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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
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 unless ENV['TRAVIS'] and (RUBY_ENGINE == 'jruby') #TODO travis with jruby in container mode has an issue with this test
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, 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
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 = false
app = proc do |env|
request = Rack::Request.new(env)
sleep request.params['wait_time'].to_f
done = true
[200, {}, ["Hello Server!"]]
end
server1 = Capybara::Server.new(app).boot
server2 = Capybara::Server.new(app).boot
start_request(server1, 0.5)
start_request(server2, 1.0)
expect {
server1.wait_for_pending_requests
}.to change{done}.from(false).to(true)
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 = false
app = proc do |env|
request = Rack::Request.new(env)
sleep request.params['wait_time'].to_f
done = true
[200, {}, ["Hello Server!"]]
end
server1 = Capybara::Server.new(app).boot
server2 = Capybara::Server.new(app).boot
start_request(server1, 0.5)
start_request(server2, 1.0)
expect {
server1.wait_for_pending_requests
}.to change{done}.from(false).to(true)
expect(server2.send(:pending_requests?)).to eq(true)
end
end
it "should raise server errors when the server errors before the timeout" do
begin
Capybara.server do
sleep 0.1
raise 'kaboom'
end
expect do
Capybara::Server.new(proc {|e|}).boot
end.to raise_error(RuntimeError, 'kaboom')
ensure
# TODO refactor out the defaults so it's reliant on unset state instead of
# a one-time call in capybara.rb
Capybara.server {|app, port| Capybara.run_default_server(app, port)}
end
end
it "is not #responsive? when Net::HTTP raises a SystemCallError" do
app = lambda { [200, {}, ['Hello, world']] }
server = Capybara::Server.new(app)
expect(Net::HTTP).to receive(:start).and_raise(SystemCallError.allocate)
expect(server.responsive?).to eq false
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.to_s} HTTP/1.0\r\n\r\n"
socket.close
sleep 0.1
end
end
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