Build services as standalone executables

services/service_manager/runner/host/child_process_host_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Note: This file also tests child_process.*.
 
 #include "services/service_manager/runner/host/child_process_host.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/threading/thread.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/process_delegate.h"
 #include "services/service_manager/native_runner_delegate.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace service_manager {
 namespace {
 
+const char kTestServiceName[] = "host_test_service";
+
+const base::FilePath::CharType kPackagesPath[] = FILE_PATH_LITERAL("Packages");
+const base::FilePath::CharType kServiceExtension[] =
+    FILE_PATH_LITERAL(".service");
+
 void ProcessReadyCallbackAdapater(const base::Closure& callback,
                                   base::ProcessId process_id) {
   callback.Run();
 }
 
 class ProcessDelegate : public mojo::edk::ProcessDelegate {
  public:
   ProcessDelegate() {}
   ~ProcessDelegate() override {}
 
@@ skipping 25 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(NativeRunnerDelegateImpl);
 };
 
 #if defined(OS_ANDROID)
 // TODO(qsr): Multiprocess service manager tests are not supported on android.
 #define MAYBE_StartJoin DISABLED_StartJoin
 #else
 #define MAYBE_StartJoin StartJoin
 #endif  // defined(OS_ANDROID)
-// Just tests starting the child process and joining it (without starting an
-// app).
 TEST(ChildProcessHostTest, MAYBE_StartJoin) {
   base::FilePath service_manager_dir;
   PathService::Get(base::DIR_MODULE, &service_manager_dir);
   base::MessageLoop message_loop;
   scoped_refptr<base::SequencedWorkerPool> blocking_pool(
       new base::SequencedWorkerPool(3, "blocking_pool",
                                     base::TaskPriority::USER_VISIBLE));
 
   base::Thread io_thread("io_thread");
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   io_thread.StartWithOptions(options);
 
   ProcessDelegate delegate;
   mojo::edk::InitIPCSupport(&delegate, io_thread.task_runner());
 
+  base::FilePath test_service_path =
+      base::FilePath(kPackagesPath).AppendASCII(kTestServiceName)
+          .AppendASCII(kTestServiceName) .AddExtension(kServiceExtension);
+
   NativeRunnerDelegateImpl native_runner_delegate;
   ChildProcessHost child_process_host(blocking_pool.get(),
                                       &native_runner_delegate, false,
-                                      Identity(), base::FilePath());
+                                      Identity(), test_service_path);
   base::RunLoop run_loop;
   child_process_host.Start(
       Identity(),
       base::Bind(&ProcessReadyCallbackAdapater, run_loop.QuitClosure()),
       base::Bind(&base::DoNothing));
   run_loop.Run();
 
   child_process_host.Join();
   blocking_pool->Shutdown();
   mojo::edk::ShutdownIPCSupport();
   EXPECT_EQ(1u, native_runner_delegate.get_and_clear_adjust_count());
 }
 
 }  // namespace
 }  // namespace service_manager