Fixes for WireMock.Net.FluentAssertions (callcount behaviour) (#832)

* UsingAnyMethod

* fix

* .

src/WireMock.Net.FluentAssertions/Assertions/WireMockAssertions.cs

@@ -12,9 +12,10 @@ namespace WireMock.FluentAssertions;
 
 public class WireMockAssertions
 {
+    private const string Any = "*";
     private readonly int? _callsCount;
     private IReadOnlyList<IRequestMessage> _requestMessages;
-    private IReadOnlyList<KeyValuePair<string, WireMockList<string>>> _headers;
+    private readonly IReadOnlyList<KeyValuePair<string, WireMockList<string>>> _headers;
 
     public WireMockAssertions(IWireMockServer subject, int? callsCount)
     {
@@ -27,12 +28,13 @@ public class WireMockAssertions
     public AndWhichConstraint<WireMockAssertions, string> AtAbsoluteUrl(string absoluteUrl, string because = "", params object[] becauseArgs)
     {
         Func<IRequestMessage, bool> predicate = request => string.Equals(request.AbsoluteUrl, absoluteUrl, StringComparison.OrdinalIgnoreCase);
+
         var (filter, condition) = BuildFilterAndCondition(predicate);
 
         Execute.Assertion
             .BecauseOf(because, becauseArgs)
             .Given(() => _requestMessages)
-            .ForCondition(requests => requests.Any())
+            .ForCondition(requests => _callsCount == 0 || requests.Any())
             .FailWith(
                 "Expected {context:wiremockserver} to have been called at address matching the absolute url {0}{reason}, but no calls were made.",
                 absoluteUrl
@@ -53,15 +55,17 @@ public class WireMockAssertions
     public AndWhichConstraint<WireMockAssertions, string> AtUrl(string url, string because = "", params object[] becauseArgs)
     {
         Func<IRequestMessage, bool> predicate = request => string.Equals(request.Url, url, StringComparison.OrdinalIgnoreCase);
+
         var (filter, condition) = BuildFilterAndCondition(predicate);
 
         Execute.Assertion
             .BecauseOf(because, becauseArgs)
             .Given(() => _requestMessages)
-            .ForCondition(requests => requests.Any())
+            .ForCondition(requests => _callsCount == 0 || requests.Any())
             .FailWith(
                 "Expected {context:wiremockserver} to have been called at address matching the url {0}{reason}, but no calls were made.",
-                url)
+                url
+            )
             .Then
             .ForCondition(condition)
             .FailWith(
@@ -79,12 +83,13 @@ public class WireMockAssertions
     public AndWhichConstraint<WireMockAssertions, string> WithProxyUrl(string proxyUrl, string because = "", params object[] becauseArgs)
     {
         Func<IRequestMessage, bool> predicate = request => string.Equals(request.ProxyUrl, proxyUrl, StringComparison.OrdinalIgnoreCase);
+
         var (filter, condition) = BuildFilterAndCondition(predicate);
 
         Execute.Assertion
             .BecauseOf(because, becauseArgs)
             .Given(() => _requestMessages)
-            .ForCondition(requests => requests.Any())
+            .ForCondition(requests => _callsCount == 0 || requests.Any())
             .FailWith(
                 "Expected {context:wiremockserver} to have been called with proxy url {0}{reason}, but no calls were made.",
                 proxyUrl
@@ -94,8 +99,7 @@ public class WireMockAssertions
             .FailWith(
                 "Expected {context:wiremockserver} to have been called with proxy url {0}{reason}, but didn't find it among the calls with {1}.",
                 _ => proxyUrl,
-                requests => requests
-                .Select(request => request.ProxyUrl)
+                requests => requests.Select(request => request.ProxyUrl)
             );
 
         _requestMessages = filter(_requestMessages).ToList();
@@ -107,23 +111,23 @@ public class WireMockAssertions
     public AndWhichConstraint<WireMockAssertions, string> FromClientIP(string clientIP, string because = "", params object[] becauseArgs)
     {
         Func<IRequestMessage, bool> predicate = request => string.Equals(request.ClientIP, clientIP, StringComparison.OrdinalIgnoreCase);
+
         var (filter, condition) = BuildFilterAndCondition(predicate);
 
         Execute.Assertion
             .BecauseOf(because, becauseArgs)
             .Given(() => _requestMessages)
-            .ForCondition(requests => requests.Any())
+            .ForCondition(requests => _callsCount == 0 || requests.Any())
             .FailWith(
                 "Expected {context:wiremockserver} to have been called from client IP {0}{reason}, but no calls were made.",
-                clientIP)
-            .Then
-            .ForCondition(requests =>
-                (_callsCount == null && requests.Any(req => req.ClientIP == clientIP)) ||
-                (_callsCount == requests.Count(req => req.ClientIP == clientIP))
+                clientIP
             )
+            .Then
+            .ForCondition(condition)
             .FailWith(
                 "Expected {context:wiremockserver} to have been called from client IP {0}{reason}, but didn't find it among the calls from IP(s) {1}.",
-                _ => clientIP, requests => requests.Select(request => request.ClientIP));
+                _ => clientIP, requests => requests.Select(request => request.ClientIP)
+            );
 
         _requestMessages = filter(_requestMessages).ToList();
 
@@ -199,16 +203,23 @@ public class WireMockAssertions
     public AndConstraint<WireMockAssertions> UsingTrace(string because = "", params object[] becauseArgs)
         => UsingMethod("TRACE", because, becauseArgs);
 
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> UsingAnyMethod(string because = "", params object[] becauseArgs)
+        => UsingMethod(Any, because, becauseArgs);
+
     [CustomAssertion]
     public AndConstraint<WireMockAssertions> UsingMethod(string method, string because = "", params object[] becauseArgs)
     {
-        Func<IRequestMessage, bool> predicate = request => string.Equals(request.Method, method, StringComparison.OrdinalIgnoreCase);
+        var any = method == Any;
+        Func<IRequestMessage, bool> predicate = request => (any && !string.IsNullOrEmpty(request.Method)) ||
+                                                           string.Equals(request.Method, method, StringComparison.OrdinalIgnoreCase);
+
         var (filter, condition) = BuildFilterAndCondition(predicate);
 
         Execute.Assertion
             .BecauseOf(because, becauseArgs)
             .Given(() => _requestMessages)
-            .ForCondition(requests => requests.Any())
+            .ForCondition(requests => _callsCount == 0 || requests.Any())
             .FailWith(
                 "Expected {context:wiremockserver} to have been called using method {0}{reason}, but no calls were made.",
                 method
@@ -230,12 +241,6 @@ public class WireMockAssertions
     {
         Func<IReadOnlyList<IRequestMessage>, IReadOnlyList<IRequestMessage>> filter = requests => requests.Where(predicate).ToList();
 
-        return
-        (
-            filter,
-            requests =>
-                (_callsCount == null && filter(_requestMessages).Any()) ||
-                (_callsCount == filter(_requestMessages).Count())
-        );
+        return (filter, requests => (_callsCount is null && filter(requests).Any()) || _callsCount == filter(requests).Count);
     }
 }

src/WireMock.Net/Settings/WireMockServerSettings.cs

@@ -12,7 +12,6 @@ using WireMock.RegularExpressions;
 using WireMock.Types;
 #if USE_ASPNETCORE
 using Microsoft.Extensions.DependencyInjection;
-using WireMock.Types;
 #endif
 
 namespace WireMock.Settings

test/WireMock.Net.Tests/FluentAssertions/WireMockAssertionsTests.cs

@@ -562,6 +562,44 @@ public class WireMockAssertionsTests : IDisposable
             .UsingTrace();
     }
 
+    [Fact]
+    public async Task HaveReceivedACall_UsingAnyMethod_WhenACallWasMadeUsingGet_Should_BeOK()
+    {
+        await _httpClient.SendAsync(new HttpRequestMessage(new HttpMethod("GET"), "anyurl")).ConfigureAwait(false);
+
+        _server.Should()
+            .HaveReceivedACall()
+            .UsingAnyMethod();
+    }
+
+    [Fact]
+    public void HaveReceivedNoCalls_UsingAnyMethod_WhenNoCallsWereMade_Should_BeOK()
+    {
+        _server
+            .Should()
+            .HaveReceived(0)
+            .Calls()
+            .UsingAnyMethod();
+
+        _server
+            .Should()
+            .HaveReceivedNoCalls()
+            .UsingAnyMethod();
+    }
+
+    [Fact]
+    public void HaveReceivedNoCalls_AtUrl_WhenNoCallsWereMade_Should_BeOK()
+    {
+        _server.Should()
+            .HaveReceived(0)
+            .Calls()
+            .AtUrl(_server.Url ?? string.Empty);
+
+        _server.Should()
+            .HaveReceivedNoCalls()
+            .AtUrl(_server.Url ?? string.Empty);
+    }
+
     public void Dispose()
     {
         _server?.Stop();