// Copyright (c) 2011 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 "chrome/browser/dom_ui/dom_ui_browsertest.h"

#include "base/path_service.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/ui_test_utils.h"

static const FilePath::CharType* kDOMUILibraryJS =
    FILE_PATH_LITERAL("test_api.js");
static const FilePath::CharType* kDOMUITestFolder =
    FILE_PATH_LITERAL("dom_ui");

bool DOMUITest::RunDOMUITest(const FilePath::CharType* src_path) {
  std::string content;
  BuildJavaScriptTest(FilePath(src_path), &content);
  handler_->Attach(
      browser()->GetSelectedTabContents()->dom_ui());
  return handler_->Execute(content);
}

DOMUITest::DOMUITest() : handler_(new DOMUITestHandler()) {}

void DOMUITest::SetUpInProcessBrowserTestFixture() {
  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory_));
  test_data_directory_ = test_data_directory_.Append(kDOMUITestFolder);
}

void DOMUITest::BuildJavaScriptTest(const FilePath& src_path,
                                    std::string* content) {
  ASSERT_TRUE(content != NULL);
  std::string library_content, src_content;
  ASSERT_TRUE(file_util::ReadFileToString(
      test_data_directory_.Append(FilePath(kDOMUILibraryJS)),
          &library_content));
  ASSERT_TRUE(file_util::ReadFileToString(
      test_data_directory_.Append(src_path), &src_content));

  content->append(library_content);
  content->append(";\n");
  content->append(src_content);
}

IN_PROC_BROWSER_TEST_F(DOMUITest, TestSamplePass) {
  // Navigate to UI.
  // TODO(dtseng): make accessor for subclasses to return?
  ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUIDownloadsURL));

  ASSERT_TRUE(RunDOMUITest(FILE_PATH_LITERAL("sample_downloads.js")));
}