discourse/spec/models/topic_list_spec.rb

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# frozen_string_literal: true
RSpec.describe TopicList do
let!(:topic) do
t = Fabricate(:topic)
t.allowed_user_ids = [t.user.id]
t
end
let(:user) { topic.user }
let(:topic_list) { TopicList.new("liked", user, [topic]) }
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before { TopicList.preloaded_custom_fields.clear }
after { TopicList.preloaded_custom_fields.clear }
describe ".preloaded_custom_fields" do
it "should return a unique set of values" do
TopicList.preloaded_custom_fields << "test"
TopicList.preloaded_custom_fields << "test"
TopicList.preloaded_custom_fields << "apple"
expect(TopicList.preloaded_custom_fields).to eq(Set.new(%w[test apple]))
end
end
describe "preload" do
it "allows preloading of data" do
preloaded_topic = false
preloader =
lambda do |topics, topic_list|
expect(TopicList === topic_list).to eq(true)
expect(topics.length).to eq(1)
preloaded_topic = true
end
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TopicList.on_preload(&preloader)
topic_list.topics
expect(preloaded_topic).to eq(true)
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TopicList.cancel_preload(&preloader)
end
end
describe "#load_topics" do
it "loads additional data for serialization" do
category_user =
CategoryUser.create!(
user: user,
category: topic.category,
notification_level: NotificationLevels.all[:regular],
)
topic = topic_list.load_topics.first
expect(topic.category_user_data).to eq(category_user)
end
end
describe "#top_tags" do
it "should return the right tags" do
tag = Fabricate(:tag, topics: [topic])
other_tag = Fabricate(:tag, topics: [topic], name: "use-anywhere")
output = [tag.name, other_tag.name]
expect(topic_list.top_tags.sort).to eq(output.sort)
end
describe "when there are tags restricted to a category" do
fab!(:category) { Fabricate(:category) }
fab!(:topic) { Fabricate(:topic, category: category) }
fab!(:other_topic) { Fabricate(:topic) } # uncategorized
fab!(:tag) { Fabricate(:tag, topics: [topic], categories: [category], name: "category-tag") }
fab!(:other_tag) { Fabricate(:tag, topics: [topic], name: "use-anywhere") }
let(:topic_list) do
TopicList.new(
"latest",
topic.user,
[topic],
category: category.id,
category_id: category.id,
)
end
it "should return tags used in the category" do
expect(topic_list.top_tags).to eq([tag.name, other_tag.name].sort)
end
it "with no category, should return all tags" do
expect(TopicList.new("latest", other_topic.user, [other_topic]).top_tags.sort).to eq(
[tag.name, other_tag.name].sort,
)
end
it "with another category with no tags, should return no tags" do
other_category = Fabricate(:category)
topic3 = Fabricate(:topic, category: other_category)
list =
TopicList.new(
"latest",
topic3.user,
[topic3],
category: other_category.id,
category_id: other_category.id,
)
expect(list.top_tags).to be_empty
end
end
end
describe "#preload_key" do
let(:category) { Fabricate(:category) }
let(:tag) { Fabricate(:tag) }
it "returns topic_list" do
topic_list = TopicList.new("latest", nil, nil, category: category, category_id: category.id)
expect(topic_list.preload_key).to eq("topic_list")
end
end
end