Refactoring and tests for the highly undertested file_util::CreateOrUpdateShortcutLink() method.

chrome/installer/util/shell_util_unittest.cc

 // 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 <shlobj.h>
 
 #include <fstream>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/md5.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string16.h"
 #include "base/string_util.h"
+#include "base/test/test_file_util.h"
 #include "base/win/windows_version.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/master_preferences.h"
 #include "chrome/installer/util/shell_util.h"
 #include "chrome/installer/util/util_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 class ShellUtilTestWithDirAndDist : public testing::Test {
  protected:
   virtual void SetUp() {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     dist_ = BrowserDistribution::GetDistribution();
     ASSERT_TRUE(dist_ != NULL);
   }
 
   BrowserDistribution* dist_;
 
   ScopedTempDir temp_dir_;
 };
 
+// Returns the status of a call to file_util::VerifyShorcut for the properties
+// passed in.
+// TODO(gab): This is only temporary while waiting for my upcoming CL that will
+// massively refactor the shell_util shortcut methods' interface (i.e. I didn't
+// want to adapt every test here for this half-changed state as they will change
+// again very soon).
+file_util::VerifyShortcutStatus VerifyChromeShortcut(
+    const string16& exe_path,
+    const string16& shortcut_path,
+    const string16& description,
+    int icon_index) {
+  file_util::ShortcutProperties expected_properties;
+  expected_properties.set_target(exe_path);
+  expected_properties.set_description(description);
+  expected_properties.set_icon(exe_path, icon_index);
+  return file_util::VerifyShortcut(shortcut_path, expected_properties);
+}
+
 }
 
 // Test that we can open archives successfully.
 TEST_F(ShellUtilTestWithDirAndDist, UpdateChromeShortcutTest) {
   // Create an executable in test path by copying ourself to it.
   wchar_t exe_full_path_str[MAX_PATH];
   EXPECT_FALSE(::GetModuleFileName(NULL, exe_full_path_str, MAX_PATH) == 0);
   FilePath exe_full_path(exe_full_path_str);
 
   FilePath exe_path = temp_dir_.path().AppendASCII("setup.exe");
   EXPECT_TRUE(file_util::CopyFile(exe_full_path, exe_path));
 
   FilePath shortcut_path = temp_dir_.path().AppendASCII("shortcut.lnk");
   const string16 description(L"dummy description");
   EXPECT_TRUE(ShellUtil::UpdateChromeShortcut(
       dist_,
       exe_path.value(),
       shortcut_path.value(),
-      L"",
+      string16(),
       description,
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), shortcut_path.value(), description, 0));
 
   // Now specify an icon index in master prefs and make sure it works.
   FilePath prefs_path = temp_dir_.path().AppendASCII(
       installer::kDefaultMasterPrefs);
   std::ofstream file;
   file.open(prefs_path.value().c_str());
   ASSERT_TRUE(file.is_open());
   file <<
 "{"
 " \"distribution\":{"
 "   \"chrome_shortcut_icon_index\" : 1"
 " }"
 "}";
   file.close();
   ASSERT_TRUE(file_util::Delete(shortcut_path, false));
   EXPECT_TRUE(ShellUtil::UpdateChromeShortcut(
       dist_,
       exe_path.value(),
       shortcut_path.value(),
-      L"",
+      string16(),
       description,
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), shortcut_path.value(), description, 1));
 
   // Now change only description to update shortcut and make sure icon index
   // doesn't change.
   const string16 description2(L"dummy description 2");
   EXPECT_TRUE(ShellUtil::UpdateChromeShortcut(dist_,
                                               exe_path.value(),
                                               shortcut_path.value(),
-                                              L"",
+                                              string16(),
                                               description2,
                                               exe_path.value(),
                                               dist_->GetIconIndex(),
                                               ShellUtil::SHORTCUT_NO_OPTIONS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), shortcut_path.value(), description2, 1));
 }
 
 TEST_F(ShellUtilTestWithDirAndDist, CreateChromeDesktopShortcutTest) {
   // Run this test on Vista+ only if we are running elevated.
   if (base::win::GetVersion() > base::win::VERSION_XP && !IsUserAnAdmin()) {
     LOG(ERROR) << "Must be admin to run this test on Vista+";
     return;
   }
 
   // Create an executable in test path by copying ourself to it.
   wchar_t exe_full_path_str[MAX_PATH];
   EXPECT_FALSE(::GetModuleFileName(NULL, exe_full_path_str, MAX_PATH) == 0);
   FilePath exe_full_path(exe_full_path_str);
 
   FilePath exe_path = temp_dir_.path().AppendASCII("setup.exe");
   EXPECT_TRUE(file_util::CopyFile(exe_full_path, exe_path));
 
   const string16 description(L"dummy description");
 
   FilePath user_desktop_path;
   EXPECT_TRUE(ShellUtil::GetDesktopPath(false, &user_desktop_path));
   FilePath system_desktop_path;
   EXPECT_TRUE(ShellUtil::GetDesktopPath(true, &system_desktop_path));
 
   string16 shortcut_name;
-  EXPECT_TRUE(ShellUtil::GetChromeShortcutName(dist_, false, L"",
+  EXPECT_TRUE(ShellUtil::GetChromeShortcutName(dist_, false, string16(),
                                                &shortcut_name));
 
   string16 default_profile_shortcut_name;
   const string16 default_profile_user_name = L"Minsk";
   EXPECT_TRUE(ShellUtil::GetChromeShortcutName(dist_, false,
                                                default_profile_user_name,
                                                &default_profile_shortcut_name));
 
   string16 second_profile_shortcut_name;
   const string16 second_profile_user_name = L"Pinsk";
   EXPECT_TRUE(ShellUtil::GetChromeShortcutName(dist_, false,
                                                second_profile_user_name,
                                                &second_profile_shortcut_name));
 
   FilePath user_shortcut_path = user_desktop_path.Append(shortcut_name);
   FilePath system_shortcut_path = system_desktop_path.Append(shortcut_name);
   FilePath default_profile_shortcut_path = user_desktop_path.Append(
       default_profile_shortcut_name);
   FilePath second_profile_shortcut_path = user_desktop_path.Append(
       second_profile_shortcut_name);
 
   // Test simple creation of a user-level shortcut.
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
-      L"",
-      L"",
+      string16(),
+      string16(),
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), user_shortcut_path.value(), description, 0));
   EXPECT_TRUE(ShellUtil::RemoveChromeDesktopShortcut(
       dist_,
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_NO_OPTIONS));
 
   // Test simple creation of a system-level shortcut.
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
-      L"",
-      L"",
+      string16(),
+      string16(),
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::SYSTEM_LEVEL,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), system_shortcut_path.value(), description,
                 0));
   EXPECT_TRUE(ShellUtil::RemoveChromeDesktopShortcut(
       dist_,
       ShellUtil::SYSTEM_LEVEL,
       ShellUtil::SHORTCUT_NO_OPTIONS));
 
   // Test creation of a user-level shortcut when a system-level shortcut
   // is already present (should fail).
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
-      L"",
-      L"",
+      string16(),
+      string16(),
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::SYSTEM_LEVEL,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
   EXPECT_FALSE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
-      L"",
-      L"",
+      string16(),
+      string16(),
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), system_shortcut_path.value(), description,
                 0));
   EXPECT_FALSE(file_util::PathExists(user_shortcut_path));
   EXPECT_TRUE(ShellUtil::RemoveChromeDesktopShortcut(
       dist_,
       ShellUtil::SYSTEM_LEVEL,
       ShellUtil::SHORTCUT_NO_OPTIONS));
 
   // Test creation of a system-level shortcut when a user-level shortcut
   // is already present (should succeed).
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
-      L"",
-      L"",
+      string16(),
+      string16(),
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
-      L"",
-      L"",
+      string16(),
+      string16(),
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::SYSTEM_LEVEL,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), user_shortcut_path.value(), description, 0));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), system_shortcut_path.value(), description,
                 0));
   EXPECT_TRUE(ShellUtil::RemoveChromeDesktopShortcut(
       dist_,
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_NO_OPTIONS));
   EXPECT_TRUE(ShellUtil::RemoveChromeDesktopShortcut(
       dist_,
       ShellUtil::SYSTEM_LEVEL,
       ShellUtil::SHORTCUT_NO_OPTIONS));
 
   // Test creation of two profile-specific shortcuts (these are always
   // user-level).
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
       default_profile_user_name,
       L"--profile-directory=\"Default\"",
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), default_profile_shortcut_path.value(),
                 description, 0));
   EXPECT_TRUE(ShellUtil::CreateChromeDesktopShortcut(
       dist_,
       exe_path.value(),
       description,
       second_profile_user_name,
       L"--profile-directory=\"Profile 1\"",
       exe_path.value(),
       dist_->GetIconIndex(),
       ShellUtil::CURRENT_USER,
       ShellUtil::SHORTCUT_CREATE_ALWAYS));
-  EXPECT_EQ(ShellUtil::VERIFY_SHORTCUT_SUCCESS,
-            ShellUtil::VerifyChromeShortcut(
+  EXPECT_EQ(file_util::VERIFY_SHORTCUT_SUCCESS,
+            VerifyChromeShortcut(
                 exe_path.value(), second_profile_shortcut_path.value(),
                 description, 0));
   std::vector<string16> profile_names;
   profile_names.push_back(default_profile_shortcut_name);
   profile_names.push_back(second_profile_shortcut_name);
   EXPECT_TRUE(ShellUtil::RemoveChromeDesktopShortcutsWithAppendedNames(
       profile_names));
 }
 
 TEST_F(ShellUtilTestWithDirAndDist, BuildAppModelIdBasic) {
@@ skipping 65 matching lines @@
 
   const string16 expected[] = { L"", L"MY", L"MZXQ", L"MZXW6", L"MZXW6YQ",
                                 L"MZXW6YTB", L"MZXW6YTBOI"};
 
   // Run the tests, with one more letter in the input every pass.
   for (int i = 0; i < arraysize(expected); ++i) {
     ASSERT_EQ(expected[i],
               ShellUtil::ByteArrayToBase32(test_array, i));
   }
 }