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108 lines
3.9 KiB
Ruby
108 lines
3.9 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'optparse'
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class TestOptionParser < Test::Unit::TestCase
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def setup
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@opt = OptionParser.new
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@flag = self.class # cannot set by option
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end
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class DummyOutput < String
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alias write concat
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end
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def assert_no_error(*args)
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$stderr, stderr = DummyOutput.new, $stderr
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assert_nothing_raised(*args) {return yield}
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ensure
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stderr, $stderr = $stderr, stderr
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$!.backtrace.delete_if {|e| /\A#{Regexp.quote(__FILE__)}:#{__LINE__-2}/o =~ e} if $!
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assert_empty(stderr)
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end
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alias no_error assert_no_error
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def test_permute
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assert_equal(%w"", no_error {@opt.permute!(%w"")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo bar", no_error {@opt.permute!(%w"foo bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"- foo bar", no_error {@opt.permute!(%w"- foo bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo bar", no_error {@opt.permute!(%w"-- foo bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo - bar", no_error {@opt.permute!(%w"foo - bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo bar", no_error {@opt.permute!(%w"foo -- bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo --help bar", no_error {@opt.permute!(%w"foo -- --help bar")})
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assert_equal(self.class, @flag)
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end
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def test_order
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assert_equal(%w"", no_error {@opt.order!(%w"")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo bar", no_error {@opt.order!(%w"foo bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"- foo bar", no_error {@opt.order!(%w"- foo bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo bar", no_error {@opt.permute!(%w"-- foo bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo - bar", no_error {@opt.order!(%w"foo - bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo -- bar", no_error {@opt.order!(%w"foo -- bar")})
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assert_equal(self.class, @flag)
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assert_equal(%w"foo -- --help bar", no_error {@opt.order!(%w"foo -- --help bar")})
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assert_equal(self.class, @flag)
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end
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def test_regexp
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return unless defined?(@reopt)
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assert_equal(%w"", no_error {@opt.parse!(%w"--regexp=/foo/")})
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assert_equal(/foo/, @reopt)
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assert_equal(%w"", no_error {@opt.parse!(%w"--regexp=/foo/i")})
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assert_equal(/foo/i, @reopt)
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assert_equal(%w"", no_error {@opt.parse!(%w"--regexp=/foo/n")})
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assert_equal(/foo/n, @reopt)
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end
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def test_into
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@opt.def_option "-h", "--host=HOST", "hostname"
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@opt.def_option "-p", "--port=PORT", "port", Integer
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@opt.def_option "-v", "--verbose" do @verbose = true end
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@opt.def_option "-q", "--quiet" do @quiet = true end
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result = {}
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@opt.parse %w(--host localhost --port 8000 -v), into: result
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assert_equal({host: "localhost", port: 8000, verbose: true}, result)
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assert_equal(true, @verbose)
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end
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def test_require_exact
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@opt.def_option('-F', '--zrs=IRS', 'zrs')
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%w(--zrs --zr --z -zfoo -z -F -Ffoo).each do |arg|
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result = {}
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@opt.parse([arg, 'foo'], into: result)
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assert_equal({zrs: 'foo'}, result)
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end
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@opt.require_exact = true
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%w(--zrs -F -Ffoo).each do |arg|
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result = {}
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@opt.parse([arg, 'foo'], into: result)
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assert_equal({zrs: 'foo'}, result)
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end
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assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(--zr foo))}
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assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(--z foo))}
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assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(-zrs foo))}
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assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(-zr foo))}
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assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(-z foo))}
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end
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def test_nonopt_pattern
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@opt.def_option(/^[^-]/) do |arg|
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assert(false, "Never gets called")
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end
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e = assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(-t))}
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assert_equal(["-t"], e.args)
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end
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end
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