RSpec
Ruby on Rails
Ruby
method
capture_subprocess_io
Ruby latest stable (v2_5_5)
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0 notes -
Class: Assertions
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378
- 1_9_2_180
- 1_9_3_125
- 1_9_3_392
- 2_1_10 (0)
- 2_2_9
- 2_4_6
- 2_5_5
- 2_6_3
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diff
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diff=
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assert
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assert_block
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assert_empty
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assert_equal
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assert_silent
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capture_io
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capture_subprocess_io
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exception_details
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flunk
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refute
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= private
= protected
capture_subprocess_io()
public
Captures $stdout and $stderr into strings, using Tempfile to ensure that subprocess IO is captured as well.
out, err = capture_subprocess_io do system "echo Some info" system "echo You did a bad thing 1>&2" end assert_match %r%info%, out assert_match %r%bad%, err
NOTE: This method is approximately 10x slower than #capture_io so only use it when you need to test the output of a subprocess.
