Added auto PageContext switch on BeforeStep binding

src/Behavioral.Automation/Hooks/BeforeStep/PageScopeObserverBinding.cs

@@ -0,0 +1,30 @@
+using Behavioral.Automation.Services;
+using Behavioral.Automation.Services.Mapping.Contract;
+using JetBrains.Annotations;
+using System;
+using TechTalk.SpecFlow;
+
+namespace Behavioral.Automation.Hooks.BeforeStep
+{
+    /// <summary>
+    /// Allows to automatically switch PageContext, depending on current Driver url
+    /// </summary>
+    [Binding]
+    public class PageScopeObserverBinding
+    {
+        private readonly IScopeContextManager _scopeContextManager;
+        private readonly IDriverService _driverService;
+
+        public PageScopeObserverBinding([NotNull] IScopeContextManager scopeContextManager, [NotNull] IDriverService driverService)
+        {
+            _scopeContextManager = scopeContextManager;
+            _driverService = driverService;
+        }
+
+        [BeforeStep]
+        public void SwitchContextToCurrentUrl()
+        {
+            _scopeContextManager.SwitchToCurrentUrl(new Uri(_driverService.CurrentUrl));
+        }
+    }
+}

src/Behavioral.Automation/Services/Mapping/Contract/IScopeContextManager.cs

@@ -7,5 +7,6 @@ public interface IScopeContextManager
         void SwitchPage(Uri uri);
         IScopeContextRuntime UseControlScopeContextRuntime(ControlScopeSelector controlScopeSelector);
         void SwitchPage(string pageName);
+        void SwitchToCurrentUrl(Uri currentUrl);
     }
 }

src/Behavioral.Automation/Services/Mapping/ScopeContextManager.cs

@@ -7,6 +7,8 @@ public sealed class ScopeContextManager : IScopeContextManager
     {
         private readonly IScopeContextRuntime _scopeContextRuntime;
         private readonly IUriToPageScopeMapper _uriToPageScopeMapper;
+        private Uri LastVisitedUrl = default;
+        private readonly Uri EmptyPageUrl = new Uri("data:,");
 
         public ScopeContextManager(IScopeContextRuntime scopeContextRuntime, IUriToPageScopeMapper uriToPageScopeMapper)
         {
@@ -41,5 +43,14 @@ public void SwitchPage(string pageName)
             var pageScopeContext = _uriToPageScopeMapper.GetPageScopeContext(pageName);
             _scopeContextRuntime.SwitchToPageScope(pageScopeContext);
         }
+
+        public void SwitchToCurrentUrl(Uri currentUrl)
+        {
+            if (currentUrl == EmptyPageUrl || currentUrl == LastVisitedUrl)
+                return;
+
+            SwitchPage(currentUrl);
+            LastVisitedUrl = currentUrl;
+        }
     }
 }