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Enhance to support 'Set' object as an enum #76

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d5b2852
Enhance to support 'Set' object as an enum
kwatch Oct 3, 2024
765de51
Add test script for '#make_swithc()'
kwatch Oct 3, 2024
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3 changes: 2 additions & 1 deletion lib/optparse.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
#
# See OptionParser for documentation.
#
require 'set' unless defined?(Set)

#--
# == Developer Documentation (not for RDoc output)
Expand Down Expand Up @@ -1494,7 +1495,7 @@ def make_switch(opts, block = nil)
case o
when Proc, Method
block = notwice(o, block, 'block')
when Array, Hash
when Array, Hash, Set
case pattern
when CompletingHash
when nil
Expand Down
50 changes: 50 additions & 0 deletions test/optparse/test_switch.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
# frozen_string_literal: false

require 'test/unit'
require 'optparse'


class TestOptionParserSwitch < Test::Unit::TestCase

def setup
@parser = OptionParser.new
end

def assert_invalidarg_error(msg, &block)
exc = assert_raise(OptionParser::InvalidArgument) do
yield
end
assert_equal "invalid argument: #{msg}", exc.message
end

def test_make_switch__enum_array
p = @parser
p.on("--enum=<val>", ["aa", "bb", "cc"])
p.permute(["--enum=bb"], into: (opts={}))
assert_equal({:enum=>"bb"}, opts)
assert_invalidarg_error("--enum=dd") do
p.permute(["--enum=dd"], into: (opts={}))
end
end

def test_make_switch__enum_hash
p = @parser
p.on("--hash=<val>", {"aa"=>"AA", "bb"=>"BB"})
p.permute(["--hash=bb"], into: (opts={}))
assert_equal({:hash=>"BB"}, opts)
assert_invalidarg_error("--hash=dd") do
p.permute(["--hash=dd"], into: (opts={}))
end
end

def test_make_switch__enum_set
p = @parser
p.on("--set=<val>", Set.new(["aa", "bb", "cc"]))
p.permute(["--set=bb"], into: (opts={}))
assert_equal({:set=>"bb"}, opts)
assert_invalidarg_error("--set=dd") do
p.permute(["--set=dd"], into: (opts={}))
end
end

end