Updated documentation with StringContent of HTTP response message (closes #168)

Author: ivaylokenov

documentation/README.md

@@ -1290,7 +1290,8 @@ MyWebApi
 	.WithResponseModelOfType<ResponseModel>();
 
 // tests whether the action returns HttpResponseMessage
-// with content response model object
+// with content response model object deeply equal
+// to the provided one
 MyWebApi
 	.Controller<WebApiController>()
 	.Calling(c => c.SomeAction())
@@ -1307,6 +1308,15 @@ MyWebApi
 	.HttpResponseMessage()
 	.WithContentOfType<ObjectContent>();
 
+// tests whether the action returns HttpResponseMessage
+// with StringContent and expected string
+MyWebApi
+	.Controller<WebApiController>()
+	.Calling(c => c.SomeAction())
+	.ShouldReturn()
+	.HttpResponseMessage()
+	.WithStringContent("SomeString");
+	
 // tests whether the action returns HttpResponseMessage
 // with specific media type formatter
 MyWebApi
@@ -1576,7 +1586,8 @@ MyWebApi
 				.AndAlso()
 				.ContainingMediaTypeFormatterOfType<SomeMediaTypeFormatter>());
 
-// tests whether the action returns OkResult with specific object
+// tests whether the action returns OkResult with object
+// deeply equal to the provided one
 MyWebApi
 	.Controller<WebApiController>()
 	.Calling(c => c.SomeAction())

src/MyWebApi/Utilities/Validators/HttpResponseMessageValidator.cs

@@ -51,6 +51,12 @@ public static void WithContentOfType<TContentType>(
             }
         }
 
+        /// <summary>
+        /// Tests whether the content of the HTTP response message contains the provided string.
+        /// </summary>
+        /// <param name="actualContent">Actual HTTP content.</param>
+        /// <param name="expectedContent">Expected string content.</param>
+        /// <param name="failedValidationAction">Action to call in case of failed validation.</param>
         public static void WithStringContent(
             HttpContent actualContent,
             string expectedContent,