# Testing rgbimg module

import warnings

warnings.filterwarnings("ignore",

                        "the rgbimg module is deprecated",

                        DeprecationWarning,

                        ".*test_rgbimg$")

import rgbimg

import os, uu

from test.test_support import verbose, unlink, findfile

class error(Exception):

    pass

print 'RGBimg test suite:'

def testimg(rgb_file, raw_file):

    rgb_file = findfile(rgb_file)

    raw_file = findfile(raw_file)

    width, height = rgbimg.sizeofimage(rgb_file)

    rgb = rgbimg.longimagedata(rgb_file)

    if len(rgb) != width * height * 4:

        raise error, 'bad image length'

    raw = open(raw_file, 'rb').read()

    if rgb != raw:

        raise error, \

              'images don\'t match for '+rgb_file+' and '+raw_file

    for depth in [1, 3, 4]:

        rgbimg.longstoimage(rgb, width, height, depth, '@.rgb')

    os.unlink('@.rgb')

table = [

    ('testrgb'+os.extsep+'uue', 'test'+os.extsep+'rgb'),

    ('testimg'+os.extsep+'uue', 'test'+os.extsep+'rawimg'),

    ('testimgr'+os.extsep+'uue', 'test'+os.extsep+'rawimg'+os.extsep+'rev'),

    ]

for source, target in table:

    source = findfile(source)

    target = findfile(target)

    if verbose:

        print "uudecoding", source, "->", target, "..."

    uu.decode(source, target)

if verbose:

    print "testing..."

ttob = rgbimg.ttob(0)

if ttob != 0:

    raise error, 'ttob should start out as zero'

testimg('test'+os.extsep+'rgb', 'test'+os.extsep+'rawimg')

ttob = rgbimg.ttob(1)

if ttob != 0:

    raise error, 'ttob should be zero'

testimg('test'+os.extsep+'rgb', 'test'+os.extsep+'rawimg'+os.extsep+'rev')

ttob = rgbimg.ttob(0)

if ttob != 1:

    raise error, 'ttob should be one'

ttob = rgbimg.ttob(0)

if ttob != 0:

    raise error, 'ttob should be zero'

for source, target in table:

    unlink(findfile(target))