dotar/bin/yadr/lib/trollop-1.16.2/test/test_trollop.rb

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## test/test_trollop.rb -- unit tests for trollop
## Author:: William Morgan (mailto: wmorgan-trollop@masanjin.net)
## Copyright:: Copyright 2007 William Morgan
## License:: GNU GPL version 2
require 'test/unit'
require 'stringio'
require 'trollop'
module Trollop
module Test
class Trollop < ::Test::Unit::TestCase
def setup
@p = Parser.new
end
def test_unknown_arguments
assert_raise(CommandlineError) { @p.parse(%w(--arg)) }
@p.opt "arg"
assert_nothing_raised { @p.parse(%w(--arg)) }
assert_raise(CommandlineError) { @p.parse(%w(--arg2)) }
end
def test_syntax_check
@p.opt "arg"
assert_nothing_raised { @p.parse(%w(--arg)) }
assert_nothing_raised { @p.parse(%w(arg)) }
assert_raise(CommandlineError) { @p.parse(%w(---arg)) }
assert_raise(CommandlineError) { @p.parse(%w(-arg)) }
end
def test_required_flags_are_required
@p.opt "arg", "desc", :required => true
@p.opt "arg2", "desc", :required => false
@p.opt "arg3", "desc", :required => false
assert_nothing_raised { @p.parse(%w(--arg)) }
assert_nothing_raised { @p.parse(%w(--arg --arg2)) }
assert_raise(CommandlineError) { @p.parse(%w(--arg2)) }
assert_raise(CommandlineError) { @p.parse(%w(--arg2 --arg3)) }
end
## flags that take an argument error unless given one
def test_argflags_demand_args
@p.opt "goodarg", "desc", :type => String
@p.opt "goodarg2", "desc", :type => String
assert_nothing_raised { @p.parse(%w(--goodarg goat)) }
assert_raise(CommandlineError) { @p.parse(%w(--goodarg --goodarg2 goat)) }
assert_raise(CommandlineError) { @p.parse(%w(--goodarg)) }
end
## flags that don't take arguments ignore them
def test_arglessflags_refuse_args
@p.opt "goodarg"
@p.opt "goodarg2"
assert_nothing_raised { @p.parse(%w(--goodarg)) }
assert_nothing_raised { @p.parse(%w(--goodarg --goodarg2)) }
opts = @p.parse %w(--goodarg a)
assert_equal true, opts["goodarg"]
assert_equal ["a"], @p.leftovers
end
## flags that require args of a specific type refuse args of other
## types
def test_typed_args_refuse_args_of_other_types
assert_nothing_raised { @p.opt "goodarg", "desc", :type => :int }
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :type => :asdf }
assert_nothing_raised { @p.parse(%w(--goodarg 3)) }
assert_raise(CommandlineError) { @p.parse(%w(--goodarg 4.2)) }
assert_raise(CommandlineError) { @p.parse(%w(--goodarg hello)) }
end
## type is correctly derived from :default
def test_type_correctly_derived_from_default
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :default => [] }
opts = nil
# single arg: int
assert_nothing_raised { @p.opt "argsi", "desc", :default => 0 }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal 0, opts["argsi"]
assert_nothing_raised { opts = @p.parse(%w(--argsi 4)) }
assert_equal 4, opts["argsi"]
assert_raise(CommandlineError) { @p.parse(%w(--argsi 4.2)) }
assert_raise(CommandlineError) { @p.parse(%w(--argsi hello)) }
# single arg: float
assert_nothing_raised { @p.opt "argsf", "desc", :default => 3.14 }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal 3.14, opts["argsf"]
assert_nothing_raised { opts = @p.parse(%w(--argsf 2.41)) }
assert_equal 2.41, opts["argsf"]
assert_nothing_raised { opts = @p.parse(%w(--argsf 2)) }
assert_equal 2, opts["argsf"]
assert_nothing_raised { opts = @p.parse(%w(--argsf 1.0e-2)) }
assert_equal 1.0e-2, opts["argsf"]
assert_raise(CommandlineError) { @p.parse(%w(--argsf hello)) }
# single arg: date
date = Date.today
assert_nothing_raised { @p.opt "argsd", "desc", :default => date }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal Date.today, opts["argsd"]
assert_nothing_raised { opts = @p.parse(['--argsd', 'Jan 4, 2007']) }
assert_equal Date.civil(2007, 1, 4), opts["argsd"]
assert_raise(CommandlineError) { @p.parse(%w(--argsd hello)) }
# single arg: string
assert_nothing_raised { @p.opt "argss", "desc", :default => "foobar" }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal "foobar", opts["argss"]
assert_nothing_raised { opts = @p.parse(%w(--argss 2.41)) }
assert_equal "2.41", opts["argss"]
assert_nothing_raised { opts = @p.parse(%w(--argss hello)) }
assert_equal "hello", opts["argss"]
# multi args: ints
assert_nothing_raised { @p.opt "argmi", "desc", :default => [3, 5] }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal [3, 5], opts["argmi"]
assert_nothing_raised { opts = @p.parse(%w(--argmi 4)) }
assert_equal [4], opts["argmi"]
assert_raise(CommandlineError) { @p.parse(%w(--argmi 4.2)) }
assert_raise(CommandlineError) { @p.parse(%w(--argmi hello)) }
# multi args: floats
assert_nothing_raised { @p.opt "argmf", "desc", :default => [3.34, 5.21] }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal [3.34, 5.21], opts["argmf"]
assert_nothing_raised { opts = @p.parse(%w(--argmf 2)) }
assert_equal [2], opts["argmf"]
assert_nothing_raised { opts = @p.parse(%w(--argmf 4.0)) }
assert_equal [4.0], opts["argmf"]
assert_raise(CommandlineError) { @p.parse(%w(--argmf hello)) }
# multi args: dates
dates = [Date.today, Date.civil(2007, 1, 4)]
assert_nothing_raised { @p.opt "argmd", "desc", :default => dates }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal dates, opts["argmd"]
assert_nothing_raised { opts = @p.parse(['--argmd', 'Jan 4, 2007']) }
assert_equal [Date.civil(2007, 1, 4)], opts["argmd"]
assert_raise(CommandlineError) { @p.parse(%w(--argmd hello)) }
# multi args: strings
assert_nothing_raised { @p.opt "argmst", "desc", :default => %w(hello world) }
assert_nothing_raised { opts = @p.parse(%w(--)) }
assert_equal %w(hello world), opts["argmst"]
assert_nothing_raised { opts = @p.parse(%w(--argmst 3.4)) }
assert_equal ["3.4"], opts["argmst"]
assert_nothing_raised { opts = @p.parse(%w(--argmst goodbye)) }
assert_equal ["goodbye"], opts["argmst"]
end
## :type and :default must match if both are specified
def test_type_and_default_must_match
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :type => :int, :default => "hello" }
assert_raise(ArgumentError) { @p.opt "badarg2", "desc", :type => :String, :default => 4 }
assert_raise(ArgumentError) { @p.opt "badarg2", "desc", :type => :String, :default => ["hi"] }
assert_raise(ArgumentError) { @p.opt "badarg2", "desc", :type => :ints, :default => [3.14] }
assert_nothing_raised { @p.opt "argsi", "desc", :type => :int, :default => 4 }
assert_nothing_raised { @p.opt "argsf", "desc", :type => :float, :default => 3.14 }
assert_nothing_raised { @p.opt "argsd", "desc", :type => :date, :default => Date.today }
assert_nothing_raised { @p.opt "argss", "desc", :type => :string, :default => "yo" }
assert_nothing_raised { @p.opt "argmi", "desc", :type => :ints, :default => [4] }
assert_nothing_raised { @p.opt "argmf", "desc", :type => :floats, :default => [3.14] }
assert_nothing_raised { @p.opt "argmd", "desc", :type => :dates, :default => [Date.today] }
assert_nothing_raised { @p.opt "argmst", "desc", :type => :strings, :default => ["yo"] }
end
def test_long_detects_bad_names
assert_nothing_raised { @p.opt "goodarg", "desc", :long => "none" }
assert_nothing_raised { @p.opt "goodarg2", "desc", :long => "--two" }
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :long => "" }
assert_raise(ArgumentError) { @p.opt "badarg2", "desc", :long => "--" }
assert_raise(ArgumentError) { @p.opt "badarg3", "desc", :long => "-one" }
assert_raise(ArgumentError) { @p.opt "badarg4", "desc", :long => "---toomany" }
end
def test_short_detects_bad_names
assert_nothing_raised { @p.opt "goodarg", "desc", :short => "a" }
assert_nothing_raised { @p.opt "goodarg2", "desc", :short => "-b" }
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :short => "" }
assert_raise(ArgumentError) { @p.opt "badarg2", "desc", :short => "-ab" }
assert_raise(ArgumentError) { @p.opt "badarg3", "desc", :short => "--t" }
end
def test_short_names_created_automatically
@p.opt "arg"
@p.opt "arg2"
@p.opt "arg3"
opts = @p.parse %w(-a -g)
assert_equal true, opts["arg"]
assert_equal false, opts["arg2"]
assert_equal true, opts["arg3"]
end
def test_short_autocreation_skips_dashes_and_numbers
@p.opt :arg # auto: a
@p.opt :arg_potato # auto: r
@p.opt :arg_muffin # auto: g
assert_nothing_raised { @p.opt :arg_daisy } # auto: d (not _)!
assert_nothing_raised { @p.opt :arg_r2d2f } # auto: f (not 2)!
opts = @p.parse %w(-f -d)
assert_equal true, opts[:arg_daisy]
assert_equal true, opts[:arg_r2d2f]
assert_equal false, opts[:arg]
assert_equal false, opts[:arg_potato]
assert_equal false, opts[:arg_muffin]
end
def test_short_autocreation_is_ok_with_running_out_of_chars
@p.opt :arg1 # auto: a
@p.opt :arg2 # auto: r
@p.opt :arg3 # auto: g
@p.opt :arg4 # auto: uh oh!
assert_nothing_raised { @p.parse [] }
end
def test_short_can_be_nothing
assert_nothing_raised do
@p.opt "arg", "desc", :short => :none
@p.parse []
end
sio = StringIO.new "w"
@p.educate sio
assert sio.string =~ /--arg:\s+desc/
assert_raise(CommandlineError) { @p.parse %w(-a) }
end
## two args can't have the same name
def test_conflicting_names_are_detected
assert_nothing_raised { @p.opt "goodarg" }
assert_raise(ArgumentError) { @p.opt "goodarg" }
end
## two args can't have the same :long
def test_conflicting_longs_detected
assert_nothing_raised { @p.opt "goodarg", "desc", :long => "--goodarg" }
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :long => "--goodarg" }
end
## two args can't have the same :short
def test_conflicting_shorts_detected
assert_nothing_raised { @p.opt "goodarg", "desc", :short => "-g" }
assert_raise(ArgumentError) { @p.opt "badarg", "desc", :short => "-g" }
end
def test_flag_defaults
@p.opt "defaultfalse", "desc"
@p.opt "defaulttrue", "desc", :default => true
opts = @p.parse []
assert_equal false, opts["defaultfalse"]
assert_equal true, opts["defaulttrue"]
opts = @p.parse %w(--defaultfalse --defaulttrue)
assert_equal true, opts["defaultfalse"]
assert_equal false, opts["defaulttrue"]
end
def test_special_flags_work
@p.version "asdf fdas"
assert_raise(VersionNeeded) { @p.parse(%w(-v)) }
assert_raise(HelpNeeded) { @p.parse(%w(-h)) }
end
def test_short_options_combine
@p.opt :arg1, "desc", :short => "a"
@p.opt :arg2, "desc", :short => "b"
@p.opt :arg3, "desc", :short => "c", :type => :int
opts = nil
assert_nothing_raised { opts = @p.parse %w(-a -b) }
assert_equal true, opts[:arg1]
assert_equal true, opts[:arg2]
assert_equal nil, opts[:arg3]
assert_nothing_raised { opts = @p.parse %w(-ab) }
assert_equal true, opts[:arg1]
assert_equal true, opts[:arg2]
assert_equal nil, opts[:arg3]
assert_nothing_raised { opts = @p.parse %w(-ac 4 -b) }
assert_equal true, opts[:arg1]
assert_equal true, opts[:arg2]
assert_equal 4, opts[:arg3]
assert_raises(CommandlineError) { @p.parse %w(-cab 4) }
assert_raises(CommandlineError) { @p.parse %w(-cba 4) }
end
def test_version_only_appears_if_set
@p.opt "arg"
assert_raise(CommandlineError) { @p.parse %w(-v) }
@p.version "trollop 1.2.3.4"
assert_raise(VersionNeeded) { @p.parse %w(-v) }
end
def test_doubledash_ends_option_processing
@p.opt :arg1, "desc", :short => "a", :default => 0
@p.opt :arg2, "desc", :short => "b", :default => 0
opts = nil
assert_nothing_raised { opts = @p.parse %w(-- -a 3 -b 2) }
assert_equal opts[:arg1], 0
assert_equal opts[:arg2], 0
assert_equal %w(-a 3 -b 2), @p.leftovers
assert_nothing_raised { opts = @p.parse %w(-a 3 -- -b 2) }
assert_equal opts[:arg1], 3
assert_equal opts[:arg2], 0
assert_equal %w(-b 2), @p.leftovers
assert_nothing_raised { opts = @p.parse %w(-a 3 -b 2 --) }
assert_equal opts[:arg1], 3
assert_equal opts[:arg2], 2
assert_equal %w(), @p.leftovers
end
def test_wrap
assert_equal [""], @p.wrap("")
assert_equal ["a"], @p.wrap("a")
assert_equal ["one two", "three"], @p.wrap("one two three", :width => 8)
assert_equal ["one two three"], @p.wrap("one two three", :width => 80)
assert_equal ["one", "two", "three"], @p.wrap("one two three", :width => 3)
assert_equal ["onetwothree"], @p.wrap("onetwothree", :width => 3)
assert_equal [
"Test is an awesome program that does something very, very important.",
"",
"Usage:",
" test [options] <filenames>+",
"where [options] are:"], @p.wrap(<<EOM, :width => 100)
Test is an awesome program that does something very, very important.
Usage:
test [options] <filenames>+
where [options] are:
EOM
end
def test_floating_point_formatting
@p.opt :arg, "desc", :type => :float, :short => "f"
opts = nil
assert_nothing_raised { opts = @p.parse %w(-f 1) }
assert_equal 1.0, opts[:arg]
assert_nothing_raised { opts = @p.parse %w(-f 1.0) }
assert_equal 1.0, opts[:arg]
assert_nothing_raised { opts = @p.parse %w(-f 0.1) }
assert_equal 0.1, opts[:arg]
assert_nothing_raised { opts = @p.parse %w(-f .1) }
assert_equal 0.1, opts[:arg]
assert_nothing_raised { opts = @p.parse %w(-f .99999999999999999999) }
assert_equal 1.0, opts[:arg]
assert_nothing_raised { opts = @p.parse %w(-f -1) }
assert_equal(-1.0, opts[:arg])
assert_nothing_raised { opts = @p.parse %w(-f -1.0) }
assert_equal(-1.0, opts[:arg])
assert_nothing_raised { opts = @p.parse %w(-f -0.1) }
assert_equal(-0.1, opts[:arg])
assert_nothing_raised { opts = @p.parse %w(-f -.1) }
assert_equal(-0.1, opts[:arg])
assert_raises(CommandlineError) { @p.parse %w(-f a) }
assert_raises(CommandlineError) { @p.parse %w(-f 1a) }
assert_raises(CommandlineError) { @p.parse %w(-f 1.a) }
assert_raises(CommandlineError) { @p.parse %w(-f a.1) }
assert_raises(CommandlineError) { @p.parse %w(-f 1.0.0) }
assert_raises(CommandlineError) { @p.parse %w(-f .) }
assert_raises(CommandlineError) { @p.parse %w(-f -.) }
end
def test_date_formatting
@p.opt :arg, "desc", :type => :date, :short => 'd'
opts = nil
assert_nothing_raised { opts = @p.parse(['-d', 'Jan 4, 2007']) }
assert_equal Date.civil(2007, 1, 4), opts[:arg]
begin
require 'chronic'
assert_nothing_raised { opts = @p.parse(['-d', 'today']) }
assert_equal Date.today, opts[:arg]
rescue LoadError
# chronic is not available
end
end
def test_short_options_cant_be_numeric
assert_raises(ArgumentError) { @p.opt :arg, "desc", :short => "-1" }
@p.opt :a1b, "desc"
@p.opt :a2b, "desc"
assert_not_equal "2", @p.specs[:a2b][:short]
end
def test_short_options_can_be_weird
assert_nothing_raised { @p.opt :arg1, "desc", :short => "#" }
assert_nothing_raised { @p.opt :arg2, "desc", :short => "." }
assert_raises(ArgumentError) { @p.opt :arg3, "desc", :short => "-" }
end
def test_options_cant_be_set_multiple_times_if_not_specified
@p.opt :arg, "desc", :short => "-x"
assert_nothing_raised { @p.parse %w(-x) }
assert_raises(CommandlineError) { @p.parse %w(-x -x) }
assert_raises(CommandlineError) { @p.parse %w(-xx) }
end
def test_options_can_be_set_multiple_times_if_specified
assert_nothing_raised do
@p.opt :arg, "desc", :short => "-x", :multi => true
end
assert_nothing_raised { @p.parse %w(-x) }
assert_nothing_raised { @p.parse %w(-x -x) }
assert_nothing_raised { @p.parse %w(-xx) }
end
def test_short_options_with_multiple_options
opts = nil
assert_nothing_raised do
@p.opt :xarg, "desc", :short => "-x", :type => String, :multi => true
end
assert_nothing_raised { opts = @p.parse %w(-x a -x b) }
assert_equal %w(a b), opts[:xarg]
assert_equal [], @p.leftovers
end
def short_options_with_multiple_options_does_not_affect_flags_type
opts = nil
assert_nothing_raised do
@p.opt :xarg, "desc", :short => "-x", :type => :flag, :multi => true
end
assert_nothing_raised { opts = @p.parse %w(-x a) }
assert_equal true, opts[:xarg]
assert_equal %w(a), @p.leftovers
assert_nothing_raised { opts = @p.parse %w(-x a -x b) }
assert_equal true, opts[:xarg]
assert_equal %w(a b), @p.leftovers
assert_nothing_raised { opts = @p.parse %w(-xx a -x b) }
assert_equal true, opts[:xarg]
assert_equal %w(a b), @p.leftovers
end
def test_short_options_with_multiple_arguments
opts = nil
@p.opt :xarg, "desc", :type => :ints
assert_nothing_raised { opts = @p.parse %w(-x 3 4 0) }
assert_equal [3, 4, 0], opts[:xarg]
assert_equal [], @p.leftovers
@p.opt :yarg, "desc", :type => :floats
assert_nothing_raised { opts = @p.parse %w(-y 3.14 4.21 0.66) }
assert_equal [3.14, 4.21, 0.66], opts[:yarg]
assert_equal [], @p.leftovers
@p.opt :zarg, "desc", :type => :strings
assert_nothing_raised { opts = @p.parse %w(-z a b c) }
assert_equal %w(a b c), opts[:zarg]
assert_equal [], @p.leftovers
end
def test_short_options_with_multiple_options_and_arguments
opts = nil
@p.opt :xarg, "desc", :type => :ints, :multi => true
assert_nothing_raised { opts = @p.parse %w(-x 3 4 5 -x 6 7) }
assert_equal [[3, 4, 5], [6, 7]], opts[:xarg]
assert_equal [], @p.leftovers
@p.opt :yarg, "desc", :type => :floats, :multi => true
assert_nothing_raised { opts = @p.parse %w(-y 3.14 4.21 5.66 -y 6.99 7.01) }
assert_equal [[3.14, 4.21, 5.66], [6.99, 7.01]], opts[:yarg]
assert_equal [], @p.leftovers
@p.opt :zarg, "desc", :type => :strings, :multi => true
assert_nothing_raised { opts = @p.parse %w(-z a b c -z d e) }
assert_equal [%w(a b c), %w(d e)], opts[:zarg]
assert_equal [], @p.leftovers
end
def test_combined_short_options_with_multiple_arguments
@p.opt :arg1, "desc", :short => "a"
@p.opt :arg2, "desc", :short => "b"
@p.opt :arg3, "desc", :short => "c", :type => :ints
@p.opt :arg4, "desc", :short => "d", :type => :floats
opts = nil
assert_nothing_raised { opts = @p.parse %w(-abc 4 6 9) }
assert_equal true, opts[:arg1]
assert_equal true, opts[:arg2]
assert_equal [4, 6, 9], opts[:arg3]
assert_nothing_raised { opts = @p.parse %w(-ac 4 6 9 -bd 3.14 2.41) }
assert_equal true, opts[:arg1]
assert_equal true, opts[:arg2]
assert_equal [4, 6, 9], opts[:arg3]
assert_equal [3.14, 2.41], opts[:arg4]
assert_raises(CommandlineError) { opts = @p.parse %w(-abcd 3.14 2.41) }
end
def test_long_options_with_multiple_options
@p.opt :xarg, "desc", :type => String, :multi => true
opts = nil
assert_nothing_raised { opts = @p.parse %w(--xarg=a --xarg=b) }
assert_equal %w(a b), opts[:xarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--xarg a --xarg b) }
assert_equal %w(a b), opts[:xarg]
assert_equal [], @p.leftovers
end
def test_long_options_with_multiple_arguments
opts = nil
@p.opt :xarg, "desc", :type => :ints
assert_nothing_raised { opts = @p.parse %w(--xarg 3 2 5) }
assert_equal [3, 2, 5], opts[:xarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--xarg=3) }
assert_equal [3], opts[:xarg]
assert_equal [], @p.leftovers
@p.opt :yarg, "desc", :type => :floats
assert_nothing_raised { opts = @p.parse %w(--yarg 3.14 2.41 5.66) }
assert_equal [3.14, 2.41, 5.66], opts[:yarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--yarg=3.14) }
assert_equal [3.14], opts[:yarg]
assert_equal [], @p.leftovers
@p.opt :zarg, "desc", :type => :strings
assert_nothing_raised { opts = @p.parse %w(--zarg a b c) }
assert_equal %w(a b c), opts[:zarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--zarg=a) }
assert_equal %w(a), opts[:zarg]
assert_equal [], @p.leftovers
end
def test_long_options_with_multiple_options_and_arguments
opts = nil
@p.opt :xarg, "desc", :type => :ints, :multi => true
assert_nothing_raised { opts = @p.parse %w(--xarg 3 2 5 --xarg 2 1) }
assert_equal [[3, 2, 5], [2, 1]], opts[:xarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--xarg=3 --xarg=2) }
assert_equal [[3], [2]], opts[:xarg]
assert_equal [], @p.leftovers
@p.opt :yarg, "desc", :type => :floats, :multi => true
assert_nothing_raised { opts = @p.parse %w(--yarg 3.14 2.72 5 --yarg 2.41 1.41) }
assert_equal [[3.14, 2.72, 5], [2.41, 1.41]], opts[:yarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--yarg=3.14 --yarg=2.41) }
assert_equal [[3.14], [2.41]], opts[:yarg]
assert_equal [], @p.leftovers
@p.opt :zarg, "desc", :type => :strings, :multi => true
assert_nothing_raised { opts = @p.parse %w(--zarg a b c --zarg d e) }
assert_equal [%w(a b c), %w(d e)], opts[:zarg]
assert_equal [], @p.leftovers
assert_nothing_raised { opts = @p.parse %w(--zarg=a --zarg=d) }
assert_equal [%w(a), %w(d)], opts[:zarg]
assert_equal [], @p.leftovers
end
def test_long_options_also_take_equals
@p.opt :arg, "desc", :long => "arg", :type => String, :default => "hello"
opts = nil
assert_nothing_raised { opts = @p.parse %w() }
assert_equal "hello", opts[:arg]
assert_nothing_raised { opts = @p.parse %w(--arg goat) }
assert_equal "goat", opts[:arg]
assert_nothing_raised { opts = @p.parse %w(--arg=goat) }
assert_equal "goat", opts[:arg]
## actually, this next one is valid. empty string for --arg, and goat as a
## leftover.
## assert_raises(CommandlineError) { opts = @p.parse %w(--arg= goat) }
end
def test_auto_generated_long_names_convert_underscores_to_hyphens
@p.opt :hello_there
assert_equal "hello-there", @p.specs[:hello_there][:long]
end
def test_arguments_passed_through_block
@goat = 3
boat = 4
Parser.new(@goat) do |goat|
boat = goat
end
assert_equal @goat, boat
end
def test_help_has_default_banner
@p = Parser.new
sio = StringIO.new "w"
@p.parse []
@p.educate sio
help = sio.string.split "\n"
assert help[0] =~ /options/i
assert_equal 2, help.length # options, then -h
@p = Parser.new
@p.version "my version"
sio = StringIO.new "w"
@p.parse []
@p.educate sio
help = sio.string.split "\n"
assert help[0] =~ /my version/i
assert_equal 4, help.length # version, options, -h, -v
@p = Parser.new
@p.banner "my own banner"
sio = StringIO.new "w"
@p.parse []
@p.educate sio
help = sio.string.split "\n"
assert help[0] =~ /my own banner/i
assert_equal 2, help.length # banner, -h
end
def test_help_preserves_positions
@p.opt :zzz, "zzz"
@p.opt :aaa, "aaa"
sio = StringIO.new "w"
@p.educate sio
help = sio.string.split "\n"
assert help[1] =~ /zzz/
assert help[2] =~ /aaa/
end
def test_version_and_help_short_args_can_be_overridden
@p.opt :verbose, "desc", :short => "-v"
@p.opt :hello, "desc", :short => "-h"
@p.version "version"
assert_nothing_raised { @p.parse(%w(-v)) }
assert_raises(VersionNeeded) { @p.parse(%w(--version)) }
assert_nothing_raised { @p.parse(%w(-h)) }
assert_raises(HelpNeeded) { @p.parse(%w(--help)) }
end
def test_version_and_help_long_args_can_be_overridden
@p.opt :asdf, "desc", :long => "help"
@p.opt :asdf2, "desc2", :long => "version"
assert_nothing_raised { @p.parse %w() }
assert_nothing_raised { @p.parse %w(--help) }
assert_nothing_raised { @p.parse %w(--version) }
assert_nothing_raised { @p.parse %w(-h) }
assert_nothing_raised { @p.parse %w(-v) }
end
def test_version_and_help_override_errors
@p.opt :asdf, "desc", :type => String
@p.version "version"
assert_nothing_raised { @p.parse %w(--asdf goat) }
assert_raises(CommandlineError) { @p.parse %w(--asdf) }
assert_raises(HelpNeeded) { @p.parse %w(--asdf --help) }
assert_raises(VersionNeeded) { @p.parse %w(--asdf --version) }
end
def test_conflicts
@p.opt :one
assert_raises(ArgumentError) { @p.conflicts :one, :two }
@p.opt :two
assert_nothing_raised { @p.conflicts :one, :two }
assert_nothing_raised { @p.parse %w(--one) }
assert_nothing_raised { @p.parse %w(--two) }
assert_raises(CommandlineError) { opts = @p.parse %w(--one --two) }
@p.opt :hello
@p.opt :yellow
@p.opt :mellow
@p.opt :jello
@p.conflicts :hello, :yellow, :mellow, :jello
assert_raises(CommandlineError) { opts = @p.parse %w(--hello --yellow --mellow --jello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--hello --mellow --jello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--hello --jello) }
assert_nothing_raised { opts = @p.parse %w(--hello) }
assert_nothing_raised { opts = @p.parse %w(--jello) }
assert_nothing_raised { opts = @p.parse %w(--yellow) }
assert_nothing_raised { opts = @p.parse %w(--mellow) }
assert_nothing_raised { opts = @p.parse %w(--mellow --one) }
assert_nothing_raised { opts = @p.parse %w(--mellow --two) }
assert_raises(CommandlineError) { opts = @p.parse %w(--mellow --two --jello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--one --mellow --two --jello) }
end
def test_conflict_error_messages
@p.opt :one
@p.opt "two"
@p.conflicts :one, "two"
begin
@p.parse %w(--one --two)
flunk "no error thrown"
rescue CommandlineError => e
assert_match(/--one/, e.message)
assert_match(/--two/, e.message)
end
end
def test_depends
@p.opt :one
assert_raises(ArgumentError) { @p.depends :one, :two }
@p.opt :two
assert_nothing_raised { @p.depends :one, :two }
assert_nothing_raised { opts = @p.parse %w(--one --two) }
assert_raises(CommandlineError) { @p.parse %w(--one) }
assert_raises(CommandlineError) { @p.parse %w(--two) }
@p.opt :hello
@p.opt :yellow
@p.opt :mellow
@p.opt :jello
@p.depends :hello, :yellow, :mellow, :jello
assert_nothing_raised { opts = @p.parse %w(--hello --yellow --mellow --jello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--hello --mellow --jello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--hello --jello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--hello) }
assert_raises(CommandlineError) { opts = @p.parse %w(--mellow) }
assert_nothing_raised { opts = @p.parse %w(--hello --yellow --mellow --jello --one --two) }
assert_nothing_raised { opts = @p.parse %w(--hello --yellow --mellow --jello --one --two a b c) }
assert_raises(CommandlineError) { opts = @p.parse %w(--mellow --two --jello --one) }
end
def test_depend_error_messages
@p.opt :one
@p.opt "two"
@p.depends :one, "two"
assert_nothing_raised { @p.parse %w(--one --two) }
begin
@p.parse %w(--one)
flunk "no error thrown"
rescue CommandlineError => e
assert_match(/--one/, e.message)
assert_match(/--two/, e.message)
end
begin
@p.parse %w(--two)
flunk "no error thrown"
rescue CommandlineError => e
assert_match(/--one/, e.message)
assert_match(/--two/, e.message)
end
end
## courtesy neill zero
def test_two_required_one_missing_accuses_correctly
@p.opt "arg1", "desc1", :required => true
@p.opt "arg2", "desc2", :required => true
begin
@p.parse(%w(--arg1))
flunk "should have failed on a missing req"
rescue CommandlineError => e
assert e.message =~ /arg2/, "didn't mention arg2 in the error msg: #{e.message}"
end
begin
@p.parse(%w(--arg2))
flunk "should have failed on a missing req"
rescue CommandlineError => e
assert e.message =~ /arg1/, "didn't mention arg1 in the error msg: #{e.message}"
end
assert_nothing_raised { @p.parse(%w(--arg1 --arg2)) }
end
def test_stopwords_mixed
@p.opt "arg1", :default => false
@p.opt "arg2", :default => false
@p.stop_on %w(happy sad)
opts = @p.parse %w(--arg1 happy --arg2)
assert_equal true, opts["arg1"]
assert_equal false, opts["arg2"]
## restart parsing
@p.leftovers.shift
opts = @p.parse @p.leftovers
assert_equal false, opts["arg1"]
assert_equal true, opts["arg2"]
end
def test_stopwords_no_stopwords
@p.opt "arg1", :default => false
@p.opt "arg2", :default => false
@p.stop_on %w(happy sad)
opts = @p.parse %w(--arg1 --arg2)
assert_equal true, opts["arg1"]
assert_equal true, opts["arg2"]
## restart parsing
@p.leftovers.shift
opts = @p.parse @p.leftovers
assert_equal false, opts["arg1"]
assert_equal false, opts["arg2"]
end
def test_stopwords_multiple_stopwords
@p.opt "arg1", :default => false
@p.opt "arg2", :default => false
@p.stop_on %w(happy sad)
opts = @p.parse %w(happy sad --arg1 --arg2)
assert_equal false, opts["arg1"]
assert_equal false, opts["arg2"]
## restart parsing
@p.leftovers.shift
opts = @p.parse @p.leftovers
assert_equal false, opts["arg1"]
assert_equal false, opts["arg2"]
## restart parsing again
@p.leftovers.shift
opts = @p.parse @p.leftovers
assert_equal true, opts["arg1"]
assert_equal true, opts["arg2"]
end
def test_stopwords_with_short_args
@p.opt :global_option, "This is a global option", :short => "-g"
@p.stop_on %w(sub-command-1 sub-command-2)
global_opts = @p.parse %w(-g sub-command-1 -c)
cmd = @p.leftovers.shift
@q = Parser.new
@q.opt :cmd_option, "This is an option only for the subcommand", :short => "-c"
cmd_opts = @q.parse @p.leftovers
assert_equal true, global_opts[:global_option]
assert_nil global_opts[:cmd_option]
assert_equal true, cmd_opts[:cmd_option]
assert_nil cmd_opts[:global_option]
assert_equal cmd, "sub-command-1"
assert_equal @q.leftovers, []
end
def assert_parses_correctly(parser, commandline, expected_opts,
expected_leftovers)
opts = parser.parse commandline
assert_equal expected_opts, opts
assert_equal expected_leftovers, parser.leftovers
end
def test_unknown_subcommand
@p.opt :global_flag, "Global flag", :short => "-g", :type => :flag
@p.opt :global_param, "Global parameter", :short => "-p", :default => 5
@p.stop_on_unknown
expected_opts = { :global_flag => true, :help => false, :global_param => 5, :global_flag_given => true }
expected_leftovers = [ "my_subcommand", "-c" ]
assert_parses_correctly @p, %w(--global-flag my_subcommand -c), \
expected_opts, expected_leftovers
assert_parses_correctly @p, %w(-g my_subcommand -c), \
expected_opts, expected_leftovers
expected_opts = { :global_flag => false, :help => false, :global_param => 5, :global_param_given => true }
expected_leftovers = [ "my_subcommand", "-c" ]
assert_parses_correctly @p, %w(-p 5 my_subcommand -c), \
expected_opts, expected_leftovers
assert_parses_correctly @p, %w(--global-param 5 my_subcommand -c), \
expected_opts, expected_leftovers
end
def test_alternate_args
args = %w(-a -b -c)
opts = ::Trollop.options(args) do
opt :alpher, "Ralph Alpher", :short => "-a"
opt :bethe, "Hans Bethe", :short => "-b"
opt :gamow, "George Gamow", :short => "-c"
end
physicists_with_humor = [:alpher, :bethe, :gamow]
physicists_with_humor.each do |physicist|
assert_equal true, opts[physicist]
end
end
def test_io_arg_type
@p.opt :arg, "desc", :type => :io
@p.opt :arg2, "desc", :type => IO
@p.opt :arg3, "desc", :default => $stdout
opts = nil
assert_nothing_raised { opts = @p.parse() }
assert_equal $stdout, opts[:arg3]
assert_nothing_raised { opts = @p.parse %w(--arg /dev/null) }
assert_kind_of File, opts[:arg]
assert_equal "/dev/null", opts[:arg].path
#TODO: move to mocks
#assert_nothing_raised { opts = @p.parse %w(--arg2 http://google.com/) }
#assert_kind_of StringIO, opts[:arg2]
assert_nothing_raised { opts = @p.parse %w(--arg3 stdin) }
assert_equal $stdin, opts[:arg3]
assert_raises(CommandlineError) { opts = @p.parse %w(--arg /fdasfasef/fessafef/asdfasdfa/fesasf) }
end
def test_openstruct_style_access
@p.opt "arg1", "desc", :type => :int
@p.opt :arg2, "desc", :type => :int
opts = @p.parse(%w(--arg1 3 --arg2 4))
assert_nothing_raised { opts.arg1 }
assert_nothing_raised { opts.arg2 }
assert_equal 3, opts.arg1
assert_equal 4, opts.arg2
end
def test_multi_args_autobox_defaults
@p.opt :arg1, "desc", :default => "hello", :multi => true
@p.opt :arg2, "desc", :default => ["hello"], :multi => true
opts = @p.parse
assert_equal ["hello"], opts[:arg1]
assert_equal ["hello"], opts[:arg2]
opts = @p.parse %w(--arg1 hello)
assert_equal ["hello"], opts[:arg1]
assert_equal ["hello"], opts[:arg2]
opts = @p.parse %w(--arg1 hello --arg1 there)
assert_equal ["hello", "there"], opts[:arg1]
end
def test_ambigious_multi_plus_array_default_resolved_as_specified_by_documentation
@p.opt :arg1, "desc", :default => ["potato"], :multi => true
@p.opt :arg2, "desc", :default => ["potato"], :multi => true, :type => :strings
@p.opt :arg3, "desc", :default => ["potato"]
@p.opt :arg4, "desc", :default => ["potato", "rhubarb"], :short => :none, :multi => true
## arg1 should be multi-occurring but not multi-valued
opts = @p.parse %w(--arg1 one two)
assert_equal ["one"], opts[:arg1]
assert_equal ["two"], @p.leftovers
opts = @p.parse %w(--arg1 one --arg1 two)
assert_equal ["one", "two"], opts[:arg1]
assert_equal [], @p.leftovers
## arg2 should be multi-valued and multi-occurring
opts = @p.parse %w(--arg2 one two)
assert_equal [["one", "two"]], opts[:arg2]
assert_equal [], @p.leftovers
## arg3 should be multi-valued but not multi-occurring
opts = @p.parse %w(--arg3 one two)
assert_equal ["one", "two"], opts[:arg3]
assert_equal [], @p.leftovers
## arg4 should be multi-valued but not multi-occurring
opts = @p.parse %w()
assert_equal ["potato", "rhubarb"], opts[:arg4]
end
def test_given_keys
@p.opt :arg1
@p.opt :arg2
opts = @p.parse %w(--arg1)
assert opts[:arg1_given]
assert !opts[:arg2_given]
opts = @p.parse %w(--arg2)
assert !opts[:arg1_given]
assert opts[:arg2_given]
opts = @p.parse []
assert !opts[:arg1_given]
assert !opts[:arg2_given]
opts = @p.parse %w(--arg1 --arg2)
assert opts[:arg1_given]
assert opts[:arg2_given]
end
def test_default_shorts_assigned_only_after_user_shorts
@p.opt :aab, "aaa" # should be assigned to -b
@p.opt :ccd, "bbb" # should be assigned to -d
@p.opt :user1, "user1", :short => 'a'
@p.opt :user2, "user2", :short => 'c'
opts = @p.parse %w(-a -b)
assert opts[:user1]
assert !opts[:user2]
assert opts[:aab]
assert !opts[:ccd]
opts = @p.parse %w(-c -d)
assert !opts[:user1]
assert opts[:user2]
assert !opts[:aab]
assert opts[:ccd]
end
def test_accepts_arguments_with_spaces
@p.opt :arg1, "arg", :type => String
@p.opt :arg2, "arg2", :type => String
opts = @p.parse ["--arg1", "hello there", "--arg2=hello there"]
assert_equal "hello there", opts[:arg1]
assert_equal "hello there", opts[:arg2]
assert_equal 0, @p.leftovers.size
end
def test_multi_args_default_to_empty_array
@p.opt :arg1, "arg", :multi => true
opts = @p.parse []
assert_equal [], opts[:arg1]
end
def test_simple_interface_handles_help
ARGV.clear
ARGV.unshift "-h"
assert_raises(SystemExit) do
opts = ::Trollop::options do
opt :potato
end
raise "broken"
end
end
def test_simple_interface_handles_version
ARGV.clear
ARGV.unshift "-v"
assert_raises(SystemExit) do
opts = ::Trollop::options do
version "1.2"
opt :potato
end
raise "broken"
end
end
def test_simple_interface_handles_regular_usage
ARGV.clear
ARGV.unshift "--potato"
opts = nil
assert_nothing_raised do
opts = ::Trollop::options do
opt :potato
end
end
assert opts[:potato]
end
def test_simple_interface_handles_die
ARGV.clear
ARGV.unshift "--potato"
opts = ::Trollop::options do
opt :potato
end
assert_raises(SystemExit) { ::Trollop::die :potato, "is invalid" }
end
end
end
end