audit: Port dependency rules from line_problems to rubocop and add tests

1 files changed, 53 insertions, 0 deletions

diff --git a/Library/Homebrew/test/rubocops/lines_cop_spec.rb b/Library/Homebrew/test/rubocops/lines_cop_spec.rb
new file mode 100644
index 000000000..c865e1480
--- /dev/null
+++ b/Library/Homebrew/test/rubocops/lines_cop_spec.rb
@@ -0,0 +1,53 @@
+require "rubocop"
+require "rubocop/rspec/support"
+require_relative "../../extend/string"
+require_relative "../../rubocops/lines_cop"
+
+describe RuboCop::Cop::FormulaAudit::Lines do
+  subject(:cop) { described_class.new }
+
+  context "When auditing lines" do
+    it "with correctable deprecated dependencies" do
+      formulae = [{
+        "dependency" => :automake,
+        "correct"    => "automake",
+      }, {
+        "dependency" => :autoconf,
+        "correct"    => "autoconf",
+      }, {
+        "dependency" => :libtool,
+        "correct"    => "libtool",
+      }, {
+        "dependency" => :apr,
+        "correct"    => "apr-util",
+      }, {
+        "dependency" => :tex,
+      }]
+
+      formulae.each do |formula|
+        source = <<-EOS.undent
+        class Foo < Formula
+          url 'http://example.com/foo-1.0.tgz'
+          depends_on :#{formula["dependency"]}
+        end
+        EOS
+        if formula.key?("correct")
+          offense = ":#{formula["dependency"]} is deprecated. Usage should be \"#{formula["correct"]}\""
+        else
+          offense = ":#{formula["dependency"]} is deprecated"
+        end
+        expected_offenses = [{  message: offense,
+                                severity: :convention,
+                                line: 3,
+                                column: 2,
+                                source: source }]
+
+        inspect_source(cop, source)
+
+        expected_offenses.zip(cop.offenses.reverse).each do |expected, actual|
+          expect_offense(expected, actual)
+        end
+      end
+    end
+  end
+end