Sha256: 700de4da41aec7139a12ff1a7ab20d4ddff454796ce5672792f6b6a58f100adb
Contents?: true
Size: 1.3 KB
Versions: 83
Compression:
Stored size: 1.3 KB
Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "IO::popen" do
# NOTE: cause Errno::EBADF on 1.8.6
#ruby_bug "#", "1.8.6" do
it "reads from a read-only pipe" do
IO.popen("echo foo", "r") do |io|
io.read.should == "foo\n"
lambda { io.write('foo').should }.should \
raise_error(IOError, 'not opened for writing')
end
end
platform_is_not :windows do
it "reads and writes to a read/write pipe" do
data = IO.popen("cat", "r+") do |io|
io.write("bar")
io.read 3
end
data.should == "bar"
end
it "writes to a write-only pipe" do
begin
tmp_file = tmp "IO_popen_spec_#{$$}"
data = IO.popen "cat > #{tmp_file}", 'w' do |io|
io.write 'bar'
lambda { io.read.should }.should \
raise_error(IOError, 'not opened for reading')
end
File.read(tmp_file).should == 'bar'
ensure
File.unlink tmp_file if File.exist? tmp_file
end
end
end
it "allows the io to be closed inside the block" do
io = IO.popen('yes', 'r') do |io|
io.close
io.closed?.should == true
io
end
io.closed?.should == true
end
#end
end
Version data entries
83 entries across 83 versions & 1 rubygems