More ruby warning fixes.

spec/mixin_queryable_spec.rb

@@ -29,7 +29,7 @@
     end
 
     context "Querying for solutions from a BGP" do
-      let(:query) { query = RDF::Query.new {pattern %i(s p o)} }
+      let(:query) { RDF::Query.new {pattern %i(s p o)} }
       it "calls #query_execute" do
         is_expected.to receive(:query_execute)
         is_expected.not_to receive(:query_pattern)

spec/model_list_spec.rb

@@ -163,14 +163,13 @@
       context :with_transaction do
         it "uses a transaction for the graph" do
           n = RDF::Node.new
-          l = RDF::List.new(subject: n, graph: graph, wrap_transaction: true) do |list|
+          RDF::List.new(subject: n, graph: graph, wrap_transaction: true) do |list|
             expect(list.graph).to be_a(RDF::Transaction)
             expect(list.graph).not_to equal graph
           end
         end
 
         it "adds values in a transaction" do
-          n = RDF::Node.new
           l = RDF::List.new(graph: graph, wrap_transaction: true) do |list|
             list << RDF::Literal(1)
             expect(graph.first_object(subject: list.subject, predicate: RDF.first)).to be_nil
@@ -180,7 +179,6 @@
         end
 
         it "rollback added values in a transaction" do
-          n = RDF::Node.new
           l = RDF::List.new(graph: graph, wrap_transaction: true) do |list|
             list << RDF::Literal(1)
             expect(graph.first_object(subject: list.subject, predicate: RDF.first)).to be_nil

spec/model_uri_spec.rb

@@ -379,9 +379,9 @@
         end
       end
 
-      %W(` ^ \\ \u0000 \u0001 \u0002 \u0003 \u0004 \u0005 \u0006
+      (%W(` ^ \\ \u0000 \u0001 \u0002 \u0003 \u0004 \u0005 \u0006
          \u0010 \u0020 \u003c \u003e \u0022 \u007b \u007d) +
-      [" ", "<", ">", "'" '"'].each do |c|
+      [" ", "<", ">", "'" '"']).each do |c|
         it "does not validate <http://example/#{c}>" do
           expect(RDF::URI("http://example/#{c}")).not_to be_valid
         end

spec/nquads_spec.rb

@@ -14,7 +14,7 @@
   subject { described_class }
 
   describe ".for" do
-    formats = [
+    [
       :nquads,
       'etc/doap.nq',
       {file_name:      'etc/doap.nq'},
@@ -99,7 +99,7 @@
   end
 
   describe ".for" do
-    formats = [
+    [
       :nquads,
       'etc/doap.nq',
       {file_name:      'etc/doap.nq'},
@@ -236,7 +236,7 @@
   subject { RDF::NQuads::Writer.new }
 
   describe ".for" do
-    formats = [
+    [
       :nquads,
       'etc/doap.nq',
       {file_name:      'etc/doap.nq'},

spec/query_spec.rb

@@ -968,7 +968,7 @@
   context "Examples" do
     let!(:graph) {RDF::Graph.new.insert(RDF::Spec.triples.extend(RDF::Enumerable))}
     subject {
-      query = RDF::Query.new do
+      RDF::Query.new do
         pattern [:person, RDF.type,  FOAF.Person]
         pattern [:person, FOAF.name, :name]
         pattern [:person, FOAF.mbox, :email]

spec/reader_spec.rb

@@ -59,7 +59,6 @@
 
     it "uses content type in preference to file extension" do
       uri = "http://example/foo.nq"
-      accept = (RDF::Format.accept_types + %w(*/*;q=0.1)).join(", ")
       reader_mock = double("reader")
       expect(reader_mock).to receive(:got_here)
       WebMock.
@@ -74,7 +73,6 @@
 
     it "ignores content type 'text/plain'" do
       uri = "http://example/foo.ttl"
-      accept = (RDF::Format.accept_types + %w(*/*;q=0.1)).join(", ")
       reader_mock = double("reader")
       expect(reader_mock).to receive(:got_here)
       WebMock.

spec/util_logger_spec.rb

@@ -48,7 +48,7 @@ def initialize(logger = nil)
 
       it "adds locaton to log message" do
         expect {subject.log_fatal("foo")}.to raise_error(StandardError)
-        expect(subject.logger.to_s).to match /Called from #{File.expand_path("", __FILE__)}:#{__LINE__-1}/
+        expect(subject.logger.to_s).to match(/Called from #{File.expand_path("", __FILE__)}:#{__LINE__-1}/)
       end
 
       it "logs to $stderr if logger not configured" do