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require 'testing_env'
require 'test/testball'
require 'keg'
require 'stringio'
class LinkTests < Test::Unit::TestCase
include FileUtils
def setup
@formula = TestBall.new
shutup do
@formula.brew { @formula.install }
end
@keg = Keg.for @formula.prefix
@keg.unlink
@mode = OpenStruct.new
@old_stdout = $stdout
$stdout = StringIO.new
mkpath HOMEBREW_PREFIX/"bin"
end
def test_linking_keg
assert_equal 3, @keg.link
end
def test_unlinking_keg
@keg.link
assert_equal 3, @keg.unlink
end
def test_link_dry_run
@mode.dry_run = true
assert_equal 0, @keg.link(@mode)
assert !@keg.linked?
['hiworld', 'helloworld', 'goodbye_cruel_world'].each do |file|
assert_match "/private/tmp/testbrew/prefix/bin/#{file}", $stdout.string
end
assert_equal 3, $stdout.string.lines.count
end
def test_linking_fails_when_already_linked
@keg.link
assert_raise RuntimeError, "Cannot link testball" do
shutup { @keg.link }
end
end
def test_linking_fails_when_files_exist
touch HOMEBREW_PREFIX/"bin/helloworld"
assert_raise RuntimeError do
shutup { @keg.link }
end
end
def test_link_overwrite
touch HOMEBREW_PREFIX/"bin/helloworld"
@mode.overwrite = true
assert_equal 3, @keg.link(@mode)
end
def test_link_overwrite_broken_symlinks
cd HOMEBREW_PREFIX/"bin" do
ln_s "nowhere", "helloworld"
end
@mode.overwrite = true
assert_equal 3, @keg.link(@mode)
end
def test_link_overwrite_dryrun
touch HOMEBREW_PREFIX/"bin/helloworld"
@mode.overwrite = true
@mode.dry_run = true
assert_equal 0, @keg.link(@mode)
assert !@keg.linked?
assert_equal "/private/tmp/testbrew/prefix/bin/helloworld\n", $stdout.string
end
def teardown
@keg.unlink
@keg.rmtree
$stdout = @old_stdout
rmtree HOMEBREW_PREFIX/"bin"
end
end
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