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-rwxr-xr-xsrc/tools/vppapigen/test_vppapigen.py90
-rwxr-xr-xsrc/tools/vppapigen/vppapigen.py69
2 files changed, 111 insertions, 48 deletions
diff --git a/src/tools/vppapigen/test_vppapigen.py b/src/tools/vppapigen/test_vppapigen.py
index a8a0a49a8db..57d4a7a24f8 100755
--- a/src/tools/vppapigen/test_vppapigen.py
+++ b/src/tools/vppapigen/test_vppapigen.py
@@ -1,7 +1,7 @@
#!/usr/bin/env python3
import unittest
-from vppapigen import VPPAPI, Option, ParseError
+from vppapigen import VPPAPI, Option, ParseError, Union
# TODO
# - test parsing of options, typedefs, enums, defines, CRC
@@ -18,16 +18,71 @@ class TestVersion(unittest.TestCase):
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()
+ @unittest.skip('Not yet implemented on 19.08')
def test_duplicatetype(self):
test_string = '''
- typeonly define foo1 { u8 dummy; };
- typeonly define foo1 { u8 dummy; };
+ typedef foo1 { u8 dummy; };
+ typedef foo1 { u8 dummy; };
'''
self.assertRaises(KeyError, self.parser.parse_string, test_string)
@@ -39,23 +94,29 @@ class TestDefine(unittest.TestCase):
def test_unknowntype(self):
test_string = 'define foo { foobar foo;};'
- self.assertRaises(ParseError, self.parser.parse_string, test_string)
+ 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;};'
- self.assertRaises(ParseError, self.parser.parse_string, test_string)
+ 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['defines']:
- self.assertTrue(d.dont_trace)
- self.assertTrue(d.manual_endian)
- self.assertTrue(d.manual_print)
- self.assertFalse(d.autoreply)
+ 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; };
@@ -71,11 +132,14 @@ class TestService(unittest.TestCase):
def test_service(self):
test_string = '''
- service foo { rpc foo (show_version) returns (show_version) };
+ autoreply define show_version { u8 foo;};
+ service { rpc show_version returns show_version_reply; };
'''
r = self.parser.parse_string(test_string)
- print('R', r)
+ s = self.parser.process(r)
+ self.assertEqual(s['Service'][0].caller, 'show_version')
+ self.assertEqual(s['Service'][0].reply, 'show_version_reply')
if __name__ == '__main__':
- unittest.main()
+ unittest.main(verbosity=2)
diff --git a/src/tools/vppapigen/vppapigen.py b/src/tools/vppapigen/vppapigen.py
index c5304db834c..79f2da91b19 100755
--- a/src/tools/vppapigen/vppapigen.py
+++ b/src/tools/vppapigen/vppapigen.py
@@ -127,6 +127,33 @@ def crc_block_combine(block, crc):
return binascii.crc32(s, crc) & 0xffffffff
+def vla_is_last_check(name, block):
+ vla = False
+ for i, b in enumerate(block):
+ if isinstance(b, Array) and b.vla:
+ vla = True
+ if i + 1 < len(block):
+ raise ValueError(
+ 'VLA field "{}" must be the last field in message "{}"'
+ .format(b.fieldname, name))
+ elif b.fieldtype.startswith('vl_api_'):
+ if global_types[b.fieldtype].vla:
+ vla = True
+ if i + 1 < len(block):
+ raise ValueError(
+ 'VLA field "{}" must be the last '
+ 'field in message "{}"'
+ .format(b.fieldname, name))
+ elif b.fieldtype == 'string' and b.length == 0:
+ vla = True
+ if i + 1 < len(block):
+ raise ValueError(
+ 'VLA field "{}" must be the last '
+ 'field in message "{}"'
+ .format(b.fieldname, name))
+ return vla
+
+
class Service():
def __init__(self, caller, reply, events=None, stream=False):
self.caller = caller
@@ -148,26 +175,10 @@ class Typedef():
self.manual_print = True
elif f == 'manual_endian':
self.manual_endian = True
- global_type_add(name, self)
- self.vla = False
+ global_type_add(name, self)
- for i, b in enumerate(block):
- if isinstance(b, Array):
- if b.length == 0:
- self.vla = True
- if i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
- elif b.fieldtype == 'string':
- self.vla = True
- if i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
+ self.vla = vla_is_last_check(name, block)
def __repr__(self):
return self.name + str(self.flags) + str(self.block)
@@ -200,8 +211,11 @@ class Union():
self.manual_print = False
self.manual_endian = False
self.name = name
+
self.block = block
self.crc = str(block).encode()
+ self.vla = vla_is_last_check(name, block)
+
global_type_add(name, self)
def __repr__(self):
@@ -229,28 +243,13 @@ class Define():
elif f == 'autoreply':
self.autoreply = True
- for i, b in enumerate(block):
+ for b in block:
if isinstance(b, Option):
if b[1] == 'singular' and b[2] == 'true':
self.singular = True
block.remove(b)
- if isinstance(b, Array) and b.vla and i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last field in message "{}"'
- .format(b.fieldname, name))
- elif b.fieldtype.startswith('vl_api_'):
- if (global_types[b.fieldtype].vla and i + 1 < len(block)):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
- elif b.fieldtype == 'string' and b.length == 0:
- if i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
+ self.vla = vla_is_last_check(name, block)
def __repr__(self):
return self.name + str(self.flags) + str(self.block)