Class: Fog::AWS::SQS::Mock

Inherits:
Object
  • Object
show all
Defined in:
lib/fog/aws/sqs.rb,
lib/fog/aws/requests/sqs/list_queues.rb,
lib/fog/aws/requests/sqs/create_queue.rb,
lib/fog/aws/requests/sqs/delete_queue.rb,
lib/fog/aws/requests/sqs/send_message.rb,
lib/fog/aws/requests/sqs/delete_message.rb,
lib/fog/aws/requests/sqs/receive_message.rb,
lib/fog/aws/requests/sqs/get_queue_attributes.rb,
lib/fog/aws/requests/sqs/set_queue_attributes.rb,
lib/fog/aws/requests/sqs/change_message_visibility.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Mock

Returns a new instance of Mock.



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# File 'lib/fog/aws/sqs.rb', line 38

def initialize(options={})
  @aws_access_key_id = options[:aws_access_key_id]

  @region = options[:region] || 'us-east-1'

  unless ['ap-northeast-1', 'ap-southeast-1', 'eu-west-1', 'us-east-1', 'us-west-1'].include?(@region)
    raise ArgumentError, "Unknown region: #{@region.inspect}"
  end
end

Class Method Details

.data ⇒ Object 



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# File 'lib/fog/aws/sqs.rb', line 22

def self.data
  @data ||= Hash.new do |hash, region|
    owner_id = Fog::AWS::Mock.owner_id
    hash[region] = Hash.new do |region_hash, key|
      region_hash[key] = {
        :owner_id => Fog::AWS::Mock.owner_id,
        :queues   => {}
      }
    end
  end
end

.reset ⇒ Object 



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# File 'lib/fog/aws/sqs.rb', line 34

def self.reset
  @data = nil
end

Instance Method Details

#change_message_visibility(queue_url, receipt_handle, visibility_timeout) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/change_message_visibility.rb', line 33

def change_message_visibility(queue_url, receipt_handle, visibility_timeout)
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      message_id, _ = queue[:receipt_handles].find { |message_id, receipts|
        receipts.keys.include?(receipt_handle)
      }
      
      if message_id
        queue[:messages][message_id]['Attributes']['VisibilityTimeout'] = visibility_timeout
        response.body = {
          'ResponseMetadata' => {
            'RequestId' => Fog::AWS::Mock.request_id
          }
        }
        response.status = 200
      else
        response.status = 404
        raise(Excon::Errors.status_error({:expects => 200}, response))
      end
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end

#create_queue(name, options = {}) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/create_queue.rb', line 30

def create_queue(name, options = {})
  Excon::Response.new.tap do |response|
    response.status = 200
    
    now = Time.now
    queue_url = "https://queue.amazonaws.com/#{data[:owner_id]}/#{name}"
    queue = {
      'QueueName'      => name,
      'Attributes'     => {
        'VisibilityTimeout'                     => 30,
        'ApproximateNumberOfMessages'           => 0,
        'ApproximateNumberOfMessagesNotVisible' => 0,
        'CreatedTimestamp'                      => now,
        'LastModifiedTimestamp'                 => now,
        'QueueArn'                              => Fog::AWS::Mock.arn('sqs', 'us-east-1', data[:owner_id], name),
        'MaximumMessageSize'                    => 8192,
        'MessageRetentionPeriod'                => 345600
      },
      :messages        => {},
      :receipt_handles => {}
    }
    data[:queues][queue_url] = queue unless data[:queues][queue_url]
    
    response.body = {
      'ResponseMetadata' => {
        'RequestId' => Fog::AWS::Mock.request_id
      },
      'QueueUrl' => queue_url
    }
  end
  
end

#data ⇒ Object 



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# File 'lib/fog/aws/sqs.rb', line 48

def data
  self.class.data[@region][@aws_access_key_id]
end

#delete_message(queue_url, receipt_handle) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/delete_message.rb', line 31

def delete_message(queue_url, receipt_handle)
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      message_id, _ = queue[:receipt_handles].find { |msg_id, receipts|
        receipts.keys.include?(receipt_handle)
      }

      if message_id
        queue[:receipt_handles].delete(message_id)
        queue[:messages].delete(message_id)
        queue['Attributes']['LastModifiedTimestamp'] = Time.now
      end

      response.body = {
        'ResponseMetadata' => {
          'RequestId' => Fog::AWS::Mock.request_id
        }
      }
      response.status = 200
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end

#delete_queue(queue_url) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/delete_queue.rb', line 29

def delete_queue(queue_url)
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      response.status = 200
      
      data[:queues].delete(queue_url)
      
      response.body = {
        'ResponseMetadata' => {
          'RequestId' => Fog::AWS::Mock.request_id
        }
      }
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end

#get_queue_attributes(queue_url, attribute_name) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/get_queue_attributes.rb', line 31

def get_queue_attributes(queue_url, attribute_name)
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      response.status = 200
      
      response.body = {
        'ResponseMetadata' => {
          'RequestId' => Fog::AWS::Mock.request_id
        },
        'Attributes' => queue['Attributes']
      }
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end

#list_queues(options = {}) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/list_queues.rb', line 27

def list_queues(options = {})
  Excon::Response.new.tap do |response|
    response.status = 200
    
    response.body = {
      'ResponseMetadata' => {
        'RequestId' => Fog::AWS::Mock.request_id
      },
      'QueueUrls' => data[:queues].keys
    }
  end
end

#receive_message(queue_url, options = {}) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/receive_message.rb', line 34

def receive_message(queue_url, options = {})
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      max_number_of_messages = options['MaxNumberOfMessages'] || 1
      now = Time.now
      
      keys = queue[:messages].keys[0, max_number_of_messages]
      
      messages = queue[:messages].values_at(*keys).map do |m|
        message_id = m['MessageId']
        
        invisible = if (received_handles = queue[:receipt_handles][message_id])
          visibility_timeout = m['Attributes']['VisibilityTimeout'] || queue['Attributes']['VisibilityTimeout']
          received_handles.any? { |handle, time| now < time + visibility_timeout }
        else
          false
        end
        
        if invisible
          nil
        else
          receipt_handle = Fog::Mock.random_base64(300)
          
          queue[:receipt_handles][message_id] ||= {}
          queue[:receipt_handles][message_id][receipt_handle] = now
          
          m['Attributes'].tap do |attrs|
            attrs['ApproximateFirstReceiveTimestamp'] ||= now
            attrs['ApproximateReceiveCount'] = (attrs['ApproximateReceiveCount'] || 0) + 1
          end
          
          m.merge({
            'ReceiptHandle' => receipt_handle
          })
        end
      end.compact
      
      response.body = {
        'ResponseMetadata' => {
          'RequestId' => Fog::AWS::Mock.request_id
        },
        'Message' => messages
      }
      response.status = 200
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end

#reset_data ⇒ Object 



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# File 'lib/fog/aws/sqs.rb', line 52

def reset_data
  self.class.data[@region].delete(@aws_access_key_id)
end

#send_message(queue_url, message) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/send_message.rb', line 31

def send_message(queue_url, message)
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      response.status = 200
      
      now        = Time.now
      message_id = Fog::AWS::Mock.sqs_message_id
      md5        = Digest::MD5.hexdigest(message)
      
      queue[:messages][message_id] = {
        'MessageId'  => message_id,
        'Body'       => message,
        'MD5OfBody'  => md5,
        'Attributes' => {
          'SenderId'      => Fog::AWS::Mock.sqs_message_id,
          'SentTimestamp' => now
        }
      }
      
      queue['Attributes']['LastModifiedTimestamp'] = now
      
      response.body = {
        'ResponseMetadata' => {
          'RequestId' => Fog::AWS::Mock.request_id
        },
        'MessageId'        => message_id,
        'MD5OfMessageBody' => md5
      }
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end

#set_queue_attributes(queue_url, attribute_name, attribute_value) ⇒ Object 



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# File 'lib/fog/aws/requests/sqs/set_queue_attributes.rb', line 32

def set_queue_attributes(queue_url, attribute_name, attribute_value)
  Excon::Response.new.tap do |response|
    if (queue = data[:queues][queue_url])
      response.status = 200
      queue['Attributes'][attribute_name] = attribute_value
      response.body = {
        'ResponseMetadata' => {
          'RequestId' => Fog::AWS::Mock.request_id
        }
      }
    else
      response.status = 404
      raise(Excon::Errors.status_error({:expects => 200}, response))
    end
  end
end