Allows client to access auth token from command line specified file.

blimp/common/fake_commandline.cc

Index: blimp/common/fake_commandline.cc
diff --git a/blimp/common/fake_commandline.cc b/blimp/common/fake_commandline.cc
new file mode 100644
index 0000000000000000000000000000000000000000..24f98f0ba48f953521bd2bc47dc37fd22d303340
--- /dev/null
+++ b/blimp/common/fake_commandline.cc
@@ -0,0 +1,43 @@
+// Copyright 2016 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.
+
+#include "blimp/common/fake_commandline.h"
+
+#include <string>
+#include <vector>
+
+#include "base/command_line.h"
+#include "base/files/file_util.h"
+#include "base/strings/stringprintf.h"
+#include "blimp/engine/app/switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blimp {
+
+void CreateFileForSwitch(const std::string& filepath_switch,
+                    const std::string& data) {
+  ASSERT_TRUE(base::WriteFile(GetFilepathForSwitch(filepath_switch),
+                              data.c_str(), data.size()));
+}
+
+void RemoveFileForSwitch(const std::string& filepath_switch) {
+  base::DeleteFile(GetFilepathForSwitch(filepath_switch), false);
+}
+
+base::CommandLine CreateCommandLine(
+    const std::vector<std::string>& filepath_switches) {
+  base::CommandLine::StringVector cmd_vec = {"dummy_program"};
+  for (const std::string& filepath_switch : filepath_switches) {
+    cmd_vec.push_back(base::StringPrintf(
+        "--%s=%s", filepath_switch.c_str(),
+        GetFilepathForSwitch(filepath_switch).AsUTF8Unsafe().c_str()));
+  }
+  return base::CommandLine(cmd_vec);
+}
+
+base::FilePath GetFilepathForSwitch(
+    const std::string& filepath_switch) {
+  return temp_dir_.path().Append(filepath_switch);
+}
+}  // namespace blimp