2021-01-14 19:06:37 -08:00

1546 lines
45 KiB
Ruby

# typed: false
# frozen_string_literal: true
require "rubocops/lines"
describe RuboCop::Cop::FormulaAudit::Lines do
subject(:cop) { described_class.new }
context "when auditing deprecated special dependencies" do
it "reports an offense when using depends_on :automake" do
expect_offense(<<~RUBY)
class Foo < Formula
url 'https://brew.sh/foo-1.0.tgz'
depends_on :automake
^^^^^^^^^^^^^^^^^^^^ :automake is deprecated. Usage should be \"automake\".
end
RUBY
end
it "reports an offense when using depends_on :autoconf" do
expect_offense(<<~RUBY)
class Foo < Formula
url 'https://brew.sh/foo-1.0.tgz'
depends_on :autoconf
^^^^^^^^^^^^^^^^^^^^ :autoconf is deprecated. Usage should be \"autoconf\".
end
RUBY
end
it "reports an offense when using depends_on :libtool" do
expect_offense(<<~RUBY)
class Foo < Formula
url 'https://brew.sh/foo-1.0.tgz'
depends_on :libtool
^^^^^^^^^^^^^^^^^^^ :libtool is deprecated. Usage should be \"libtool\".
end
RUBY
end
it "reports an offense when using depends_on :apr" do
expect_offense(<<~RUBY)
class Foo < Formula
url 'https://brew.sh/foo-1.0.tgz'
depends_on :apr
^^^^^^^^^^^^^^^ :apr is deprecated. Usage should be \"apr-util\".
end
RUBY
end
it "reports an offense when using depends_on :tex" do
expect_offense(<<~RUBY)
class Foo < Formula
url 'https://brew.sh/foo-1.0.tgz'
depends_on :tex
^^^^^^^^^^^^^^^ :tex is deprecated.
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::ClassInheritance do
subject(:cop) { described_class.new }
context "when auditing formula class inheritance" do
it "reports an offense when not using spaces for class inheritance" do
expect_offense(<<~RUBY, "/homebrew-core/Formula/foo.rb")
class Foo<Formula
^^^^^^^ Use a space in class inheritance: class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::Comments do
subject(:cop) { described_class.new }
context "when auditing comment text" do
it "reports an offense when commented cmake calls exist" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
# system "cmake", ".", *std_cmake_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Please remove default template comments
end
RUBY
end
it "reports an offense when default template comments exist" do
expect_offense(<<~RUBY)
class Foo < Formula
# PLEASE REMOVE
^^^^^^^^^^^^^^^ Please remove default template comments
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
end
RUBY
end
it "reports an offense when `depends_on` is commented" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
# depends_on "foo"
^^^^^^^^^^^^^^^^^^ Commented-out dependency "foo"
end
RUBY
end
it "reports an offense if citation tags are present" do
expect_offense(<<~RUBY, "/homebrew-core/")
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
# cite Howell_2009:
^^^^^^^^^^^^^^^^^^^ Formulae in homebrew/core should not use `cite` comments
# doi "10.111/222.x"
^^^^^^^^^^^^^^^^^^^^ Formulae in homebrew/core should not use `doi` comments
# tag "software"
^^^^^^^^^^^^^^^^ Formulae in homebrew/core should not use `tag` comments
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::AssertStatements do
subject(:cop) { described_class.new }
context "when auditing formula assertions" do
it "reports an offense when assert ... include is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
assert File.read("inbox").include?("Sample message 1")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Use `assert_match` instead of `assert ...include?`
end
RUBY
end
it "reports an offense when assert ... exist? is used without a negation" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
assert File.exist? "default.ini"
^^^^^^^^^^^^^^^^^^^^^^^^^ Use `assert_predicate <path_to_file>, :exist?` instead of `assert File.exist? "default.ini"`
end
RUBY
end
it "reports an offense when assert ... exist? is used with a negation" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
assert !File.exist?("default.ini")
^^^^^^^^^^^^^^^^^^^^^^^^^^^ Use `refute_predicate <path_to_file>, :exist?` instead of `assert !File.exist?("default.ini")`
end
RUBY
end
it "reports an offense when assert ... executable? is used without a negation" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
assert File.executable? f
^^^^^^^^^^^^^^^^^^ Use `assert_predicate <path_to_file>, :executable?` instead of `assert File.executable? f`
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::OptionDeclarations do
subject(:cop) { described_class.new }
context "when auditing options" do
it "reports an offense when `build.without?` is used in homebrew/core" do
expect_offense(<<~RUBY, "/homebrew-core/")
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
build.without? "bar"
^^^^^^^^^^^^^^^^^^^^ Formulae in homebrew/core should not use `build.without?`.
end
end
RUBY
end
it "reports an offense when `build.with?` is used in homebrew/core" do
expect_offense(<<~RUBY, "/homebrew-core/")
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
build.with? "bar"
^^^^^^^^^^^^^^^^^ Formulae in homebrew/core should not use `build.with?`.
end
end
RUBY
end
it "reports an offense when `build.without?` is used for a conditional dependency" do
expect_offense(<<~RUBY)
class Foo < Formula
depends_on "bar" if build.without?("baz")
^^^^^^^^^^^^^^^^^^^^^ Use `:optional` or `:recommended` instead of `if build.without?("baz")`
end
RUBY
end
it "reports an offense when `build.without?` is used for a conditional dependency" do
expect_offense(<<~RUBY)
class Foo < Formula
depends_on "bar" if build.with?("baz")
^^^^^^^^^^^^^^^^^^ Use `:optional` or `:recommended` instead of `if build.with?("baz")`
end
RUBY
end
it "reports an offense when `build.without?` is used with `unless`" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return unless build.without? "bar"
^^^^^^^^^^^^^^^^^^^^ Use if build.with? "bar" instead of unless build.without? "bar"
end
end
RUBY
end
it "reports an offense when `build.with?` is used with `unless`" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return unless build.with? "bar"
^^^^^^^^^^^^^^^^^ Use if build.without? "bar" instead of unless build.with? "bar"
end
end
RUBY
end
it "reports an offense when `build.with?` is negated" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return if !build.with? "bar"
^^^^^^^^^^^^^^^^^^ Don't negate 'build.with?': use 'build.without?'
end
end
RUBY
end
it "reports an offense when `build.without?` is negated" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return if !build.without? "bar"
^^^^^^^^^^^^^^^^^^^^^ Don't negate 'build.without?': use 'build.with?'
end
end
RUBY
end
it "reports an offense when a `build.without?` conditional is unnecessary" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return if build.without? "--without-bar"
^^^^^^^^^^^^^^^ Don't duplicate 'without': Use `build.without? \"bar\"` to check for \"--without-bar\"
end
end
RUBY
end
it "reports an offense when a `build.with?` conditional is unnecessary" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return if build.with? "--with-bar"
^^^^^^^^^^^^ Don't duplicate 'with': Use `build.with? \"bar\"` to check for \"--with-bar\"
end
end
RUBY
end
it "reports an offense when `build.include?` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def post_install
return if build.include? "foo"
^^^^^^^^^^^^^^^^^^^^ `build.include?` is deprecated
end
end
RUBY
end
it "reports an offense when `def option` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def options
^^^^^^^^^^^ Use new-style option definitions
[["--bar", "desc"]]
end
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::MpiCheck do
subject(:cop) { described_class.new }
context "when auditing MPI dependencies" do
it "reports and corrects an offense when using depends_on \"mpich\" in homebrew/core" do
expect_offense(<<~RUBY, "/homebrew-core/")
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on "mpich"
^^^^^^^^^^^^^^^^^^ Formulae in homebrew/core should use 'depends_on "open-mpi"' instead of 'depends_on "mpich"'.
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on "open-mpi"
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::SafePopenCommands do
subject(:cop) { described_class.new }
context "when auditing popen commands" do
it "reports and corrects `Utils.popen_read` usage" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read "foo"
^^^^^^^^^^^^^^^^^^^^^^ Use `Utils.safe_popen_read` instead of `Utils.popen_read`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_read "foo"
end
end
RUBY
end
it "reports and corrects `Utils.popen_write` usage" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen_write "foo"
^^^^^^^^^^^^^^^^^^^^^^^ Use `Utils.safe_popen_write` instead of `Utils.popen_write`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_write "foo"
end
end
RUBY
end
it "does not report an offense when `Utils.popen_read` is used in a test block" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install; end
test do
Utils.popen_read "foo"
end
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::ShellVariables do
subject(:cop) { described_class.new }
context "when auditing shell variables" do
it "reports and corrects unexpanded shell variables in `Utils.popen`" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen "SHELL=bash foo"
^^^^^^^^^^^^^^^^ Use `Utils.popen({ "SHELL" => "bash" }, "foo")` instead of `Utils.popen "SHELL=bash foo"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.popen { "SHELL" => "bash" }, "foo"
end
end
RUBY
end
it "reports and corrects unexpanded shell variables in `Utils.safe_popen_read`" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_read "SHELL=bash foo"
^^^^^^^^^^^^^^^^ Use `Utils.safe_popen_read({ "SHELL" => "bash" }, "foo")` instead of `Utils.safe_popen_read "SHELL=bash foo"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_read { "SHELL" => "bash" }, "foo"
end
end
RUBY
end
it "reports and corrects unexpanded shell variables in `Utils.safe_popen_write`" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_write "SHELL=bash foo"
^^^^^^^^^^^^^^^^ Use `Utils.safe_popen_write({ "SHELL" => "bash" }, "foo")` instead of `Utils.safe_popen_write "SHELL=bash foo"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_write { "SHELL" => "bash" }, "foo"
end
end
RUBY
end
it "reports and corrects unexpanded shell variables while preserving string interpolation" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen "SHELL=bash \#{bin}/foo"
^^^^^^^^^^^^^^^^^^^^^^^ Use `Utils.popen({ "SHELL" => "bash" }, "\#{bin}/foo")` instead of `Utils.popen "SHELL=bash \#{bin}/foo"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.popen { "SHELL" => "bash" }, "\#{bin}/foo"
end
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::LicenseArrays do
subject(:cop) { described_class.new }
context "when auditing license arrays" do
it "reports no offenses for license strings" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license "MIT"
end
RUBY
end
it "reports no offenses for license symbols" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license :public_domain
end
RUBY
end
it "reports no offenses for license hashes" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license any_of: ["MIT", "0BSD"]
end
RUBY
end
it "reports and corrects use of a license array" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license ["MIT", "0BSD"]
^^^^^^^^^^^^^^^^^^^^^^^ Use `license any_of: ["MIT", "0BSD"]` instead of `license ["MIT", "0BSD"]`
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license any_of: ["MIT", "0BSD"]
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::Licenses do
subject(:cop) { described_class.new }
context "when auditing licenses" do
it "reports no offenses for license strings" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license "MIT"
end
RUBY
end
it "reports no offenses for license symbols" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license :public_domain
end
RUBY
end
it "reports no offenses for license hashes" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license any_of: ["MIT", "0BSD"]
end
RUBY
end
it "reports no offenses for license exceptions" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license "MIT" => { with: "LLVM-exception" }
end
RUBY
end
it "reports no offenses for multiline nested license hashes" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license any_of: [
"MIT",
all_of: ["0BSD", "Zlib"],
]
end
RUBY
end
it "reports no offenses for multiline nested license hashes with exceptions" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license any_of: [
"MIT",
all_of: ["0BSD", "Zlib"],
"GPL-2.0-only" => { with: "LLVM-exception" },
]
end
RUBY
end
it "reports an offense for nested license hashes on a single line" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
license any_of: ["MIT", all_of: ["0BSD", "Zlib"]]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Split nested license declarations onto multiple lines
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::PythonVersions do
subject(:cop) { described_class.new }
context "when auditing Python versions" do
it "reports no offenses for Python with no dependency" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install
puts "python@3.8"
end
end
RUBY
end
it "reports no offenses for unversioned Python references" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python"
end
end
RUBY
end
it "reports no offenses for Python with no version" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python3"
end
end
RUBY
end
it "reports no offenses when a Python reference matches its dependency" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python@3.9"
end
end
RUBY
end
it "reports no offenses when a Python reference matches its dependency without `@`" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python3.9"
end
end
RUBY
end
it "reports no offenses when a Python reference matches its two-digit dependency" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
depends_on "python@3.10"
def install
puts "python@3.10"
end
end
RUBY
end
it "reports no offenses when a Python reference matches its two-digit dependency without `@`" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
depends_on "python@3.10"
def install
puts "python3.10"
end
end
RUBY
end
it "reports and corrects Python references with mismatched versions" do
expect_offense(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python@3.8"
^^^^^^^^^^^^ References to `python@3.8` should match the specified python dependency (`python@3.9`)
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python@3.9"
end
end
RUBY
end
it "reports and corrects Python references with mismatched versions without `@`" do
expect_offense(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python3.8"
^^^^^^^^^^^ References to `python3.8` should match the specified python dependency (`python3.9`)
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
depends_on "python@3.9"
def install
puts "python3.9"
end
end
RUBY
end
it "reports and corrects Python references with mismatched two-digit versions" do
expect_offense(<<~RUBY)
class Foo < Formula
depends_on "python@3.11"
def install
puts "python@3.10"
^^^^^^^^^^^^^ References to `python@3.10` should match the specified python dependency (`python@3.11`)
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
depends_on "python@3.11"
def install
puts "python@3.11"
end
end
RUBY
end
it "reports and corrects Python references with mismatched two-digit versions without `@`" do
expect_offense(<<~RUBY)
class Foo < Formula
depends_on "python@3.11"
def install
puts "python3.10"
^^^^^^^^^^^^ References to `python3.10` should match the specified python dependency (`python3.11`)
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
depends_on "python@3.11"
def install
puts "python3.11"
end
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAudit::Miscellaneous do
subject(:cop) { described_class.new }
context "when auditing formula miscellany" do
it "reports an offense for unneeded `FileUtils` usage" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
FileUtils.mv "hello"
^^^^^^^^^^^^^^^^^^^^ Don\'t need \'FileUtils.\' before mv
end
RUBY
end
it "reports an offense for long `inreplace` block variable names" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
inreplace "foo" do |longvar|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \"inreplace <filenames> do |s|\" is preferred over \"|longvar|\".
somerandomCall(longvar)
end
end
RUBY
end
it "reports an offense for invalid `rebuild` numbers" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
bottle do
rebuild 0
^^^^^^^^^ 'rebuild 0' should be removed
sha256 "fe0679b932dd43a87fd415b609a7fbac7a069d117642ae8ebaac46ae1fb9f0b3" => :sierra
end
end
RUBY
end
it "reports an offense when `OS.linux?` is used in homebrew/core" do
expect_offense(<<~RUBY, "/homebrew-core/")
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
bottle do
if OS.linux?
^^^^^^^^^ Don\'t use OS.linux?; homebrew/core only supports macOS
nil
end
sha256 "fe0679b932dd43a87fd415b609a7fbac7a069d117642ae8ebaac46ae1fb9f0b3" => :sierra
end
end
RUBY
end
it "reports an offense when a useless `fails_with :llvm` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
bottle do
sha256 "fe0679b932dd43a87fd415b609a7fbac7a069d117642ae8ebaac46ae1fb9f0b3" => :sierra
end
fails_with :llvm do
^^^^^^^^^^^^^^^^ 'fails_with :llvm' is now a no-op so should be removed
build 2335
cause "foo"
end
end
RUBY
end
it "reports an offense when `def test` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def test
^^^^^^^^ Use new-style test definitions (test do)
assert_equals "1", "1"
end
end
RUBY
end
it "reports an offense when `skip_clean` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
skip_clean :all
^^^^^^^^^^^^^^^ `skip_clean :all` is deprecated; brew no longer strips symbols. Pass explicit paths to prevent Homebrew from removing empty folders.
end
RUBY
end
it "reports an offense when `build.universal?` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
if build.universal?
^^^^^^^^^^^^^^^^ macOS has been 64-bit only since 10.6 so build.universal? is deprecated.
"foo"
end
end
RUBY
end
it "reports no offenses when `build.universal?` is used in an exempt formula" do
expect_no_offenses(<<~RUBY, "/homebrew-core/Formula/wine.rb")
class Wine < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
if build.universal?
"foo"
end
end
RUBY
end
it "reports an offense when `ENV.universal_binary` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
if build?
ENV.universal_binary
^^^^^^^^^^^^^^^^^^^^ macOS has been 64-bit only since 10.6 so ENV.universal_binary is deprecated.
end
end
RUBY
end
it "reports no offenses when `ENV.universal_binary` is used in an exempt formula" do
expect_no_offenses(<<~RUBY, "/homebrew-core/Formula/wine.rb")
class Wine < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
if build?
ENV.universal_binary
end
end
RUBY
end
it "reports an offense when `install_name_tool` is called" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
system "install_name_tool", "-id"
^^^^^^^^^^^^^^^^^^^ Use ruby-macho instead of calling "install_name_tool"
end
RUBY
end
it "reports an offense when `npm install` is called without Language::Node arguments" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
system "npm", "install"
^^^^^^^^^^^^^^^^^^^^^^^ Use Language::Node for npm install args
end
RUBY
end
it "reports no offenses when `npm install` is called without Language::Node arguments in an exempt formula" do
expect_no_offenses(<<~RUBY, "/homebrew-core/Formula/kibana@4.4.rb")
class KibanaAT44 < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
system "npm", "install"
end
RUBY
end
it "reports an offense when `depends_on` is called with an instance" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on FOO::BAR.new
^^^^^^^^^^^^ `depends_on` can take requirement classes instead of instances
end
RUBY
end
it "reports an offense when `Dir` is called without a globbing argument" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
rm_rf Dir["src/{llvm,test,librustdoc,etc/snapshot.pyc}"]
rm_rf Dir["src/snapshot.pyc"]
^^^^^^^^^^^^^^^^^^ Dir(["src/snapshot.pyc"]) is unnecessary; just use "src/snapshot.pyc"
end
RUBY
end
it "reports an offense when executing a system command for which there is a Ruby FileUtils equivalent" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
system "mkdir", "foo"
^^^^^^^ Use the `mkdir` Ruby method instead of `system "mkdir", "foo"`
end
RUBY
end
it "reports an offense when top-level functions are defined outside of a class body" do
expect_offense(<<~RUBY)
def test
^^^^^^^^ Define method test in the class body, not at the top-level
nil
end
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
end
RUBY
end
it 'reports an offense when `man+"man8"` is used' do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
man1.install man+"man8" => "faad.1"
^^^^^^ "man+"man8"" should be "man8"
end
end
RUBY
end
it "reports an offense when a hard-coded `gcc` is referenced" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
system "/usr/bin/gcc", "foo"
^^^^^^^^^^^^^^ Use "#{ENV.cc}" instead of hard-coding "gcc"
end
end
RUBY
end
it "reports an offense when a hard-coded `g++` is referenced" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
system "/usr/bin/g++", "-o", "foo", "foo.cc"
^^^^^^^^^^^^^^ Use "#{ENV.cxx}" instead of hard-coding "g++"
end
end
RUBY
end
it "reports an offense when a hard-coded `llvm-g++` is set as COMPILER_PATH" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
ENV["COMPILER_PATH"] = "/usr/bin/llvm-g++"
^^^^^^^^^^^^^^^^^^^ Use "#{ENV.cxx}" instead of hard-coding "llvm-g++"
end
end
RUBY
end
it "reports an offense when a hard-coded `gcc` is set as COMPILER_PATH" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
ENV["COMPILER_PATH"] = "/usr/bin/gcc"
^^^^^^^^^^^^^^ Use \"\#{ENV.cc}\" instead of hard-coding \"gcc\"
end
end
RUBY
end
it "reports an offense when the formula path shortcut `man` could be used" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
mv "#{share}/man", share
^^^^ "#{share}/man" should be "#{man}"
end
end
RUBY
end
it "reports an offense when the formula path shortcut `libexec` could be used" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
mv "#{prefix}/libexec", share
^^^^^^^^ "#{prefix}/libexec" should be "#{libexec}"
end
end
RUBY
end
it "reports an offense when the formula path shortcut `info` could be used" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
system "./configure", "--INFODIR=#{prefix}/share/info"
^^^^^^^^^^^ "#{prefix}/share/info" should be "#{info}"
end
end
RUBY
end
it "reports an offense when the formula path shortcut `man8` could be used" do
expect_offense(<<~'RUBY')
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
def install
system "./configure", "--MANDIR=#{prefix}/share/man/man8"
^^^^^^^^^^^^^^^ "#{prefix}/share/man/man8" should be "#{man8}"
end
end
RUBY
end
it "reports an offense when unvendored lua modules are used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on "lpeg" => :lua51
^^^^^^ lua modules should be vendored rather than use deprecated `depends_on \"lpeg\" => :lua51`
end
RUBY
end
it "reports an offense when `export` is used to set environment variables" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
system "export", "var=value"
^^^^^^^^ Use ENV instead of invoking 'export' to modify the environment
end
RUBY
end
it "reports an offense when dependencies with invalid options are used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on "foo" => "with-bar"
^^^^^^^^^^ Dependency foo should not use option with-bar
end
RUBY
end
it "reports an offense when dependencies with invalid options are used in an array" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on "httpd" => [:build, :test]
depends_on "foo" => [:optional, "with-bar"]
^^^^^^^^^^ Dependency foo should not use option with-bar
depends_on "icu4c" => [:optional, "c++11"]
^^^^^^^ Dependency icu4c should not use option c++11
end
RUBY
end
it "reports an offense when `build.head?` could be used instead of checking `version`" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
if version == "HEAD"
^^^^^^^^^^^^^^^^^ Use 'build.head?' instead of inspecting 'version'
foo()
end
end
RUBY
end
it "reports an offense when `ARGV.include? (--HEAD)` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
test do
head = ARGV.include? "--HEAD"
^^^^ Use build instead of ARGV to check options
^^^^^^^^^^^^^^^^^^^^^^ Use "if build.head?" instead
end
end
RUBY
end
it "reports an offense when `needs :openmp` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
needs :openmp
^^^^^^^^^^^^^ 'needs :openmp' should be replaced with 'depends_on \"gcc\"'
end
RUBY
end
it "reports an offense when `MACOS_VERSION` is used" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
test do
version = MACOS_VERSION
^^^^^^^^^^^^^ Use MacOS.version instead of MACOS_VERSION
end
end
RUBY
end
it "reports an offense when `build.with?` is used for a conditional dependency" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on "foo" if build.with? "foo"
^^^^^^^^^^^^^^^^ Replace depends_on "foo" if build.with? "foo" with depends_on "foo" => :optional
end
RUBY
end
it "reports an offense when `build.without?` is used for a negated conditional dependency" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on :foo unless build.without? "foo"
^^^^^^^^^^^^^^^ Replace depends_on :foo unless build.without? "foo" with depends_on :foo => :recommended
end
RUBY
end
it "reports an offense when `build.include?` is used for a negated conditional dependency" do
expect_offense(<<~RUBY)
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
depends_on :foo unless build.include? "without-foo"
^^^^^^^^^^^^^^^ Replace depends_on :foo unless build.include? "without-foo" with depends_on :foo => :recommended
end
RUBY
end
end
end
describe RuboCop::Cop::FormulaAuditStrict::MakeCheck do
subject(:cop) { described_class.new }
let(:path) { Tap::TAP_DIRECTORY/"homebrew/homebrew-core" }
before do
path.mkpath
(path/"style_exceptions").mkpath
end
def setup_style_exceptions
(path/"style_exceptions/make_check_allowlist.json").write <<~JSON
[ "bar" ]
JSON
end
it "reports an offense when formulae in homebrew/core run build-time checks" do
setup_style_exceptions
expect_offense(<<~RUBY, "#{path}/Formula/foo.rb")
class Foo < Formula
desc "foo"
url 'https://brew.sh/foo-1.0.tgz'
system "make", "-j1", "test"
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Formulae in homebrew/core (except e.g. cryptography, libraries) should not run build-time checks
end
RUBY
end
it "reports no offenses when exempted formulae in homebrew/core run build-time checks" do
setup_style_exceptions
expect_no_offenses(<<~RUBY, "#{path}/Formula/bar.rb")
class Bar < Formula
desc "bar"
url 'https://brew.sh/bar-1.0.tgz'
system "make", "-j1", "test"
end
RUBY
end
end
describe RuboCop::Cop::FormulaAuditStrict::ShellCommands do
subject(:cop) { described_class.new }
context "when auditing shell commands" do
it "reports and corrects an offense when `system` arguments should be separated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
system "foo bar"
^^^^^^^^^ Separate `system` commands into `\"foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
system "foo", "bar"
end
end
RUBY
end
it "reports and corrects an offense when `system` arguments with string interpolation should be separated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
system "\#{bin}/foo bar"
^^^^^^^^^^^^^^^^ Separate `system` commands into `\"\#{bin}/foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
system "\#{bin}/foo", "bar"
end
end
RUBY
end
it "reports no offenses when `system` with metacharacter arguments are called" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install
system "foo bar > baz"
end
end
RUBY
end
it "reports no offenses when trailing arguments to `system` are unseparated" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install
system "foo", "bar baz"
end
end
RUBY
end
it "reports no offenses when `Utils.popen` arguments are unseparated" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install
Utils.popen("foo bar")
end
end
RUBY
end
it "reports and corrects an offense when `Utils.popen_read` arguments are unseparated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read("foo bar")
^^^^^^^^^ Separate `Utils.popen_read` commands into `\"foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read("foo", "bar")
end
end
RUBY
end
it "reports and corrects an offense when `Utils.safe_popen_read` arguments are unseparated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_read("foo bar")
^^^^^^^^^ Separate `Utils.safe_popen_read` commands into `\"foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_read("foo", "bar")
end
end
RUBY
end
it "reports and corrects an offense when `Utils.popen_write` arguments are unseparated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen_write("foo bar")
^^^^^^^^^ Separate `Utils.popen_write` commands into `\"foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.popen_write("foo", "bar")
end
end
RUBY
end
it "reports and corrects an offense when `Utils.safe_popen_write` arguments are unseparated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_write("foo bar")
^^^^^^^^^ Separate `Utils.safe_popen_write` commands into `\"foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.safe_popen_write("foo", "bar")
end
end
RUBY
end
it "reports and corrects an offense when `Utils.popen_read` arguments with interpolation are unseparated" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read("\#{bin}/foo bar")
^^^^^^^^^^^^^^^^ Separate `Utils.popen_read` commands into `\"\#{bin}/foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read("\#{bin}/foo", "bar")
end
end
RUBY
end
it "reports no offenses when `Utils.popen_read` arguments with metacharacters are unseparated" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read("foo bar > baz")
end
end
RUBY
end
it "reports no offenses when trailing arguments to `Utils.popen_read` are unseparated" do
expect_no_offenses(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read("foo", "bar baz")
end
end
RUBY
end
it "reports and corrects an offense when `Utils.popen_read` arguments are unseparated after a shell variable" do
expect_offense(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read({ "SHELL" => "bash"}, "foo bar")
^^^^^^^^^ Separate `Utils.popen_read` commands into `\"foo\", \"bar\"`
end
end
RUBY
expect_correction(<<~RUBY)
class Foo < Formula
def install
Utils.popen_read({ "SHELL" => "bash"}, "foo", "bar")
end
end
RUBY
end
end
end