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Test Kernel#quietly

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This commit is contained in:
Akira Matsuda 2013-01-23 08:20:58 +09:00
parent 36ff09d7da
commit ffd0dd31f8
1 changed files with 12 additions and 0 deletions
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12
activesupport/test/core_ext/kernel_test.rb
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@ -38,6 +38,18 @@ class KernelTest < ActiveSupport::TestCase
# Skip if we can't STDERR.tell
end
def test_quietly
old_stdout_position, old_stderr_position = STDOUT.tell, STDERR.tell
quietly do
puts 'see me, feel me'
STDERR.puts 'touch me, heal me'
end
assert_equal old_stdout_position, STDOUT.tell
assert_equal old_stderr_position, STDERR.tell
rescue Errno::ESPIPE
# Skip if we can't STDERR.tell
end
def test_silence_stderr_with_return_value
assert_equal 1, silence_stderr { 1 }
end