Module: HttpSimulator

Defined in:
lib/http_sim.rb

Constant Summary collapse

@@erb_files = 
{
  index: self.read_file('lib/index.html.erb'),
  request: self.read_file('lib/request.html.erb'),
  response: self.read_file('lib/response.html.erb')
}
@@endpoints = 
[]

Class Method Summary collapse

Class Method Details

.read_file(path) ⇒ Object 



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# File 'lib/http_sim.rb', line 25

def self.read_file(path)
  lines = []
  File.open(path, 'r') do |f|
    f.each_line do |line|
      lines.push line
    end
  end
  lines.join
end

.register_endpoint(method, path, default_response) ⇒ Object 



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# File 'lib/http_sim.rb', line 54

def self.register_endpoint(method, path, default_response)
  raise '/ is a reserved path' if path == '/'

  endpoint = Endpoint.new(method, path, default_response)
  @@endpoints.push endpoint

  case endpoint.method
    when 'GET'
      Sinatra::Base.get endpoint.path do
        endpoint.add_request request.body.read
        endpoint.default_response
      end
    when 'PUT'
      Sinatra::Base.put endpoint.path do
        endpoint.add_request request.body.read
        endpoint.default_response
      end
    when 'PATCH'
      Sinatra::Base.patch endpoint.path do
        endpoint.add_request request.body.read
        endpoint.default_response
      end
    when 'POST'
      Sinatra::Base.post endpoint.path do
        endpoint.add_request request.body.read
        endpoint.default_response
      end
    when 'DELETE'
      Sinatra::Base.delete endpoint.path do
        endpoint.add_request request.body.read
        endpoint.default_response
      end
  end

  Sinatra::Base.get "#{endpoint.path}/response" do
    ERB.new(@@erb_files[:response]).result binding
  end

  Sinatra::Base.put "#{endpoint.path}/response" do
    endpoint.response = request.body.read
  end

  Sinatra::Base.delete "#{endpoint.path}/response" do
    endpoint.response = endpoint.default_response
  end

  Sinatra::Base.get "#{endpoint.path}/requests" do
    ERB.new(@@erb_files[:request]).result binding
  end

  Sinatra::Base.delete "#{endpoint.path}/requests" do
    endpoint.requests = []
  end
end

.run!(port: 4567) ⇒ Object 



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# File 'lib/http_sim.rb', line 42

def self.run!(port: 4567)
  Sinatra::Base.get '/' do
    ERB.new(@@erb_files[:index]).result binding
  end

  Class.new(Sinatra::Base) {
    set :port, port

    include HttpSimulator
  }.run!
end