Move to Ruby 3.0, and RSpec expect syntax

.rubocop.yml

@@ -1,10 +1,12 @@
 require:
   - rubocop-rspec
   - rubocop-performance
-  
+
 AllCops:
   DisabledByDefault: false
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 3.0
+  NewCops: enable
+  SuggestExtensions: false
   Exclude:
       - 'xpath.gemspec'
 
@@ -123,6 +125,9 @@ Style/Documentation:
 Style/EvenOdd:
   Enabled: false
 
+Style/QuotedSymbols:
+  Enabled: false
+
 Lint/BooleanSymbol:
   Enabled: false
 
@@ -149,3 +154,6 @@ RSpec/DescribeClass:
 
 RSpec/FilePath:
   Enabled: false
+
+RSpec/MultipleExpectations:
+  Enabled: false

lib/xpath/renderer.rb

@@ -120,7 +120,7 @@ def with_element_conditions(expression, element_names)
     end
 
     def valid_xml_name?(name)
-      name =~ /^[a-zA-Z_:][a-zA-Z0-9_:.\-]*$/
+      name =~ /^[a-zA-Z_:][a-zA-Z0-9_:.-]*$/
     end
   end
 end

lib/xpath/union.rb

@@ -19,7 +19,7 @@ def each(&block)
       arguments.each(&block)
     end
 
-    def method_missing(*args) # rubocop:disable Style/MethodMissingSuper, Style/MissingRespondToMissing
+    def method_missing(*args) # rubocop:disable Style/MissingRespondToMissing
       XPath::Union.new(*arguments.map { |e| e.send(*args) })
     end
 

spec/spec_helper.rb

@@ -2,7 +2,3 @@
 
 require 'xpath'
 require 'pry'
-
-RSpec.configure do |config|
-  config.expect_with(:rspec) { |c| c.syntax = :should }
-end

spec/union_spec.rb

@@ -11,7 +11,7 @@
       @expr1 = XPath.generate { |x| x.descendant(:p) }
       @expr2 = XPath.generate { |x| x.descendant(:div) }
       @collection = XPath::Union.new(@expr1, @expr2)
-      @collection.expressions.should eq [@expr1, @expr2]
+      expect(@collection.expressions).to eq [@expr1, @expr2]
     end
   end
 
@@ -22,7 +22,7 @@
       @collection = XPath::Union.new(@expr1, @expr2)
       exprs = []
       @collection.each { |expr| exprs << expr }
-      exprs.should eq [@expr1, @expr2]
+      expect(exprs).to eq [@expr1, @expr2]
     end
   end
 
@@ -31,7 +31,7 @@
       @expr1 = XPath.generate { |x| x.descendant(:p) }
       @expr2 = XPath.generate { |x| x.descendant(:div) }
       @collection = XPath::Union.new(@expr1, @expr2)
-      @collection.map(&:expression).should eq %i[descendant descendant]
+      expect(@collection.map(&:expression)).to eq %i[descendant descendant]
     end
   end
 
@@ -41,9 +41,9 @@
       @expr2 = XPath.generate { |x| x.descendant(:div).where(x.attr(:id) == 'foo') }
       @collection = XPath::Union.new(@expr1, @expr2)
       @results = doc.xpath(@collection.to_xpath)
-      @results[0][:title].should eq 'fooDiv'
-      @results[1].text.should eq 'Blah'
-      @results[2].text.should eq 'Bax'
+      expect(@results[0][:title]).to eq 'fooDiv'
+      expect(@results[1].text).to eq 'Blah'
+      expect(@results[2].text).to eq 'Bax'
     end
   end
 
@@ -55,9 +55,9 @@
       @xpath1 = @collection.where(XPath.attr(:id) == 'foo').to_xpath
       @xpath2 = @collection.where(XPath.attr(:id) == 'fooDiv').to_xpath
       @results = doc.xpath(@xpath1)
-      @results[0][:title].should eq 'fooDiv'
+      expect(@results[0][:title]).to eq 'fooDiv'
       @results = doc.xpath(@xpath2)
-      @results[0][:id].should eq 'fooDiv'
+      expect(@results[0][:id]).to eq 'fooDiv'
     end
   end
 end