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#!/usr/bin/python -tt
#
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for bmpblk_utility.
"""
import os
import sys
import subprocess
import unittest
def runprog(*args):
"""Runs specified program and args, returns (exitcode, stdout, stderr)."""
p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
return (p.returncode, out, err)
class TestFailures(unittest.TestCase):
def testNoArgs(self):
"""Running with no args should print usage and fail."""
rc, out, err = runprog(prog)
self.assertNotEqual(0, rc)
self.assertTrue(err.count("missing BMPBLOCK name"))
self.assertTrue(out.count("bmpblk_utility"))
def testMissingBmp(self):
"""Missing a bmp specified in the yaml is an error."""
rc, out, err = runprog(prog, '-c', 'case_nobmp.yaml', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("No such file or directory"))
def testInvalidBmp(self):
"""A .bmp file that isn't really a BMP should fail."""
rc, out, err = runprog(prog, '-c', 'case_badbmp.yaml', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("Unsupported image format"))
def testBadCompression(self):
"""Wrong compression types should fail."""
rc, out, err = runprog(prog, '-z', '99', '-c', 'case_simple.yaml', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("compression type"))
class TestOverWrite(unittest.TestCase):
def setUp(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
def testOverwrite(self):
"""Create, unpack, unpack again, with and without -f"""
rc, out, err = runprog(prog, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("File exists"))
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', '-f', 'FOO')
self.assertEqual(0, rc)
def tearDown(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
class TestPackUnpack(unittest.TestCase):
def setUp(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
def testPackUnpack(self):
"""Create, unpack, recreate without compression"""
rc, out, err = runprog(prog, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
os.chdir('./FOO_DIR')
rc, out, err = runprog(prog, '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertEqual(0, rc)
os.chdir('..')
def doPackUnpackZ(self, comp):
"""Create, unpack, recreate with a given compression"""
rc, out, err = runprog(prog, '-z', comp, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
os.chdir('./FOO_DIR')
rc, out, err = runprog(prog, '-z', comp, '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertEqual(0, rc)
os.chdir('..')
def testPackUnpackZ1(self):
"""Create, unpack, recreate with EFIv1 compression"""
self.doPackUnpackZ('1');
def testPackUnpackZ2(self):
"""Create, unpack, recreate with LZMA compression"""
self.doPackUnpackZ('2');
def tearDown(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
# Run these tests
if __name__ == '__main__':
varname = 'BMPBLK'
if varname not in os.environ:
print('You must specify the path to bmpblk_utility in the $%s '
'environment variable.' % varname)
sys.exit(1)
prog = os.environ[varname]
print "Testing prog...", prog
unittest.main()
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