Implement test-runner PoC (#8)

src/Recordingtest.Runner/Program.cs

@@ -0,0 +1,42 @@
+namespace Recordingtest.Runner;
+
+public static class Program
+{
+    public static int Main(string[] args)
+    {
+        var options = new RunnerOptions();
+        for (int i = 0; i < args.Length; i++)
+        {
+            switch (args[i])
+            {
+                case "--scenarios": options.ScenariosDir = args[++i]; break;
+                case "--baselines": options.BaselinesDir = args[++i]; break;
+                case "--out": options.OutDir = args[++i]; break;
+                case "--profile": options.Profile = args[++i]; break;
+                case "--no-launch": options.NoLaunch = true; break;
+                case "-h":
+                case "--help":
+                    Console.WriteLine("Usage: Recordingtest.Runner --scenarios <dir> --baselines <dir> --out <dir> [--profile <name>] [--no-launch]");
+                    return 0;
+            }
+        }
+
+        if (string.IsNullOrEmpty(options.ScenariosDir) ||
+            string.IsNullOrEmpty(options.BaselinesDir) ||
+            string.IsNullOrEmpty(options.OutDir))
+        {
+            Console.Error.WriteLine("Missing required args. Use --help.");
+            return 2;
+        }
+
+        var runner = new TestRunner();
+        var report = runner.RunAll(
+            options,
+            new DefaultHostFactory(),
+            new DefaultNormalizer(),
+            new DefaultDiffer());
+
+        Console.WriteLine($"Total: {report.Total}, Passed: {report.Passed}, Failed: {report.Failed}, Errored: {report.Errored}");
+        return TestRunner.ToExitCode(report);
+    }
+}