Søren Eggert Lundsteen Olsen
6b945295d0
dynamics-ax (hourly) lists the monitored AX databases with version, schema, companies and read access; discovery and the AX community rules (now marked dynamicsAx) use the same detection. dynamics-ax-batch (5 min) reads BATCH (3.0/4.0) or BATCHJOB/BATCHJOBHISTORY (2009+), keeps each job's own run history; dynamics-ax-sequences (hourly) reads NUMBERSEQUENCETABLE and SYSTEMSEQUENCES and forecasts from SQLInsight's own daily samples. All reads run through [db].sys.sp_executesql under read committed with a 2 s lock timeout (snapshot when allowed), bounded with TOP, never NOLOCK, never written. Blocking now captures CONTEXT_INFO for the AX user mapping. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
56 lines
3.2 KiB
C#
56 lines
3.2 KiB
C#
using SQLInsight.Core.DynamicsAx;
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namespace SQLInsight.Collectors.Tests;
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/// <summary>
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/// The SQL the AX collectors send, for every version adapter with a schema file: SQL Server 2005 syntax, bounded,
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/// read-only, run in the AX database without changing the session's database, and never NOLOCK.
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/// </summary>
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public sealed class DynamicsAxSqlTests
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{
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private static string Directory => Path.Combine(AppContext.BaseDirectory, "DynamicsAx");
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public static TheoryData<string> Adapters() => [.. AxSchemaAdapter.All.Where(a => AxSchemaFile.Find(Directory, a.SchemaFileName) is not null).Select(a => a.SchemaFileName)];
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private static (AxSchemaAdapter Adapter, AxDatabase Database) Load(string fileName)
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{
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var adapter = AxSchemaAdapter.All.First(a => a.SchemaFileName == fileName);
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var schema = AxSchemaFile.Find(Directory, fileName)!;
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var database = AxDetection.Recognise("AXDB", schema.DetectionRows(), ["AXDB", "AXDB_model"])!;
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return (adapter, database with { Isolation = AxReadIsolation.Snapshot });
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}
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[Theory]
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[MemberData(nameof(Adapters))]
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public void Every_ax_query_is_bounded_read_only_sql_server_2005_syntax(string fileName)
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{
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var (adapter, database) = Load(fileName);
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var queries = new[]
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{
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adapter.BatchJobs(database), adapter.BatchHistory(database, null), adapter.BatchHistory(database, 123_456),
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adapter.NumberSequences(database), adapter.RecIds(database), AxSchemaAdapter.Companies(database),
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}.Where(q => q is not null).Select(q => q!).ToList();
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Assert.All(queries, q => Assert.True(q.IsMeasurable, q.NotMeasurable));
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foreach (var sql in queries.Select(q => AxSql.InDatabase(database.Database, q.Sql!, database.Isolation)).Append(AxSql.InDatabase("AXDB", AxDetection.MetadataSql)))
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{
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Assert.DoesNotContain(DiscoveryTests.Sql2008Only, p => p.IsMatch(sql));
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Assert.DoesNotContain("NOLOCK", sql, StringComparison.OrdinalIgnoreCase);
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Assert.DoesNotContain("PXI_", sql, StringComparison.OrdinalIgnoreCase);
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Assert.DoesNotContain("USE ", sql, StringComparison.Ordinal);
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Assert.DoesNotMatch(@"\b(INSERT|UPDATE|DELETE|MERGE|TRUNCATE|ALTER|CREATE|DROP|EXEC\s*\()\b", sql.Replace("sp_executesql", string.Empty, StringComparison.Ordinal));
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Assert.StartsWith("EXEC [AXDB].sys.sp_executesql", sql, StringComparison.Ordinal);
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Assert.Contains("SET LOCK_TIMEOUT 2000", sql, StringComparison.Ordinal);
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}
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Assert.All(queries, q => Assert.Contains("SELECT TOP (", q.Sql!, StringComparison.Ordinal));
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}
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[Fact]
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public void Reads_use_snapshot_isolation_when_the_database_allows_it_and_read_committed_otherwise()
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{
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Assert.Contains("ISOLATION LEVEL SNAPSHOT", AxSql.InDatabase("AX", "SELECT 1", AxReadIsolation.Snapshot), StringComparison.Ordinal);
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Assert.Contains("ISOLATION LEVEL READ COMMITTED; SELECT 1", AxSql.InDatabase("AX", "SELECT 1", AxReadIsolation.ReadCommittedSnapshot), StringComparison.Ordinal);
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Assert.EndsWith("SET LOCK_TIMEOUT -1; SET TRANSACTION ISOLATION LEVEL READ COMMITTED;", AxSql.InDatabase("AX", "SELECT 1"), StringComparison.Ordinal);
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}
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}
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