discourse/spec/components/suggested_topics_builder_spec.rb
2016-03-31 17:40:54 -04:00

113 lines
3.1 KiB
Ruby

require 'rails_helper'
require 'suggested_topics_builder'
describe SuggestedTopicsBuilder do
let(:topic) { Fabricate(:topic) }
let(:builder) { SuggestedTopicsBuilder.new(topic) }
before do
SiteSetting.stubs(:suggested_topics).returns(5)
end
context "splicing category results" do
def fake_topic(topic_id, category_id)
build(:topic, id: topic_id, category_id: category_id)
end
let(:builder) do
SuggestedTopicsBuilder.new(fake_topic(1,1))
end
it "prioritizes category correctly" do
builder.splice_results([fake_topic(2,2)], :high)
builder.splice_results([fake_topic(3,1)], :high)
builder.splice_results([fake_topic(4,1)], :high)
expect(builder.results.map(&:id)).to eq([3,4,2])
# we have 2 items in category 1
expect(builder.category_results_left).to eq(3)
end
it "inserts using default approach for non high priority" do
builder.splice_results([fake_topic(2,2)], :high)
builder.splice_results([fake_topic(3,1)], :low)
expect(builder.results.map(&:id)).to eq([2,3])
end
it "inserts multiple results and puts topics in the correct order" do
builder.splice_results([fake_topic(2,1), fake_topic(3,2), fake_topic(4,1)], :high)
expect(builder.results.map(&:id)).to eq([2,4,3])
end
end
it "has the correct defaults" do
expect(builder.excluded_topic_ids.include?(topic.id)).to eq(true)
expect(builder.results_left).to eq(5)
expect(builder.size).to eq(0)
expect(builder).not_to be_full
end
it "returns full correctly" do
builder.stubs(:results_left).returns(0)
expect(builder).to be_full
end
context "adding results" do
it "adds nothing with nil results" do
builder.add_results(nil)
expect(builder.results_left).to eq(5)
expect(builder.size).to eq(0)
expect(builder).not_to be_full
end
context "adding topics" do
let!(:other_topic) { Fabricate(:topic) }
before do
# Add all topics
builder.add_results(Topic)
end
it "added the result correctly" do
expect(builder.size).to eq(1)
expect(builder.results_left).to eq(4)
expect(builder).not_to be_full
expect(builder.excluded_topic_ids.include?(topic.id)).to eq(true)
expect(builder.excluded_topic_ids.include?(other_topic.id)).to eq(true)
end
end
context "adding topics that are not open" do
let!(:archived_topic) { Fabricate(:topic, archived: true)}
let!(:closed_topic) { Fabricate(:topic, closed: true)}
let!(:invisible_topic) { Fabricate(:topic, visible: false)}
it "adds archived and closed, but not invisible topics" do
builder.add_results(Topic)
expect(builder.size).to eq(2)
expect(builder).not_to be_full
end
end
context "category definition topics" do
let!(:category) { Fabricate(:category) }
it "doesn't add a category definition topic" do
expect(category.topic_id).to be_present
builder.add_results(Topic)
expect(builder.size).to eq(0)
expect(builder).not_to be_full
end
end
end
end