Warnings and macro guards for op batch log

17 files changed, 390 insertions, 58 deletions

diff --git a/src/objective-c/GRPCClient/GRPCCall+Tests.h b/src/objective-c/GRPCClient/internal_testing/GRPCCall+Tests.h
index f1618afdbf..0325f5a192 100644
--- a/src/objective-c/GRPCClient/GRPCCall+Tests.h
+++ b/src/objective-c/GRPCClient/internal_testing/GRPCCall+Tests.h
@@ -31,7 +31,7 @@
  *
  */
 
-#import "GRPCCall.h"
+#import "../GRPCCall.h"
 
 /**
  * Methods to let tune down the security of gRPC connections for specific hosts. These shouldn't be
@@ -66,16 +66,17 @@
 
 /**
  * Enables logging of op batches. Memory consumption increases as more ops are logged.
+ *
+ * This function is for internal testing of gRPC only. It is not part of gRPC's public interface.
+ * Do not use in production. To enable, set the preprocessor flag GRPC_TEST_OBJC.
  */
 + (void)enableOpBatchLog:(BOOL)enabled;
 
 /**
- * Add an op batch to log.
- */
-+ (void)addOpBatchToLog:(NSArray *)batch;
-
-/**
  * Obtain the logged op batches. Invoking this method will clean the log.
+ *
+ * This function is for internal testing of gRPC only. It is not part of gRPC's public interface.
+ * Do not use in production. To enable, set the preprocessor flag GRPC_TEST_OBJC.
  */
 + (NSArray *)obtainAndCleanOpBatchLog;
 @end
diff --git a/src/objective-c/GRPCClient/GRPCCall+Tests.m b/src/objective-c/GRPCClient/internal_testing/GRPCCall+Tests.m
index fe864707e0..5109480bef 100644
--- a/src/objective-c/GRPCClient/GRPCCall+Tests.m
+++ b/src/objective-c/GRPCClient/internal_testing/GRPCCall+Tests.m
@@ -33,7 +33,8 @@
 
 #import "GRPCCall+Tests.h"
 
-#import "private/GRPCHost.h"
+#import "../private/GRPCHost.h"
+#import "../private/GRPCOpBatchLog.h"
 
 @implementation GRPCCall (Tests)
 
@@ -65,40 +66,25 @@
   [GRPCHost resetAllHostSettings];
 }
 
-static NSMutableArray *opBatchLog = nil;
-
 + (void)enableOpBatchLog:(BOOL)enabled {
-  @synchronized (opBatchLog) {
-    if (enabled) {
-      if (!opBatchLog) {
-        opBatchLog = [NSMutableArray array];
-      }
-    } else {
-      if (opBatchLog) {
-        opBatchLog = nil;
-      }
-    }
-  }
-}
-
-+ (void)addOpBatchToLog:(NSArray *)batch {
-  @synchronized (opBatchLog) {
-    if (opBatchLog) {
-      [opBatchLog addObject:batch];
-    }
-  }
+#ifdef GRPC_TEST_OBJC
+  [GRPCOpBatchLog enableOpBatchLog:enabled];
+#else
+  NSLog(@"This function is for internal testing of gRPC only. "
+        "It is not part of gRPC's public interface. Do not use in production. "
+        "To enable, set the preprocessor flag GRPC_TEST_OBJC.");
+#endif
 }
 
 + (NSArray *)obtainAndCleanOpBatchLog {
-  @synchronized (opBatchLog) {
-    if (opBatchLog) {
-      NSArray *out = opBatchLog;
-      opBatchLog = [NSMutableArray array];
-      return out;
-    } else {
-      return nil;
-    }
-  }
+#ifdef GRPC_TEST_OBJC
+  return [GRPCOpBatchLog obtainAndCleanOpBatchLog];
+#else
+  NSLog(@"This function is for internal testing of gRPC only. "
+        "It is not part of gRPC's public interface. Do not use in production. "
+        "To enable, set the preprocessor flag GRPC_TEST_OBJC.");
+  return nil;
+#endif
 }
 
 @end
diff --git a/src/objective-c/GRPCClient/private/GRPCOpBatchLog.h b/src/objective-c/GRPCClient/private/GRPCOpBatchLog.h
new file mode 100644
index 0000000000..dbc3417acf
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCOpBatchLog.h
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/**
+ * Logs the op batches of a client. Used for testing.
+ */
+@interface GRPCOpBatchLog : NSObject
+
+/**
+ * Enables logging of op batches. Memory consumption increases as more ops are logged.
+ */
++ (void)enableOpBatchLog:(BOOL)enabled;
+
+/**
+ * Add an op batch to log.
+ */
++ (void)addOpBatchToLog:(NSArray *)batch;
+
+/**
+ * Obtain the logged op batches. Invoking this method will clean the log.
+ */
++ (NSArray *)obtainAndCleanOpBatchLog;
+
+@end
diff --git a/src/objective-c/GRPCClient/private/GRPCOpBatchLog.m b/src/objective-c/GRPCClient/private/GRPCOpBatchLog.m
new file mode 100644
index 0000000000..e5e7100ddf
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCOpBatchLog.m
@@ -0,0 +1,74 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#import "GRPCOpBatchLog.h"
+
+@implementation GRPCOpBatchLog
+
+NSMutableArray *opBatchLog = nil;
+
++ (void)enableOpBatchLog:(BOOL)enabled {
+  @synchronized (opBatchLog) {
+    if (enabled) {
+      if (!opBatchLog) {
+        opBatchLog = [NSMutableArray array];
+      }
+    } else {
+      if (opBatchLog) {
+        opBatchLog = nil;
+      }
+    }
+  }
+}
+
++ (void)addOpBatchToLog:(NSArray *)batch {
+  @synchronized (opBatchLog) {
+    if (opBatchLog) {
+      [opBatchLog addObject:batch];
+    }
+  }
+}
+
++ (NSArray *)obtainAndCleanOpBatchLog {
+  @synchronized (opBatchLog) {
+    if (opBatchLog) {
+      NSArray *out = opBatchLog;
+      opBatchLog = [NSMutableArray array];
+      return out;
+    } else {
+      return nil;
+    }
+  }
+}
+
+@end
\ No newline at end of file
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index 9d493e1e8a..4476a41bd9 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -44,7 +44,7 @@
 #import "NSData+GRPC.h"
 #import "NSError+GRPC.h"
 
-#import "GRPCCall+Tests.h"
+#import "GRPCOpBatchLog.h"
 
 @implementation GRPCOperation {
 @protected
@@ -276,7 +276,9 @@
 }
 
 - (void)startBatchWithOperations:(NSArray *)operations errorHandler:(void (^)())errorHandler {
-  [GRPCCall addOpBatchToLog:operations];
+#ifdef GRPC_TEST_OBJC
+  [GRPCOpBatchLog addOpBatchToLog:operations];
+#endif
 
   size_t nops = operations.count;
   grpc_op *ops_array = gpr_malloc(nops * sizeof(grpc_op));
diff --git a/src/objective-c/tests/GRPCClientTests.m b/src/objective-c/tests/GRPCClientTests.m
index 0b72a75f3d..a1bb835e5d 100644
--- a/src/objective-c/tests/GRPCClientTests.m
+++ b/src/objective-c/tests/GRPCClientTests.m
@@ -37,7 +37,7 @@
 #import <GRPCClient/GRPCCall.h>
 #import <GRPCClient/GRPCCall+ChannelArg.h>
 #import <GRPCClient/GRPCCall+OAuth2.h>
-#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/internal_testing/GRPCCall+Tests.h>
 #import <ProtoRPC/ProtoMethod.h>
 #import <RemoteTest/Messages.pbobjc.h>
 #import <RxLibrary/GRXWriteable.h>
diff --git a/src/objective-c/tests/InteropTests.m b/src/objective-c/tests/InteropTests.m
index 2bd54e1714..592dca9dde 100644
--- a/src/objective-c/tests/InteropTests.m
+++ b/src/objective-c/tests/InteropTests.m
@@ -37,7 +37,7 @@
 
 #import <Cronet/Cronet.h>
 #import <GRPCClient/GRPCCall+ChannelArg.h>
-#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/internal_testing/GRPCCall+Tests.h>
 #import <GRPCClient/GRPCCall+Cronet.h>
 #import <ProtoRPC/ProtoRPC.h>
 #import <RemoteTest/Messages.pbobjc.h>
diff --git a/src/objective-c/tests/InteropTestsLocalCleartext.m b/src/objective-c/tests/InteropTestsLocalCleartext.m
index b41210f50f..6e7624e204 100644
--- a/src/objective-c/tests/InteropTestsLocalCleartext.m
+++ b/src/objective-c/tests/InteropTestsLocalCleartext.m
@@ -31,7 +31,7 @@
  *
  */
 
-#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/internal_testing/GRPCCall+Tests.h>
 
 #import "InteropTests.h"
 
diff --git a/src/objective-c/tests/InteropTestsLocalSSL.m b/src/objective-c/tests/InteropTestsLocalSSL.m
index 1479c5896c..12007bbd68 100644
--- a/src/objective-c/tests/InteropTestsLocalSSL.m
+++ b/src/objective-c/tests/InteropTestsLocalSSL.m
@@ -31,7 +31,7 @@
  *
  */
 
-#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/internal_testing/GRPCCall+Tests.h>
 
 #import "InteropTests.h"
 
diff --git a/src/objective-c/tests/InteropTestsRemote.m b/src/objective-c/tests/InteropTestsRemote.m
index 70f84753bb..b0a64a3cae 100644
--- a/src/objective-c/tests/InteropTestsRemote.m
+++ b/src/objective-c/tests/InteropTestsRemote.m
@@ -31,7 +31,7 @@
  *
  */
 
-#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/internal_testing/GRPCCall+Tests.h>
 
 #import "InteropTests.h"
 
diff --git a/src/objective-c/tests/InteropTestsRemoteWithCronet/InteropTestsRemoteWithCronet.m b/src/objective-c/tests/InteropTestsRemoteWithCronet/InteropTestsRemoteWithCronet.m
index 793b71a9be..c8742b7fe8 100644
--- a/src/objective-c/tests/InteropTestsRemoteWithCronet/InteropTestsRemoteWithCronet.m
+++ b/src/objective-c/tests/InteropTestsRemoteWithCronet/InteropTestsRemoteWithCronet.m
@@ -31,7 +31,7 @@
  *
  */
 
-#import <GRPCClient/GRPCCall+Tests.h>
+#import <GRPCClient/internal_testing/GRPCCall+Tests.h>
 
 #import <Cronet/Cronet.h>
 #import <GRPCClient/GRPCCall+Cronet.h>
diff --git a/src/objective-c/tests/Podfile b/src/objective-c/tests/Podfile
index 462c6a8e0e..5ada61c3d4 100644
--- a/src/objective-c/tests/Podfile
+++ b/src/objective-c/tests/Podfile
@@ -103,10 +103,14 @@ post_install do |installer|
 
     # Activate Cronet for the dedicated build configuration 'Cronet', which will be used solely by
     # the test target 'InteropTestsRemoteWithCronet'
+    # Activate GRPCCall+Tests functions for the dedicated build configuration 'Test', which will
+    # be used by all test targets using it.
     if target.name == 'gRPC'
       target.build_configurations.each do |config|
         if config.name == 'Cronet'
-          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] = '$(inherited) COCOAPODS=1 GRPC_COMPILE_WITH_CRONET=1'
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] = '$(inherited) COCOAPODS=1 GRPC_COMPILE_WITH_CRONET=1 GRPC_TEST_OBJC'
+        elsif config.name == 'Test'
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] = '$(inherited) COCOAPODS=1 GRPC_TEST_OBJC'
         end
       end
     end
diff --git a/src/objective-c/tests/Tests.xcodeproj/project.pbxproj b/src/objective-c/tests/Tests.xcodeproj/project.pbxproj
index 32b35ef333..57e417c2a8 100644
--- a/src/objective-c/tests/Tests.xcodeproj/project.pbxproj
+++ b/src/objective-c/tests/Tests.xcodeproj/project.pbxproj
@@ -125,8 +125,10 @@
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+		1588C85DEAF7FC0ACDEA4C02 /* Pods-InteropTestsLocalCleartext.test.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-InteropTestsLocalCleartext.test.xcconfig"; path = "Pods/Target Support Files/Pods-InteropTestsLocalCleartext/Pods-InteropTestsLocalCleartext.test.xcconfig"; sourceTree = "<group>"; };
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+		2B89F3037963E6EDDD48D8C3 /* Pods-InteropTestsRemoteWithCronet.test.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-InteropTestsRemoteWithCronet.test.xcconfig"; path = "Pods/Target Support Files/Pods-InteropTestsRemoteWithCronet/Pods-InteropTestsRemoteWithCronet.test.xcconfig"; sourceTree = "<group>"; };
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@@ -162,15 +164,22 @@
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+		781089FAE980F51F88A3BE0B /* Pods-RxLibraryUnitTests.test.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RxLibraryUnitTests.test.xcconfig"; path = "Pods/Target Support Files/Pods-RxLibraryUnitTests/Pods-RxLibraryUnitTests.test.xcconfig"; sourceTree = "<group>"; };
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--- a/src/objective-c/tests/Tests.xcodeproj/xcshareddata/xcschemes/AllTests.xcscheme
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