// 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 "chrome/browser/extensions/extension_warning_set.h"

#include "chrome/browser/extensions/extension_global_error_badge.h"
#include "chrome/browser/ui/global_error/global_error_service.h"
#include "chrome/browser/ui/global_error/global_error_service_factory.h"
#include "chrome/test/base/testing_profile.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace {

class MockExtensionWarningSet : public ExtensionWarningSet {
 public:
  explicit MockExtensionWarningSet(Profile* profile)
      : ExtensionWarningSet(profile) {
  }
  virtual ~MockExtensionWarningSet() {}

  MOCK_METHOD0(NotifyWarningsChanged, void());
};

bool HasBadge(Profile* profile) {
  GlobalErrorService* service =
      GlobalErrorServiceFactory::GetForProfile(profile);
  return service->GetGlobalErrorByMenuItemCommandID(
      ExtensionGlobalErrorBadge::GetMenuItemCommandID()) != NULL;
}

const char* ext1_id = "extension1";
const char* ext2_id = "extension2";
const ExtensionWarningSet::WarningType warning_1 =
    ExtensionWarningSet::kNetworkDelay;
const ExtensionWarningSet::WarningType warning_2 =
    ExtensionWarningSet::kNetworkConflict;

}  // namespace

// Check that inserting a warning triggers notifications, whereas inserting
// the same warning again is silent.
TEST(ExtensionWarningSetTest, SetWarning) {
  TestingProfile profile;
  MockExtensionWarningSet warnings(&profile);

  // Insert warning for the first time.
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  warnings.SetWarning(warning_1, ext1_id);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_TRUE(HasBadge(&profile));

  // Second insertion of same warning does not trigger anything.
  warnings.SetWarning(warning_1, ext1_id);
  testing::Mock::VerifyAndClearExpectations(&warnings);
}

// Check that ClearWarnings deletes exactly the specified warnings and
// triggers notifications where appropriate.
TEST(ExtensionWarningSetTest, ClearWarnings) {
  TestingProfile profile;
  MockExtensionWarningSet warnings(&profile);

  // Insert two unique warnings.
  EXPECT_CALL(warnings, NotifyWarningsChanged()).Times(2);
  warnings.SetWarning(warning_1, ext1_id);
  warnings.SetWarning(warning_2, ext2_id);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_TRUE(HasBadge(&profile));

  // Remove one warning and check that the badge remains.
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  std::set<ExtensionWarningSet::WarningType> to_clear;
  to_clear.insert(warning_2);
  warnings.ClearWarnings(to_clear);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_TRUE(HasBadge(&profile));

  // Check that the correct warnings appear in |warnings|.
  std::set<ExtensionWarningSet::WarningType> existing_warnings;
  warnings.GetWarningsAffectingExtension(ext1_id, &existing_warnings);
  EXPECT_EQ(1u, existing_warnings.size());
  warnings.GetWarningsAffectingExtension(ext2_id, &existing_warnings);
  EXPECT_EQ(0u, existing_warnings.size());

  // Remove the other one warning and check that badge disappears.
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  to_clear.insert(warning_1);
  warnings.ClearWarnings(to_clear);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_FALSE(HasBadge(&profile));

  // Check that not warnings remain.
  warnings.GetWarningsAffectingExtension(ext1_id, &existing_warnings);
  EXPECT_EQ(0u, existing_warnings.size());
  warnings.GetWarningsAffectingExtension(ext2_id, &existing_warnings);
  EXPECT_EQ(0u, existing_warnings.size());
}

// Check that no badge appears if it has been suppressed for a specific
// warning.
TEST(ExtensionWarningSetTest, SuppressBadgeForCurrentWarnings) {
  TestingProfile profile;
  MockExtensionWarningSet warnings(&profile);

  // Insert first warning.
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  warnings.SetWarning(warning_1, ext1_id);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_TRUE(HasBadge(&profile));

  // Suppress first warning.
  warnings.SuppressBadgeForCurrentWarnings();
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_FALSE(HasBadge(&profile));

  // Simulate deinstallation of extension.
  std::set<ExtensionWarningSet::WarningType> to_clear;
  warnings.GetWarningsAffectingExtension(ext1_id, &to_clear);
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  warnings.ClearWarnings(to_clear);
  testing::Mock::VerifyAndClearExpectations(&warnings);

  // Set first warning again and verify that not badge is shown this time.
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  warnings.SetWarning(warning_1, ext1_id);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_FALSE(HasBadge(&profile));

  // Set second warning and verify that it shows a badge.
  EXPECT_CALL(warnings, NotifyWarningsChanged());
  warnings.SetWarning(warning_2, ext2_id);
  testing::Mock::VerifyAndClearExpectations(&warnings);
  EXPECT_TRUE(HasBadge(&profile));
}