the rest client dependency
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deps/rest-client
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deps/rest-client
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Subproject commit d484781d75ff5f986412103f9f68b6be6fc223fc
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47
deps/rest-client/README
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47
deps/rest-client/README
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= REST Client -- simple DSL for accessing REST resources
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A simple REST client for Ruby, inspired by the microframework (Camping,
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Sinatra...) style of specifying actions: get, put, post, delete.
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== Usage: Raw URL
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require 'rest_client'
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xml = RestClient.get 'http://some/resource'
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jpg = RestClient.get 'http://some/resource', :accept => 'image/jpg'
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RestClient.put 'http://some/resource', File.read('my.pdf'), :content_type => 'application/pdf'
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RestClient.post 'http://some/resource', xml, :content_type => 'application/xml'
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RestClient.delete 'http://some/resource'
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See RestClient module docs for details.
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== Usage: ActiveResource-Style
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resource = RestClient::Resource.new 'http://some/resource'
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resource.get
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protected_resource = RestClient::Resource.new 'http://protected/resource', 'user', 'pass'
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protected_resource.put File.read('pic.jpg'), :content_type => 'image/jpg'
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See RestClient::Resource module docs for details.
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== Shell
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Require rest_client from within irb to access RestClient interactively, like
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using curl at the command line. Better yet, require gem from within your
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~/.rush/env.rb and have instant access to it from within your rush
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(http://rush.heroku.com) sessions.
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== Meta
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Written by Adam Wiggins (adam at heroku dot com)
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Released under the MIT License: http://www.opensource.org/licenses/mit-license.php
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http://rest-client.heroku.com
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http://github.com/adamwiggins/rest-client
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82
deps/rest-client/Rakefile
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82
deps/rest-client/Rakefile
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require 'rake'
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require 'spec/rake/spectask'
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desc "Run all specs"
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Spec::Rake::SpecTask.new('spec') do |t|
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t.spec_files = FileList['spec/*_spec.rb']
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end
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desc "Print specdocs"
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Spec::Rake::SpecTask.new(:doc) do |t|
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t.spec_opts = ["--format", "specdoc", "--dry-run"]
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t.spec_files = FileList['spec/*_spec.rb']
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end
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desc "Run all examples with RCov"
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Spec::Rake::SpecTask.new('rcov') do |t|
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t.spec_files = FileList['spec/*_spec.rb']
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t.rcov = true
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t.rcov_opts = ['--exclude', 'examples']
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end
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task :default => :spec
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######################################################
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require 'rake'
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require 'rake/testtask'
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require 'rake/clean'
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require 'rake/gempackagetask'
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require 'rake/rdoctask'
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require 'fileutils'
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version = "0.2"
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name = "rest-client"
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spec = Gem::Specification.new do |s|
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s.name = name
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s.version = version
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s.summary = "Simple REST client for Ruby, inspired by microframework syntax for specifying actions."
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s.description = "A simple REST client for Ruby, inspired by the microframework (Camping, Sinatra...) style of specifying actions: get, put, post, delete."
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s.author = "Adam Wiggins"
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s.email = "adam@heroku.com"
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s.homepage = "http://rest-client.heroku.com/"
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s.rubyforge_project = "rest-client"
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s.platform = Gem::Platform::RUBY
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s.has_rdoc = true
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s.files = %w(Rakefile) + Dir.glob("{lib,spec}/**/*")
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s.require_path = "lib"
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end
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Rake::GemPackageTask.new(spec) do |p|
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p.need_tar = true if RUBY_PLATFORM !~ /mswin/
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end
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task :install => [ :package ] do
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sh %{sudo gem install pkg/#{name}-#{version}.gem}
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end
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task :uninstall => [ :clean ] do
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sh %{sudo gem uninstall #{name}}
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end
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Rake::TestTask.new do |t|
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t.libs << "spec"
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t.test_files = FileList['spec/*_spec.rb']
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t.verbose = true
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end
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Rake::RDocTask.new do |t|
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t.rdoc_dir = 'rdoc'
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t.title = "rest-client, fetch RESTful resources effortlessly"
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t.options << '--line-numbers' << '--inline-source' << '-A cattr_accessor=object'
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t.options << '--charset' << 'utf-8'
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t.rdoc_files.include('README')
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t.rdoc_files.include('lib/*.rb')
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end
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CLEAN.include [ 'pkg', '*.gem', '.config' ]
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58
deps/rest-client/lib/resource.rb
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58
deps/rest-client/lib/resource.rb
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module RestClient
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# A class that can be instantiated for access to a RESTful resource,
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# including authentication.
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#
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# Example:
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#
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# resource = RestClient::Resource.new('http://some/resource')
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# jpg = resource.get(:accept => 'image/jpg')
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#
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# With HTTP basic authentication:
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#
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# resource = RestClient::Resource.new('http://protected/resource', 'user', 'pass')
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# resource.delete
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#
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class Resource
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attr_reader :url, :user, :password
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def initialize(url, user=nil, password=nil)
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@url = url
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@user = user
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@password = password
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end
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def get(headers={})
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Request.execute(:method => :get,
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:url => url,
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:user => user,
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:password => password,
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:headers => headers)
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end
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def post(payload, headers={})
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Request.execute(:method => :post,
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:url => url,
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:payload => payload,
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:user => user,
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:password => password,
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:headers => headers)
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end
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def put(payload, headers={})
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Request.execute(:method => :put,
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:url => url,
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:payload => payload,
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:user => user,
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:password => password,
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:headers => headers)
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end
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def delete(headers={})
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Request.execute(:method => :delete,
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:url => url,
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:user => user,
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:password => password,
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:headers => headers)
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end
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end
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end
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122
deps/rest-client/lib/rest_client.rb
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122
deps/rest-client/lib/rest_client.rb
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require 'uri'
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require 'net/http'
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require File.dirname(__FILE__) + '/resource'
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# This module's static methods are the entry point for using the REST client.
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module RestClient
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def self.get(url, headers={})
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Request.execute(:method => :get,
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:url => url,
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:headers => headers)
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end
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def self.post(url, payload, headers={})
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Request.execute(:method => :post,
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:url => url,
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:payload => payload,
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:headers => headers)
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end
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def self.put(url, payload, headers={})
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Request.execute(:method => :put,
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:url => url,
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:payload => payload,
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:headers => headers)
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end
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def self.delete(url, headers={})
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Request.execute(:method => :delete,
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:url => url,
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:headers => headers)
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end
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# Internal class used to build and execute the request.
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class Request
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attr_reader :method, :url, :payload, :headers, :user, :password
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def self.execute(args)
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new(args).execute
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end
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def initialize(args)
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@method = args[:method] or raise ArgumentError, "must pass :method"
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@url = args[:url] or raise ArgumentError, "must pass :url"
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@payload = args[:payload]
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@headers = args[:headers] || {}
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@user = args[:user]
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@password = args[:password]
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end
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def execute
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execute_inner
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rescue Redirect => e
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@url = e.message
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execute
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end
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def execute_inner
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uri = parse_url(url)
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transmit uri, net_http_class(method).new(uri.path, make_headers(headers)), payload
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end
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def make_headers(user_headers)
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final = {}
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merged = default_headers.merge(user_headers)
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merged.keys.each do |key|
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final[key.to_s.gsub(/_/, '-').capitalize] = merged[key]
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end
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final
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end
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def net_http_class(method)
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Object.module_eval "Net::HTTP::#{method.to_s.capitalize}"
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end
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def parse_url(url)
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url = "http://#{url}" unless url.match(/^http/)
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URI.parse(url)
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end
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# A redirect was encountered; caught by execute to retry with the new url.
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class Redirect < Exception; end
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# Request failed with an unhandled http error code.
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class RequestFailed < Exception; end
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# Authorization is required to access the resource specified.
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class Unauthorized < Exception; end
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def transmit(uri, req, payload)
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setup_credentials(req)
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Net::HTTP.start(uri.host, uri.port) do |http|
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process_result http.request(req, payload || "")
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end
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end
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def setup_credentials(req)
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req.basic_auth(user, password) if user
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end
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def process_result(res)
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if %w(200 201 202).include? res.code
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res.body
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elsif %w(301 302 303).include? res.code
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raise Redirect, res.header['Location']
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elsif res.code == "401"
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raise Unauthorized
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else
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raise RequestFailed, error_message(res)
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end
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end
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def error_message(res)
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"HTTP code #{res.code}: #{res.body}"
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end
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def default_headers
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{ :accept => 'application/xml' }
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end
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end
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end
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4
deps/rest-client/spec/base.rb
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4
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require 'rubygems'
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require 'spec'
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require File.dirname(__FILE__) + '/../lib/rest_client'
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deps/rest-client/spec/resource_spec.rb
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31
deps/rest-client/spec/resource_spec.rb
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require File.dirname(__FILE__) + '/base'
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describe RestClient::Resource do
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before do
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@resource = RestClient::Resource.new('http://some/resource', 'jane', 'mypass')
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end
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it "GET" do
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RestClient::Request.should_receive(:execute).with(:method => :get, :url => 'http://some/resource', :headers => {}, :user => 'jane', :password => 'mypass')
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@resource.get
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end
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it "POST" do
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RestClient::Request.should_receive(:execute).with(:method => :post, :url => 'http://some/resource', :payload => 'abc', :headers => { :content_type => 'image/jpg' }, :user => 'jane', :password => 'mypass')
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@resource.post 'abc', :content_type => 'image/jpg'
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end
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it "PUT" do
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RestClient::Request.should_receive(:execute).with(:method => :put, :url => 'http://some/resource', :payload => 'abc', :headers => { :content_type => 'image/jpg' }, :user => 'jane', :password => 'mypass')
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@resource.put 'abc', :content_type => 'image/jpg'
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end
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it "DELETE" do
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RestClient::Request.should_receive(:execute).with(:method => :delete, :url => 'http://some/resource', :headers => {}, :user => 'jane', :password => 'mypass')
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@resource.delete
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end
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it "can instantiate with no user/password" do
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@resource = RestClient::Resource.new('http://some/resource')
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end
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end
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141
deps/rest-client/spec/rest_client_spec.rb
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141
deps/rest-client/spec/rest_client_spec.rb
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require File.dirname(__FILE__) + '/base'
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describe RestClient do
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context "public API" do
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it "GET" do
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RestClient::Request.should_receive(:execute).with(:method => :get, :url => 'http://some/resource', :headers => {})
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RestClient.get('http://some/resource')
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end
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it "POST" do
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RestClient::Request.should_receive(:execute).with(:method => :post, :url => 'http://some/resource', :payload => 'payload', :headers => {})
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RestClient.post('http://some/resource', 'payload')
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end
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it "PUT" do
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RestClient::Request.should_receive(:execute).with(:method => :put, :url => 'http://some/resource', :payload => 'payload', :headers => {})
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RestClient.put('http://some/resource', 'payload')
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end
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it "DELETE" do
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RestClient::Request.should_receive(:execute).with(:method => :delete, :url => 'http://some/resource', :headers => {})
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RestClient.delete('http://some/resource')
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end
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end
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context RestClient::Request do
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before do
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@request = RestClient::Request.new(:method => :put, :url => 'http://some/resource', :payload => 'payload')
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@uri = mock("uri")
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@uri.stub!(:path).and_return('/resource')
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@uri.stub!(:host).and_return('some')
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@uri.stub!(:port).and_return(80)
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end
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it "requests xml mimetype" do
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@request.default_headers[:accept].should == 'application/xml'
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end
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it "processes a successful result" do
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res = mock("result")
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res.stub!(:code).and_return("200")
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res.stub!(:body).and_return('body')
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@request.process_result(res).should == 'body'
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end
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it "parses a url into a URI object" do
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URI.should_receive(:parse).with('http://example.com/resource')
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@request.parse_url('http://example.com/resource')
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end
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it "adds http:// to the front of resources specified in the syntax example.com/resource" do
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URI.should_receive(:parse).with('http://example.com/resource')
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@request.parse_url('example.com/resource')
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end
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it "determines the Net::HTTP class to instantiate by the method name" do
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@request.net_http_class(:put).should == Net::HTTP::Put
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end
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it "merges user headers with the default headers" do
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@request.should_receive(:default_headers).and_return({ '1' => '2' })
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@request.make_headers('3' => '4').should == { '1' => '2', '3' => '4' }
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end
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it "prefers the user header when the same header exists in the defaults" do
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@request.should_receive(:default_headers).and_return({ '1' => '2' })
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@request.make_headers('1' => '3').should == { '1' => '3' }
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end
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it "converts header symbols from :content_type to 'Content-type'" do
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@request.should_receive(:default_headers).and_return({})
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@request.make_headers(:content_type => 'abc').should == { 'Content-type' => 'abc' }
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end
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it "executes by constructing the Net::HTTP object, headers, and payload and calling transmit" do
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@request.should_receive(:parse_url).with('http://some/resource').and_return(@uri)
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klass = mock("net:http class")
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@request.should_receive(:net_http_class).with(:put).and_return(klass)
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klass.should_receive(:new).and_return('result')
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@request.should_receive(:transmit).with(@uri, 'result', 'payload')
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@request.execute_inner
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end
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it "transmits the request with Net::HTTP" do
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http = mock("net::http connection")
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Net::HTTP.should_receive(:start).and_yield(http)
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http.should_receive(:request).with('req', 'payload')
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@request.should_receive(:process_result)
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@request.transmit(@uri, 'req', 'payload')
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end
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it "doesn't send nil payloads" do
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http = mock("net::http connection")
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Net::HTTP.should_receive(:start).and_yield(http)
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http.should_receive(:request).with('req', '')
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@request.should_receive(:process_result)
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@request.transmit(@uri, 'req', nil)
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end
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it "sets up the credentials prior to the request" do
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http = mock("net::http connection")
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Net::HTTP.should_receive(:start).and_yield(http)
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http.stub!(:request)
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@request.stub!(:process_result)
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@request.stub!(:user).and_return('joe')
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@request.stub!(:password).and_return('mypass')
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@request.should_receive(:setup_credentials).with('req')
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@request.transmit(@uri, 'req', nil)
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end
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it "does not attempt to send any credentials if user is nil" do
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@request.stub!(:user).and_return(nil)
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req = mock("request")
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req.should_not_receive(:basic_auth)
|
||||
@request.setup_credentials(req)
|
||||
end
|
||||
|
||||
it "does not attempt to send any credentials if user is nil" do
|
||||
@request.stub!(:user).and_return('joe')
|
||||
@request.stub!(:password).and_return('mypass')
|
||||
req = mock("request")
|
||||
req.should_receive(:basic_auth).with('joe', 'mypass')
|
||||
@request.setup_credentials(req)
|
||||
end
|
||||
|
||||
it "execute calls execute_inner" do
|
||||
@request.should_receive(:execute_inner)
|
||||
@request.execute
|
||||
end
|
||||
|
||||
it "class method execute wraps constructor" do
|
||||
req = mock("rest request")
|
||||
RestClient::Request.should_receive(:new).with(1 => 2).and_return(req)
|
||||
req.should_receive(:execute)
|
||||
RestClient::Request.execute(1 => 2)
|
||||
end
|
||||
end
|
||||
end
|
Loading…
Reference in a new issue