3 files changed, 61 insertions, 9 deletions
diff --git a/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb b/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb
index f6436d6a3..4e684be46 100644
--- a/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb
@@ -3,7 +3,7 @@ require "rubocop/rspec/support"
 require_relative "../../extend/string"
 require_relative "../../rubocops/formula_desc_cop"
 
-describe RuboCop::Cop::FormulaAuditStrict::Desc do
+describe RuboCop::Cop::FormulaAuditStrict::DescLength do
   subject(:cop) { described_class.new }
 
   context "When auditing formula desc" do
@@ -31,7 +31,7 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
       source = <<-EOS.undent
         class Foo < Formula
           url 'http://example.com/foo-1.0.tgz'
-          desc '#{"bar" * 30}'
+          desc 'Bar#{"bar" * 29}'
         end
       EOS
 
@@ -55,7 +55,7 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
       source = <<-EOS.undent
         class Foo < Formula
           url 'http://example.com/foo-1.0.tgz'
-          desc '#{"bar" * 10}'\
+          desc 'Bar#{"bar" * 9}'\
             '#{"foo" * 21}'
         end
       EOS
@@ -75,7 +75,13 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
         expect_offense(expected, actual)
       end
     end
+  end
+end
 
+describe RuboCop::Cop::FormulaAuditStrict::Desc do
+  subject(:cop) { described_class.new }
+
+  context "When auditing formula desc" do
     it "When wrong \"command-line\" usage in desc" do
       source = <<-EOS.undent
         class Foo < Formula
@@ -104,7 +110,27 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
         end
       EOS
 
-      expected_offenses = [{ message: "Description shouldn't start with an indefinite article (An )",
+      expected_offenses = [{ message: "Description shouldn't start with an indefinite article i.e. \"An\"",
+                             severity: :convention,
+                             line: 3,
+                             column: 8,
+                             source: source }]
+
+      inspect_source(cop, source)
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+
+    it "When an lowercase letter starts a desc" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          url 'http://example.com/foo-1.0.tgz'
+          desc 'bar'
+        end
+      EOS
+
+      expected_offenses = [{ message: "Description should start with a capital letter",
                              severity: :convention,
                              line: 3,
                              column: 8,
@@ -136,11 +162,22 @@ describe RuboCop::Cop::FormulaAuditStrict::Desc do
       end
     end
 
-    def expect_offense(expected, actual)
-      expect(actual.message).to eq(expected[:message])
-      expect(actual.severity).to eq(expected[:severity])
-      expect(actual.line).to eq(expected[:line])
-      expect(actual.column).to eq(expected[:column])
+    it "autocorrects all rules" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          url 'http://example.com/foo-1.0.tgz'
+          desc ' an bar: commandline foo '
+        end
+      EOS
+      correct_source = <<-EOS.undent
+        class Foo < Formula
+          url 'http://example.com/foo-1.0.tgz'
+          desc 'an bar: command-line'
+        end
+      EOS
+
+      corrected_source = autocorrect_source(cop, source)
+      expect(corrected_source).to eq(correct_source)
     end
   end
 end
diff --git a/Library/Homebrew/test/spec_helper.rb b/Library/Homebrew/test/spec_helper.rb
index e193b91a0..03b14720b 100644
--- a/Library/Homebrew/test/spec_helper.rb
+++ b/Library/Homebrew/test/spec_helper.rb
@@ -23,6 +23,7 @@ require "test/support/helper/shutup"
 require "test/support/helper/fixtures"
 require "test/support/helper/formula"
 require "test/support/helper/mktmpdir"
+require "test/support/helper/rubocop"
 
 require "test/support/helper/spec/shared_context/homebrew_cask" if OS.mac?
 require "test/support/helper/spec/shared_context/integration_test"
@@ -44,6 +45,7 @@ RSpec.configure do |config|
   config.include(Test::Helper::Fixtures)
   config.include(Test::Helper::Formula)
   config.include(Test::Helper::MkTmpDir)
+  config.include(Test::Helper::RuboCop)
 
   config.before(:each, :needs_compat) do
     skip "Requires compatibility layer." if ENV["HOMEBREW_NO_COMPAT"]
diff --git a/Library/Homebrew/test/support/helper/rubocop.rb b/Library/Homebrew/test/support/helper/rubocop.rb
new file mode 100644
index 000000000..351f2ad82
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/rubocop.rb
@@ -0,0 +1,13 @@
+module Test
+  module Helper
+    module RuboCop
+      def expect_offense(expected, actual)
+        expect(actual).to_not be_nil
+        expect(actual.message).to eq(expected[:message])
+        expect(actual.severity).to eq(expected[:severity])
+        expect(actual.line).to eq(expected[:line])
+        expect(actual.column).to eq(expected[:column])
+      end
+    end
+  end
+end