aliases_spec.rb in regexp_parser-1.5.1

- old
+ new
@@ -1,116 +1,32 @@
 require 'spec_helper'
 
 RSpec.describe(Regexp::Syntax) do
-  specify('syntax alias 1 8 6') do
-    syntax = Regexp::Syntax.new('ruby/1.8.6')
-
-    expect(syntax).to be_a(Regexp::Syntax::V1_8_6)
+  RSpec.shared_examples 'syntax alias' do |string, klass|
+    it "aliases #{string} to #{klass}" do
+      syntax = Regexp::Syntax.new(string)
+      expect(syntax).to be_a klass
+    end
   end
 
-  specify('syntax alias 1 8 alias') do
-    syntax = Regexp::Syntax.new('ruby/1.8')
-
-    expect(syntax).to be_a(Regexp::Syntax::V1_8_6)
-  end
-
-  specify('syntax alias 1 9 1') do
-    syntax = Regexp::Syntax.new('ruby/1.9.1')
-
-    expect(syntax).to be_a(Regexp::Syntax::V1_9_1)
-  end
-
-  specify('syntax alias 1 9 alias') do
-    syntax = Regexp::Syntax.new('ruby/1.9')
-
-    expect(syntax).to be_a(Regexp::Syntax::V1_9_3)
-  end
-
-  specify('syntax alias 2 0 0') do
-    syntax = Regexp::Syntax.new('ruby/2.0.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V1_9)
-  end
-
-  specify('syntax alias 2 0 alias') do
-    syntax = Regexp::Syntax.new('ruby/2.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_0_0)
-  end
-
-  specify('syntax alias 2 1 alias') do
-    syntax = Regexp::Syntax.new('ruby/2.1')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_0_0)
-  end
-
-  specify('syntax alias 2 2 0') do
-    syntax = Regexp::Syntax.new('ruby/2.2.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_0_0)
-  end
-
-  specify('syntax alias 2 2 10') do
-    syntax = Regexp::Syntax.new('ruby/2.2.10')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_0_0)
-  end
-
-  specify('syntax alias 2 2 alias') do
-    syntax = Regexp::Syntax.new('ruby/2.2')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_0_0)
-  end
-
-  specify('syntax alias 2 3 0') do
-    syntax = Regexp::Syntax.new('ruby/2.3.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_3_0)
-  end
-
-  specify('syntax alias 2 3') do
-    syntax = Regexp::Syntax.new('ruby/2.3')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_3_0)
-  end
-
-  specify('syntax alias 2 4 0') do
-    syntax = Regexp::Syntax.new('ruby/2.4.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_4_0)
-  end
-
-  specify('syntax alias 2 4 1') do
-    syntax = Regexp::Syntax.new('ruby/2.4.1')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_4_1)
-  end
-
-  specify('syntax alias 2 5 0') do
-    syntax = Regexp::Syntax.new('ruby/2.5.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_4_1)
-    expect(syntax).to be_a(Regexp::Syntax::V2_5_0)
-  end
-
-  specify('syntax alias 2 5') do
-    syntax = Regexp::Syntax.new('ruby/2.5')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_5_0)
-  end
-
-  specify('syntax alias 2 6 0') do
-    syntax = Regexp::Syntax.new('ruby/2.6.0')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_5_0)
-    expect(syntax).to be_a(Regexp::Syntax::V2_6_0)
-  end
-
-  specify('syntax alias 2 6') do
-    syntax = Regexp::Syntax.new('ruby/2.6')
-
-    expect(syntax).to be_a(Regexp::Syntax::V2_5_0)
-  end
+  include_examples 'syntax alias', 'ruby/1.8.6',  Regexp::Syntax::V1_8_6
+  include_examples 'syntax alias', 'ruby/1.8',    Regexp::Syntax::V1_8_6
+  include_examples 'syntax alias', 'ruby/1.9.1',  Regexp::Syntax::V1_9_1
+  include_examples 'syntax alias', 'ruby/1.9',    Regexp::Syntax::V1_9_3
+  include_examples 'syntax alias', 'ruby/2.0.0',  Regexp::Syntax::V1_9
+  include_examples 'syntax alias', 'ruby/2.0',    Regexp::Syntax::V2_0_0
+  include_examples 'syntax alias', 'ruby/2.1',    Regexp::Syntax::V2_0_0
+  include_examples 'syntax alias', 'ruby/2.2.0',  Regexp::Syntax::V2_0_0
+  include_examples 'syntax alias', 'ruby/2.2.10', Regexp::Syntax::V2_0_0
+  include_examples 'syntax alias', 'ruby/2.2',    Regexp::Syntax::V2_0_0
+  include_examples 'syntax alias', 'ruby/2.3.0',  Regexp::Syntax::V2_3_0
+  include_examples 'syntax alias', 'ruby/2.3',    Regexp::Syntax::V2_3_0
+  include_examples 'syntax alias', 'ruby/2.4.0',  Regexp::Syntax::V2_4_0
+  include_examples 'syntax alias', 'ruby/2.4.1',  Regexp::Syntax::V2_4_1
+  include_examples 'syntax alias', 'ruby/2.5.0',  Regexp::Syntax::V2_4_1
+  include_examples 'syntax alias', 'ruby/2.5',    Regexp::Syntax::V2_5_0
+  include_examples 'syntax alias', 'ruby/2.6.0',  Regexp::Syntax::V2_5_0
+  include_examples 'syntax alias', 'ruby/2.6',    Regexp::Syntax::V2_5_0
 
   specify('future alias warning') do
     expect { Regexp::Syntax.new('ruby/5.0') }
       .to output(/This library .* but you are running .* \(feature set of .*\)/)
       .to_stderr