Merge pull request #150 from bubblecup-12/bugfix/stream-handling-in-j…

…soncontentmatcher

Seek stream to beginning before json deserialize

RichardSzalay.MockHttp.Tests/Issues/Issue149Tests.cs

@@ -0,0 +1,46 @@
+using System.Net;
+using System.Net.Http;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace RichardSzalay.MockHttp.Tests.Issues;
+
+public class Issue149Tests
+{
+    private HttpClient client;
+
+    //https://github.com/richardszalay/mockhttp/issues/149
+    [Fact]
+    public async Task MultipleJsonContentMatchersToSameUri()
+    {
+        var mockHttp = new MockHttpMessageHandler();
+        mockHttp
+            .When("https://someUrl.com")
+            .WithJsonContent<SomeJsonParameters>(a => a.Key == "SomeApiKey")
+            .Respond("application/json", "{\"some_result\" : \"Error\"}");
+        mockHttp
+            .When("https://someUrl.com")
+            .WithJsonContent<SomeJsonParameters>(a => a.Content == "SomeContent")
+            .Respond("application/json", "{\"some_result\" : \"Result\"}");
+
+        client = mockHttp.ToHttpClient();
+
+        var parameters = JsonSerializer.Serialize(new SomeJsonParameters("SomeApiKey", "OtherContent"));
+        var response = await client.PostAsync(
+            "https://someUrl.com",
+            new StringContent(parameters, Encoding.UTF8, "application/json"));
+        var content = await response.Content.ReadAsStringAsync();
+        Assert.True(!string.IsNullOrEmpty(content));
+
+        var parameters1 = JsonSerializer.Serialize(new SomeJsonParameters("OtherApiKey", "SomeContent"));
+        var action1 = async ()=> await client.PostAsync(
+            "https://someUrl.com",
+            new StringContent(parameters1, Encoding.UTF8, "application/json"));
+        var exception = await Record.ExceptionAsync(action1);
+        Assert.Null(exception);
+    }
+
+    private record SomeJsonParameters(string Key, string Content);
+}

RichardSzalay.MockHttp/Matchers/JsonContentMatcher.cs

@@ -53,6 +53,10 @@ public bool Matches(HttpRequestMessage message)
 
     private T? Deserialize(Stream stream)
     {
+        if (stream.CanSeek)
+        {
+            stream.Seek(0, SeekOrigin.Begin);
+        }
 #if NET5_0
         return JsonSerializer.DeserializeAsync<T>(stream, serializerOptions)
             .GetAwaiter().GetResult();