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84 lines
2.4 KiB
Ruby
84 lines
2.4 KiB
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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describe "Kernel#`" do
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before :each do
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@original_external = Encoding.default_external
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end
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after :each do
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Encoding.default_external = @original_external
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end
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it "is a private method" do
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Kernel.should have_private_instance_method(:`)
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end
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it "returns the standard output of the executed sub-process" do
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ip = 'world'
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`echo disc #{ip}`.should == "disc world\n"
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end
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it "lets the standard error stream pass through to the inherited stderr" do
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cmd = ruby_cmd('STDERR.print "error stream"')
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-> {
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`#{cmd}`.should == ""
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}.should output_to_fd("error stream", STDERR)
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end
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it "produces a String in the default external encoding" do
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Encoding.default_external = Encoding::SHIFT_JIS
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`echo disc`.encoding.should equal(Encoding::SHIFT_JIS)
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end
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it "raises an Errno::ENOENT if the command is not executable" do
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-> { `nonexistent_command` }.should raise_error(Errno::ENOENT)
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end
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platform_is_not :windows do
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it "handles invalid UTF-8 bytes in command" do
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`echo "testing\xC2 a non UTF-8 string"`.b.should == "testing\xC2 a non UTF-8 string\n".b
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end
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it "sets $? to the exit status of the executed sub-process" do
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ip = 'world'
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`echo disc #{ip}`
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$?.should be_kind_of(Process::Status)
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$?.should_not.stopped?
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$?.should.exited?
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$?.exitstatus.should == 0
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$?.should.success?
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`echo disc #{ip}; exit 99`
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$?.should be_kind_of(Process::Status)
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$?.should_not.stopped?
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$?.should.exited?
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$?.exitstatus.should == 99
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$?.should_not.success?
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end
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end
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platform_is :windows do
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it "sets $? to the exit status of the executed sub-process" do
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ip = 'world'
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`echo disc #{ip}`
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$?.should be_kind_of(Process::Status)
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$?.should_not.stopped?
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$?.should.exited?
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$?.exitstatus.should == 0
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$?.should.success?
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`echo disc #{ip}& exit 99`
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$?.should be_kind_of(Process::Status)
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$?.should_not.stopped?
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$?.should.exited?
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$?.exitstatus.should == 99
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$?.should_not.success?
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end
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end
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end
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describe "Kernel.`" do
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it "tries to convert the given argument to String using #to_str" do
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(obj = mock('echo test')).should_receive(:to_str).and_return("echo test")
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Kernel.`(obj).should == "test\n" #` fix vim syntax highlighting
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end
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end
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