Added specs for zero-length Content-Length header when params is nil or empty

Code/Network/RKRequest.m

@@ -178,7 +178,9 @@
 		if ([_params respondsToSelector:@selector(HTTPHeaderValueForContentLength)]) {
 			[_URLRequest setValue:[NSString stringWithFormat:@"%d", [_params HTTPHeaderValueForContentLength]] forHTTPHeaderField:@"Content-Length"];
 		}
-	}
+	} else {
+        [_URLRequest setValue:@"0" forHTTPHeaderField:@"Content-Length"];
+    }
     
     // Add authentication headers so we don't have to deal with an extra cycle for each message requiring basic auth.
     if (self.forceBasicAuthentication) {        

RestKit.xcodeproj/project.pbxproj

@@ -31,7 +31,6 @@
 /* End PBXAggregateTarget section */
 
 /* Begin PBXBuildFile section */
-		13924B7913AAB91700DD5078 /* libUISpec.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 13924B7813AAB91700DD5078 /* libUISpec.a */; };
 		25064735138DF17C0002F2FE /* RKManagedObjectSeeder.m in Sources */ = {isa = PBXBuildFile; fileRef = 253A088912551D8D00976E89 /* RKManagedObjectSeeder.m */; };
 		250C296C13411E60000A3551 /* RKRequestQueueSpec.m in Sources */ = {isa = PBXBuildFile; fileRef = 250C296B13411E60000A3551 /* RKRequestQueueSpec.m */; };
 		250C29FD134185D2000A3551 /* RKNetwork.h in Headers */ = {isa = PBXBuildFile; fileRef = 250C29FB134185CE000A3551 /* RKNetwork.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -110,6 +109,7 @@
 		256FD651112C7B780077F340 /* RKMappableObject.m in Sources */ = {isa = PBXBuildFile; fileRef = 256FD64F112C7B780077F340 /* RKMappableObject.m */; };
 		256FD652112C7B780077F340 /* RKMappableAssociation.m in Sources */ = {isa = PBXBuildFile; fileRef = 256FD650112C7B780077F340 /* RKMappableAssociation.m */; };
 		256FDE55112DB0B90077F340 /* RKObjectMapperSpecModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 256FDE54112DB0B90077F340 /* RKObjectMapperSpecModel.m */; };
+		25716F6F13D7979A00572BD9 /* libUISpec.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 13924B7513AAB8F500DD5078 /* libUISpec.a */; };
 		257D2D7013759D70008E9649 /* RKObjectMappingResult.h in Headers */ = {isa = PBXBuildFile; fileRef = 257D2D6E13759D6F008E9649 /* RKObjectMappingResult.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		257D2D7113759D70008E9649 /* RKObjectMappingResult.m in Sources */ = {isa = PBXBuildFile; fileRef = 257D2D6F13759D6F008E9649 /* RKObjectMappingResult.m */; };
 		257FB677139559A4003A628E /* RKManagedObjectMapping.h in Headers */ = {isa = PBXBuildFile; fileRef = 257FB675139559A4003A628E /* RKManagedObjectMapping.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -755,7 +755,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				13924B7913AAB91700DD5078 /* libUISpec.a in Frameworks */,
+				25716F6F13D7979A00572BD9 /* libUISpec.a in Frameworks */,
 				25A1CB50138419D900A7D5C9 /* libRestKitJSONParserJSONKit.a in Frameworks */,
 				25A1CB51138419D900A7D5C9 /* libRestKitJSONParserSBJSON.a in Frameworks */,
 				25A1CB52138419D900A7D5C9 /* libRestKitXMLParserLibxml.a in Frameworks */,

RestKit.xcodeproj/xcshareddata/xcschemes/UISpec.xcscheme

@@ -49,7 +49,7 @@
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       buildConfiguration = "Debug"
-      enablesOpenGLESFrameCapture = "YES">
+      debugDocumentVersioning = "YES">
       <BuildableProductRunnable>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -87,13 +87,13 @@
          </EnvironmentVariable>
          <EnvironmentVariable
             key = "UISPEC_SPEC"
-            value = "RKManagedObjectStoreSpec"
+            value = "RKRequestSpec"
             isEnabled = "YES">
          </EnvironmentVariable>
          <EnvironmentVariable
             key = "UISPEC_EXAMPLE"
-            value = "itShouldAllowYouToPOSTAnObjectAndMapBackNonNestedContent"
+            value = "itShouldPUTWithParams"
-            isEnabled = "NO">
+            isEnabled = "YES">
          </EnvironmentVariable>
          <EnvironmentVariable
             key = "NSAutoreleaseHaltOnNoPool"
@@ -110,7 +110,8 @@
       shouldUseLaunchSchemeArgsEnv = "YES"
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
-      buildConfiguration = "Release">
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
       <BuildableProductRunnable>
          <BuildableReference
             BuildableIdentifier = "primary"

Specs/Network/RKRequestSpec.m

@@ -535,4 +535,39 @@
     [loader waitForResponse];
     assertThat([loader.response bodyAsString], is(equalTo(@"{\"username\":\"hello\",\"password\":\"password\"}")));
 }
+
+- (void)itShouldSetAnEmptyContentBodyWhenParamsIsNil {
+    RKClient* client = RKSpecNewClient();
+    client.cachePolicy = RKRequestCachePolicyNone;
+    RKSpecStubNetworkAvailability(YES);
+    RKSpecResponseLoader* loader = [RKSpecResponseLoader responseLoader];
+    loader.timeout = 20;
+    RKRequest* request = [client get:@"/echo_params" delegate:loader];
+    [loader waitForResponse];
+    assertThat([request.URLRequest valueForHTTPHeaderField:@"Content-Length"], is(equalTo(@"0")));
+}
+
+- (void)itShouldSetAnEmptyContentBodyWhenQueryParamsIsAnEmptyDictionary {
+    RKClient* client = RKSpecNewClient();
+    client.cachePolicy = RKRequestCachePolicyNone;
+    RKSpecStubNetworkAvailability(YES);
+    RKSpecResponseLoader* loader = [RKSpecResponseLoader responseLoader];
+    loader.timeout = 20;
+    RKRequest* request = [client get:@"/echo_params" queryParams:[NSDictionary dictionary] delegate:loader];
+    [loader waitForResponse];
+    assertThat([request.URLRequest valueForHTTPHeaderField:@"Content-Length"], is(equalTo(@"0")));
+}
+
+- (void)itShouldPUTWithParams {
+    RKClient* client = RKSpecNewClient();
+    RKParams *params = [RKParams params];    
+    [params setValue:@"ddss" forParam:@"username"];    
+    [params setValue:@"aaaa@aa.com" forParam:@"email"];    
+    RKLogConfigureByName("RestKit/Network*", RKLogLevelTrace);
+    RKSpecResponseLoader* loader = [RKSpecResponseLoader responseLoader];
+    [client put:@"/ping" params:params delegate:loader];
+    [loader waitForResponse];
+    assertThat([loader.response bodyAsString], is(equalTo(@"{\"username\":\"ddss\",\"email\":\"aaaa@aa.com\"}")));
+}
+
 @end

Specs/ObjectMapping/RKObjectManagerSpec.m

@@ -190,4 +190,40 @@
     assertThat(human.name, is(equalTo(@"My Name")));
 }
 
+- (void)itShouldNotSetAContentBodyOnAGET {
+    RKObjectManager* objectManager = RKSpecNewObjectManager();
+    [objectManager.router routeClass:[RKObjectMapperSpecModel class] toResourcePath:@"/humans/1"];
+    
+    RKObjectMapping* mapping = [RKObjectMapping mappingForClass:[RKObjectMapperSpecModel class]];
+    [mapping mapAttributes:@"name", @"age", nil];
+    [objectManager.mappingProvider registerMapping:mapping withRootKeyPath:@"human"];
+    
+    RKSpecResponseLoader* responseLoader = [RKSpecResponseLoader responseLoader];
+    RKObjectMapperSpecModel* human = [[RKObjectMapperSpecModel new] autorelease];
+    human.name = @"Blake Watters";
+    human.age = [NSNumber numberWithInt:28];
+    RKObjectLoader* loader = [objectManager getObject:human delegate:responseLoader];
+    [responseLoader waitForResponse];
+    RKLogCritical(@"%@", [loader.URLRequest allHTTPHeaderFields]);
+    assertThat([loader.URLRequest valueForHTTPHeaderField:@"Content-Length"], is(equalTo(@"0")));
+}
+
+- (void)itShouldNotSetAContentBodyOnADELETE {
+    RKObjectManager* objectManager = RKSpecNewObjectManager();
+    [objectManager.router routeClass:[RKObjectMapperSpecModel class] toResourcePath:@"/humans/1"];
+    
+    RKObjectMapping* mapping = [RKObjectMapping mappingForClass:[RKObjectMapperSpecModel class]];
+    [mapping mapAttributes:@"name", @"age", nil];
+    [objectManager.mappingProvider registerMapping:mapping withRootKeyPath:@"human"];
+    
+    RKSpecResponseLoader* responseLoader = [RKSpecResponseLoader responseLoader];
+    RKObjectMapperSpecModel* human = [[RKObjectMapperSpecModel new] autorelease];
+    human.name = @"Blake Watters";
+    human.age = [NSNumber numberWithInt:28];
+    RKObjectLoader* loader = [objectManager deleteObject:human delegate:responseLoader];
+    [responseLoader waitForResponse];
+    RKLogCritical(@"%@", [loader.URLRequest allHTTPHeaderFields]);
+    assertThat([loader.URLRequest valueForHTTPHeaderField:@"Content-Length"], is(equalTo(@"0")));
+}
+
 @end

Specs/Server/server.rb

@@ -95,6 +95,12 @@ class RestKit::SpecServer < Sinatra::Base
     { :firstUser => {}, :secondUser => {}}.to_json
   end
   
+  put '/ping' do
+    status 200
+    content_type 'application/json'
+    params.to_json
+  end
+  
   # start the server if ruby file executed directly
   run! if app_file == $0
 end