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41 lines
1.3 KiB
Ruby
41 lines
1.3 KiB
Ruby
module Homebrew
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module Assertions
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require "test/unit/assertions"
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include ::Test::Unit::Assertions
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# Custom name here for cross-version compatibility.
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# In Ruby 2.0, Test::Unit::Assertions raise a MiniTest::Assertion,
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# but they raise Test::Unit::AssertionFailedError in 2.3.
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# If neither is defined, this might be a completely different
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# version of Ruby.
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if defined?(MiniTest::Assertion)
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AssertionFailed = MiniTest::Assertion
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elsif defined?(Test::Unit::AssertionFailedError)
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AssertionFailed = Test::Unit::AssertionFailedError
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else
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raise NameError, "Unable to find an assertion class for this version of Ruby (#{RUBY_VERSION})"
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end
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# Returns the output of running cmd, and asserts the exit status
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def shell_output(cmd, result = 0)
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ohai cmd
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output = `#{cmd}`
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assert_equal result, $CHILD_STATUS.exitstatus
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output
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end
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# Returns the output of running the cmd with the optional input, and
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# optionally asserts the exit status
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def pipe_output(cmd, input = nil, result = nil)
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ohai cmd
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output = IO.popen(cmd, "w+") do |pipe|
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pipe.write(input) unless input.nil?
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pipe.close_write
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pipe.read
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end
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assert_equal result, $CHILD_STATUS.exitstatus unless result.nil?
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output
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end
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end
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end
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