Allow for random statement order in writer. Use normalized language s…

…trings.

.travis.yml

@@ -8,6 +8,7 @@ rvm:
   - 2.0
   - 2.1
   - 2.2.4
+  - 2.3.0
   - jruby-9.0.4.0
   - rbx-2
 cache: bundler

spec/reader_spec.rb

@@ -229,9 +229,9 @@
     end
 
     it "should allow mixed-case language" do
-      trig = %({:x2 :p "xyz"@EN .})
+      trig = %({:x2 :p "xyz"@en .})
       statement = parse(trig, prefixes: {nil => ''}).statements.to_a.first
-      expect(statement.object.to_ntriples).to eq %("xyz"@EN)
+      expect(statement.object.to_ntriples).to eq %("xyz"@en)
     end
 
     it "should create typed literals" do

spec/writer_spec.rb

@@ -165,7 +165,7 @@
 
   def parse(input, options = {})
     reader = RDF::Reader.for(options.fetch(:format, :trig))
-    RDF::Repository.new << reader.new(input, options)
+    reader.new(input, options, &:each).to_a.extend(RDF::Enumerable)
   end
 
   # Serialize ntstr to a string and compare against regexps
@@ -183,7 +183,7 @@ def serialize(ntstr, base = nil, regexps = [], options = {})
     end
 
     regexps.each do |re|
-      expect(result).to match_re(re, about: base, debug: @debug, input: ntstr)
+      expect(result).to match_re(re, about: base, logger: logger, input: ntstr)
     end
 
     result