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require 'test/unit'
require 'tmpdir'
require_relative 'envutil'
class TestSystem < Test::Unit::TestCase
def valid_syntax?(code, fname)
code.force_encoding("ascii-8bit")
code = code.sub(/\A(?:\s*\#.*$)*(\n)?/n) {
"#$&#{"\n" if $1 && !$2}BEGIN{throw tag, :ok}\n"
}
catch {|tag| eval(code, binding, fname, 0)}
end
def test_system
ruby = EnvUtil.rubybin
assert_equal("foobar\n", `echo foobar`)
assert_equal('foobar', `#{ruby} -e 'print "foobar"'`)
Dir.mktmpdir("ruby_script_tmp") {|tmpdir|
tmpfilename = "#{tmpdir}/ruby_script_tmp.#{$$}"
tmp = open(tmpfilename, "w")
tmp.print "print $zzz\n";
tmp.close
assert_equal('true', `#{ruby} -s #{tmpfilename} -zzz`)
assert_equal('555', `#{ruby} -s #{tmpfilename} -zzz=555`)
tmp = open(tmpfilename, "w")
tmp.print "#! /usr/local/bin/ruby -s\n";
tmp.print "print $zzz\n";
tmp.close
assert_equal('678', `#{ruby} #{tmpfilename} -zzz=678`)
tmp = open(tmpfilename, "w")
tmp.print "this is a leading junk\n";
tmp.print "#! /usr/local/bin/ruby -s\n";
tmp.print "print $zzz\n";
tmp.print "__END__\n";
tmp.print "this is a trailing junk\n";
tmp.close
assert_equal('', `#{ruby} -x #{tmpfilename}`)
assert_equal('555', `#{ruby} -x #{tmpfilename} -zzz=555`)
tmp = open(tmpfilename, "w")
for i in 1..5
tmp.print i, "\n"
end
tmp.close
`#{ruby} -i.bak -pe '$_.sub!(/^[0-9]+$/){$&.to_i * 5}' #{tmpfilename}`
tmp = open(tmpfilename, "r")
while tmp.gets
assert_equal(0, $_.to_i % 5)
end
tmp.close
File.unlink tmpfilename or `/bin/rm -f "#{tmpfilename}"`
File.unlink "#{tmpfilename}.bak" or `/bin/rm -f "#{tmpfilename}.bak"`
}
end
def test_syntax
assert_nothing_raised(Exception) do
for script in Dir[File.expand_path("../../../{lib,sample,ext}/**/*.rb", __FILE__)]
valid_syntax? IO::read(script), script
end
end
end
def test_empty_evstr
assert_equal("", eval('"#{}"', nil, __FILE__, __LINE__), "[ruby-dev:25113]")
end
end
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