Extract BenchmarkBase with shared ConnectionString and env-var override

Author: fdcastel

src/FirebirdSql.Data.FirebirdClient.Benchmarks/BenchmarkBase.cs

@@ -0,0 +1,41 @@
+/*
+ *    The contents of this file are subject to the Initial
+ *    Developer's Public License Version 1.0 (the "License");
+ *    you may not use this file except in compliance with the
+ *    License. You may obtain a copy of the License at
+ *    https://github.com/FirebirdSQL/NETProvider/raw/master/license.txt.
+ *
+ *    Software distributed under the License is distributed on
+ *    an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
+ *    express or implied. See the License for the specific
+ *    language governing rights and limitations under the License.
+ *
+ *    All Rights Reserved.
+ */
+
+//$Authors = Jiri Cincura (jiri@cincura.net)
+
+using System;
+using BenchmarkDotNet.Attributes;
+
+namespace FirebirdSql.Data.FirebirdClient.Benchmarks;
+
+public abstract class BenchmarkBase
+{
+	const string DefaultConnectionString = "database=localhost:benchmark.fdb;user=sysdba;password=masterkey";
+
+	protected static readonly string ConnectionString =
+		Environment.GetEnvironmentVariable("FIREBIRD_BENCHMARK_CS") ?? DefaultConnectionString;
+
+	protected static void CreateDatabase(int pageSize = 16 * 1024)
+	{
+		FbConnection.CreateDatabase(ConnectionString, pageSize, false, true);
+	}
+
+	[GlobalCleanup]
+	public void GlobalCleanup()
+	{
+		FbConnection.ClearAllPools();
+		FbConnection.DropDatabase(ConnectionString);
+	}
+}

src/FirebirdSql.Data.FirebirdClient.Benchmarks/CommandBenchmark.cs

@@ -20,25 +20,11 @@
 namespace FirebirdSql.Data.FirebirdClient.Benchmarks;
 
 [Config(typeof(BenchmarkConfig))]
-public partial class CommandBenchmark
+public partial class CommandBenchmark : BenchmarkBase
 {
-	protected const string ConnectionString = "database=localhost:benchmark.fdb;user=sysdba;password=masterkey";
-
 	[Params("BIGINT", "VARCHAR(10) CHARACTER SET UTF8")]
 	public string DataType { get; set; }
 
 	[Params(100)]
 	public int Count { get; set; }
-
-	static void CreateDatabase()
-	{
-		FbConnection.CreateDatabase(ConnectionString, 16 * 1024, false, true);
-	}
-
-	[GlobalCleanup]
-	public static void GlobalCleanup()
-	{
-		FbConnection.ClearAllPools();
-		FbConnection.DropDatabase(ConnectionString);
-	}
 }

src/FirebirdSql.Data.FirebirdClient.Benchmarks/LargeFetchBenchmark.cs

@@ -3,10 +3,8 @@
 namespace FirebirdSql.Data.FirebirdClient.Benchmarks;
 
 [Config(typeof(BenchmarkConfig))]
-public class LargeFetchBenchmark
+public class LargeFetchBenchmark : BenchmarkBase
 {
-	protected const string ConnectionString = "database=localhost:benchmark.fdb;user=sysdba;password=masterkey";
-
 	[Params(100_000)]
 	public int Count { get; set; }
 
@@ -22,14 +20,7 @@ public class LargeFetchBenchmark
 	[GlobalSetup(Target = nameof(Fetch))]
 	public void FetchGlobalSetup()
 	{
-		FbConnection.CreateDatabase(ConnectionString, 8192, false, true);
-	}
-
-	[GlobalCleanup]
-	public void GlobalCleanup()
-	{
-		FbConnection.ClearAllPools();
-		FbConnection.DropDatabase(ConnectionString);
+		CreateDatabase(pageSize: 8192);
 	}
 
 	[Benchmark]