class Rswag::Specs::RequestFactory
Public Class Methods
new(config = ::Rswag::Specs.config)
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# File lib/rswag/specs/request_factory.rb, line 9 def initialize(config = ::Rswag::Specs.config) @config = config end
Public Instance Methods
build_request(metadata, example)
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# File lib/rswag/specs/request_factory.rb, line 13 def build_request(metadata, example) swagger_doc = @config.get_swagger_doc(metadata[:swagger_doc]) parameters = expand_parameters(metadata, swagger_doc, example) {}.tap do |request| add_verb(request, metadata) add_path(request, metadata, swagger_doc, parameters, example) add_headers(request, metadata, swagger_doc, parameters, example) add_payload(request, parameters, example) end end
Private Instance Methods
add_headers(request, metadata, swagger_doc, parameters, example)
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# File lib/rswag/specs/request_factory.rb, line 94 def add_headers(request, metadata, swagger_doc, parameters, example) tuples = parameters .select { |p| p[:in] == :header } .map { |p| [ p[:name], example.send(p[:name]).to_s ] } # Accept header produces = metadata[:operation][:produces] || swagger_doc[:produces] if produces accept = example.respond_to?(:'Accept') ? example.send(:'Accept') : produces.first tuples << [ 'Accept', accept ] end # Content-Type header consumes = metadata[:operation][:consumes] || swagger_doc[:consumes] if consumes content_type = example.respond_to?(:'Content-Type') ? example.send(:'Content-Type') : consumes.first tuples << [ 'Content-Type', content_type ] end # Rails test infrastructure requires rackified headers rackified_tuples = tuples.map do |pair| [ case pair[0] when 'Accept' then 'HTTP_ACCEPT' when 'Content-Type' then 'CONTENT_TYPE' when 'Authorization' then 'HTTP_AUTHORIZATION' else pair[0] end, pair[1] ] end request[:headers] = Hash[ rackified_tuples ] end
add_path(request, metadata, swagger_doc, parameters, example)
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# File lib/rswag/specs/request_factory.rb, line 61 def add_path(request, metadata, swagger_doc, parameters, example) template = (swagger_doc[:basePath] || '') + metadata[:path_item][:template] request[:path] = template.tap do |template| parameters.select { |p| p[:in] == :path }.each do |p| template.gsub!("{#{p[:name]}}", example.send(p[:name]).to_s) end parameters.select { |p| p[:in] == :query }.each_with_index do |p, i| template.concat(i == 0 ? '?' : '&') template.concat(build_query_string_part(p, example.send(p[:name]))) end end end
add_payload(request, parameters, example)
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# File lib/rswag/specs/request_factory.rb, line 129 def add_payload(request, parameters, example) content_type = request[:headers]['CONTENT_TYPE'] return if content_type.nil? if [ 'application/x-www-form-urlencoded', 'multipart/form-data' ].include?(content_type) request[:payload] = build_form_payload(parameters, example) else request[:payload] = build_json_payload(parameters, example) end end
add_verb(request, metadata)
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# File lib/rswag/specs/request_factory.rb, line 57 def add_verb(request, metadata) request[:verb] = metadata[:operation][:verb] end
build_form_payload(parameters, example)
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# File lib/rswag/specs/request_factory.rb, line 140 def build_form_payload(parameters, example) # See http://seejohncode.com/2012/04/29/quick-tip-testing-multipart-uploads-with-rspec/ # Rather that serializing with the appropriate encoding (e.g. multipart/form-data), # Rails test infrastructure allows us to send the values directly as a hash # PROS: simple to implement, CONS: serialization/deserialization is bypassed in test tuples = parameters .select { |p| p[:in] == :formData } .map { |p| [ p[:name], example.send(p[:name]) ] } Hash[ tuples ] end
build_json_payload(parameters, example)
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# File lib/rswag/specs/request_factory.rb, line 151 def build_json_payload(parameters, example) body_param = parameters.select { |p| p[:in] == :body }.first body_param ? example.send(body_param[:name]).to_json : nil end
build_query_string_part(param, value)
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# File lib/rswag/specs/request_factory.rb, line 76 def build_query_string_part(param, value) name = param[:name] return "#{name}=#{value.to_s}" unless param[:type].to_sym == :array case param[:collectionFormat] when :ssv "#{name}=#{value.join(' ')}" when :tsv "#{name}=#{value.join('\t')}" when :pipes "#{name}=#{value.join('|')}" when :multi value.map { |v| "#{name}=#{v}" }.join('&') else "#{name}=#{value.join(',')}" # csv is default end end
derive_security_params(metadata, swagger_doc)
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# File lib/rswag/specs/request_factory.rb, line 39 def derive_security_params(metadata, swagger_doc) requirements = metadata[:operation][:security] || swagger_doc[:security] || [] scheme_names = requirements.flat_map { |r| r.keys } schemes = (swagger_doc[:securityDefinitions] || {}).slice(*scheme_names).values schemes.map do |scheme| param = (scheme[:type] == :apiKey) ? scheme.slice(:name, :in) : { name: 'Authorization', in: :header } param.merge(type: :string, required: requirements.one?) end end
expand_parameters(metadata, swagger_doc, example)
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# File lib/rswag/specs/request_factory.rb, line 27 def expand_parameters(metadata, swagger_doc, example) operation_params = metadata[:operation][:parameters] || [] path_item_params = metadata[:path_item][:parameters] || [] security_params = derive_security_params(metadata, swagger_doc) # NOTE: Use of + instead of concat to avoid mutation of the metadata object (operation_params + path_item_params + security_params) .map { |p| p['$ref'] ? resolve_parameter(p['$ref'], swagger_doc) : p } .uniq { |p| p[:name] } .reject { |p| p[:required] == false && !example.respond_to?(p[:name]) } end
resolve_parameter(ref, swagger_doc)
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# File lib/rswag/specs/request_factory.rb, line 50 def resolve_parameter(ref, swagger_doc) key = ref.sub('#/parameters/', '').to_sym definitions = swagger_doc[:parameters] raise "Referenced parameter '#{ref}' must be defined" unless definitions && definitions[key] definitions[key] end