (rate_counter.go) - ClosedRingBuffer: fixed-size ring buffer for /connz (ring.go) - StreamDeletionMeta: SDM tracking for JetStream cluster consensus (sdm.go) - 5 unit tests passing (errors, ring buffer, rate counter) - errors_gen.go (code generator tool) and nkey.go Server methods marked n_a
80 lines
2.4 KiB
C#
80 lines
2.4 KiB
C#
// Copyright 2018-2025 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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using Shouldly;
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using ZB.MOM.NatsNet.Server.Internal;
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namespace ZB.MOM.NatsNet.Server.Tests.Internal;
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/// <summary>
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/// Tests for <see cref="ClosedRingBuffer"/>.
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/// Mirrors server/ring_test.go: TestRBAppendAndLenAndTotal (ID 2794)
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/// and TestRBclosedClients (ID 2795).
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/// </summary>
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public sealed class ClosedRingBufferTests
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{
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[Fact]
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public void AppendAndLenAndTotal_ShouldTrackCorrectly()
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{
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// Mirror: TestRBAppendAndLenAndTotal
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var rb = new ClosedRingBuffer(10);
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for (var i = 0; i < 5; i++)
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rb.Append(new ClosedClient());
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rb.Len().ShouldBe(5);
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rb.TotalConns().ShouldBe(5UL);
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for (var i = 0; i < 25; i++)
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rb.Append(new ClosedClient());
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rb.Len().ShouldBe(10);
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rb.TotalConns().ShouldBe(30UL);
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}
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[Fact]
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public void ClosedClients_ShouldReturnChronologicalOrder()
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{
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// Mirror: TestRBclosedClients
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var rb = new ClosedRingBuffer(10);
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// Build master list with identifiable user strings.
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const int max = 100;
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var master = new ClosedClient[max];
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for (var i = 1; i <= max; i++)
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master[i - 1] = new ClosedClient { User = i.ToString() };
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var ui = 0;
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void AddConn()
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{
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ui++;
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rb.Append(new ClosedClient { User = ui.ToString() });
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}
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for (var i = 0; i < max; i++)
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{
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AddConn();
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var ccs = rb.ClosedClients();
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var start = (int)rb.TotalConns() - ccs.Length;
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var ms = master[start..(start + ccs.Length)];
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// Verify order matches master using User strings.
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ccs.Length.ShouldBe(ms.Length);
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for (var j = 0; j < ccs.Length; j++)
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ccs[j]!.User.ShouldBe(ms[j].User, $"iteration {i}, slot {j}");
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}
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}
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}
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