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cbeercbeer
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Move HttpAdapter test into rdf-spec
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‎lib/rdf/spec/http_adapter.rb‎

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require 'rdf/spec'
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require 'webmock/rspec'
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module RDF_HttpAdapter
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extend RSpec::SharedContext
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DOAP_FILE = File.expand_path("../../../../etc/doap.nt", __FILE__)
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before(:each) do
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raise '+@http_adapter+ must be defined in a before(:each) block' unless instance_variable_get('@http_adapter')
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end
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let(:uri) {"http://ruby-rdf.github.com/rdf/etc/doap.nt"}
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let(:opened) {double("opened")}
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before(:each) do
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expect(opened).to receive(:opened)
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end
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context "using a HTTP client" do
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before do
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RDF::Util::File.http_adapter = @http_adapter
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end
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after do
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RDF::Util::File.http_adapter = nil
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end
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it "returns an http URL" do
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WebMock.stub_request(:get, uri).
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to_return(body: File.read(DOAP_FILE),
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status: 200,
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headers: { 'Content-Type' => RDF::NTriples::Format.content_type.first})
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f = RDF::Util::File.open_file(uri)
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expect(f).to respond_to(:read)
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expect(f.content_type).to eq RDF::NTriples::Format.content_type.first
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expect(f.code).to eq 200
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opened.opened
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end
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it "adds Accept header using defined readers" do
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content_types = RDF::Reader.map {|r| r.format.content_type}.flatten.uniq
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WebMock.stub_request(:get, uri).with do |request|
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expect(request.headers['Accept']).to include(*content_types)
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end.to_return(body: "foo")
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RDF::Util::File.open_file(uri) do |f|
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opened.opened
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end
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end
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it "adds Accept header with low-priority */*" do
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WebMock.stub_request(:get, uri).with do |request|
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expect(request.headers['Accept']).to include('*/*;q=0.1')
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end.to_return(body: "foo")
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RDF::Util::File.open_file(uri) do |f|
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opened.opened
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end
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end
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it "used provided Accept header" do
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WebMock.stub_request(:get, uri).with do |request|
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expect(request.headers["Accept"]).to include('a/b')
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end.to_return(body: "foo")
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RDF::Util::File.open_file(uri, headers: {"Accept" => "a/b"}) do |f|
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opened.opened
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end
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end
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it "sets content_type and encoding to utf-8 if absent" do
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WebMock.stub_request(:get, uri).to_return(body: "foo", headers: {"Content-Type" => "text/turtle"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.content_type).to eq "text/turtle"
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expect(f.charset).to eq Encoding::UTF_8
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expect(f.content_encoding).to eq "utf-8"
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expect(f.external_encoding.to_s.downcase).to eq "utf-8"
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opened.opened
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end
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end
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it "sets content_type and encoding if provided" do
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WebMock.stub_request(:get, uri).to_return(body: "foo", headers: {"Content-Type" => "text/turtle ; charset=ISO-8859-4"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.content_type).to eq "text/turtle"
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expect(f.charset).to eq "ISO-8859-4"
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expect(f.external_encoding.to_s.downcase).to eq "iso-8859-4"
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opened.opened
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end
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end
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it "sets last_modified if provided" do
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WebMock.stub_request(:get, uri).to_return(body: "foo", headers: {"Last-Modified" => "Thu, 24 Oct 2013 23:46:56 GMT"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.last_modified).to eq DateTime.parse("Thu, 24 Oct 2013 23:46:56 GMT")
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opened.opened
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end
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end
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it "sets etag if provided" do
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WebMock.stub_request(:get, uri).to_return(body: "foo", headers: {"ETag" => "abc123"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.etag).to eq "abc123"
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opened.opened
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end
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end
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it "sets arbitrary header" do
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WebMock.stub_request(:get, uri).to_return(body: "foo", headers: {"Foo" => "Bar"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.headers).to include(:foo => %(Bar))
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opened.opened
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end
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end
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context "redirects" do
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it "sets base_uri to resource" do
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WebMock.stub_request(:get, uri).to_return(body: "foo")
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RDF::Util::File.open_file(uri) do |f|
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expect(f.base_uri).to eq uri
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opened.opened
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end
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end
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it "sets base_uri to location if present" do
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WebMock.stub_request(:get, uri).to_return(body: "foo", headers: {"Location" => "http://example/"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.base_uri).to eq "http://example/"
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opened.opened
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end
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end
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it "follows 301 and uses new location" do
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WebMock.stub_request(:get, uri).to_return({status: 301, headers: {"Location" => "http://example/"}})
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WebMock.stub_request(:get, "http://example/").to_return({body: "foo"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.base_uri).to eq "http://example/"
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expect(f.read).to eq "foo"
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opened.opened
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end
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end
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it "follows 302 and uses new location" do
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WebMock.stub_request(:get, uri).to_return({status: 302, headers: {"Location" => "http://example/"}})
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WebMock.stub_request(:get, "http://example/").to_return({body: "foo"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.base_uri).to eq "http://example/"
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expect(f.read).to eq "foo"
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opened.opened
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end
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end
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it "follows 303 and uses new location" do
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WebMock.stub_request(:get, uri).to_return({status: 303, headers: {"Location" => "http://example/"}})
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WebMock.stub_request(:get, "http://example/").to_return({body: "foo"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.base_uri).to eq "http://example/"
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expect(f.read).to eq "foo"
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opened.opened
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end
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end
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it "follows 307 and uses new location" do
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WebMock.stub_request(:get, uri).to_return({status: 307, headers: {"Location" => "http://example/"}})
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WebMock.stub_request(:get, "http://example/").to_return({body: "foo"})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.base_uri).to eq "http://example/"
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expect(f.read).to eq "foo"
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opened.opened
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end
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end
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it "raises an IOError for HTTP 4xx status codes" do
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opened.opened
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WebMock.stub_request(:get, uri).to_return({status: 404})
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expect do
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RDF::Util::File.open_file(uri)
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end.to raise_exception IOError
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end
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it "raises an IOError for HTTP 5xx status codes" do
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opened.opened
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WebMock.stub_request(:get, uri).to_return({status: 500})
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expect do
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RDF::Util::File.open_file(uri)
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end.to raise_exception IOError
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end
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end
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context "proxy" do
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it "requests through proxy" do
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WebMock.stub_request(:get, uri).
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to_return(body: File.read(DOAP_FILE),
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status: 200,
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headers: { 'Content-Type' => RDF::NTriples::Format.content_type.first})
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RDF::Util::File.open_file(uri, proxy: "http://proxy.example.com") do |f|
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opened.opened
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end
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expect(WebMock).to have_requested(:get, uri)
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end
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end
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context "https" do
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let(:uri) {"https://some/secure/uri"}
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it "returns an https URL" do
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WebMock.stub_request(:get, uri).
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to_return(body: "foo",
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status: 200,
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headers: { 'Content-Type' => RDF::NTriples::Format.content_type.first})
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f = RDF::Util::File.open_file(uri)
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expect(f).to respond_to(:read)
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expect(f.content_type).to eq RDF::NTriples::Format.content_type.first
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expect(f.code).to eq 200
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opened.opened
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end
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end
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context "links" do
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{
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"no links" => [
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'',
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[]
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],
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"rel" => [
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'<http://example.com/foo>; rel="self"',
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[["http://example.com/foo", [%w(rel self)]]]
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],
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"rel-meta" => [
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'<http://example.com/>; rel="up"; meta="bar"',
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[["http://example.com/", [%w(rel up), %w(meta bar)]]]
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],
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'bar' => [
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'<http://example.com/>',
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[["http://example.com/", []]]
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],
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'two links' => [
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'<http://example.com/foo>; rel="self", <http://example.com/>; rel="up"; meta="bar"',
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[
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["http://example.com/foo", [%w(rel self)]],
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["http://example.com/", [%w(rel up), %w(meta bar)]]
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]
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]
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}.each do |name, (input, output)|
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it name do
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WebMock.stub_request(:get, uri).
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to_return(body: "content",
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status: 200,
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headers: {
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'Content-Type' => RDF::NTriples::Format.content_type.first,
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'Link' => input
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})
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RDF::Util::File.open_file(uri) do |f|
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expect(f).to respond_to(:read)
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expect(f.links.to_a).to eq output
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opened.opened
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end
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end
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end
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it "can find a link using #find_link" do
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WebMock.stub_request(:get, uri).
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to_return(body: "content",
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status: 200,
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headers: {
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'Content-Type' => RDF::NTriples::Format.content_type.first,
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'Link' => '<http://example.com/foo> rel="describedby" type="application/n-triples"'
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})
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RDF::Util::File.open_file(uri) do |f|
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expect(f.links.find_link(['rel', 'describedby']).to_a).to eq ['http://example.com/foo', [%w(rel describedby)]]
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opened.opened
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end
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end
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end
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end
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end

‎rdf-spec.gemspec‎

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@@ -30,6 +30,7 @@ Gem::Specification.new do |gem|
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gem.add_runtime_dependency 'rdf', '~> 1.1'
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gem.add_runtime_dependency 'rspec', '~> 3.0'
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gem.add_runtime_dependency 'rspec-its', '~> 1.0'
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gem.add_runtime_dependency 'webmock', '~> 1.17'
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gem.add_development_dependency 'yard' , '~> 0.8'
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gem.post_install_message = nil
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end

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