feat(awesome-assertions): Added new project WireMock.Net.AwesomeAssertions (#1273)

* feat(awesome-assertions): Added new project WireMock.Net.AwesomeAssertions

* feat(awesome-assertions): Applied dotnet naming convention for private readonly fields

---------

Co-authored-by: Francesco Venturoli <f.venturoli@crif.com>

src/WireMock.Net.AwesomeAssertions/Assertions/WireMockAssertions.WithBody.cs

@@ -0,0 +1,147 @@
+// Copyright © WireMock.Net
+
+#pragma warning disable CS1591
+using System;
+using System.Collections.Generic;
+using AnyOfTypes;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using WireMock.Extensions;
+using WireMock.Matchers;
+using WireMock.Models;
+
+// ReSharper disable once CheckNamespace
+namespace WireMock.FluentAssertions;
+
+public partial class WireMockAssertions
+{
+    private const string MessageFormatNoCalls = "Expected {context:wiremockserver} to have been called using body {0}{reason}, but no calls were made.";
+    private const string MessageFormat = "Expected {context:wiremockserver} to have been called using body {0}{reason}, but didn't find it among the body/bodies {1}.";
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBody(string body, string because = "", params object[] becauseArgs)
+    {
+        return WithBody(new WildcardMatcher(body), because, becauseArgs);
+    }
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBody(IStringMatcher matcher, string because = "", params object[] becauseArgs)
+    {
+        var (filter, condition) = BuildFilterAndCondition(r => r.Body, matcher);
+
+        return ExecuteAssertionWithBodyStringMatcher(matcher, because, becauseArgs, condition, filter, r => r.Body);
+    }
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBodyAsJson(object body, string because = "", params object[] becauseArgs)
+    {
+        return WithBodyAsJson(new JsonMatcher(body), because, becauseArgs);
+    }
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBodyAsJson(string body, string because = "", params object[] becauseArgs)
+    {
+        return WithBodyAsJson(new JsonMatcher(body), because, becauseArgs);
+    }
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBodyAsJson(IObjectMatcher matcher, string because = "", params object[] becauseArgs)
+    {
+        var (filter, condition) = BuildFilterAndCondition(r => r.BodyAsJson, matcher);
+
+        return ExecuteAssertionWithBodyAsIObjectMatcher(matcher, because, becauseArgs, condition, filter, r => r.BodyAsJson);
+    }
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBodyAsBytes(byte[] body, string because = "", params object[] becauseArgs)
+    {
+        return WithBodyAsBytes(new ExactObjectMatcher(body), because, becauseArgs);
+    }
+
+    [CustomAssertion]
+    public AndConstraint<WireMockAssertions> WithBodyAsBytes(ExactObjectMatcher matcher, string because = "", params object[] becauseArgs)
+    {
+        var (filter, condition) = BuildFilterAndCondition(r => r.BodyAsBytes, matcher);
+
+        return ExecuteAssertionWithBodyAsIObjectMatcher(matcher, because, becauseArgs, condition, filter, r => r.BodyAsBytes);
+    }
+
+    private AndConstraint<WireMockAssertions> ExecuteAssertionWithBodyStringMatcher(
+        IStringMatcher matcher,
+        string because,
+        object[] becauseArgs,
+        Func<IReadOnlyList<IRequestMessage>, bool> condition,
+        Func<IReadOnlyList<IRequestMessage>, IReadOnlyList<IRequestMessage>> filter,
+        Func<IRequestMessage, object?> expression
+    )
+    {
+        _chain
+            .BecauseOf(because, becauseArgs)
+            .Given(() => RequestMessages)
+            .ForCondition(requests => CallsCount == 0 || requests.Any())
+            .FailWith(
+                MessageFormatNoCalls,
+                FormatBody(matcher.GetPatterns())
+            )
+            .Then
+            .ForCondition(condition)
+            .FailWith(
+                MessageFormat,
+                _ => FormatBody(matcher.GetPatterns()),
+                requests => FormatBodies(requests.Select(expression))
+            );
+
+        FilterRequestMessages(filter);
+
+        return new AndConstraint<WireMockAssertions>(this);
+    }
+
+    private AndConstraint<WireMockAssertions> ExecuteAssertionWithBodyAsIObjectMatcher(
+        IObjectMatcher matcher,
+        string because,
+        object[] becauseArgs,
+        Func<IReadOnlyList<IRequestMessage>, bool> condition,
+        Func<IReadOnlyList<IRequestMessage>, IReadOnlyList<IRequestMessage>> filter,
+        Func<IRequestMessage, object?> expression
+    )
+    {
+        _chain
+            .BecauseOf(because, becauseArgs)
+            .Given(() => RequestMessages)
+            .ForCondition(requests => CallsCount == 0 || requests.Any())
+            .FailWith(
+                MessageFormatNoCalls,
+                FormatBody(matcher.Value)
+            )
+            .Then
+            .ForCondition(condition)
+            .FailWith(
+                MessageFormat,
+                _ => FormatBody(matcher.Value),
+                requests => FormatBodies(requests.Select(expression))
+            );
+
+        FilterRequestMessages(filter);
+
+        return new AndConstraint<WireMockAssertions>(this);
+    }
+
+    private static string? FormatBody(object? body)
+    {
+        return body switch
+        {
+            null => null,
+            string str => str,
+            AnyOf<string, StringPattern>[] stringPatterns => FormatBodies(stringPatterns.Select(p => p.GetPattern())),
+            byte[] bytes => $"byte[{bytes.Length}] {{...}}",
+            JToken jToken => jToken.ToString(Formatting.None),
+            _ => JToken.FromObject(body).ToString(Formatting.None)
+        };
+    }
+
+    private static string? FormatBodies(IEnumerable<object?> bodies)
+    {
+        var valueAsArray = bodies as object[] ?? bodies.ToArray();
+        return valueAsArray.Length == 1 ? FormatBody(valueAsArray[0]) : $"[ {string.Join(", ", valueAsArray.Select(FormatBody))} ]";
+    }
+}