Absolute path for benchmark tests fixed

Author: valentinas.kaminskas

benchmarks/BenchmarksBase.cs

@@ -2,8 +2,6 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Reflection;
-using System.Text;
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Configs;
 using BenchmarkDotNet.Jobs;
@@ -26,9 +24,8 @@ public ConfigWithCustomEnvVars()
 
         public IEnumerable<object[]> TestData()
         {
-            string rootDir = Directory.GetCurrentDirectory();
-            string testDataDir = Path.Join(Directory.GetParent(rootDir).Parent.Parent.Parent.FullName, "jsonexamples");
-            string[] files = Directory.GetFiles(testDataDir, "*.json", SearchOption.AllDirectories).ToArray();
+            string jsonExamples = Environment.GetEnvironmentVariable("pathToJsonExamples");
+            string[] files = Directory.GetFiles(jsonExamples, "*.json", SearchOption.AllDirectories).ToArray();
 
             foreach (var file in files)
             {

benchmarks/Program.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Reflection;
 using BenchmarkDotNet.Running;
 
 namespace Benchmarks
@@ -8,6 +9,13 @@ public class Program
     {
         public static void Main(string[] args)
         {
+            const string envVariable = "pathToJsonExamples";
+            if (Environment.GetEnvironmentVariable(envVariable) == null)
+            {
+                string root = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+                string path = Path.Join(Directory.GetParent(root).Parent.Parent.Parent.FullName, "jsonexamples");
+                Environment.SetEnvironmentVariable(envVariable, path);
+            }
             BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
         }
     }