import unittest, imp, subprocess, sys, os

try:
if os.environ.get('APPORT_TEST_LOCAL'):
impl = imp.load_source('', 'backends/packaging_rpm.py').impl
else:
from apport.packaging_impl import impl
except ImportError:
print('%s: Skipping, rpm module not available' % sys.argv[0])
sys.exit(0)


class T(unittest.TestCase):

def test_get_dependencies(self):
'''get_dependencies().'''

deps = impl.get_dependencies('bash')
self.assertNotEqual(deps, [])

def test_get_header(self):
'''_get_header().'''

hdr = impl._get_header('alsa-utils')
self.assertEqual(hdr['n'], 'alsa-utils')

def test_get_headers_by_tag(self):
'''_get_headers_by_tag().'''

headersByTag = impl._get_headers_by_tag('basenames', '/bin/bash')
self.assertEqual(len(headersByTag), 1)
self.assertTrue(headersByTag[0]['n'].startswith('bash'))

def test_get_system_architecture(self):
'''get_system_architecture().'''

arch = impl.get_system_architecture()
# must be nonempty without line breaks
self.assertNotEqual(arch, '')
self.assertTrue('\n' not in arch)

def test_get_version(self):
'''get_version().'''

ver = impl.get_version('bash')
self.assertNotEqual(ver, None)
ver = impl.get_version('alsa-utils')
self.assertNotEqual(ver, None)


# only execute if rpm is available
try:
if subprocess.call(['rpm', '--help'], stdout=subprocess.PIPE,
stderr=subprocess.PIPE) == 0:
unittest.main()
except OSError:
print('%s: Skipping, rpm not available' % sys.argv[0])