/
test_argf.rb
63 lines (49 loc) · 1.61 KB
/
test_argf.rb
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require 'test/unit'
require 'test/test_helper'
require 'rbconfig'
# Since we haven't found a good way to instantiate multiple ARGF instances for testing,
# the approach here is to fork to another process, run few things, and be done with it.
# Given JRuby startup time, ARGF is not a terribly valuable feature, so this level of testing is enough.
SCRIPT = <<END_OF_SCRIPT
def test_equal(expected, actual)
raise "Expected: \#{expected.inspect}, got: \#{actual.inspect}" unless expected == actual
end
def test_to_io
raise "Could not coerce ARGF to IO" unless ARGF.to_io.is_a? IO
end
test_to_io
# should not raise anything
test_equal "1:1\\n", ARGF.gets
test_to_io
ARGF.each_with_index do |line, index|
case index
when 0 then test_equal "1:2", line
when 1 then test_equal "2:1\\n", line
when 2
test_equal "2:2\\n", line
break
else raise 'Should never get here'
end
end
test_equal nil, ARGF.gets
END_OF_SCRIPT
class TestArgf < Test::Unit::TestCase
include TestHelper
def test_argf_sanity
begin
File.open('__argf_script.rb', 'w') { |f| f.write SCRIPT }
File.open('__argf_input_1', 'w') { |f| f.write "1:1\n1:2" }
File.open('__argf_input_2', 'w') { |f| f.write "2:1\n2:2\n" }
assert jruby("__argf_script.rb", "__argf_input_1", "__argf_input_2"),
"Smoke test script for ARGF failed"
ensure
File.unlink '__argf_script.rb' rescue nil
File.unlink '__argf_input_1' rescue nil
File.unlink '__argf_input_2' rescue nil
File.unlink '__argf_input_3' rescue nil
end
end
def test_argf_cloning
assert_equal "ARGF", ARGF.clone.to_s
end
end