homebrew-cask/test/test_helper.rb

151 lines
4.0 KiB
Ruby

require 'bundler'
require 'bundler/setup'
require 'coveralls'
Coveralls.wear_merged!
# just in case
if RUBY_VERSION.to_i < 2
raise 'brew-cask: Ruby 2.0 or greater is required.'
end
# force some environment variables
ENV['HOMEBREW_NO_EMOJI']='1'
# add homebrew-cask lib to load path
brew_cask_path = Pathname.new(File.expand_path(__FILE__+'/../../'))
casks_path = brew_cask_path.join('Casks')
lib_path = brew_cask_path.join('lib')
$:.push(lib_path)
# require homebrew testing env
# todo: removeme, this is transitional
require 'vendor/homebrew-fork/testing_env'
# todo temporary, copied from old Homebrew, this method is now moved inside a class
def shutup
if ENV.has_key?('VERBOSE_TESTS')
yield
else
begin
tmperr = $stderr.clone
tmpout = $stdout.clone
$stderr.reopen '/dev/null', 'w'
$stdout.reopen '/dev/null', 'w'
yield
ensure
$stderr.reopen tmperr
$stdout.reopen tmpout
end
end
end
# making homebrew's cache dir allows us to actually download Casks in tests
HOMEBREW_CACHE.mkpath
HOMEBREW_CACHE.join('Casks').mkpath
# must be called after testing_env so at_exit hooks are in proper order
require 'minitest/autorun'
# todo, re-enable minitest-colorize, broken under current test environment for unknown reasons
# require 'minitest-colorize'
# Force mocha to patch MiniTest since we have both loaded thanks to homebrew's testing_env
require 'mocha/api'
require 'mocha/integration/mini_test'
Mocha::Integration::MiniTest.activate
# our baby
require 'hbc'
# override Homebrew locations
Hbc.homebrew_prefix = Pathname.new(TEST_TMPDIR).join('prefix')
Hbc.homebrew_repository = Hbc.homebrew_prefix
Hbc.homebrew_tapspath = nil
# Look for Casks in testcasks by default. It is elsewhere required that
# the string "test" appear in the directory name.
Hbc.default_tap = 'caskroom/homebrew-testcasks'
# our own testy caskroom
Hbc.caskroom = Hbc.homebrew_prefix.join('TestCaskroom')
class TestHelper
# helpers for test Casks to reference local files easily
def self.local_binary_path(name)
File.expand_path(File.join(File.dirname(__FILE__), 'support', 'binaries', name))
end
def self.local_binary_url(name)
'file://' + local_binary_path(name)
end
def self.test_cask
Hbc.load('basic-cask')
end
def self.fake_fetcher
Hbc::FakeFetcher
end
def self.fake_response_for(*args)
Hbc::FakeFetcher.fake_response_for(*args)
end
def self.must_output(test, lambda, expected)
out, err = test.capture_subprocess_io do
lambda.call
end
if expected.is_a? Regexp
(out+err).chomp.must_match expected
else
(out+err).chomp.must_equal expected.gsub(/^ */, '')
end
end
def self.valid_alias?(candidate)
return false unless candidate.symlink?
candidate.readlink.exist?
end
def self.install_without_artifacts(cask)
Hbc::Installer.new(cask).tap do |i|
shutup do
i.download
i.extract_primary_container
end
end
end
end
require 'support/fake_fetcher'
require 'support/fake_dirs'
require 'support/fake_system_command'
require 'support/cleanup'
require 'support/never_sudo_system_command'
require 'tmpdir'
require 'tempfile'
# pretend like we installed the homebrew-cask tap
project_root = Pathname.new(File.expand_path("#{File.dirname(__FILE__)}/../"))
taps_dest = Hbc.homebrew_prefix.join(*%w{Library Taps caskroom})
# create directories
FileUtils.mkdir_p taps_dest
FileUtils.mkdir_p Hbc.homebrew_prefix.join('bin')
FileUtils.ln_s project_root, taps_dest.join('homebrew-cask')
# Common superclass for test Casks for when we need to filter them out
module Hbc
class TestCask < Cask; end
end
# jack in some optional utilities
FileUtils.ln_s '/usr/local/bin/cabextract', Hbc.homebrew_prefix.join('bin/cabextract')
FileUtils.ln_s '/usr/local/bin/unar', Hbc.homebrew_prefix.join('bin/unar')
FileUtils.ln_s '/usr/local/bin/lsar', Hbc.homebrew_prefix.join('bin/lsar')
# also jack in some test Casks
FileUtils.ln_s project_root.join('test', 'support'), taps_dest.join('homebrew-testcasks')