# Option Parser

# -------------

# Ensure that the OptionParser handles arguments correctly.

return unless require?

{OptionParser} = require './../lib/coffeescript/optparse'

flags = [

['-r', '--required [DIR]', 'desc required']

['-o', '--optional', 'desc optional']

['-l', '--list [FILES*]', 'desc list']

]

banner = '''

banner text

'''

opt = new OptionParser flags, banner

test "basic arguments", ->

args = ['one', 'two', 'three', '-r', 'dir']

result = opt.parse args

arrayEq args, result.arguments

eq undefined, result.required

test "boolean and parameterised options", ->

result = opt.parse ['--optional', '-r', 'folder', 'one', 'two']

ok result.optional

eq 'folder', result.required

arrayEq ['one', 'two'], result.arguments

test "list options", ->

result = opt.parse ['-l', 'one.txt', '-l', 'two.txt', 'three']

arrayEq ['one.txt', 'two.txt'], result.list

arrayEq ['three'], result.arguments

test "-- and interesting combinations", ->

result = opt.parse ['-o','-r','a','-r','b','-o','--','-a','b','--c','d']

arrayEq ['-a', 'b', '--c', 'd'], result.arguments

ok result.optional

eq 'b', result.required

args = ['--','-o','a','-r','c','-o','--','-a','arg0','-b','arg1']

result = opt.parse args

eq undefined, result.optional

eq undefined, result.required

arrayEq args[1..], result.arguments

test "throw if multiple flags try to use the same short or long name", ->

throws -> new OptionParser [

['-r', '--required [DIR]', 'required']

['-r', '--long', 'switch']

]

throws -> new OptionParser [

['-a', '--append [STR]', 'append']

['-b', '--append', 'append with -b short opt']

]

throws -> new OptionParser [

['--just-long', 'desc']

['--just-long', 'another desc']

]

throws -> new OptionParser [

['-j', '--just-long', 'desc']

['--just-long', 'another desc']

]

throws -> new OptionParser [

['--just-long', 'desc']

['-j', '--just-long', 'another desc']

]

test "outputs expected help text", ->

expectedBanner = '''

banner text

-r, --required desc required

-o, --optional desc optional

-l, --list desc list

'''

ok opt.help() is expectedBanner

expected = [

''

' -r, --required desc required'

' -o, --optional desc optional'

' -l, --list desc list'

''

].join('\n')

ok new OptionParser(flags).help() is expected