discourse/spec/components/suggested_topics_builder_sp...

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require 'spec_helper'
require 'suggested_topics_builder'
describe SuggestedTopicsBuilder do
let(:topic) { Fabricate(:topic) }
let(:builder) { SuggestedTopicsBuilder.new(topic) }
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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)
builder.results.map(&:id).should == [3,4,2]
# we have 2 items in category 1
builder.category_results_left.should == 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)
builder.results.map(&:id).should == [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)
builder.results.map(&:id).should == [2,4,3]
end
end
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it "has the correct defaults" do
builder.excluded_topic_ids.include?(topic.id).should be_true
builder.results_left.should == 5
builder.size.should == 0
builder.should_not be_full
end
it "returns full correctly" do
builder.stubs(:results_left).returns(0)
builder.should be_full
end
context "adding results" do
it "adds nothing with nil results" do
builder.add_results(nil)
builder.results_left.should == 5
builder.size.should == 0
builder.should_not 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
builder.size.should == 1
builder.results_left.should == 4
builder.should_not be_full
builder.excluded_topic_ids.include?(topic.id).should be_true
builder.excluded_topic_ids.include?(other_topic.id).should be_true
end
end
context "adding topics that are not open" do
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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
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builder.add_results(Topic)
builder.size.should == 2
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builder.should_not be_full
end
end
context "category definition topics" do
let!(:category) { Fabricate(:category) }
it "doesn't add a category definition topic" do
category.topic_id.should be_present
builder.add_results(Topic)
builder.size.should == 0
builder.should_not be_full
end
end
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end
end