Class: MockGCM::Server

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/mock_gcm/server.rb

Constant Summary collapse

DEFAULT_HOST = 
'localhost'

Instance Method Summary collapse

Constructor Details

#initialize(api_key, port) ⇒ Server

Returns a new instance of Server.



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# File 'lib/mock_gcm/server.rb', line 22

def initialize(api_key, port)
  @api_key = api_key

  @received_messages = []
  @mutex = Mutex.new

  @server = HttpServer.new(self, port, DEFAULT_HOST, 1, File.open("/dev/null"), false, false)

  # Configurable error behaviour
  @next_request_failure = nil
  @canonicals        = {}
  @errors            = {}
end

Instance Method Details

#add_received(reg_id, collapse_key, time_to_live, delay_while_idle, data, dry_run, restrict_package_name) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 77

def add_received(reg_id, collapse_key, time_to_live, delay_while_idle, data, dry_run, restrict_package_name)
  hsh = {
    'registration_id'       => reg_id.freeze,
    'collapse_key'          => collapse_key.freeze,
    'time_to_live'          => time_to_live.freeze,
    'delay_while_idle'      => delay_while_idle.freeze,
    'data'                  => data.freeze,
    'dry_run'               => dry_run.freeze,
    'restrict_package_name' => restrict_package_name.freeze
  }.freeze
  @mutex.synchronize { @received_messages << hsh }
end

#canonical_id_for(reg_id) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 67

def canonical_id_for(reg_id)
  @mutex.synchronize { @canonicals[reg_id] }
end

#check_authorization_header(request, response, req_data) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 106

def check_authorization_header(request, response, req_data)
  if request.header['Authorization'] == "key=#{@api_key}"
    true
  else
    response.status = 401
    false
  end
end

#check_content_type(request, response, req_data) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 115

def check_content_type(request, response, req_data)
  if request.header['Content-Type'] == "application/json"
    true
  else
    response.status = 400
    false
  end
end

#check_data_format(request, response, req_data) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 124

def check_data_format(request, response, req_data)
  fail = Proc.new do
    response.status = 400
    return false
  end
  json = JSON.parse(req_data) rescue fail.call

  # Required
  fail.call unless json["data"].is_a?(Hash)
  fail.call unless json["registration_ids"].is_a?(Array) && json["registration_ids"].all? { |reg_id| reg_id.is_a?(String) } && json["registration_ids"].size <= 1000
  # Optional
  fail.call unless json.fetch("collapse_key", "").is_a?(String)
  fail.call unless json.fetch("time_to_live", 1).is_a?(Integer)
  fail.call unless json.fetch("restrict_package_name", "").is_a?(String)
  fail.call unless [true,false].include?(json.fetch("dry_run", false))
  fail.call unless [true,false].include?(json.fetch("delay_while_idle", false))

  valid_fields = ["data", "registration_ids", "collapse_key", "time_to_live", "delay_while_idle", "dry_run", "restrict_package_name"]
  json.keys.each do |key|
    fail.call unless valid_fields.include?(key)
  end

  true
end

#check_fail_next_request(request, response, req_data) ⇒ Object

Check stuff



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# File 'lib/mock_gcm/server.rb', line 92

def check_fail_next_request(request, response, req_data)
  return true unless next_request_failure = @mutex.synchronize do
    @next_request_failure.tap { @next_request_failure = nil }
  end

  response.status = next_request_failure[:errno]

  next_request_failure[:retry_after].tap do |retry_after|
    response.header['Retry-After'] = retry_after if retry_after
  end

  false
end

#error_for(reg_id) ⇒ Object

Check server state from request thread



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# File 'lib/mock_gcm/server.rb', line 57

def error_for(reg_id)
  @mutex.synchronize {
    return unless hsh = @errors[reg_id]
    return unless hsh[:times] != 0

    hsh[:times] -= 1 if hsh[:times] >= 1
    hsh[:error]
  }
end

#handle_req_data(req_data) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 149

def handle_req_data(req_data)
  req_json = JSON.parse(req_data)

  success, failure, canonical_ids, results = 0, 0, 0, []

  reg_ids = req_json['registration_ids']
  reg_ids.each do |reg_id|
    results << {}.tap do |result|
      if error = error_for(reg_id)
        result['error'] = error
        failure += 1
        next
      end

      if canonical_id = canonical_id_for(reg_id)
        result['registration_id'] = canonical_id
        canonical_ids += 1
      end

      result['message_id'] = rand(100_000_000)
      success += 1

      add_received(reg_id, req_json['collapse_key'], req_json['time_to_live'],
                   req_json['delay_while_idle'], req_json.fetch('data'),
                   req_json['dry_run'], req_json['restrict_package_name'])
    end
  end

  return success, failure, canonical_ids, results
end

#ip_auth_handler(io) ⇒ Object

HttpServer handlers



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# File 'lib/mock_gcm/server.rb', line 182

def ip_auth_handler(io)
  true
end

#mock_canonical_id(reg_id, canonical_reg_id) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 47

def mock_canonical_id(reg_id, canonical_reg_id)
  @mutex.synchronize { @canonicals[reg_id] = canonical_reg_id }
end

#mock_error(reg_id, error, options = {}) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 51

def mock_error(reg_id, error, options = {})
  @mutex.synchronize { @errors[reg_id] = { :error => error, :times => options[:times] || -1 } }
end

#mock_next_request_failure(errno, retry_after = nil) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 40

def mock_next_request_failure(errno, retry_after = nil)
  @mutex.synchronize do
    @next_request_failure = {:errno => Integer(errno)}
    @next_request_failure[:retry_after] = retry_after if retry_after
  end
end

#received_messages ⇒ Object

Message log



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# File 'lib/mock_gcm/server.rb', line 73

def received_messages
  @mutex.synchronize { @received_messages.dup }
end

#request_handler(request, response) ⇒ Object 



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# File 'lib/mock_gcm/server.rb', line 186

def request_handler(request, response)
  req_data = request.data.read(request.content_length)

  return unless check_fail_next_request(request, response, req_data)
  return unless check_authorization_header(request, response, req_data)
  return unless check_content_type(request, response, req_data)
  return unless check_data_format(request, response, req_data)

  success, failure, canonical_ids, results = handle_req_data(req_data)

  response.header['Content-Type'] = 'application/json'
  response.body = {
    'multicast_id'  => rand(100_000_000),
    'success'       => success,
    'failure'       => failure,
    'canonical_ids' => canonical_ids,
    'results'       => results
  }.to_json
end