components/browsing_topics/topic_and_domains_unittest.cc

   1 // Copyright 2022 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/browsing_topics/topic_and_domains.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace browsing_topics {
  10
  11 class TopicAndDomainsTest : public testing::Test {};
  12
  13 TEST_F(TopicAndDomainsTest, FromEmptyDictionaryValue) {
  14   TopicAndDomains read_topic_and_domains =
  15       TopicAndDomains::FromDictValue(base::Value::Dict());
  16
  17   EXPECT_FALSE(read_topic_and_domains.IsValid());
  18   EXPECT_EQ(read_topic_and_domains.topic(), Topic(0));
  19   EXPECT_TRUE(read_topic_and_domains.hashed_domains().empty());
  20 }
  21
  22 TEST_F(TopicAndDomainsTest, EmptyTopicAndDomains_ToAndFromDictValue) {
  23   TopicAndDomains topic_and_domains;
  24
  25   base::Value::Dict dict_value = topic_and_domains.ToDictValue();
  26   TopicAndDomains read_topic_and_domains =
  27       TopicAndDomains::FromDictValue(dict_value);
  28
  29   EXPECT_FALSE(read_topic_and_domains.IsValid());
  30   EXPECT_EQ(read_topic_and_domains.topic(), Topic(0));
  31   EXPECT_TRUE(read_topic_and_domains.hashed_domains().empty());
  32 }
  33
  34 TEST_F(TopicAndDomainsTest, PopulatedTopicAndDomains_ToAndFromValue) {
  35   TopicAndDomains topic_and_domains(
  36       Topic(2),
  37       /*hashed_domains=*/{HashedDomain(123), HashedDomain(456)});
  38
  39   base::Value::Dict dict_value = topic_and_domains.ToDictValue();
  40   TopicAndDomains read_topic_and_domains =
  41       TopicAndDomains::FromDictValue(dict_value);
  42
  43   EXPECT_TRUE(read_topic_and_domains.IsValid());
  44   EXPECT_EQ(read_topic_and_domains.topic(), Topic(2));
  45   EXPECT_EQ(read_topic_and_domains.hashed_domains(),
  46             std::set({HashedDomain(123), HashedDomain(456)}));
  47 }
  48
  49 TEST_F(TopicAndDomainsTest, ClearDomain) {
  50   TopicAndDomains topic_and_domains(
  51       Topic(2),
  52       /*hashed_domains=*/{HashedDomain(123), HashedDomain(456)});
  53
  54   topic_and_domains.ClearDomain(HashedDomain(123));
  55
  56   EXPECT_EQ(topic_and_domains.topic(), Topic(2));
  57   EXPECT_EQ(topic_and_domains.hashed_domains().size(), 1u);
  58   EXPECT_EQ(*topic_and_domains.hashed_domains().begin(), HashedDomain(456));
  59 }
  60
  61 }  // namespace browsing_topics