Merge pull request #1247 from gpakosz/pattern-from-symbol

Allow creation of Pattern from Symbol

lib/nanoc/base/entities/pattern.rb

@@ -14,6 +14,8 @@ def self.from(obj)
         Nanoc::Int::StringPattern.new(obj)
       when Regexp
         Nanoc::Int::RegexpPattern.new(obj)
+      when Symbol
+        Nanoc::Int::StringPattern.new(obj.to_s)
       else
         raise ArgumentError, "Do not know how to convert `#{obj.inspect}` into a Nanoc::Pattern"
       end

spec/nanoc/base/entities/pattern_spec.rb

@@ -21,6 +21,12 @@
       expect(pattern.match?('/foo/xyz/bar.html')).to eql(false)
     end
 
+    it 'converts from symbol' do
+      pattern = described_class.from(:'/foo/x[ab]z/bar.*')
+      expect(pattern.match?('/foo/xaz/bar.html')).to eql(true)
+      expect(pattern.match?('/foo/xyz/bar.html')).to eql(false)
+    end
+
     it 'errors on other inputs' do
       expect { described_class.from(123) }.to raise_error(ArgumentError)
     end