Move DnsApiTest.DnsResolveIPLiteral and DnsApiTest.DnsResolveHostname to app_shell_browsertests.

extensions/browser/api_test_utils.cc

Index: extensions/browser/api_test_utils.cc
diff --git a/extensions/browser/api_test_utils.cc b/extensions/browser/api_test_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4c9a58b95cdbc5dc260dc6ce3d95a9410204c254
--- /dev/null
+++ b/extensions/browser/api_test_utils.cc
@@ -0,0 +1,132 @@
+// 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.
+
+#include "extensions/browser/api_test_utils.h"
+
+#include "base/json/json_reader.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/test/test_utils.h"
+#include "extensions/browser/extension_function.h"
+#include "extensions/browser/extension_function_dispatcher.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+base::Value* ParseJSON(const std::string& data) {
+  return base::JSONReader::Read(data);
+}
+
+base::ListValue* ParseList(const std::string& data) {
+  base::Value* result = ParseJSON(data);
+  base::ListValue* list = NULL;
+  result->GetAsList(&list);
+  return list;
+}
+
+// This helps us be able to wait until an UIThreadExtensionFunction calls
+// SendResponse.
+class SendResponseDelegate
+    : public UIThreadExtensionFunction::DelegateForTests {
+ public:
+  SendResponseDelegate() : should_post_quit_(false) {}
+
+  virtual ~SendResponseDelegate() {}
+
+  void set_should_post_quit(bool should_quit) {
+    should_post_quit_ = should_quit;
+  }
+
+  bool HasResponse() { return response_.get() != NULL; }
+
+  bool GetResponse() {
+    EXPECT_TRUE(HasResponse());
+    return *response_.get();
+  }
+
+  virtual void OnSendResponse(UIThreadExtensionFunction* function,
+                              bool success,
+                              bool bad_message) OVERRIDE {
+    ASSERT_FALSE(bad_message);
+    ASSERT_FALSE(HasResponse());
+    response_.reset(new bool);
+    *response_ = success;
+    if (should_post_quit_) {
+      base::MessageLoopForUI::current()->Quit();
+    }
+  }
+
+ private:
+  scoped_ptr<bool> response_;
+  bool should_post_quit_;
+};
+
+}  // namespace
+
+namespace extensions {
+
+namespace api_test_utils {
+
+base::Value* RunFunctionAndReturnSingleResult(
+    UIThreadExtensionFunction* function,
+    const std::string& args,
+    content::BrowserContext* context,
+    scoped_ptr<extensions::ExtensionFunctionDispatcher> dispatcher) {
+  return RunFunctionAndReturnSingleResult(
+      function, args, context, dispatcher.Pass(), NONE);
+}
+
+base::Value* RunFunctionAndReturnSingleResult(
+    UIThreadExtensionFunction* function,
+    const std::string& args,
+    content::BrowserContext* context,
+    scoped_ptr<extensions::ExtensionFunctionDispatcher> dispatcher,
+    RunFunctionFlags flags) {
+  scoped_refptr<ExtensionFunction> function_owner(function);
+  // Without a callback the function will not generate a result.
+  function->set_has_callback(true);
+  RunFunction(function, args, context, dispatcher.Pass(), flags);
+  EXPECT_TRUE(function->GetError().empty())
+      << "Unexpected error: " << function->GetError();
+  const base::Value* single_result = NULL;
+  if (function->GetResultList() != NULL &&
+      function->GetResultList()->Get(0, &single_result)) {
+    return single_result->DeepCopy();
+  }
+  return NULL;
+}
+
+bool RunFunction(UIThreadExtensionFunction* function,
+                 const std::string& args,
+                 content::BrowserContext* context,
+                 scoped_ptr<extensions::ExtensionFunctionDispatcher> dispatcher,
+                 RunFunctionFlags flags) {
+  SendResponseDelegate response_delegate;
+  function->set_test_delegate(&response_delegate);
+  scoped_ptr<base::ListValue> parsed_args(ParseList(args));
+  EXPECT_TRUE(parsed_args.get())
+      << "Could not parse extension function arguments: " << args;
+  function->SetArgs(parsed_args.get());
+
+  CHECK(dispatcher);
+  function->set_dispatcher(dispatcher->AsWeakPtr());
+
+  function->set_browser_context(context);
+  function->set_include_incognito(flags & INCLUDE_INCOGNITO);
+  function->Run()->Execute();
+
+  // If the RunAsync of |function| didn't already call SendResponse, run the
+  // message loop until they do.
+  if (!response_delegate.HasResponse()) {
+    response_delegate.set_should_post_quit(true);
+    content::RunMessageLoop();
+  }
+
+  EXPECT_TRUE(response_delegate.HasResponse());
+  return response_delegate.GetResponse();
+}
+
+}  // namespace api_test_utils
+}  // namespace extensions