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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Capybara::Server do
it 'should spool up a rack server' do
@app = proc { |_env| [200, {}, ['Hello Server!']] }
@server = Capybara::Server.new(@app).boot
@res = Net::HTTP.start(@server.host, @server.port) { |http| http.get('/') }
expect(@res.body).to include('Hello Server')
end
it 'should do nothing when no server given' do
expect do
@server = Capybara::Server.new(nil).boot
end.not_to raise_error
end
it 'should bind to the specified host' do
# TODO: travis with jruby in container mode has an issue with this test
skip 'This platform has an issue with this test' if (ENV['TRAVIS'] && (RUBY_ENGINE == 'jruby')) || Gem.win_platform?
begin
app = proc { |_env| [200, {}, ['Hello Server!']] }
Capybara.server_host = '127.0.0.1'
server = Capybara::Server.new(app).boot
res = Net::HTTP.get(URI("http://127.0.0.1:#{server.port}"))
expect(res).to eq('Hello Server!')
Capybara.server_host = '0.0.0.0'
server = Capybara::Server.new(app).boot
res = Net::HTTP.get(URI("http://127.0.0.1:#{server.port}"))
expect(res).to eq('Hello Server!')
ensure
Capybara.server_host = nil
end
end
it 'should use specified port' do
Capybara.server_port = 22789
@app = proc { |_env| [200, {}, ['Hello Server!']] }
@server = Capybara::Server.new(@app).boot
@res = Net::HTTP.start(@server.host, 22789) { |http| http.get('/') }
expect(@res.body).to include('Hello Server')
Capybara.server_port = nil
end
it 'should use given port' do
@app = proc { |_env| [200, {}, ['Hello Server!']] }
@server = Capybara::Server.new(@app, port: 22790).boot
@res = Net::HTTP.start(@server.host, 22790) { |http| http.get('/') }
expect(@res.body).to include('Hello Server')
Capybara.server_port = nil
end
it 'should find an available port' do
@app1 = proc { |_env| [200, {}, ['Hello Server!']] }
@app2 = proc { |_env| [200, {}, ['Hello Second Server!']] }
@server1 = Capybara::Server.new(@app1).boot
@server2 = Capybara::Server.new(@app2).boot
@res1 = Net::HTTP.start(@server1.host, @server1.port) { |http| http.get('/') }
expect(@res1.body).to include('Hello Server')
@res2 = Net::HTTP.start(@server2.host, @server2.port) { |http| http.get('/') }
expect(@res2.body).to include('Hello Second Server')
end
xit 'should support SSL' do
begin
key = File.join(Dir.pwd, 'spec', 'fixtures', 'key.pem')
cert = File.join(Dir.pwd, 'spec', 'fixtures', 'certificate.pem')
Capybara.server = :puma, { Host: "ssl://#{Capybara.server_host}?key=#{key}&cert=#{cert}" }
app = proc { |_env| [200, {}, ['Hello SSL Server!']] }
server = Capybara::Server.new(app).boot
expect do
Net::HTTP.start(server.host, server.port) { |http| http.get('/__idntify__') }
end.to raise_error(EOFError)
res = Net::HTTP.start(server.host, server.port, use_ssl: true, verify_mode: OpenSSL::SSL::VERIFY_NONE) do |https|
https.get('/')
end
expect(res.body).to include('Hello SSL Server!')
ensure
Capybara.server = :default
end
end
context 'When Capybara.reuse_server is true' do
before do
@old_reuse_server = Capybara.reuse_server
Capybara.reuse_server = true
end
after do
Capybara.reuse_server = @old_reuse_server
end
it 'should use the existing server if it already running' do
@app = proc { |_env| [200, {}, ['Hello Server!']] }
@server1 = Capybara::Server.new(@app).boot
@server2 = Capybara::Server.new(@app).boot
res = Net::HTTP.start(@server1.host, @server1.port) { |http| http.get('/') }
expect(res.body).to include('Hello Server')
res = Net::HTTP.start(@server2.host, @server2.port) { |http| http.get('/') }
expect(res.body).to include('Hello Server')
expect(@server1.port).to eq(@server2.port)
end
it 'detects and waits for all reused server sessions pending requests' do
done = 0
app = proc do |env|
request = Rack::Request.new(env)
sleep request.params['wait_time'].to_f
done += 1
[200, {}, ['Hello Server!']]
end
server1 = Capybara::Server.new(app).boot
server2 = Capybara::Server.new(app).boot
expect do
start_request(server1, 1.0)
start_request(server2, 3.0)
server1.wait_for_pending_requests
end.to change { done }.from(0).to(2)
expect(server2.send(:pending_requests?)).to eq(false)
end
end
context 'When Capybara.reuse_server is false' do
before do
@old_reuse_server = Capybara.reuse_server
Capybara.reuse_server = false
end
after do
Capybara.reuse_server = @old_reuse_server
end
it 'should not reuse an already running server' do
@app = proc { |_env| [200, {}, ['Hello Server!']] }
@server1 = Capybara::Server.new(@app).boot
@server2 = Capybara::Server.new(@app).boot
res = Net::HTTP.start(@server1.host, @server1.port) { |http| http.get('/') }
expect(res.body).to include('Hello Server')
res = Net::HTTP.start(@server2.host, @server2.port) { |http| http.get('/') }
expect(res.body).to include('Hello Server')
expect(@server1.port).not_to eq(@server2.port)
end
it 'detects and waits for only one sessions pending requests' do
done = 0
app = proc do |env|
request = Rack::Request.new(env)
sleep request.params['wait_time'].to_f
done += 1
[200, {}, ['Hello Server!']]
end
server1 = Capybara::Server.new(app).boot
server2 = Capybara::Server.new(app).boot
expect do
start_request(server1, 1.0)
start_request(server2, 3.0)
server1.wait_for_pending_requests
end.to change { done }.from(0).to(1)
expect(server2.send(:pending_requests?)).to eq(true)
expect do
server2.wait_for_pending_requests
end.to change { done }.from(1).to(2)
end
end
it 'should raise server errors when the server errors before the timeout' do
begin
Capybara.register_server :kaboom do
sleep 0.1
raise 'kaboom'
end
Capybara.server = :kaboom
expect do
Capybara::Server.new(proc { |e| }).boot
end.to raise_error(RuntimeError, 'kaboom')
ensure
Capybara.server = :default
end
end
it 'is not #responsive? when Net::HTTP raises a SystemCallError' do
app = -> { [200, {}, ['Hello, world']] }
server = Capybara::Server.new(app)
allow(Net::HTTP).to receive(:start).and_raise(SystemCallError.allocate)
expect(server.responsive?).to eq false
end
[EOFError, Net::ReadTimeout].each do |err|
it "should attempt an HTTPS connection if HTTP connection returns #{err}" do
app = -> { [200, {}, ['Hello, world']] }
ordered_errors = [Errno::ECONNREFUSED, err]
allow(Net::HTTP).to receive(:start).with(anything, anything, hash_excluding(:use_ssl)) do
raise ordered_errors.shift
end
response = Net::HTTPSuccess.allocate
allow(response).to receive(:body).and_return app.object_id.to_s
allow(Net::HTTP).to receive(:start).with(anything, anything, hash_including(use_ssl: true)).and_return(response).once
Capybara::Server.new(app).boot
expect(Net::HTTP).to have_received(:start).exactly(3).times
end
end
def start_request(server, wait_time)
# Start request, but don't wait for it to finish
socket = TCPSocket.new(server.host, server.port)
socket.write "GET /?wait_time=#{wait_time} HTTP/1.0\r\n\r\n"
sleep 0.1
socket.close
sleep 0.1
end
end
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