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Fix WithProbability logic #1367

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Merged
merged 4 commits into from
Oct 22, 2025
Merged

Fix WithProbability logic #1367

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f545356
Fix WithProbability logic
StefH Oct 13, 2025
8c137c0
.
StefH Oct 13, 2025
e43f4a0
FIX
StefH Oct 13, 2025
cbf1e39
Update src/WireMock.Net.Minimal/Owin/MappingMatcher.cs
StefH Oct 13, 2025
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64 changes: 48 additions & 16 deletions examples/WireMock.Net.Console.NET8/MainApp.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -267,7 +267,7 @@ private static void RunOnLocal()
}
}

public static void Run()
public static async Task RunAsync()
{
//RunSse();
//RunOnLocal();
Expand All @@ -290,24 +290,56 @@ public static void Run()

var server = WireMockServer.Start();

//server
// .Given(Request.Create()
// .WithPath("todos")
// .UsingGet()
// )
// .RespondWith(Response.Create()
// .WithBodyAsJson(todos.Values)
// );

//server
// .Given(Request.Create()
// .UsingGet()
// .WithPath("todos")
// .WithParam("id")
// )
// .RespondWith(Response.Create()
// .WithBodyAsJson(rm => todos[int.Parse(rm.Query!["id"].ToString())])
// );

var pX = 0.40;
server
.Given(Request.Create()
.WithPath("todos")
.UsingGet()
)
.RespondWith(Response.Create()
.WithBodyAsJson(todos.Values)
);
.Given(Request.Create().UsingGet().WithPath("/p"))
.WithProbability(pX)
.RespondWith(Response.Create().WithStatusCode(200).WithBody("X"));

server
.Given(Request.Create()
.UsingGet()
.WithPath("todos")
.WithParam("id")
)
.RespondWith(Response.Create()
.WithBodyAsJson(rm => todos[int.Parse(rm.Query!["id"].ToString())])
);
.Given(Request.Create().UsingGet().WithPath("/p"))
.RespondWith(Response.Create().WithStatusCode(200).WithBody("default"));

// Act
var requestUri = new Uri($"http://localhost:{server.Port}/p");
var c = server.CreateClient();
var xCount = 0;
var defaultCount = 0;
var tot = 1000;
for (var i = 0; i < tot; i++)
{
var response = await c.GetAsync(requestUri);
var value = await response.Content.ReadAsStringAsync();
if (value == "X")
{
xCount++;
}
else if (value == "default")
{
defaultCount++;
}
}
System.Console.WriteLine("X = {0} ; default = {1} ; pX = {2} ; valueX = {3:0.00}", xCount, defaultCount, pX, 1.0 * xCount / tot);
return;

using var httpAndHttpsWithPort = WireMockServer.Start(new WireMockServerSettings
{
Expand Down
5 changes: 3 additions & 2 deletions examples/WireMock.Net.Console.NET8/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

using System.IO;
using System.Reflection;
using System.Threading.Tasks;
using log4net;
using log4net.Config;
using log4net.Repository;
Expand All @@ -14,10 +15,10 @@ static class Program
private static readonly ILoggerRepository LogRepository = LogManager.GetRepository(Assembly.GetEntryAssembly());
private static readonly ILog Log = LogManager.GetLogger(typeof(Program));

static void Main(params string[] args)
static async Task Main(params string[] args)
{
XmlConfigurator.Configure(LogRepository, new FileInfo("log4net.config"));

MainApp.Run();
await MainApp.RunAsync();
}
}
15 changes: 10 additions & 5 deletions src/WireMock.Net.Minimal/Owin/MappingMatcher.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ public MappingMatcher(IWireMockMiddlewareOptions options, IRandomizerDoubleBetwe

var mappings = _options.Mappings.Values
.Where(m => m.TimeSettings.IsValid())
.Where(m => m.Probability is null || m.Probability <= _randomizerDoubleBetween0And1.Generate())
.Where(m => m.Probability is null || m.Probability > _randomizerDoubleBetween0And1.Generate())
.ToArray();

foreach (var mapping in mappings)
Expand Down Expand Up @@ -62,14 +62,16 @@ public MappingMatcher(IWireMockMiddlewareOptions options, IRandomizerDoubleBetwe
}
}

var partialMappings = possibleMappings
var partialMatches = possibleMappings
.Where(pm => (pm.Mapping.IsAdminInterface && pm.RequestMatchResult.IsPerfectMatch) || !pm.Mapping.IsAdminInterface)
.OrderBy(m => m.RequestMatchResult)
.ThenBy(m => m.RequestMatchResult.TotalNumber)
.ThenBy(m => m.Mapping.Priority)
.ThenByDescending(m => m.Mapping.Probability ?? 0)
.ThenByDescending(m => m.Mapping.UpdatedAt)
.ToList();
var partialMatch = partialMappings.FirstOrDefault(pm => pm.RequestMatchResult.AverageTotalScore > 0.0);
.Where(pm => pm.RequestMatchResult.AverageTotalScore > 0.0)
.ToArray();
var partialMatch = partialMatches.FirstOrDefault();

if (_options.AllowPartialMapping == true)
{
Expand All @@ -78,7 +80,10 @@ public MappingMatcher(IWireMockMiddlewareOptions options, IRandomizerDoubleBetwe

var match = possibleMappings
.Where(m => m.RequestMatchResult.IsPerfectMatch)
.OrderBy(m => m.Mapping.Priority).ThenBy(m => m.RequestMatchResult).ThenByDescending(m => m.Mapping.UpdatedAt)
.OrderBy(m => m.Mapping.Priority)
.ThenBy(m => m.RequestMatchResult)
.ThenByDescending(m => m.Mapping.Probability ?? 0)
.ThenByDescending(m => m.Mapping.UpdatedAt)
.FirstOrDefault();

return (match, partialMatch);
Expand Down
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