Convert printing ui_tests to browser_tests.

chrome/browser/printing/printing_layout_uitest.cc

Index: chrome/browser/printing/printing_layout_uitest.cc
===================================================================
--- chrome/browser/printing/printing_layout_uitest.cc	(revision 131326)
+++ chrome/browser/printing/printing_layout_uitest.cc	(working copy)
@@ -1,433 +0,0 @@
-// Copyright (c) 2012 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 "base/command_line.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/process_util.h"
-#include "base/string_util.h"
-#include "base/test/test_file_util.h"
-#include "base/threading/simple_thread.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/test/automation/tab_proxy.h"
-#include "chrome/test/ui/ui_test.h"
-#include "net/test/test_server.h"
-#include "printing/image.h"
-#include "printing/printing_test.h"
-
-namespace {
-
-using printing::Image;
-
-const char kGenerateSwitch[] = "print-layout-generate";
-const FilePath::CharType kDocRoot[] = FILE_PATH_LITERAL("chrome/test/data");
-
-class PrintingLayoutTest : public PrintingTest<UITest> {
- public:
-  PrintingLayoutTest() {
-    emf_path_ = browser_directory_.AppendASCII("metafile_dumps");
-    launch_arguments_.AppendSwitchPath("debug-print", emf_path_);
-    show_window_ = true;
-  }
-
-  virtual void SetUp() {
-    // Make sure there is no left overs.
-    CleanupDumpDirectory();
-    UITest::SetUp();
-  }
-
-  virtual void TearDown() {
-    UITest::TearDown();
-    file_util::Delete(emf_path_, true);
-  }
-
- protected:
-  void PrintNowTab() {
-    scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
-    ASSERT_TRUE(tab_proxy.get());
-    ASSERT_TRUE(tab_proxy->PrintNow());
-  }
-
-  // Finds the dump for the last print job and compares it to the data named
-  // |verification_name|. Compares the saved printed job pixels with the test
-  // data pixels and returns the percentage of different pixels; 0 for success,
-  // [0, 100] for failure.
-  double CompareWithResult(const std::wstring& verification_name) {
-    FilePath test_result(ScanFiles(verification_name));
-    if (test_result.value().empty()) {
-      // 100% different, the print job buffer is not there.
-      return 100.;
-    }
-
-    FilePath base_path(test_data_directory_.AppendASCII("printing"));
-    FilePath emf(base_path.Append(verification_name + L".emf"));
-    FilePath png(base_path.Append(verification_name + L".png"));
-
-    FilePath cleartype(base_path.Append(verification_name + L"_cleartype.png"));
-    // Looks for Cleartype override.
-    if (file_util::PathExists(cleartype) && IsClearTypeEnabled())
-      png = cleartype;
-
-    if (GenerateFiles()) {
-      // Copy the .emf and generate an .png.
-      file_util::CopyFile(test_result, emf);
-      Image emf_content(emf);
-      emf_content.SaveToPng(png);
-      // Saving is always fine.
-      return 0;
-    } else {
-      // File compare between test and result.
-      Image emf_content(emf);
-      Image test_content(test_result);
-      Image png_content(png);
-      double diff_emf = emf_content.PercentageDifferent(test_content);
-
-      EXPECT_EQ(0., diff_emf) << WideToUTF8(verification_name) <<
-          " original size:" << emf_content.size().ToString() <<
-          " result size:" << test_content.size().ToString();
-      if (diff_emf) {
-        // Backup the result emf file.
-        FilePath failed(base_path.Append(verification_name + L"_failed.emf"));
-        file_util::CopyFile(test_result, failed);
-      }
-
-      // This verification is only to know that the EMF rendering stays
-      // immutable.
-      double diff_png = emf_content.PercentageDifferent(png_content);
-      EXPECT_EQ(0., diff_png) << WideToUTF8(verification_name) <<
-          " original size:" << emf_content.size().ToString() <<
-          " result size:" << test_content.size().ToString();
-      if (diff_png) {
-        // Backup the rendered emf file to detect the rendering difference.
-        FilePath rendering(
-            base_path.Append(verification_name + L"_rendering.png"));
-        emf_content.SaveToPng(rendering);
-      }
-      return std::max(diff_png, diff_emf);
-    }
-  }
-
-  // Makes sure the directory exists and is empty.
-  void CleanupDumpDirectory() {
-    EXPECT_TRUE(file_util::DieFileDie(emf_path(), true));
-    EXPECT_TRUE(file_util::CreateDirectory(emf_path()));
-  }
-
-  // Returns if Clear Type is currently enabled.
-  static bool IsClearTypeEnabled() {
-    BOOL ct_enabled = 0;
-    if (SystemParametersInfo(SPI_GETCLEARTYPE, 0, &ct_enabled, 0) && ct_enabled)
-      return true;
-    UINT smoothing = 0;
-    if (SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, &smoothing, 0) &&
-        smoothing == FE_FONTSMOOTHINGCLEARTYPE)
-      return true;
-    return false;
-  }
-
- private:
-  // Verifies that there is one .emf and one .prn file in the dump directory.
-  // Returns the path of the .emf file and deletes the .prn file.
-  std::wstring ScanFiles(const std::wstring& verification_name) {
-    // Try to 10 seconds.
-    std::wstring emf_file;
-    std::wstring prn_file;
-    bool found_emf = false;
-    bool found_prn = false;
-    for (int i = 0; i < 100; ++i) {
-      file_util::FileEnumerator enumerator(emf_path(), false,
-          file_util::FileEnumerator::FILES);
-      emf_file.clear();
-      prn_file.clear();
-      found_emf = false;
-      found_prn = false;
-      FilePath file;
-      while (!(file = enumerator.Next()).empty()) {
-        std::wstring ext = file.Extension();
-        if (base::strcasecmp(WideToUTF8(ext).c_str(), ".emf") == 0) {
-          EXPECT_FALSE(found_emf) << "Found a leftover .EMF file: \"" <<
-              emf_file << "\" and \"" << file.value() <<
-              "\" when looking for \"" << verification_name << "\"";
-          found_emf = true;
-          emf_file = file.value();
-          continue;
-        }
-        if (base::strcasecmp(WideToUTF8(ext).c_str(), ".prn") == 0) {
-          EXPECT_FALSE(found_prn) << "Found a leftover .PRN file: \"" <<
-              prn_file << "\" and \"" << file.value() <<
-              "\" when looking for \"" << verification_name << "\"";
-          prn_file = file.value();
-          found_prn = true;
-          file_util::Delete(file, false);
-          continue;
-        }
-        EXPECT_TRUE(false);
-      }
-      if (found_emf && found_prn)
-        break;
-      base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(100));
-    }
-    EXPECT_TRUE(found_emf) << ".PRN file is: " << prn_file;
-    EXPECT_TRUE(found_prn) << ".EMF file is: " << emf_file;
-    return emf_file;
-  }
-
-  static bool GenerateFiles() {
-    return CommandLine::ForCurrentProcess()->HasSwitch(kGenerateSwitch);
-  }
-
-  const FilePath& emf_path() const { return emf_path_; }
-
-  FilePath emf_path_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrintingLayoutTest);
-};
-
-// Tests that don't need UI access.
-class PrintingLayoutTestHidden : public PrintingLayoutTest {
- public:
-  PrintingLayoutTestHidden() {
-    show_window_ = false;
-  }
-};
-
-class PrintingLayoutTextTest : public PrintingLayoutTest {
-  typedef PrintingLayoutTest Parent;
- public:
-  // Returns if the test is disabled.
-  // http://crbug.com/64869 Until the issue is fixed, disable the test if
-  // ClearType is enabled.
-  static bool IsTestCaseDisabled() {
-    return Parent::IsTestCaseDisabled() || IsClearTypeEnabled();
-  }
-};
-
-// Finds the first dialog window owned by owner_process.
-HWND FindDialogWindow(DWORD owner_process) {
-  HWND dialog_window(NULL);
-  for (;;) {
-    dialog_window = FindWindowEx(NULL,
-                                 dialog_window,
-                                 MAKEINTATOM(32770),
-                                 NULL);
-    if (!dialog_window)
-      break;
-
-    // The dialog must be owned by our target process.
-    DWORD process_id = 0;
-    GetWindowThreadProcessId(dialog_window, &process_id);
-    if (process_id == owner_process)
-      break;
-  }
-  return dialog_window;
-}
-
-// Tries to close a dialog window.
-bool CloseDialogWindow(HWND dialog_window) {
-  LRESULT res = SendMessage(dialog_window, DM_GETDEFID, 0, 0);
-  if (!res)
-    return false;
-  EXPECT_EQ(DC_HASDEFID, HIWORD(res));
-  WORD print_button_id = LOWORD(res);
-  res = SendMessage(
-      dialog_window,
-      WM_COMMAND,
-      print_button_id,
-      reinterpret_cast<LPARAM>(GetDlgItem(dialog_window, print_button_id)));
-  return res == 0;
-}
-
-// Dismiss the first dialog box owned by owner_process by "executing" the
-// default button.
-class DismissTheWindow : public base::DelegateSimpleThread::Delegate {
- public:
-  explicit DismissTheWindow(DWORD owner_process)
-      : owner_process_(owner_process) {
-  }
-
-  virtual void Run() {
-    HWND dialog_window;
-    for (;;) {
-      // First enumerate the windows.
-      dialog_window = FindDialogWindow(owner_process_);
-
-      // Try to close it.
-      if (dialog_window) {
-        if (CloseDialogWindow(dialog_window)) {
-          break;
-        }
-      }
-      base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(10));
-    }
-
-    // Now verify that it indeed closed itself.
-    while (IsWindow(dialog_window)) {
-      CloseDialogWindow(dialog_window);
-      base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(10));
-    }
-  }
-
-  DWORD owner_process() { return owner_process_; }
-
- private:
-  DWORD owner_process_;
-};
-
-}  // namespace
-
-// Fails, see http://crbug.com/7721.
-TEST_F(PrintingLayoutTextTest, DISABLED_Complex) {
-  if (IsTestCaseDisabled())
-    return;
-
-  DismissTheWindow dismisser(base::GetProcId(process()));
-  base::DelegateSimpleThread close_printdlg_thread(&dismisser,
-                                                   "close_printdlg_thread");
-
-  // Print a document, check its output.
-  net::TestServer test_server(net::TestServer::TYPE_HTTP,
-                              net::TestServer::kLocalhost,
-                              FilePath(kDocRoot));
-  ASSERT_TRUE(test_server.Start());
-
-  NavigateToURL(test_server.GetURL("files/printing/test1.html"));
-  close_printdlg_thread.Start();
-  PrintNowTab();
-  close_printdlg_thread.Join();
-  EXPECT_EQ(0., CompareWithResult(L"test1"));
-}
-
-struct TestPool {
-  const char* source;
-  const wchar_t* result;
-};
-
-const TestPool kTestPool[] = {
-  // ImagesB&W
-  "files/printing/test2.html", L"test2",
-  // ImagesTransparent
-  "files/printing/test3.html", L"test3",
-  // ImageColor
-  "files/printing/test4.html", L"test4",
-};
-
-// http://crbug.com/7721
-TEST_F(PrintingLayoutTestHidden, DISABLED_ManyTimes) {
-  if (IsTestCaseDisabled())
-    return;
-
-  net::TestServer test_server(net::TestServer::TYPE_HTTP,
-                              net::TestServer::kLocalhost,
-                              FilePath(kDocRoot));
-  ASSERT_TRUE(test_server.Start());
-
-  DismissTheWindow dismisser(base::GetProcId(process()));
-
-  ASSERT_GT(arraysize(kTestPool), 0u);
-  for (int i = 0; i < arraysize(kTestPool); ++i) {
-    if (i)
-      CleanupDumpDirectory();
-    const TestPool& test = kTestPool[i % arraysize(kTestPool)];
-    NavigateToURL(test_server.GetURL(test.source));
-    base::DelegateSimpleThread close_printdlg_thread1(&dismisser,
-                                                      "close_printdlg_thread");
-    EXPECT_EQ(NULL, FindDialogWindow(dismisser.owner_process()));
-    close_printdlg_thread1.Start();
-    PrintNowTab();
-    close_printdlg_thread1.Join();
-    EXPECT_EQ(0., CompareWithResult(test.result)) << test.result;
-    CleanupDumpDirectory();
-    base::DelegateSimpleThread close_printdlg_thread2(&dismisser,
-                                                      "close_printdlg_thread");
-    EXPECT_EQ(NULL, FindDialogWindow(dismisser.owner_process()));
-    close_printdlg_thread2.Start();
-    PrintNowTab();
-    close_printdlg_thread2.Join();
-    EXPECT_EQ(0., CompareWithResult(test.result)) << test.result;
-    CleanupDumpDirectory();
-    base::DelegateSimpleThread close_printdlg_thread3(&dismisser,
-                                                      "close_printdlg_thread");
-    EXPECT_EQ(NULL, FindDialogWindow(dismisser.owner_process()));
-    close_printdlg_thread3.Start();
-    PrintNowTab();
-    close_printdlg_thread3.Join();
-    EXPECT_EQ(0., CompareWithResult(test.result)) << test.result;
-    CleanupDumpDirectory();
-    base::DelegateSimpleThread close_printdlg_thread4(&dismisser,
-                                                      "close_printdlg_thread");
-    EXPECT_EQ(NULL, FindDialogWindow(dismisser.owner_process()));
-    close_printdlg_thread4.Start();
-    PrintNowTab();
-    close_printdlg_thread4.Join();
-    EXPECT_EQ(0., CompareWithResult(test.result)) << test.result;
-  }
-}
-
-// Prints a popup and immediately closes it. Disabled because it crashes.
-TEST_F(PrintingLayoutTest, DISABLED_Delayed) {
-  if (IsTestCaseDisabled())
-    return;
-
-  net::TestServer test_server(net::TestServer::TYPE_HTTP,
-                              net::TestServer::kLocalhost,
-                              FilePath(kDocRoot));
-  ASSERT_TRUE(test_server.Start());
-
-  {
-    scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
-    ASSERT_TRUE(tab_proxy.get());
-    bool is_timeout = true;
-    GURL url = test_server.GetURL("files/printing/popup_delayed_print.htm");
-    EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
-              tab_proxy->NavigateToURL(url));
-
-    DismissTheWindow dismisser(base::GetProcId(process()));
-    base::DelegateSimpleThread close_printdlg_thread(&dismisser,
-                                                     "close_printdlg_thread");
-    close_printdlg_thread.Start();
-    close_printdlg_thread.Join();
-
-    // Force a navigation elsewhere to verify that it's fine with it.
-    url = test_server.GetURL("files/printing/test1.html");
-    EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
-              tab_proxy->NavigateToURL(url));
-  }
-  CloseBrowserAndServer();
-
-  EXPECT_EQ(0., CompareWithResult(L"popup_delayed_print"))
-      << L"popup_delayed_print";
-}
-
-// Prints a popup and immediately closes it. http://crbug.com/7721
-TEST_F(PrintingLayoutTest, DISABLED_IFrame) {
-  if (IsTestCaseDisabled())
-    return;
-
-  net::TestServer test_server(net::TestServer::TYPE_HTTP,
-                              net::TestServer::kLocalhost,
-                              FilePath(kDocRoot));
-  ASSERT_TRUE(test_server.Start());
-
-  {
-    scoped_refptr<TabProxy> tab_proxy(GetActiveTab());
-    ASSERT_TRUE(tab_proxy.get());
-    GURL url = test_server.GetURL("files/printing/iframe.htm");
-    EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
-              tab_proxy->NavigateToURL(url));
-
-    DismissTheWindow dismisser(base::GetProcId(process()));
-    base::DelegateSimpleThread close_printdlg_thread(&dismisser,
-                                                     "close_printdlg_thread");
-    close_printdlg_thread.Start();
-    close_printdlg_thread.Join();
-
-    // Force a navigation elsewhere to verify that it's fine with it.
-    url = test_server.GetURL("files/printing/test1.html");
-    EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
-              tab_proxy->NavigateToURL(url));
-  }
-  CloseBrowserAndServer();
-
-  EXPECT_EQ(0., CompareWithResult(L"iframe")) << L"iframe";
-}