First part of httprequestmessagepattern

Author: dnperfors

src/TestableHttpClient/Utils/HttpRequestMessagePatternMatcher.cs

@@ -0,0 +1,30 @@
+namespace TestableHttpClient.Utils;
+
+internal class HttpRequestMessagePatternMatcher
+{
+    private readonly HttpRequestMessagePatternMatchingOptions options = new();
+    public HttpRequestMessagePatternMatchResult Match(IEnumerable<HttpRequestMessage> requests, HttpRequestMessagePattern pattern)
+    {
+        HttpRequestMessagePatternMatchResult result = new();
+
+        foreach (HttpRequestMessage request in requests)
+        {
+            HttpRequestMessagePatternMatchingResult match = pattern.Matches(request, options);
+            if (match.All)
+            {
+                result.MatchedRequests.Add(request);
+            }
+            else
+            {
+                result.UnmatchedRequests.Add(request);
+            }
+        }
+        return result;
+    }
+}
+
+internal class HttpRequestMessagePatternMatchResult
+{
+    public List<HttpRequestMessage> MatchedRequests { get; } = new List<HttpRequestMessage>();
+    public List<HttpRequestMessage> UnmatchedRequests { get; } = new List<HttpRequestMessage>();
+}

test/TestableHttpClient.Tests/TestableHttpClient.Tests.csproj

@@ -1,14 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net462;net47;net48;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>net462;net47;net48;net6.0;net8.0;net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
-    <PackageReference Include="System.Net.Http.Json" Version="8.0.1" />
+    <PackageReference Include="System.Net.Http.Json" Version="6.0.2" />
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
     <PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.17">
       <PrivateAssets>all</PrivateAssets>

test/TestableHttpClient.Tests/Utils/HttpRequestMessagePatternMatcherTests.cs

@@ -0,0 +1,48 @@
+using FluentAssertions;
+
+using TestableHttpClient.Utils;
+
+namespace TestableHttpClient.Tests.Utils;
+
+public class HttpRequestMessagePatternMatcherTests
+{
+    [Fact]
+    public void MultipleRequests_MatchingAnyPattern_ReturnsAllRequests()
+    {
+        HttpRequestMessage[] requestMessages = [
+            new HttpRequestMessage(HttpMethod.Get, "https://localhost/get"),
+            new HttpRequestMessage(HttpMethod.Post, "https://localhost/post"),
+            new HttpRequestMessage(HttpMethod.Options, "https://localhost/options")
+            ];
+
+        HttpRequestMessagePattern pattern = new();
+
+        HttpRequestMessagePatternMatcher matcher = new();
+
+        HttpRequestMessagePatternMatchResult result = matcher.Match(requestMessages, pattern);
+
+        result.MatchedRequests.Should().BeEquivalentTo(requestMessages);
+        result.UnmatchedRequests.Should().BeEmpty();
+    }
+
+    [Fact]
+    public void MultipleRequests_MatchingSpecificHttpMethod_ReturnsMatchinRequests()
+    {
+        HttpRequestMessage getRequest = new(HttpMethod.Get, "https://localhost/get");
+        HttpRequestMessage postRequest = new(HttpMethod.Post, "https://localhost/post");
+        HttpRequestMessage optionsRequest = new(HttpMethod.Options, "https://localhost/options");
+        HttpRequestMessage[] requestMessages = [ getRequest, postRequest, optionsRequest ];
+
+        HttpRequestMessagePattern pattern = new()
+        {
+            Method = Value.Exact(HttpMethod.Post)
+        };
+
+        HttpRequestMessagePatternMatcher matcher = new();
+
+        HttpRequestMessagePatternMatchResult result = matcher.Match(requestMessages, pattern);
+
+        result.MatchedRequests.Should().BeEquivalentTo([postRequest]);
+        result.UnmatchedRequests.Should().BeEquivalentTo([getRequest, optionsRequest]);
+    }
+}