139 lines
4.3 KiB
Ruby
139 lines
4.3 KiB
Ruby
module FileServerHelper
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def serve_file(file_path, options = {})
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port = get_unused_port
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require 'webrick'
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server = WEBrick::HTTPServer.new(
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AccessLog: [],
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Logger: WEBrick::Log::new("/dev/null", 7), # comment this line if weird things happen
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Port: port,
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DocumentRoot: File.dirname(file_path),
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RequestCallback: Proc.new do |_req, res|
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options[:headers].each { |k, v| res[k] = v } unless options[:headers].nil?
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unless options[:headers].nil? || options[:headers]['content-type'].nil?
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res.content_type = options[:headers]['content-type']
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end
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end
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)
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trap("INT") { server.shutdown }
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a = Thread.new { server.start }
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begin
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yield "http://localhost:#{port}/#{File.basename(file_path)}" if block_given?
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ensure
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b = Thread.new { server.shutdown }
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b.join
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a.join
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end
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end
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def get_unused_port
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used_ports_command = `netstat -tln | tail -n +3 | awk '{ print $4 }' | cut -f2 -d ':'`
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used_ports = used_ports_command.split("\n").map(&:to_i)
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(rand(10000..10100)..65535).each do |port|
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return port if !used_ports.include?(port)
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end
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raise "No ports available on machine."
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end
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def stub_download(url:, filepath:, headers: {}, content_disposition: true)
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Typhoeus.stub(url).and_return(response_for(filepath, headers, content_disposition: content_disposition))
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end
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def stub_failed_download(options)
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url = options.fetch(:url)
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filepath = options.fetch(:filepath)
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headers = options.fetch(:headers, {})
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Typhoeus.stub(url).and_return(failed_response_for(filepath, headers))
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end
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def response_for(filepath, headers = {}, content_disposition: true)
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response = Typhoeus::Response.new(
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code: 200,
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body: File.new(filepath).read.to_s,
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headers: headers.merge(headers_for(filepath, content_disposition: content_disposition))
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)
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response
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end
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def failed_response_for(_filepath, headers={})
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Typhoeus::Response.new(code: 404, body: nil, headers: {})
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end
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def headers_for(filepath, content_disposition: true)
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return {} unless content_disposition
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filename = filepath.split('/').last
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{ "Content-Disposition" => "attachment; filename=#{filename}" }
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end
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def stub_arcgis_response_with_file(
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absolute_filepath,
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absolute_metadata_filepath = File.expand_path('spec/fixtures/arcgis_metadata.json')
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)
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# Metadata of a layer
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Typhoeus.stub(/\/arcgis\/rest\/services\/Planning\/EPI_Primary_Planning_Layers\/MapServer\/2\?f=json/) do
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body = File.read(absolute_metadata_filepath)
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Typhoeus::Response.new(
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code: 200,
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headers: { 'Content-Type' => 'application/json' },
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body: body
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)
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end
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# IDs list of a layer
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Typhoeus.stub(/\/arcgis\/rest\/(.*)query\?where=/) do
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json_file = JSON.parse(File.read(absolute_filepath))
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Typhoeus::Response.new(
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code: 200,
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headers: { 'Content-Type' => 'application/json' },
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body: JSON.dump(
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objectIdFieldName: "OBJECTID",
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objectIds: json_file['features'].map { |f| f['attributes']['OBJECTID'] }
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)
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)
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end
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Typhoeus.stub(/\/arcgis\/rest\/(.*)query$/) do |request|
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response_body = File.read(absolute_filepath)
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response_body = ::JSON.parse(response_body)
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request_body = request.options[:body]
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requested_object_id = nil
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lower_match = nil
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upper_match = nil
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if request_body[:objectIds]
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requested_object_id = request_body[:objectIds]
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else
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lower_match = /OBJECTID\s+>=(\d+)/ =~ request.options[:body][:where]
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upper_match = /OBJECTID\s+<=(\d+)/ =~ request.options[:body][:where]
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end
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response_body['features'] = response_body['features'].select do |f|
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object_id = f['attributes']['OBJECTID']
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if requested_object_id
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object_id == requested_object_id
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elsif lower_match && upper_match
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object_id >= lower_match[1].to_i && object_id <= upper_match[1].to_i
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elsif lower_match
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object_id >= lower_match[1].to_i
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elsif upper_match
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object_id <= upper_match[1].to_i
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end
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end
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Typhoeus::Response.new(
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code: 200,
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headers: { 'Content-Type' => 'application/json' },
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body: ::JSON.dump(response_body)
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)
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end
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end
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end
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