Establish Objective C end-to-end core test with Cronet

gRPC-Core.podspec

@@ -101,6 +101,8 @@ Pod::Spec.new do |s|
     'ALWAYS_SEARCH_USER_PATHS' => 'NO',
   }
 
+  s.default_subspecs = 'Interface', 'Implementation'
+
   # Like many other C libraries, gRPC-Core has its public headers under `include/<libname>/` and its
   # sources and private headers in other directories outside `include/`. Cocoapods' linter doesn't
   # allow any header to be listed outside the `header_mappings_dir` (even though doing so works in

src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m

@@ -32,28 +32,15 @@
  */
 
 #import <XCTest/XCTest.h>
+#include "./h2_ssl.h"
 
 @interface CoreCronetEnd2EndTests : XCTestCase
 
 @end
 
-int main(int argc, char **argv);
-
 @implementation CoreCronetEnd2EndTests
 
-- (void)setUp {
-    [super setUp];
-    // Put setup code here. This method is called before the invocation of each test method in the class.
-}
-
-- (void)tearDown {
-    // Put teardown code here. This method is called after the invocation of each test method in the class.
-    [super tearDown];
-}
-
 - (void)testCoreCronetEnd2End {
-    // This is an example of a functional test case.
-    // Use XCTAssert and related functions to verify your tests produce the correct results.
   char *argv[] = {"h2_ssl"};
   main(1, argv);
 }

src/objective-c/tests/CoreCronetEnd2EndTests/h2_ssl.h

-//
-//  h2_ssl.h
-//  Tests
-//
-//  Created by Muxi Yan on 7/15/16.
-//  Copyright © 2016 gRPC. All rights reserved.
-//
+/*
+ *
+ * Copyright 2015, 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.
+ *
+ */
 
-#ifndef h2_ssl_h
-#define h2_ssl_h
+#ifndef GRPC_H2_SSL_H
+#define GRPC_H2_SSL_H
 
+int main(int argc, char **argv);
 
-#endif /* h2_ssl_h */
+#endif /* GRPC_H2_SSL_H */
\ No newline at end of file

src/objective-c/tests/Podfile

@@ -27,6 +27,7 @@ GRPC_LOCAL_SRC = '../../..'
     pod 'gRPC-Core',      :path => GRPC_LOCAL_SRC
     pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
     pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
+    pod 'RemoteTest', :path => "RemoteTestClient"
   end
 end
 
@@ -74,7 +75,7 @@ post_install do |installer|
     target.build_configurations.each do |config|
       config.build_settings['GCC_TREAT_WARNINGS_AS_ERRORS'] = 'YES'
     end
-    if target.name == 'gRPC-Core'
+    if target.name == 'gRPC-Core' or target.name == 'gRPC-Core.default-Cronet-Interface-Cronet-Tests'
       target.build_configurations.each do |config|
         # TODO(zyc): Remove this setting after the issue is resolved
         # GPR_UNREACHABLE_CODE causes "Control may reach end of non-void

src/objective-c/tests/Tests.xcodeproj/project.pbxproj

@@ -113,6 +113,7 @@
 		5E8A5DA41D3840B4000F8BC4 /* CoreCronetEnd2EndTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = CoreCronetEnd2EndTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		5E8A5DA61D3840B4000F8BC4 /* CoreCronetEnd2EndTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = CoreCronetEnd2EndTests.m; sourceTree = "<group>"; };
 		5E8A5DAF1D3849F1000F8BC4 /* h2_ssl.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = h2_ssl.m; sourceTree = "<group>"; };
+		5ED3173E1D397C7500C613BD /* h2_ssl.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = h2_ssl.h; sourceTree = "<group>"; };
 		6312AE4D1B1BF49B00341DEE /* GRPCClientTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GRPCClientTests.m; sourceTree = "<group>"; };
 		63423F441B150A5F006CF63C /* AllTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = AllTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		63423F501B151B77006CF63C /* RxLibraryUnitTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RxLibraryUnitTests.m; sourceTree = "<group>"; };
@@ -252,6 +253,7 @@
 			isa = PBXGroup;
 			children = (
 				5E8A5DAF1D3849F1000F8BC4 /* h2_ssl.m */,
+				5ED3173E1D397C7500C613BD /* h2_ssl.h */,
 				5E8A5DA61D3840B4000F8BC4 /* CoreCronetEnd2EndTests.m */,
 			);
 			path = CoreCronetEnd2EndTests;