| // Copyright 2016 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 "components/previews/core/previews_black_list_item.h" |
| |
| #include <memory> |
| |
| #include "base/optional.h" |
| #include "base/time/time.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| using PreviewsBlackListItemTest = testing::Test; |
| |
| } // namespace |
| |
| namespace previews { |
| |
| TEST_F(PreviewsBlackListItemTest, BlackListState) { |
| const int history = 4; |
| const int threshold = 2; |
| const base::TimeDelta max_blacklist_duration = |
| base::TimeDelta::FromSeconds(30); |
| const base::Time now = base::Time::UnixEpoch(); |
| const base::TimeDelta delay_between_entries = base::TimeDelta::FromSeconds(1); |
| const base::Time later = |
| now + max_blacklist_duration + (delay_between_entries * 3); |
| |
| PreviewsBlackListItem black_list_item(history, threshold, |
| max_blacklist_duration); |
| |
| // Empty black list item should report that the host is allowed. |
| EXPECT_FALSE(black_list_item.IsBlackListed(now)); |
| EXPECT_FALSE(black_list_item.IsBlackListed(later)); |
| |
| EXPECT_FALSE(black_list_item.most_recent_opt_out_time()); |
| black_list_item.AddPreviewNavigation(false, now); |
| EXPECT_FALSE(black_list_item.most_recent_opt_out_time()); |
| |
| black_list_item.AddPreviewNavigation(true, now); |
| EXPECT_TRUE(black_list_item.most_recent_opt_out_time()); |
| EXPECT_EQ(now, black_list_item.most_recent_opt_out_time().value()); |
| // Black list item of size less that |threshold| should report that the host |
| // is allowed. |
| EXPECT_FALSE(black_list_item.IsBlackListed(now)); |
| EXPECT_FALSE(black_list_item.IsBlackListed(later)); |
| |
| black_list_item.AddPreviewNavigation(true, now + delay_between_entries); |
| // Black list item with |threshold| fresh entries should report the host as |
| // disallowed. |
| EXPECT_TRUE(black_list_item.IsBlackListed(now)); |
| // Black list item with only entries from longer than |duration| ago should |
| // report the host is allowed. |
| EXPECT_FALSE(black_list_item.IsBlackListed(later)); |
| black_list_item.AddPreviewNavigation(true, |
| later - (delay_between_entries * 2)); |
| // Black list item with a fresh opt out and total number of opt outs larger |
| // than |threshold| should report the host is disallowed. |
| EXPECT_TRUE(black_list_item.IsBlackListed(later)); |
| |
| // The black list item should maintain entries based on time, so adding |
| // |history| entries should not push out newer entries. |
| black_list_item.AddPreviewNavigation(true, later - delay_between_entries * 2); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 3); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 3); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 3); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 3); |
| EXPECT_TRUE(black_list_item.IsBlackListed(later)); |
| |
| // The black list item should maintain entries based on time, so adding |
| // |history| newer entries should push out older entries. |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 1); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 1); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 1); |
| black_list_item.AddPreviewNavigation(false, |
| later - delay_between_entries * 1); |
| EXPECT_FALSE(black_list_item.IsBlackListed(later)); |
| } |
| |
| } // namespace previews |