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test_dsl: fix test using pipe command #5160

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Merged
merged 1 commit into from
Nov 21, 2025
Merged

test_dsl: fix test using pipe command #5160

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9 changes: 8 additions & 1 deletion test/config/test_dsl.rb
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
require_relative '../helper'
require 'fluent/config/element'
require "fluent/config/dsl"
require 'tempfile'

TMP_DIR = File.dirname(__FILE__) + "/tmp/config_dsl#{ENV['TEST_ENV_NUMBER']}"
def write_config(path, data)
Expand Down Expand Up @@ -358,9 +359,13 @@ def setup
sub_test_case '.parse' do
test 'can get result of Kernel.open() by ruby.open()' do
uname_string = `uname -a`
tmpfile = Tempfile.create('fluentd-test')
tmpfile.write(uname_string)
tmpfile.close

root = Fluent::Config::DSL::Parser.parse(<<DSL)
worker {
uname_str = ruby.open('|uname -a'){|out| out.read}
uname_str = ruby.open("#{tmpfile.path}"){|out| out.read}
source {
uname uname_str
}
Expand All @@ -372,6 +377,8 @@ def setup
assert_equal('source', source.name)
assert_equal(1, source.keys.size)
assert_equal(uname_string, source['uname'])
ensure
File.delete(tmpfile.path)
end

test 'accepts ruby keyword with block, which allow to use methods included from ::Kernel' do
Expand Down