Add logic to match AnyValue headers when no headers are given.

Author: dnperfors

src/TestableHttpClient/Utils/HttpRequestMessagePattern.cs

@@ -38,7 +38,7 @@ private bool MatchesHeaders(Dictionary<string, string> requestHeaders)
 
         foreach (var header in Headers)
         {
-            bool matched = false;
+            bool matched = IsAnyHeader(header);
 
             foreach (var requestHeader in requestHeaders)
             {
@@ -54,6 +54,11 @@ private bool MatchesHeaders(Dictionary<string, string> requestHeaders)
         return true;
     }
 
+    private bool IsAnyHeader(KeyValuePair<Value<string>, Value<string>> header)
+    {
+        return header.Key == Value.Any<string>() && header.Value == Value.Any<string>();
+    }
+
     private bool MatchesContent(HttpContent? requestContent)
     {
         if (requestContent == null)
@@ -79,5 +84,7 @@ internal sealed class HttpRequestMessagePatternMatchingResult
     public bool Version { get; init; }
     public bool Headers { get; init; }
     public bool Content { get; init; }
+
+    public bool All => Method && RequestUri && Version && Headers && Content;
 }
 

test/TestableHttpClient.Tests/Utils/HttpRequestMessagePatternTests.cs

@@ -157,6 +157,16 @@ public void Matches_HttpRequestMessageWithHeaders_DoesNotMatchNoHeaders()
         Assert.False(sut.Matches(matchingRequest, defaultOptions).Headers);
     }
 
+    [Fact]
+    public void Matches_HttpRequestMessageWithoutHeaders_DoesMatchAnyHeaders()
+    {
+        HttpRequestMessagePattern sut = new();
+
+        using HttpRequestMessage matchingRequest = new();
+
+        Assert.True(sut.Matches(matchingRequest, defaultOptions).Headers);
+    }
+
     [Fact]
     public void Matches_HttpRequestMessageWithHeaders_DoesMatchAnyHeaders()
     {