Managed preferences warning banner for the Linux preferences dialog.

BUG=43423
TEST=Unit test in managed_prefs_banner_base_unittest.cc, manual UI tests

Review URL: http://codereview.chromium.org/2425006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49151 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 66 insertions, 0 deletions

diff --git a/chrome/browser/managed_prefs_banner_base_unittest.cc b/chrome/browser/managed_prefs_banner_base_unittest.cc
new file mode 100644
index 0000000..d11bbc1
--- /dev/null
+++ b/chrome/browser/managed_prefs_banner_base_unittest.cc
@@ -0,0 +1,66 @@
+// Copyright (c) 2010 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/dummy_pref_store.h"
+#include "chrome/browser/managed_prefs_banner_base.h"
+#include "chrome/browser/pref_service.h"
+#include "chrome/common/pref_names.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// Tests whether managed preferences banner base functionality correctly
+// determines banner visiblity.
+class ManagedPrefsBannerBaseTest : public testing::Test {
+ public:
+  virtual void SetUp() {
+    managed_prefs_ = new DummyPrefStore;
+    user_prefs_ = new DummyPrefStore;
+    default_prefs_ = new DummyPrefStore;
+    pref_service_.reset(new PrefService(
+        new PrefValueStore(managed_prefs_, user_prefs_, default_prefs_)));
+    pref_service_->RegisterStringPref(prefs::kHomePage, L"http://google.com");
+    pref_service_->RegisterBooleanPref(prefs::kHomePageIsNewTabPage, false);
+  }
+
+  scoped_ptr<PrefService> pref_service_;
+  DummyPrefStore* managed_prefs_;
+  DummyPrefStore* user_prefs_;
+  DummyPrefStore* default_prefs_;
+};
+
+static const wchar_t* managed_prefs[] = {
+  prefs::kHomePage
+};
+
+TEST_F(ManagedPrefsBannerBaseTest, VisibilityTest) {
+  ManagedPrefsBannerBase banner(pref_service_.get(), managed_prefs,
+                                arraysize(managed_prefs));
+  EXPECT_FALSE(banner.DetermineVisibility());
+  managed_prefs_->prefs()->SetBoolean(prefs::kHomePageIsNewTabPage, true);
+  EXPECT_FALSE(banner.DetermineVisibility());
+  user_prefs_->prefs()->SetString(prefs::kHomePage, L"http://foo.com");
+  EXPECT_FALSE(banner.DetermineVisibility());
+  managed_prefs_->prefs()->SetString(prefs::kHomePage, L"http://bar.com");
+  EXPECT_TRUE(banner.DetermineVisibility());
+}
+
+// Mock class that allows to capture the notification callback.
+class ManagedPrefsBannerBaseMock : public ManagedPrefsBannerBase {
+ public:
+  ManagedPrefsBannerBaseMock(PrefService* pref_service,
+                             const wchar_t** relevant_prefs,
+                             size_t count)
+      : ManagedPrefsBannerBase(pref_service, relevant_prefs, count) { }
+
+  MOCK_METHOD0(OnUpdateVisibility, void());
+};
+
+TEST_F(ManagedPrefsBannerBaseTest, NotificationTest) {
+  ManagedPrefsBannerBaseMock banner(pref_service_.get(), managed_prefs,
+                                    arraysize(managed_prefs));
+  EXPECT_CALL(banner, OnUpdateVisibility()).Times(0);
+  pref_service_->SetBoolean(prefs::kHomePageIsNewTabPage, true);
+  EXPECT_CALL(banner, OnUpdateVisibility()).Times(1);
+  pref_service_->SetString(prefs::kHomePage, L"http://foo.com");
+}