added a first pass at websocket IO

OpenJibo/tests/Jibo.Cloud.Tests/Fixtures/WebSocketFixtureLoader.cs

@@ -0,0 +1,57 @@
+using System.Text.Json;
+using Jibo.Cloud.Domain.Models;
+
+namespace Jibo.Cloud.Tests.Fixtures;
+
+internal static class WebSocketFixtureLoader
+{
+    public static WebSocketFixture Load(string relativePath)
+    {
+        var fullPath = Path.Combine(AppContext.BaseDirectory, relativePath);
+        using var document = JsonDocument.Parse(File.ReadAllText(fullPath));
+        var root = document.RootElement;
+
+        var session = root.GetProperty("session");
+        var steps = new List<WebSocketFixtureStep>();
+        foreach (var stepElement in root.GetProperty("steps").EnumerateArray())
+        {
+            steps.Add(new WebSocketFixtureStep
+            {
+                Message = new WebSocketMessageEnvelope
+                {
+                    HostName = session.GetProperty("hostName").GetString() ?? "neo-hub.jibo.com",
+                    Path = session.GetProperty("path").GetString() ?? "/listen",
+                    Kind = session.GetProperty("kind").GetString() ?? "neo-hub-listen",
+                    Token = session.GetProperty("token").GetString(),
+                    Text = stepElement.TryGetProperty("text", out var text) ? text.GetRawText() : null,
+                    Binary = stepElement.TryGetProperty("binary", out var binary) && binary.ValueKind == JsonValueKind.Array
+                        ? binary.EnumerateArray().Select(item => (byte)item.GetInt32()).ToArray()
+                        : null
+                },
+                ExpectedReplyTypes = stepElement.GetProperty("expectedReplyTypes")
+                    .EnumerateArray()
+                    .Select(item => item.GetString() ?? string.Empty)
+                    .Where(item => !string.IsNullOrWhiteSpace(item))
+                    .ToArray()
+            });
+        }
+
+        return new WebSocketFixture
+        {
+            Name = root.TryGetProperty("name", out var name) ? name.GetString() ?? Path.GetFileNameWithoutExtension(relativePath) : Path.GetFileNameWithoutExtension(relativePath),
+            Steps = steps
+        };
+    }
+}
+
+internal sealed class WebSocketFixture
+{
+    public string Name { get; init; } = string.Empty;
+    public IReadOnlyList<WebSocketFixtureStep> Steps { get; init; } = [];
+}
+
+internal sealed class WebSocketFixtureStep
+{
+    public WebSocketMessageEnvelope Message { get; init; } = new();
+    public IReadOnlyList<string> ExpectedReplyTypes { get; init; } = [];
+}