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require 'rubygems/test_case'
require 'rubygems/command'
class Gem::Command
public :parser
end
class TestGemCommand < Gem::TestCase
def setup
super
@xopt = nil
Gem::Command.common_options.clear
Gem::Command.common_options << [
['-x', '--exe', 'Execute'], lambda do |*a|
@xopt = true
end
]
@cmd_name = 'doit'
@cmd = Gem::Command.new @cmd_name, 'summary'
end
def test_self_add_specific_extra_args
added_args = %w[--all]
@cmd.add_option '--all' do |v,o| end
Gem::Command.add_specific_extra_args @cmd_name, added_args
assert_equal added_args, Gem::Command.specific_extra_args(@cmd_name)
h = @cmd.add_extra_args []
assert_equal added_args, h
end
def test_self_add_specific_extra_args_unknown
added_args = %w[--definitely_not_there]
Gem::Command.add_specific_extra_args @cmd_name, added_args
assert_equal added_args, Gem::Command.specific_extra_args(@cmd_name)
h = @cmd.add_extra_args []
assert_equal [], h
end
def test_basic_accessors
assert_equal "doit", @cmd.command
assert_equal "gem doit", @cmd.program_name
assert_equal "summary", @cmd.summary
end
def test_common_option_in_class
assert Array === Gem::Command.common_options
end
def test_defaults
@cmd.add_option('-h', '--help [COMMAND]', 'Get help on COMMAND') do |value, options|
options[:help] = value
end
@cmd.defaults = { :help => true }
@cmd.when_invoked do |options|
assert options[:help], "Help options should default true"
end
use_ui @ui do
@cmd.invoke
end
assert_match %r|Usage: gem doit|, @ui.output
end
def test_invoke
done = false
@cmd.when_invoked { done = true }
use_ui @ui do
@cmd.invoke
end
assert done
end
def test_invoke_with_bad_options
use_ui @ui do
@cmd.when_invoked do true end
ex = assert_raises OptionParser::InvalidOption do
@cmd.invoke('-zzz')
end
assert_match(/invalid option:/, ex.message)
end
end
def test_invoke_with_common_options
@cmd.when_invoked do true end
use_ui @ui do
@cmd.invoke "-x"
end
assert @xopt, "Should have done xopt"
end
# Returning false from the command handler invokes the usage output.
def test_invoke_with_help
done = false
use_ui @ui do
@cmd.add_option('-h', '--help [COMMAND]', 'Get help on COMMAND') do |value, options|
options[:help] = true
done = true
end
@cmd.invoke('--help')
assert done
end
assert_match(/Usage/, @ui.output)
assert_match(/gem doit/, @ui.output)
assert_match(/\[options\]/, @ui.output)
assert_match(/-h/, @ui.output)
assert_match(/--help \[COMMAND\]/, @ui.output)
assert_match(/Get help on COMMAND/, @ui.output)
assert_match(/-x/, @ui.output)
assert_match(/--exe/, @ui.output)
assert_match(/Execute/, @ui.output)
assert_match(/Common Options:/, @ui.output)
end
def test_invoke_with_options
@cmd.add_option('-h', '--help [COMMAND]', 'Get help on COMMAND') do |value, options|
options[:help] = true
end
@cmd.when_invoked do |opts|
assert opts[:help]
end
use_ui @ui do
@cmd.invoke '-h'
end
assert_match %r|Usage: gem doit|, @ui.output
end
def test_option_recognition
@cmd.add_option('-h', '--help [COMMAND]', 'Get help on COMMAND') do |value, options|
options[:help] = true
end
@cmd.add_option('-f', '--file FILE', 'File option') do |value, options|
options[:help] = true
end
assert @cmd.handles?(['-x'])
assert @cmd.handles?(['-h'])
assert @cmd.handles?(['-h', 'command'])
assert @cmd.handles?(['--help', 'command'])
assert @cmd.handles?(['-f', 'filename'])
assert @cmd.handles?(['--file=filename'])
refute @cmd.handles?(['-z'])
refute @cmd.handles?(['-f'])
refute @cmd.handles?(['--toothpaste'])
args = ['-h', 'command']
@cmd.handles?(args)
assert_equal ['-h', 'command'], args
end
end
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