feat: Waves 3-5 — FileStore, RAFT, JetStream clustering, and concurrency tests
Add comprehensive Go-parity test coverage across 3 subsystems: - FileStore: basic CRUD, limits, purge, recovery, subjects, encryption, compression, MemStore (161 tests, 24 skipped for not-yet-implemented) - RAFT: core types, wire format, election, log replication, snapshots (95 tests) - JetStream Clustering: meta controller, stream/consumer replica groups, concurrency stress tests (90 tests) Total: ~346 new test annotations across 17 files (+7,557 lines) Full suite: 2,606 passing, 0 failures, 27 skipped
This commit is contained in:
Joseph Doherty
166
tests/NATS.Server.Tests/Raft/RaftWireFormatTests.cs
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166
tests/NATS.Server.Tests/Raft/RaftWireFormatTests.cs
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using System.Text.Json;
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using NATS.Server.Raft;
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namespace NATS.Server.Tests.Raft;
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/// <summary>
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/// Wire format encoding/decoding tests for RAFT RPC contracts.
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/// Go: TestNRGAppendEntryEncode, TestNRGAppendEntryDecode in server/raft_test.go:82-152.
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/// The .NET implementation uses JSON serialization rather than binary encoding,
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/// so these tests validate JSON round-trip fidelity for all RPC types.
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/// </summary>
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public class RaftWireFormatTests
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{
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82
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[Fact]
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public void VoteRequest_json_round_trip()
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{
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var original = new VoteRequest { Term = 5, CandidateId = "node-alpha" };
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var json = JsonSerializer.Serialize(original);
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json.ShouldNotBeNullOrWhiteSpace();
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var decoded = JsonSerializer.Deserialize<VoteRequest>(json);
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decoded.ShouldNotBeNull();
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decoded.Term.ShouldBe(5);
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decoded.CandidateId.ShouldBe("node-alpha");
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82
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[Fact]
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public void VoteResponse_json_round_trip()
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{
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var granted = new VoteResponse { Granted = true };
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var json = JsonSerializer.Serialize(granted);
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var decoded = JsonSerializer.Deserialize<VoteResponse>(json);
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decoded.ShouldNotBeNull();
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decoded.Granted.ShouldBeTrue();
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var denied = new VoteResponse { Granted = false };
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var json2 = JsonSerializer.Serialize(denied);
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var decoded2 = JsonSerializer.Deserialize<VoteResponse>(json2);
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decoded2.ShouldNotBeNull();
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decoded2.Granted.ShouldBeFalse();
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82
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[Fact]
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public void AppendResult_json_round_trip()
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{
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var original = new AppendResult { FollowerId = "f1", Success = true };
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var json = JsonSerializer.Serialize(original);
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var decoded = JsonSerializer.Deserialize<AppendResult>(json);
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decoded.ShouldNotBeNull();
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decoded.FollowerId.ShouldBe("f1");
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decoded.Success.ShouldBeTrue();
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82 — multiple entries
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[Fact]
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public void RaftLogEntry_batch_json_round_trip_preserves_order()
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{
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var entries = Enumerable.Range(1, 50)
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.Select(i => new RaftLogEntry(Index: i, Term: (i % 3) + 1, Command: $"op-{i}"))
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.ToList();
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var json = JsonSerializer.Serialize(entries);
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var decoded = JsonSerializer.Deserialize<List<RaftLogEntry>>(json);
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decoded.ShouldNotBeNull();
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decoded.Count.ShouldBe(50);
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for (var i = 0; i < 50; i++)
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{
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decoded[i].Index.ShouldBe(i + 1);
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decoded[i].Term.ShouldBe((i + 1) % 3 + 1);
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decoded[i].Command.ShouldBe($"op-{i + 1}");
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}
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82 — large payload
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[Fact]
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public void RaftLogEntry_large_command_round_trips()
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{
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var largeCommand = new string('x', 65536);
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var entry = new RaftLogEntry(Index: 1, Term: 1, Command: largeCommand);
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var json = JsonSerializer.Serialize(entry);
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var decoded = JsonSerializer.Deserialize<RaftLogEntry>(json);
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decoded.ShouldNotBeNull();
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decoded.Command.Length.ShouldBe(65536);
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decoded.Command.ShouldBe(largeCommand);
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82 — snapshot marker
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[Fact]
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public void RaftSnapshot_json_round_trip()
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{
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var data = new byte[256];
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Random.Shared.NextBytes(data);
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var snapshot = new RaftSnapshot
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{
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LastIncludedIndex = 999,
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LastIncludedTerm = 42,
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Data = data,
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};
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var json = JsonSerializer.Serialize(snapshot);
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var decoded = JsonSerializer.Deserialize<RaftSnapshot>(json);
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decoded.ShouldNotBeNull();
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decoded.LastIncludedIndex.ShouldBe(999);
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decoded.LastIncludedTerm.ShouldBe(42);
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decoded.Data.ShouldBe(data);
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82 — empty snapshot data
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[Fact]
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public void RaftSnapshot_empty_data_round_trips()
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{
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var snapshot = new RaftSnapshot
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{
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LastIncludedIndex = 10,
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LastIncludedTerm = 2,
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Data = [],
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};
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var json = JsonSerializer.Serialize(snapshot);
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var decoded = JsonSerializer.Deserialize<RaftSnapshot>(json);
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decoded.ShouldNotBeNull();
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decoded.Data.ShouldBeEmpty();
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}
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// Go: TestNRGAppendEntryEncode server/raft_test.go:82 — special characters
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[Fact]
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public void RaftLogEntry_special_characters_in_command_round_trips()
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{
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var commands = new[]
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{
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"hello\nworld",
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"tab\there",
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"quote\"inside",
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"backslash\\path",
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"unicode-\u00e9\u00e0\u00fc",
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"{\"nested\":\"json\"}",
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};
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foreach (var cmd in commands)
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{
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var entry = new RaftLogEntry(Index: 1, Term: 1, Command: cmd);
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var json = JsonSerializer.Serialize(entry);
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var decoded = JsonSerializer.Deserialize<RaftLogEntry>(json);
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decoded.ShouldNotBeNull();
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decoded.Command.ShouldBe(cmd);
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}
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}
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// Go: TestNRGAppendEntryDecode server/raft_test.go:125 — deserialization of malformed input
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[Fact]
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public void Malformed_json_returns_null_or_throws()
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{
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var badJson = "not-json-at-all";
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Should.Throw<JsonException>(() => JsonSerializer.Deserialize<RaftLogEntry>(badJson));
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}
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}
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