89 lines
2.9 KiB
C#
89 lines
2.9 KiB
C#
using System.Diagnostics;
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using System.Text.RegularExpressions;
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namespace NATS.Server.Tests;
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public class JetStreamApiGapInventoryTests
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{
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[Fact]
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public void Parity_map_has_no_unclassified_go_js_api_subjects()
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{
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var gap = JetStreamApiGapInventory.Load();
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gap.UnclassifiedSubjects.ShouldBeEmpty();
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}
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}
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internal sealed class JetStreamApiGapInventory
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{
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public IReadOnlyList<string> UnclassifiedSubjects { get; }
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private JetStreamApiGapInventory(IReadOnlyList<string> unclassifiedSubjects)
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{
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UnclassifiedSubjects = unclassifiedSubjects;
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}
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public static JetStreamApiGapInventory Load()
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{
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var goSubjects = LoadGoSubjects();
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var mappedSubjects = LoadMappedSubjects();
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var unclassified = goSubjects
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.Where(s => !mappedSubjects.Contains(s))
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.OrderBy(s => s, StringComparer.Ordinal)
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.ToArray();
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return new JetStreamApiGapInventory(unclassified);
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}
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private static HashSet<string> LoadGoSubjects()
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{
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var script = Path.Combine(AppContext.BaseDirectory, "../../../../../scripts/jetstream/extract-go-js-api.sh");
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script = Path.GetFullPath(script);
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if (!File.Exists(script))
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throw new FileNotFoundException($"missing script: {script}");
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var psi = new ProcessStartInfo
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{
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FileName = "bash",
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RedirectStandardOutput = true,
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RedirectStandardError = true,
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};
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psi.ArgumentList.Add(script);
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using var process = Process.Start(psi) ?? throw new InvalidOperationException("failed to start inventory script");
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var output = process.StandardOutput.ReadToEnd();
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var errors = process.StandardError.ReadToEnd();
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process.WaitForExit();
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if (process.ExitCode != 0)
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throw new InvalidOperationException($"inventory script failed: {errors}");
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return output
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.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
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.Where(x => x.StartsWith("$JS.API.", StringComparison.Ordinal))
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.ToHashSet(StringComparer.Ordinal);
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}
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private static HashSet<string> LoadMappedSubjects()
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{
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var mapPath = Path.Combine(AppContext.BaseDirectory, "../../../../../docs/plans/2026-02-23-jetstream-remaining-parity-map.md");
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mapPath = Path.GetFullPath(mapPath);
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if (!File.Exists(mapPath))
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throw new FileNotFoundException($"missing parity map: {mapPath}");
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var subjectRegex = new Regex(@"^\|\s*(\$JS\.API[^\|]+?)\s*\|", RegexOptions.Compiled);
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var subjects = new HashSet<string>(StringComparer.Ordinal);
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foreach (var line in File.ReadLines(mapPath))
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{
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var match = subjectRegex.Match(line);
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if (!match.Success)
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continue;
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subjects.Add(match.Groups[1].Value.Trim());
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}
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return subjects;
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}
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}
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