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# frozen_string_literal: true
require 'rails_helper'
require 'securerandom'
describe Request do
subject { Request.new(:get, 'http://example.com') }
describe '#headers' do
it 'returns user agent' do
expect(subject.headers['User-Agent']).to be_present
end
it 'returns the date header' do
expect(subject.headers['Date']).to be_present
end
it 'returns the host header' do
expect(subject.headers['Host']).to be_present
end
it 'does not return virtual request-target header' do
expect(subject.headers['(request-target)']).to be_nil
end
end
describe '#on_behalf_of' do
it 'when used, adds signature header' do
subject.on_behalf_of(Fabricate(:account))
expect(subject.headers['Signature']).to be_present
end
end
describe '#add_headers' do
it 'adds headers to the request' do
subject.add_headers('Test' => 'Foo')
expect(subject.headers['Test']).to eq 'Foo'
end
end
describe '#perform' do
context 'with valid host' do
before { stub_request(:get, 'http://example.com') }
it 'executes a HTTP request' do
expect { |block| subject.perform(&block) }.to yield_control
expect(a_request(:get, 'http://example.com')).to have_been_made.once
end
it 'executes a HTTP request when the first address is private' do
resolver = double
allow(resolver).to receive(:getaddresses).with('example.com').and_return(%w(0.0.0.0 2001:4860:4860::8844))
allow(resolver).to receive(:timeouts=).and_return(nil)
allow(Resolv::DNS).to receive(:open).and_yield(resolver)
expect { |block| subject.perform(&block) }.to yield_control
expect(a_request(:get, 'http://example.com')).to have_been_made.once
end
it 'sets headers' do
expect { |block| subject.perform(&block) }.to yield_control
expect(a_request(:get, 'http://example.com').with(headers: subject.headers)).to have_been_made
end
it 'closes underlying connection' do
expect_any_instance_of(HTTP::Client).to receive(:close)
expect { |block| subject.perform(&block) }.to yield_control
end
it 'returns response which implements body_with_limit' do
subject.perform do |response|
expect(response).to respond_to :body_with_limit
end
end
end
context 'with private host' do
around do |example|
WebMock.disable!
example.run
WebMock.enable!
end
it 'raises Mastodon::ValidationError' do
resolver = double
allow(resolver).to receive(:getaddresses).with('example.com').and_return(%w(0.0.0.0 2001:db8::face))
allow(resolver).to receive(:timeouts=).and_return(nil)
allow(Resolv::DNS).to receive(:open).and_yield(resolver)
expect { subject.perform }.to raise_error Mastodon::ValidationError
end
end
end
describe "response's body_with_limit method" do
it 'rejects body more than 1 megabyte by default' do
stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes))
expect { subject.perform(&:body_with_limit) }.to raise_error Mastodon::LengthValidationError
end
it 'accepts body less than 1 megabyte by default' do
stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.kilobytes))
expect { subject.perform(&:body_with_limit) }.to_not raise_error
end
it 'rejects body by given size' do
stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.kilobytes))
expect { subject.perform { |response| response.body_with_limit(1.kilobyte) } }.to raise_error Mastodon::LengthValidationError
end
it 'rejects too large chunked body' do
stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes), headers: { 'Transfer-Encoding' => 'chunked' })
expect { subject.perform(&:body_with_limit) }.to raise_error Mastodon::LengthValidationError
end
it 'rejects too large monolithic body' do
stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes), headers: { 'Content-Length' => 2.megabytes })
expect { subject.perform(&:body_with_limit) }.to raise_error Mastodon::LengthValidationError
end
it 'truncates large monolithic body' do
stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes), headers: { 'Content-Length' => 2.megabytes })
expect(subject.perform { |response| response.truncated_body.bytesize }).to be < 2.megabytes
end
it 'uses binary encoding if Content-Type does not tell encoding' do
stub_request(:any, 'http://example.com').to_return(body: '', headers: { 'Content-Type' => 'text/html' })
expect(subject.perform { |response| response.body_with_limit.encoding }).to eq Encoding::BINARY
end
it 'uses binary encoding if Content-Type tells unknown encoding' do
stub_request(:any, 'http://example.com').to_return(body: '', headers: { 'Content-Type' => 'text/html; charset=unknown' })
expect(subject.perform { |response| response.body_with_limit.encoding }).to eq Encoding::BINARY
end
it 'uses encoding specified by Content-Type' do
stub_request(:any, 'http://example.com').to_return(body: '', headers: { 'Content-Type' => 'text/html; charset=UTF-8' })
expect(subject.perform { |response| response.body_with_limit.encoding }).to eq Encoding::UTF_8
end
end
end
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