From ebe4042b2f9b7b66e1c2ee9082de002795ea0b81 Mon Sep 17 00:00:00 2001
From: Markus Reiter
Date: Tue, 28 Feb 2017 13:42:52 +0100
Subject: Convert FormulaAuditor test to spec.

---
 Library/Homebrew/test/dev-cmd/audit_spec.rb | 498 ++++++++++++++++++++++++++++
 1 file changed, 498 insertions(+)

(limited to 'Library/Homebrew/test/dev-cmd')

diff --git a/Library/Homebrew/test/dev-cmd/audit_spec.rb b/Library/Homebrew/test/dev-cmd/audit_spec.rb
index 397e6912d..c4afe6592 100644
--- a/Library/Homebrew/test/dev-cmd/audit_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/audit_spec.rb
@@ -59,3 +59,501 @@ describe FormulaText do
     expect(ft.without_patch).to eq("class End < Formula\n  \nend")
   end
 end
+
+describe FormulaAuditor do
+  def formula_auditor(name, text, options = {})
+    path = Pathname.new "#{dir}/#{name}.rb"
+    path.open("w") do |f|
+      f.write text
+    end
+
+    described_class.new(Formulary.factory(path), options)
+  end
+
+  let(:dir) { @dir = Pathname.new(Dir.mktmpdir) }
+
+  after(:each) do
+    dir.rmtree unless @dir.nil?
+  end
+
+  describe "#problems" do
+    it "is empty by default" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      expect(fa.problems).to be_empty
+    end
+  end
+
+  describe "#audit_file" do
+    specify "file permissions" do
+      allow(File).to receive(:umask).and_return(022)
+
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      path = fa.formula.path
+      path.chmod 0400
+
+      fa.audit_file
+      expect(fa.problems)
+        .to eq(["Incorrect file permissions (400): chmod 644 #{path}"])
+    end
+
+    specify "DATA but no __END__" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          patch :DATA
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems).to eq(["'DATA' was found, but no '__END__'"])
+    end
+
+    specify "__END__ but no DATA" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+        __END__
+        a patch goes here
+      EOS
+
+      fa.audit_file
+      expect(fa.problems).to eq(["'__END__' was found, but 'DATA' is not used"])
+    end
+
+    specify "no trailing newline" do
+      fa = formula_auditor "foo", 'class Foo<Formula; url "file:///foo-1.0.tgz";end'
+
+      fa.audit_file
+      expect(fa.problems).to eq(["File should end with a newline"])
+    end
+
+    specify "no issue" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          homepage "http://example.com"
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems).to eq([])
+    end
+
+    specify "strict: ordering issue" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          homepage "http://example.com"
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems)
+        .to eq(["`homepage` (line 3) should be put before `url` (line 2)"])
+    end
+
+    specify "strict: resource placement" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "https://example.com/foo-1.0.tgz"
+
+          resource "foo2" do
+            url "https://example.com/foo-2.0.tgz"
+          end
+
+          depends_on "openssl"
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems)
+        .to eq(["`depends_on` (line 8) should be put before `resource` (line 4)"])
+    end
+
+    specify "strict: plist placement" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "https://example.com/foo-1.0.tgz"
+
+          test do
+            expect(shell_output("./dogs")).to match("Dogs are terrific")
+          end
+
+          def plist
+          end
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems)
+        .to eq(["`plist block` (line 8) should be put before `test block` (line 4)"])
+    end
+
+    specify "strict: url outside of stable block" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          stable do
+            # stuff
+          end
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems).to eq(["`url` should be put inside `stable block`"])
+    end
+
+    specify "strict: head and head do" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          head "http://example.com/foo.git"
+          head do
+            # stuff
+          end
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems).to eq(["Should not have both `head` and `head do`"])
+    end
+
+    specify "strict: bottle and bottle do" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          bottle do
+            # bottles go here
+          end
+          bottle :unneeded
+        end
+      EOS
+
+      fa.audit_file
+      expect(fa.problems)
+        .to eq(["Should not have `bottle :unneeded/:disable` and `bottle do`"])
+    end
+  end
+
+  describe "#audit_class" do
+    specify "missing test" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_class
+      expect(fa.problems).to eq([])
+
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_class
+      expect(fa.problems).to eq(["A `test do` test block should be added"])
+    end
+
+    specify "GithubGistFormula", :needs_compat do
+      ENV.delete("HOMEBREW_DEVELOPER")
+
+      fa = shutup do
+        formula_auditor "foo", <<-EOS.undent
+          class Foo < GithubGistFormula
+            url "http://example.com/foo-1.0.tgz"
+          end
+        EOS
+      end
+
+      fa.audit_class
+      expect(fa.problems)
+        .to eq(["GithubGistFormula is deprecated, use Formula instead"])
+    end
+
+    specify "ScriptFileFormula", :needs_compat do
+      ENV.delete("HOMEBREW_DEVELOPER")
+
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < ScriptFileFormula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_class
+      expect(fa.problems)
+        .to eq(["ScriptFileFormula is deprecated, use Formula instead"])
+    end
+
+    specify "AmazonWebServicesFormula", :needs_compat do
+      ENV.delete("HOMEBREW_DEVELOPER")
+
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < AmazonWebServicesFormula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_class
+      expect(fa.problems)
+        .to eq(["AmazonWebServicesFormula is deprecated, use Formula instead"])
+    end
+  end
+
+  describe "#audit_line" do
+    specify "pkgshare" do
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_line 'ohai "#{share}/foo"', 3
+      expect(fa.problems.shift).to eq("Use \#{pkgshare} instead of \#{share}/foo")
+
+      fa.audit_line 'ohai "#{share}/foo/bar"', 3
+      expect(fa.problems.shift).to eq("Use \#{pkgshare} instead of \#{share}/foo")
+
+      fa.audit_line 'ohai share/"foo"', 3
+      expect(fa.problems.shift).to eq('Use pkgshare instead of (share/"foo")')
+
+      fa.audit_line 'ohai share/"foo/bar"', 3
+      expect(fa.problems.shift).to eq('Use pkgshare instead of (share/"foo")')
+
+      fa.audit_line 'ohai "#{share}/foo-bar"', 3
+      expect(fa.problems).to eq([])
+
+      fa.audit_line 'ohai share/"foo-bar"', 3
+      expect(fa.problems).to eq([])
+
+      fa.audit_line 'ohai share/"bar"', 3
+      expect(fa.problems).to eq([])
+    end
+
+    # Regression test for https://github.com/Homebrew/legacy-homebrew/pull/48744
+    # Formulae with "++" in their name would break various audit regexps:
+    #   Error: nested *?+ in regexp: /^libxml++3\s/
+    specify "++ in name" do
+      fa = formula_auditor "foolibc++", <<-EOS.undent, strict: true
+        class Foolibcxx < Formula
+          desc "foolibc++ is a test"
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_desc
+      expect(fa.problems.shift)
+        .to eq("Description shouldn't include the formula name")
+
+      fa.audit_line 'ohai "#{share}/foolibc++"', 3
+      expect(fa.problems.shift)
+        .to eq("Use \#{pkgshare} instead of \#{share}/foolibc++")
+
+      fa.audit_line 'ohai share/"foolibc++"', 3
+      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.audit_line "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.audit_line '# system "cmake", ".", *std_cmake_args', 3
+      expect(fa.problems.shift).to eq("Commented cmake call found")
+
+      fa.audit_line "# PLEASE REMOVE", 3
+      expect(fa.problems.shift).to eq("Please remove default template comments")
+    end
+  end
+
+  describe "#audit_github_repository" do
+    specify "#audit_github_repository when HOMEBREW_NO_GITHUB_API is set" do
+      ENV["HOMEBREW_NO_GITHUB_API"] = "1"
+
+      fa = formula_auditor "foo", <<-EOS.undent, strict: true, online: true
+        class Foo < Formula
+          homepage "https://github.com/example/example"
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_github_repository
+      expect(fa.problems).to eq([])
+    end
+  end
+
+  specify "#audit_caveats" do
+    fa = formula_auditor "foo", <<-EOS.undent
+      class Foo < Formula
+        homepage "http://example.com/foo"
+        url "http://example.com/foo-1.0.tgz"
+
+        def caveats
+          "setuid"
+        end
+      end
+    EOS
+
+    fa.audit_caveats
+    expect(fa.problems)
+      .to eq(["Don't recommend setuid in the caveats, suggest sudo instead."])
+  end
+
+  specify "#audit_desc" do
+    formula_descriptions = [
+      { name: "foo", desc: nil,
+        problem: "Formula should have a desc" },
+      { name: "bar", desc: "bar" * 30,
+        problem: "Description is too long" },
+      { name: "baz", desc: "Baz commandline tool",
+        problem: "Description should use \"command-line\"" },
+      { name: "qux", desc: "A tool called Qux",
+        problem: "Description shouldn't start with an indefinite article" },
+    ]
+
+    formula_descriptions.each do |formula|
+      content = <<-EOS.undent
+        class #{Formulary.class_s(formula[:name])} < Formula
+          url "http://example.com/#{formula[:name]}-1.0.tgz"
+          desc "#{formula[:desc]}"
+        end
+      EOS
+
+      fa = formula_auditor formula[:name], content, strict: true
+      fa.audit_desc
+      expect(fa.problems.first).to match(formula[:problem])
+    end
+  end
+
+  describe "#audit_homepage" do
+    specify "homepage URLs" do
+      fa = formula_auditor "foo", <<-EOS.undent, online: true
+        class Foo < Formula
+          homepage "ftp://example.com/foo"
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_homepage
+      expect(fa.problems)
+        .to eq(["The homepage should start with http or https (URL is #{fa.formula.homepage})."])
+
+      formula_homepages = {
+        "bar" => "http://www.freedesktop.org/wiki/bar",
+        "baz" => "http://www.freedesktop.org/wiki/Software/baz",
+        "qux" => "https://code.google.com/p/qux",
+        "quux" => "http://github.com/quux",
+        "corge" => "http://savannah.nongnu.org/corge",
+        "grault" => "http://grault.github.io/",
+        "garply" => "http://www.gnome.org/garply",
+        "sf1" => "http://foo.sourceforge.net/",
+        "sf2" => "http://foo.sourceforge.net",
+        "sf3" => "http://foo.sf.net/",
+        "sf4" => "http://foo.sourceforge.io/",
+        "waldo" => "http://www.gnu.org/waldo",
+      }
+
+      formula_homepages.each do |name, homepage|
+        fa = formula_auditor name, <<-EOS.undent
+          class #{Formulary.class_s(name)} < Formula
+            homepage "#{homepage}"
+            url "http://example.com/#{name}-1.0.tgz"
+          end
+        EOS
+
+        fa.audit_homepage
+        if homepage =~ %r{http:\/\/www\.freedesktop\.org}
+          if homepage =~ /Software/
+            expect(fa.problems.first).to match(
+              "#{homepage} should be styled " \
+              "`https://wiki.freedesktop.org/www/Software/project_name`",
+            )
+          else
+            expect(fa.problems.first).to match(
+              "#{homepage} should be styled " \
+              "`https://wiki.freedesktop.org/project_name`",
+            )
+          end
+        elsif homepage =~ %r{https:\/\/code\.google\.com}
+          expect(fa.problems.first)
+            .to match("#{homepage} should end with a slash")
+        elsif homepage =~ /foo\.(sf|sourceforge)\.net/
+          expect(fa.problems.first)
+            .to match("#{homepage} should be `https://foo.sourceforge.io/`")
+        else
+          expect(fa.problems.first)
+            .to match("Please use https:// for #{homepage}")
+        end
+      end
+    end
+
+    specify "missing homepage" do
+      fa = formula_auditor "foo", <<-EOS.undent, online: true
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+        end
+      EOS
+
+      fa.audit_homepage
+      expect(fa.problems.first).to match("Formula should have a homepage.")
+    end
+  end
+
+  describe "#audit_text" do
+    specify "xcodebuild suggests symroot" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          homepage "http://example.com"
+
+          def install
+            xcodebuild "-project", "meow.xcodeproject"
+          end
+        end
+      EOS
+
+      fa.audit_text
+      expect(fa.problems.first)
+        .to match('xcodebuild should be passed an explicit "SYMROOT"')
+    end
+
+    specify "bare xcodebuild also suggests symroot" do
+      fa = formula_auditor "foo", <<-EOS.undent
+        class Foo < Formula
+          url "http://example.com/foo-1.0.tgz"
+          homepage "http://example.com"
+
+          def install
+            xcodebuild
+          end
+        end
+      EOS
+
+      fa.audit_text
+      expect(fa.problems.first)
+        .to match('xcodebuild should be passed an explicit "SYMROOT"')
+    end
+  end
+end
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