Add Recording.NameExists (#1253)

* add Recording.NameExists

* Update recording.md

Author: SimonCropp

docs/recording.md

@@ -85,7 +85,7 @@ public Task RecordingScoped()
     return Verify();
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L73-L88' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingScoped' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L82-L97' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingScoped' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -117,7 +117,7 @@ public Task SameKey()
     return Verify("TheValue");
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L272-L283' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingSameKey' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L289-L300' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingSameKey' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -154,7 +154,7 @@ public Task Identifier()
     return Verify(Recording.Stop("identifier"));
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L90-L100' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingIdentifier' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L99-L109' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingIdentifier' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -186,7 +186,7 @@ public Task Case()
     return Verify("TheValue");
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L294-L305' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingIgnoreCase' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L311-L322' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingIgnoreCase' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -221,7 +221,7 @@ public Task Stop()
     return Verify(appends.Where(_ => _.Name != "name1"));
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L132-L144' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingStop' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L149-L161' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingStop' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -253,7 +253,7 @@ public Task StopNotInResult()
     return Verify("other data");
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L146-L158' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingStopNotInResult' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L163-L175' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingStopNotInResult' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -282,7 +282,7 @@ public void IsRecording()
     Assert.True(Recording.IsRecording());
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L102-L112' title='Snippet source file'>snippet source</a> | <a href='#snippet-IsRecording' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L119-L129' title='Snippet source file'>snippet source</a> | <a href='#snippet-IsRecording' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 This can be helpful if the cost of capturing data, to add to recording, is high.
@@ -305,7 +305,7 @@ public Task Clear()
     return Verify();
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L192-L204' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingClear' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L209-L221' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingClear' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:
@@ -341,7 +341,7 @@ public Task PauseResume()
     return Verify();
 }
 ```
-<sup><a href='/src/Verify.Tests/RecordingTests.cs#L216-L231' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingPauseResume' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/src/Verify.Tests/RecordingTests.cs#L233-L248' title='Snippet source file'>snippet source</a> | <a href='#snippet-RecordingPauseResume' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
 Results in:

src/Verify.Tests/RecordingTests.cs

@@ -70,6 +70,15 @@ public Task TryAdd()
 
     #endregion
 
+    [Fact]
+    public void NameExists()
+    {
+        Recording.Start();
+        Assert.False(Recording.NameExists("name"));
+        Recording.Add("name", "value");
+        Assert.True(Recording.NameExists("name"));
+    }
+
     #region RecordingScoped
 
     [Fact]
@@ -99,6 +108,14 @@ public Task Identifier()
 
     #endregion
 
+    [Fact]
+    public Task IdentifierExists()
+    {
+        Recording.Start("identifier");
+        Recording.Add("identifier", "name", "value");
+        return Verify(Recording.Stop("identifier"));
+    }
+
     #region IsRecording
 
     [Fact]

src/Verify/Recording/Recording.cs

@@ -16,6 +16,10 @@ public static void Add(string name, object item) =>
         CurrentState()
             .Add(name, item);
 
+    public static bool NameExists(string name) =>
+        CurrentState()
+            .Items.Any(_ => _.Name == name);
+
     public static void TryAdd(string name, object item)
     {
         var value = asyncLocal.Value;