def test_parse_empty_lease_file_errors(self):
"""parse_dhcp_lease_file errors when file content is empty."""
empty_file = self.tmp_path('leases')
ensure_file(empty_file)
with self.assertRaises(InvalidDHCPLeaseFileError) as context_manager:
parse_dhcp_lease_file(empty_file)
error = context_manager.exception
self.assertIn('Cannot parse empty dhcp lease file', str(error))
def test_parse_malformed_lease_file_content_errors(self):
"""parse_dhcp_lease_file errors when file content isn't dhcp leases."""
non_lease_file = self.tmp_path('leases')
write_file(non_lease_file, 'hi mom.')
with self.assertRaises(InvalidDHCPLeaseFileError) as context_manager:
parse_dhcp_lease_file(non_lease_file)
error = context_manager.exception
self.assertIn('Cannot parse dhcp lease file', str(error))
def test_parse_malformed_lease_file_content_errors(self):
"""parse_dhcp_lease_file errors when file content isn't dhcp leases."""
non_lease_file = self.tmp_path('leases')
write_file(non_lease_file, 'hi mom.')
with self.assertRaises(InvalidDHCPLeaseFileError) as context_manager:
parse_dhcp_lease_file(non_lease_file)
error = context_manager.exception
self.assertIn('Cannot parse dhcp lease file', str(error))
def test_parse_empty_lease_file_errors(self):
"""parse_dhcp_lease_file errors when file content is empty."""
empty_file = self.tmp_path('leases')
ensure_file(empty_file)
with self.assertRaises(InvalidDHCPLeaseFileError) as context_manager:
parse_dhcp_lease_file(empty_file)
error = context_manager.exception
self.assertIn('Cannot parse empty dhcp lease file', str(error))
def test_parse_lease_finds_classless_static_routes(self):
"""
parse_dhcp_lease_file returns classless-static-routes
for Centos lease format.
"""
lease_file = self.tmp_path('leases')
content = dedent("""
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
option classless-static-routes 0 130.56.240.1;
renew 4 2017/07/27 18:02:30;
expire 5 2017/07/28 07:08:15;
}
""")
expected = [
{'interface': 'wlp3s0', 'fixed-address': '192.168.2.74',
'subnet-mask': '255.255.255.0', 'routers': '192.168.2.1',
'classless-static-routes': '0 130.56.240.1',
'renew': '4 2017/07/27 18:02:30',
'expire': '5 2017/07/28 07:08:15'}]
write_file(lease_file, content)
self.assertCountEqual(expected, parse_dhcp_lease_file(lease_file))
def test_parse_multiple_leases(self):
"""parse_dhcp_lease_file returns a list of all leases within."""
lease_file = self.tmp_path('leases')
content = dedent("""
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
renew 4 2017/07/27 18:02:30;
expire 5 2017/07/28 07:08:15;
}
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
}
""")
expected = [
{'interface': 'wlp3s0', 'fixed-address': '192.168.2.74',
'subnet-mask': '255.255.255.0', 'routers': '192.168.2.1',
'renew': '4 2017/07/27 18:02:30',
'expire': '5 2017/07/28 07:08:15'},
{'interface': 'wlp3s0', 'fixed-address': '192.168.2.74',
'subnet-mask': '255.255.255.0', 'routers': '192.168.2.1'}]
write_file(lease_file, content)
self.assertCountEqual(expected, parse_dhcp_lease_file(lease_file))
def test_parse_lease_finds_rfc3442_classless_static_routes(self):
"""parse_dhcp_lease_file returns rfc3442-classless-static-routes."""
lease_file = self.tmp_path("leases")
content = dedent("""
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
option rfc3442-classless-static-routes 0,130,56,240,1;
renew 4 2017/07/27 18:02:30;
expire 5 2017/07/28 07:08:15;
}
""")
expected = [{
"interface": "wlp3s0",
"fixed-address": "192.168.2.74",
"subnet-mask": "255.255.255.0",
"routers": "192.168.2.1",
"rfc3442-classless-static-routes": "0,130,56,240,1",
"renew": "4 2017/07/27 18:02:30",
"expire": "5 2017/07/28 07:08:15",
}]
write_file(lease_file, content)
self.assertCountEqual(expected, parse_dhcp_lease_file(lease_file))
def test_parse_multiple_leases(self):
"""parse_dhcp_lease_file returns a list of all leases within."""
lease_file = self.tmp_path('leases')
content = dedent("""
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
renew 4 2017/07/27 18:02:30;
expire 5 2017/07/28 07:08:15;
}
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
}
""")
expected = [
{'interface': 'wlp3s0', 'fixed-address': '192.168.2.74',
'subnet-mask': '255.255.255.0', 'routers': '192.168.2.1',
'renew': '4 2017/07/27 18:02:30',
'expire': '5 2017/07/28 07:08:15'},
{'interface': 'wlp3s0', 'fixed-address': '192.168.2.74',
'subnet-mask': '255.255.255.0', 'routers': '192.168.2.1'}]
write_file(lease_file, content)
self.assertItemsEqual(expected, parse_dhcp_lease_file(lease_file))
def test_parse_multiple_leases(self):
"""parse_dhcp_lease_file returns a list of all leases within."""
lease_file = self.tmp_path("leases")
content = dedent(
"""
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
filename "http://192.168.2.50/boot.php?mac=${netX}";
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
renew 4 2017/07/27 18:02:30;
expire 5 2017/07/28 07:08:15;
}
lease {
interface "wlp3s0";
fixed-address 192.168.2.74;
filename "http://192.168.2.50/boot.php?mac=${netX}";
option subnet-mask 255.255.255.0;
option routers 192.168.2.1;
}
"""
)
expected = [
{
"interface": "wlp3s0",
"fixed-address": "192.168.2.74",
"subnet-mask": "255.255.255.0",
"routers": "192.168.2.1",
"renew": "4 2017/07/27 18:02:30",
"expire": "5 2017/07/28 07:08:15",
"filename": "http://192.168.2.50/boot.php?mac=${netX}",
},
{
"interface": "wlp3s0",
"fixed-address": "192.168.2.74",
"filename": "http://192.168.2.50/boot.php?mac=${netX}",
"subnet-mask": "255.255.255.0",
"routers": "192.168.2.1",
},
]
write_file(lease_file, content)
self.assertCountEqual(expected, parse_dhcp_lease_file(lease_file))
