discourse/spec/controllers/similar_topics_controller_s...

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require 'rails_helper'
describe SimilarTopicsController do
context 'similar_to' do
let(:title) { 'this title is long enough to search for' }
let(:raw) { 'this body is long enough to search for' }
it "requires a title" do
expect { xhr :get, :index, raw: raw }.to raise_error(ActionController::ParameterMissing)
end
it "requires a raw body" do
expect { xhr :get, :index, title: title }.to raise_error(ActionController::ParameterMissing)
end
it "returns no results if the title length is below the minimum" do
Topic.expects(:similar_to).never
SiteSetting.stubs(:min_title_similar_length).returns(100)
xhr :get, :index, title: title, raw: raw
json = ::JSON.parse(response.body)
expect(json["similar_topics"].size).to eq(0)
end
it "returns no results if the body length is below the minimum" do
Topic.expects(:similar_to).never
SiteSetting.stubs(:min_body_similar_length).returns(100)
xhr :get, :index, title: title, raw: raw
json = ::JSON.parse(response.body)
expect(json["similar_topics"].size).to eq(0)
end
describe "minimum_topics_similar" do
before do
SiteSetting.stubs(:minimum_topics_similar).returns(30)
end
after do
xhr :get, :index, title: title, raw: raw
end
describe "With enough topics" do
before do
Topic.stubs(:count).returns(50)
end
it "deletes to Topic.similar_to if there are more topics than `minimum_topics_similar`" do
Topic.expects(:similar_to).with(title, raw, nil).returns([Fabricate(:topic)])
end
describe "with a logged in user" do
let(:user) { log_in }
it "passes a user through if logged in" do
Topic.expects(:similar_to).with(title, raw, user).returns([Fabricate(:topic)])
end
end
end
it "does not call Topic.similar_to if there are fewer topics than `minimum_topics_similar`" do
Topic.stubs(:count).returns(10)
Topic.expects(:similar_to).never
end
end
end
end