brew/Library/Homebrew/formula_assertions.rb

45 lines
1.0 KiB
Ruby

module Homebrew
module Assertions
if defined?(Gem)
begin
gem "minitest", "< 5.0.0"
rescue Gem::LoadError
require "test/unit/assertions"
else
require "minitest/unit"
require "test/unit/assertions"
end
else
require "test/unit/assertions"
end
if defined?(MiniTest::Assertion)
FailedAssertion = MiniTest::Assertion
elsif defined?(Minitest::Assertion)
FailedAssertion = Minitest::Assertion
else
FailedAssertion = Test::Unit::AssertionFailedError
end
include Test::Unit::Assertions
# Returns the output of running cmd, and asserts the exit status
def shell_output(cmd, result=0)
ohai cmd
output = `#{cmd}`
assert_equal result, $?.exitstatus
output
end
# Returns the output of running the cmd, with the optional input
def pipe_output(cmd, input=nil)
ohai cmd
IO.popen(cmd, "w+") do |pipe|
pipe.write(input) unless input.nil?
pipe.close_write
pipe.read
end
end
end
end