[protector] Added SessionStartupChange for representing changes in SessionStartupPref.

chrome/browser/protector/session_startup_change_unittest.cc

Index: chrome/browser/protector/session_startup_change_unittest.cc
diff --git a/chrome/browser/protector/session_startup_change_unittest.cc b/chrome/browser/protector/session_startup_change_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..083d1c64bc7bcf2d5bc84264529fc5a085982d4b
--- /dev/null
+++ b/chrome/browser/protector/session_startup_change_unittest.cc
@@ -0,0 +1,131 @@
+// 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/memory/scoped_ptr.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/prefs/session_startup_pref.h"
+#include "chrome/browser/protector/base_setting_change.h"
+#include "chrome/test/base/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace protector {
+
+namespace {
+
+const char kStartupUrl1[] = "http://google.com";
+const char kStartupUrl2[] = "http://example.com";
+
+}  // namespace
+
+class SessionStartupChangeTest : public testing::Test {
+ public:
+  SessionStartupChangeTest()
+      : initial_startup_pref_(SessionStartupPref::DEFAULT) {
+  }
+
+  virtual void SetUp() OVERRIDE {
+    // Ensure initial session startup pref.
+    SessionStartupPref::SetStartupPref(&profile_, initial_startup_pref_);
+  }
+
+ protected:
+  TestingProfile profile_;
+  SessionStartupPref initial_startup_pref_;
+};
+
+TEST_F(SessionStartupChangeTest, InitAndApply) {
+  // Create a change and apply it.
+  SessionStartupPref backup_startup_pref(SessionStartupPref::LAST);
+  scoped_ptr<BaseSettingChange> change(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  // Setting is initially reverted to backup.
+  EXPECT_EQ(SessionStartupPref::LAST,
+            SessionStartupPref::GetStartupPref(&profile_).type);
+  change->Apply(NULL);  // |browser| is unused.
+  // New setting active now.
+  EXPECT_EQ(SessionStartupPref::DEFAULT,
+            SessionStartupPref::GetStartupPref(&profile_).type);
+}
+
+TEST_F(SessionStartupChangeTest, InitAndDiscard) {
+  // Create a change and discard it.
+  SessionStartupPref backup_startup_pref(SessionStartupPref::LAST);
+  scoped_ptr<BaseSettingChange> change(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  // Setting is initially reverted to backup.
+  EXPECT_EQ(SessionStartupPref::LAST,
+            SessionStartupPref::GetStartupPref(&profile_).type);
+  change->Discard(NULL);  // |browser| is unused.
+  // Nothing changed by Discard.
+  EXPECT_EQ(SessionStartupPref::LAST,
+            SessionStartupPref::GetStartupPref(&profile_).type);
+}
+
+TEST_F(SessionStartupChangeTest, ApplyButtonCaptions) {
+  // Apply button captions for "Open NTP" and "Open specific URLs" cases.
+  string16 open_ntp_caption =
+      l10n_util::GetStringUTF16(IDS_CHANGE_STARTUP_SETTINGS_NTP);
+  string16 open_url1_etc_caption =
+      l10n_util::GetStringFUTF16(IDS_CHANGE_STARTUP_SETTINGS_URLS,
+                                 UTF8ToUTF16(GURL(kStartupUrl1).host()));
+
+  // "Open URLs" with no URLs is the same as "Open NTP".
+  initial_startup_pref_.type = SessionStartupPref::URLS;
+  SessionStartupPref backup_startup_pref(SessionStartupPref::DEFAULT);
+  scoped_ptr<BaseSettingChange> change(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  EXPECT_EQ(open_ntp_caption, change->GetApplyButtonText());
+
+  // Single URL.
+  initial_startup_pref_.urls.push_back(GURL(kStartupUrl1));
+  change.reset(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  EXPECT_EQ(open_url1_etc_caption, change->GetApplyButtonText());
+
+  // Multiple URLs: name of the first one used.
+  initial_startup_pref_.urls.push_back(GURL(kStartupUrl2));
+  change.reset(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  EXPECT_EQ(open_url1_etc_caption, change->GetApplyButtonText());
+}
+
+TEST_F(SessionStartupChangeTest, DiscardButtonCaptions) {
+  // Discard button captions for "Open NTP" and "Open specific URLs" cases.
+  string16 open_ntp_caption =
+      l10n_util::GetStringUTF16(IDS_KEEP_STARTUP_SETTINGS_NTP);
+  string16 open_url1_etc_caption =
+      l10n_util::GetStringFUTF16(IDS_KEEP_STARTUP_SETTINGS_URLS,
+                                 UTF8ToUTF16(GURL(kStartupUrl1).host()));
+
+  // "Open URLs" with no URLs is the same as "Open NTP".
+  SessionStartupPref backup_startup_pref(SessionStartupPref::URLS);
+  scoped_ptr<BaseSettingChange> change(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  EXPECT_EQ(open_ntp_caption, change->GetDiscardButtonText());
+
+  // Single URL.
+  backup_startup_pref.urls.push_back(GURL(kStartupUrl1));
+  change.reset(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  EXPECT_EQ(open_url1_etc_caption, change->GetDiscardButtonText());
+
+  // Multiple URLs: name of the first one used.
+  backup_startup_pref.urls.push_back(GURL(kStartupUrl2));
+  change.reset(
+      CreateSessionStartupChange(initial_startup_pref_, backup_startup_pref));
+  ASSERT_TRUE(change->Init(&profile_));
+  EXPECT_EQ(open_url1_etc_caption, change->GetDiscardButtonText());
+}
+
+}  // namespace protector