add tests for formula path shortucut 3

Library/Homebrew/rubocops/lines_cop.rb

@@ -124,15 +124,15 @@ module RuboCop
             problem "\"\#\{share}#{match[1]}\" should be \"\#{#{match[2]}}\""
           end
 
-          formula_path_strings(body_node, :share) do |p|
-            if match = regex_match_group(p, %r{/(bin|include|libexec|lib|sbin|share|Frameworks)}i)
-              problem "\"\#\{prefix}#{match[1]}\" should be \"\#{#{match[1].downcase}}\""
+          formula_path_strings(body_node, :prefix) do |p|
+            if match = regex_match_group(p, %r{(/share/(info|man))$})
+              problem "\"\#\{prefix}#{match[1]}\" should be \"\#{#{match[2]}}\""
             end
-            if match = regex_match_group(p, %r{((/share/man/|\#\{man\}/)(man[1-8]))})
+            if match = regex_match_group(p, %r{((/share/man/)(man[1-8]))})
               problem "\"\#\{prefix}#{match[1]}\" should be \"\#{#{match[3]}}\""
             end
-            if match = regex_match_group(p, %r{(/share/(info|man))})
-              problem "\"\#\{prefix}#{match[1]}\" should be \"\#{#{match[2]}}\""
+            if match = regex_match_group(p, %r{(/(bin|include|libexec|lib|sbin|share|Frameworks))}i)
+              problem "\"\#\{prefix}#{match[1]}\" should be \"\#{#{match[2].downcase}}\""
             end
           end
 
@@ -350,7 +350,8 @@ module RuboCop
         EOS
 
         def_node_search :formula_path_strings, <<-EOS.undent
-          (dstr (begin (send nil %1)) $(str _ ))
+          {(dstr (begin (send nil %1)) $(str _ ))
+           (dstr _ (begin (send nil %1)) $(str _ ))}
         EOS
 
         def_node_matcher :negation?, '(send ... :!)'

Library/Homebrew/test/rubocops/lines_cop_spec.rb

@@ -979,6 +979,78 @@ describe RuboCop::Cop::FormulaAudit::Miscellaneous do
         expect_offense(expected, actual)
       end
     end
+
+    it "with formula path shortcut long form 1" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          def install
+            mv "\#{prefix}/libexec", share
+          end
+        end
+      EOS
+
+      expected_offenses = [{  message: "\"\#\{prefix}/libexec\" should be \"\#{libexec}\"",
+                              severity: :convention,
+                              line: 5,
+                              column: 18,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+
+    it "with formula path shortcut long form 2" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          def install
+            system "./configure", "--INFODIR=\#{prefix}/share/info"
+          end
+        end
+      EOS
+
+      expected_offenses = [{  message: "\"\#\{prefix}/share/info\" should be \"\#{info}\"",
+                              severity: :convention,
+                              line: 5,
+                              column: 47,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+    it "with formula path shortcut long form 3" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          def install
+            system "./configure", "--MANDIR=\#{prefix}/share/man/man8"
+          end
+        end
+      EOS
+
+      expected_offenses = [{  message: "\"\#\{prefix}/share/man/man8\" should be \"\#{man8}\"",
+                              severity: :convention,
+                              line: 5,
+                              column: 46,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+
   end
   def expect_offense(expected, actual)
     expect(actual.message).to eq(expected[:message])