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41 lines
1 KiB
Ruby
41 lines
1 KiB
Ruby
require_relative '../../spec_helper'
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require 'open3'
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describe "Open3.popen3" do
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it "returns in, out, err and a thread waiting the process" do
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stdin, out, err, waiter = Open3.popen3(ruby_cmd("print :foo"))
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begin
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stdin.should be_kind_of IO
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out.should be_kind_of IO
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err.should be_kind_of IO
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waiter.should be_kind_of Thread
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out.read.should == "foo"
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ensure
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stdin.close
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out.close
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err.close
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waiter.join
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end
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end
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it "executes a process with a pipe to read stdout" do
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Open3.popen3(ruby_cmd("print :foo")) do |stdin, out, err|
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out.read.should == "foo"
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end
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end
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it "executes a process with a pipe to read stderr" do
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Open3.popen3(ruby_cmd("STDERR.print :foo")) do |stdin, out, err|
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err.read.should == "foo"
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end
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end
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it "executes a process with a pipe to write stdin" do
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Open3.popen3(ruby_cmd("print STDIN.read")) do |stdin, out, err|
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stdin.write("foo")
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stdin.close
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out.read.should == "foo"
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end
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end
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end
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