discourse/spec/models/topic_list_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe TopicList do
let!(:topic) {
t = Fabricate(:topic)
t.allowed_user_ids = [t.user.id]
t
}
let(:user) { topic.user }
let(:topic_list) { TopicList.new("liked", user, [topic]) }
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before do
TopicList.preloaded_custom_fields.clear
end
after do
TopicList.preloaded_custom_fields.clear
end
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
context "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 '#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") }
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let(:topic_list) { TopicList.new('latest', topic.user, [topic], category: category.id, category_id: category.id) }
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)
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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
end