discourse/spec/requests/robots_txt_controller_spec.rb

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# frozen_string_literal: true
RSpec.describe RobotsTxtController do
describe '#builder' do
it "returns json information for building a robots.txt" do
get "/robots-builder.json"
json = response.parsed_body
expect(json).to be_present
expect(json['header']).to be_present
expect(json['agents']).to be_present
end
it "includes overridden content if robots.txt is is overridden" do
SiteSetting.overridden_robots_txt = "something"
get "/robots-builder.json"
expect(response.status).to eq(200)
json = response.parsed_body
expect(json['header']).to be_present
expect(json['agents']).to be_present
expect(json['overridden']).to eq("something")
end
end
describe '#index' do
context "header for when the content is overridden" do
it "is not prepended if there are no overrides" do
sign_in(Fabricate(:admin))
get '/robots.txt'
expect(response.body).not_to start_with(RobotsTxtController::OVERRIDDEN_HEADER)
end
it "is prepended if there are overrides and the user is admin" do
SiteSetting.overridden_robots_txt = "overridden_content"
sign_in(Fabricate(:admin))
get '/robots.txt'
expect(response.body).to start_with(RobotsTxtController::OVERRIDDEN_HEADER)
end
it "is not prepended if the user is not admin" do
SiteSetting.overridden_robots_txt = "overridden_content"
get '/robots.txt'
expect(response.body).not_to start_with(RobotsTxtController::OVERRIDDEN_HEADER)
end
end
context 'subfolder' do
it 'prefixes the rules with the directory' do
set_subfolder "/forum"
get '/robots.txt'
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expect(response.body).to include("\nDisallow: /forum/email/")
end
end
context 'allow_index_in_robots_txt is true' do
def expect_allowed_and_disallowed_sections(allow_index, disallow_index)
expect(allow_index).to be_present
expect(disallow_index).to be_present
allow_section = allow_index < disallow_index ?
response.body[allow_index...disallow_index] : response.body[allow_index..-1]
expect(allow_section).to include('Disallow: /auth/')
expect(allow_section).to_not include("Disallow: /\n")
disallowed_section = allow_index < disallow_index ?
response.body[disallow_index..-1] : response.body[disallow_index...allow_index]
expect(disallowed_section).to include("Disallow: /\n")
end
it "returns index when indexing is allowed" do
SiteSetting.allow_index_in_robots_txt = true
get '/robots.txt'
i = response.body.index('User-agent: *')
expect(i).to be_present
expect(response.body[i..-1]).to include("Disallow: /auth/")
# we have to insert Googlebot for special handling
expect(response.body[i..-1]).to include("User-agent: Googlebot")
end
it "can allowlist user agents" do
SiteSetting.allowed_crawler_user_agents = "Googlebot|Twitterbot"
get '/robots.txt'
expect(response.body).to include('User-agent: Googlebot')
expect(response.body).to include('User-agent: Twitterbot')
allowed_index = [response.body.index('User-agent: Googlebot'), response.body.index('User-agent: Twitterbot')].min
disallow_all_index = response.body.index('User-agent: *')
expect_allowed_and_disallowed_sections(allowed_index, disallow_all_index)
end
it "can blocklist user agents" do
SiteSetting.blocked_crawler_user_agents = "Googlebot|Twitterbot"
get '/robots.txt'
expect(response.body).to include('User-agent: Googlebot')
expect(response.body).to include('User-agent: Twitterbot')
disallow_index = [response.body.index('User-agent: Googlebot'), response.body.index('User-agent: Twitterbot')].min
allow_index = response.body.index('User-agent: *')
expect_allowed_and_disallowed_sections(allow_index, disallow_index)
end
it "ignores blocklist if allowlist is set" do
SiteSetting.allowed_crawler_user_agents = "Googlebot|Twitterbot"
SiteSetting.blocked_crawler_user_agents = "Bananabot"
get '/robots.txt'
expect(response.body).to_not include('Bananabot')
expect(response.body).to include('User-agent: Googlebot')
expect(response.body).to include('User-agent: Twitterbot')
end
end
it "returns noindex when indexing is disallowed" do
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SiteSetting.allow_index_in_robots_txt = false
get '/robots.txt'
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expect(response.body).to_not include("Disallow: /auth/")
expect(response.body).to include("User-agent: googlebot\nAllow")
end
it "returns overridden robots.txt if the file is overridden" do
SiteSetting.overridden_robots_txt = "blah whatever"
get '/robots.txt'
expect(response.status).to eq(200)
expect(response.body).to eq(SiteSetting.overridden_robots_txt)
end
end
end