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# Copyright (c) 2012, Calxeda Inc.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Calxeda Inc. nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
import os
import shutil
import tempfile
import unittest
from cxmanage_api.simg import get_simg_header
from cxmanage_api.tftp import InternalTftp
from cxmanage_test import random_file, TestImage
class ImageTest(unittest.TestCase):
""" Tests involving cxmanage images
These will rely on an internally hosted TFTP server. """
def setUp(self):
# Set up an internal server
self.tftp = InternalTftp()
self.work_dir = tempfile.mkdtemp(prefix="cxmanage_test-")
def tearDown(self):
shutil.rmtree(self.work_dir)
def test_render_to_simg(self):
""" Test image creation and upload """
imglen = 1024
priority = 1
daddr = 12345
# Create image
filename = random_file(imglen)
contents = open(filename).read()
image = TestImage(filename, "RAW")
# Render and examine image
filename = image.render_to_simg(priority, daddr)
simg = open(filename).read()
header = get_simg_header(simg)
self.assertEqual(header.priority, priority)
self.assertEqual(header.imglen, imglen)
self.assertEqual(header.daddr, daddr)
self.assertEqual(simg[header.imgoff:], contents)
def test_multiple_uploads(self):
""" Test to make sure FDs are being closed """
# Create image
filename = random_file(1024)
image = TestImage(filename, "RAW")
for x in xrange(2048):
image.render_to_simg(0, 0)
os.remove(filename)
# End of file: ./image_test.py
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