brew/Library/Homebrew/formula_assertions.rb
2017-07-07 09:43:39 +01:00

33 lines
938 B
Ruby

module Homebrew
module Assertions
require "test/unit/assertions"
include ::Test::Unit::Assertions
# TODO: remove this when we no longer support Ruby 2.0.
unless defined?(Test::Unit::AssertionFailedError)
Test::Unit::AssertionFailedError = MiniTest::Assertion
end
# Returns the output of running cmd, and asserts the exit status
def shell_output(cmd, result = 0)
ohai cmd
output = `#{cmd}`
assert_equal result, $CHILD_STATUS.exitstatus
output
end
# Returns the output of running the cmd with the optional input, and
# optionally asserts the exit status
def pipe_output(cmd, input = nil, result = nil)
ohai cmd
output = IO.popen(cmd, "w+") do |pipe|
pipe.write(input) unless input.nil?
pipe.close_write
pipe.read
end
assert_equal result, $CHILD_STATUS.exitstatus unless result.nil?
output
end
end
end