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#!/usr/bin/env python3
import unittest
from vppapigen import VPPAPI, Option, ParseError, Union, foldup_crcs, global_types
import vppapigen
# TODO
# - test parsing of options, typedefs, enums, defines
# - test JSON, C output
class TestVersion(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.parser = VPPAPI()
def test_version(self):
version_string = 'option version = "1.0.0";'
r = self.parser.parse_string(version_string)
self.assertTrue(isinstance(r[0], Option))
class TestUnion(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.parser = VPPAPI()
def test_union(self):
test_string = '''
union foo_union {
u32 a;
u8 b;
};
'''
r = self.parser.parse_string(test_string)
self.assertTrue(isinstance(r[0], Union))
def test_union_vla(self):
test_string = '''
union foo_union_vla {
u32 a;
u8 b[a];
};
autoreply define foo {
vl_api_foo_union_vla_t v;
};
'''
r = self.parser.parse_string(test_string)
self.assertTrue(isinstance(r[0], Union))
self.assertTrue(r[0].vla)
s = self.parser.process(r)
test_string2 = '''
union foo_union_vla2 {
u32 a;
u8 b[a];
u32 c;
};
autoreply define foo2 {
vl_api_foo_union_vla2_t v;
};
'''
self.assertRaises(ValueError, self.parser.parse_string, test_string2)
test_string3 = '''
union foo_union_vla3 {
u32 a;
u8 b[a];
};
autoreply define foo3 {
vl_api_foo_union_vla3_t v;
u32 x;
};
'''
self.assertRaises(ValueError, self.parser.parse_string, test_string3)
class TestTypedef(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.parser = VPPAPI()
def test_duplicatetype(self):
test_string = '''
typedef foo1 { u8 dummy; };
typedef foo1 { u8 dummy; };
'''
self.assertRaises(KeyError, self.parser.parse_string, test_string)
class TestDefine(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.parser = VPPAPI()
def test_unknowntype(self):
test_string = 'define foo { foobar foo;};'
with self.assertRaises(ParseError) as ctx:
self.parser.parse_string(test_string)
self.assertIn('Undefined type: foobar', str(ctx.exception))
test_string = 'define { u8 foo;};'
with self.assertRaises(ParseError) as ctx:
self.parser.parse_string(test_string)
def test_flags(self):
test_string = '''
manual_print dont_trace manual_endian define foo { u8 foo; };
define foo_reply {u32 context; i32 retval; };
'''
r = self.parser.parse_string(test_string)
self.assertIsNotNone(r)
s = self.parser.process(r)
self.assertIsNotNone(s)
for d in s['Define']:
if d.name == 'foo':
self.assertTrue(d.dont_trace)
self.assertTrue(d.manual_endian)
self.assertTrue(d.manual_print)
self.assertFalse(d.autoreply)
test_string = '''
nonexisting_flag define foo { u8 foo; };
'''
with self.assertRaises(ParseError):
self.parser.parse_string(test_string)
class TestService(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.parser = VPPAPI()
def test_service(self):
test_string = '''
autoreply define show_version { u8 foo;};
service { rpc show_version returns show_version_reply; };
'''
r = self.parser.parse_string(test_string)
s = self.parser.process(r)
self.assertEqual(s['Service'][0].caller, 'show_version')
self.assertEqual(s['Service'][0].reply, 'show_version_reply')
def get_crc(apistring, name):
vppapigen.global_types = {}
parser = vppapigen.VPPAPI()
r = parser.parse_string(apistring)
s = parser.process(r)
foldup_crcs(s['Define'])
d = [f for f in s['Define'] if f.name == name]
return d[0].crc
class TestCRC(unittest.TestCase):
def test_crc(self):
test_string = '''
typedef list { u8 foo; };
autoreply define foo { u8 foo; vl_api_list_t l;};
'''
crc = get_crc(test_string, 'foo')
# modify underlaying type
test_string = '''
typedef list { u8 foo2; };
autoreply define foo { u8 foo; vl_api_list_t l;};
'''
crc2 = get_crc(test_string, 'foo')
self.assertNotEqual(crc, crc2)
# two user-defined types
test_string = '''
typedef address { u8 foo2; };
typedef list { u8 foo2; vl_api_address_t add; };
autoreply define foo { u8 foo; vl_api_list_t l;};
'''
crc3 = get_crc(test_string, 'foo')
test_string = '''
typedef address { u8 foo3; };
typedef list { u8 foo2; vl_api_address_t add; };
autoreply define foo { u8 foo; vl_api_list_t l;};
'''
crc4 = get_crc(test_string, 'foo')
self.assertNotEqual(crc3, crc4)
test_string = '''
typedef address { u8 foo3; };
typedef list { u8 foo2; vl_api_address_t add; u8 foo3; };
autoreply define foo { u8 foo; vl_api_list_t l;};
'''
crc5 = get_crc(test_string, 'foo')
self.assertNotEqual(crc4, crc5)
test_string = '''
typedef ip6_address
{
u8 foo;
};
typedef srv6_sid_list
{
u8 num_sids;
u32 weight;
u32 sl_index;
vl_api_ip6_address_t sids[16];
};
autoreply define sr_policy_add
{
u32 client_index;
u32 context;
vl_api_ip6_address_t bsid_addr;
u32 weight;
bool is_encap;
bool is_spray;
u32 fib_table;
vl_api_srv6_sid_list_t sids;
};
'''
crc = get_crc(test_string, 'sr_policy_add')
test_string = '''
typedef ip6_address
{
u8 foo;
};
typedef srv6_sid_list
{
u8 num_sids;
u32 weight;
vl_api_ip6_address_t sids[16];
};
autoreply define sr_policy_add
{
u32 client_index;
u32 context;
vl_api_ip6_address_t bsid_addr;
u32 weight;
bool is_encap;
bool is_spray;
u32 fib_table;
vl_api_srv6_sid_list_t sids;
};
'''
crc2 = get_crc(test_string, 'sr_policy_add')
self.assertNotEqual(crc, crc2)
if __name__ == '__main__':
unittest.main(verbosity=2)
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