audit: Add tests for audit rules ported from line_problems method to rubocops

Library/Homebrew/test/dev-cmd/audit_spec.rb

@@ -263,28 +263,6 @@ describe FormulaAuditor do
       expect(fa.problems.shift)
         .to eq('Use pkgshare instead of (share/"foolibc++")')
     end
-
-    specify "no space in class inheritance" do
-      fa = formula_auditor "foo", <<-EOS.undent
-        class Foo<Formula
-          url '/foo-1.0.tgz'
-        end
-      EOS
-
-      fa.line_problems "class Foo<Formula", 1
-      expect(fa.problems.shift)
-        .to eq("Use a space in class inheritance: class Foo < Formula")
-    end
-
-    specify "default template" do
-      fa = formula_auditor "foo", "class Foo < Formula; url '/foo-1.0.tgz'; end"
-
-      fa.line_problems '# system "cmake", ".", *std_cmake_args', 3
-      expect(fa.problems.shift).to eq("Commented cmake call found")
-
-      fa.line_problems "# PLEASE REMOVE", 3
-      expect(fa.problems.shift).to eq("Please remove default template comments")
-    end
   end
 
   describe "#audit_github_repository" do

Library/Homebrew/test/rubocops/lines_cop_spec.rb

@@ -51,3 +51,154 @@ describe RuboCop::Cop::FormulaAudit::Lines do
     end
   end
 end
+
+describe RuboCop::Cop::FormulaAudit::ClassInheritance do
+  subject(:cop) { described_class.new }
+
+  context "When auditing lines" do
+    it "with no space in class inheritance" do
+      source = <<-EOS.undent
+        class Foo<Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+        end
+      EOS
+
+      expected_offenses = [{  message: "Use a space in class inheritance: class Foo < Formula",
+                              severity: :convention,
+                              line: 1,
+                              column: 10,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+  end
+end
+
+describe RuboCop::Cop::FormulaAudit::Comments do
+  subject(:cop) { described_class.new }
+
+  context "When auditing formula" do
+    it "with commented cmake call" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          # system "cmake", ".", *std_cmake_args
+        end
+      EOS
+
+      expected_offenses = [{  message: "Commented cmake call found",
+                              severity: :convention,
+                              line: 4,
+                              column: 2,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+
+    it "with default template comments" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          # PLEASE REMOVE
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+        end
+      EOS
+
+      expected_offenses = [{  message: "Please remove default template comments",
+                              severity: :convention,
+                              line: 2,
+                              column: 2,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+
+    it "with commented out depends_on" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          # depends_on "foo"
+        end
+      EOS
+
+      expected_offenses = [{  message: 'Commented-out dep "foo"',
+                              severity: :convention,
+                              line: 4,
+                              column: 2,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+  end
+end
+
+describe RuboCop::Cop::FormulaAudit::Miscellaneous do
+  subject(:cop) { described_class.new }
+
+  context "When auditing formula" do
+    it "with FileUtils" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          FileUtils.mv "hello"
+        end
+      EOS
+
+      expected_offenses = [{  message: "Don't need 'FileUtils.' before mv",
+                              severity: :convention,
+                              line: 4,
+                              column: 2,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+
+    it "with long inreplace block vars" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          inreplace "foo" do |longvar|
+            somerandomCall(longvar)
+          end
+        end
+      EOS
+
+      expected_offenses = [{  message: "\"inreplace <filenames> do |s|\" is preferred over \"|longvar|\".",
+                              severity: :convention,
+                              line: 4,
+                              column: 2,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
+  end
+end