Modify the alltypes test to check re-encoding through protoc.

This way we can verify that the message is encoded exactly the same way
as the official protobuf implementation would do it.
This commit is contained in:
Petteri Aimonen
2013-12-21 12:14:20 +02:00
parent eff9e11150
commit 9cc19a5e99
3 changed files with 53 additions and 15 deletions

View File

@@ -7,6 +7,29 @@ env.NanopbProto(["alltypes", "alltypes.options"])
enc = env.Program(["encode_alltypes.c", "alltypes.pb.c", "$COMMON/pb_encode.o"])
dec = env.Program(["decode_alltypes.c", "alltypes.pb.c", "$COMMON/pb_decode.o"])
# Test the round-trip from nanopb encoder to nanopb decoder
env.RunTest(enc)
env.RunTest([dec, "encode_alltypes.output"])
# Re-encode the data using protoc, and check that the results from nanopb
# match byte-per-byte to the protoc output.
env.Decode("encode_alltypes.output.decoded",
["encode_alltypes.output", "alltypes.proto"],
MESSAGE='AllTypes')
env.Encode("encode_alltypes.output.recoded",
["encode_alltypes.output.decoded", "alltypes.proto"],
MESSAGE='AllTypes')
env.Compare(["encode_alltypes.output", "encode_alltypes.output.recoded"])
# Do the same checks with the optional fields present.
env.RunTest("optionals.output", enc, ARGS = ['1'])
env.RunTest("optionals.decout", [dec, "optionals.output"], ARGS = ['1'])
env.Decode("optionals.output.decoded",
["optionals.output", "alltypes.proto"],
MESSAGE='AllTypes')
env.Encode("optionals.output.recoded",
["optionals.output.decoded", "alltypes.proto"],
MESSAGE='AllTypes')
env.Compare(["optionals.output", "optionals.output.recoded"])

View File

@@ -39,26 +39,26 @@ message AllTypes {
required EmptyMessage req_emptymsg = 18;
repeated int32 rep_int32 = 21;
repeated int64 rep_int64 = 22;
repeated uint32 rep_uint32 = 23;
repeated uint64 rep_uint64 = 24;
repeated sint32 rep_sint32 = 25;
repeated sint64 rep_sint64 = 26;
repeated bool rep_bool = 27;
repeated int32 rep_int32 = 21 [packed = true];
repeated int64 rep_int64 = 22 [packed = true];
repeated uint32 rep_uint32 = 23 [packed = true];
repeated uint64 rep_uint64 = 24 [packed = true];
repeated sint32 rep_sint32 = 25 [packed = true];
repeated sint64 rep_sint64 = 26 [packed = true];
repeated bool rep_bool = 27 [packed = true];
repeated fixed32 rep_fixed32 = 28;
repeated sfixed32 rep_sfixed32= 29;
repeated float rep_float = 30;
repeated fixed32 rep_fixed32 = 28 [packed = true];
repeated sfixed32 rep_sfixed32= 29 [packed = true];
repeated float rep_float = 30 [packed = true];
repeated fixed64 rep_fixed64 = 31;
repeated sfixed64 rep_sfixed64= 32;
repeated double rep_double = 33;
repeated fixed64 rep_fixed64 = 31 [packed = true];
repeated sfixed64 rep_sfixed64= 32 [packed = true];
repeated double rep_double = 33 [packed = true];
repeated string rep_string = 34;
repeated bytes rep_bytes = 35;
repeated SubMessage rep_submsg = 36;
repeated MyEnum rep_enum = 37;
repeated MyEnum rep_enum = 37 [packed = true];
repeated EmptyMessage rep_emptymsg = 38;
optional int32 opt_int32 = 41 [default = 4041];

View File

@@ -55,7 +55,11 @@ def add_nanopb_builders(env):
else:
infile = None
pipe = subprocess.Popen(str(source[0]),
args = [str(source[0])]
if env.has_key('ARGS'):
args.extend(env['ARGS'])
pipe = subprocess.Popen(args,
stdin = infile,
stdout = open(str(target[0]), 'w'),
stderr = sys.stderr)
@@ -81,6 +85,17 @@ def add_nanopb_builders(env):
suffix = '.decoded')
env.Append(BUILDERS = {'Decode': decode_builder})
# Build command that encodes a message using protoc
def encode_actions(source, target, env, for_signature):
esc = env['ESCAPE']
dirs = ' '.join(['-I' + esc(env.GetBuildPath(d)) for d in env['PROTOCPATH']])
return '$PROTOC $PROTOCFLAGS %s --encode=%s %s <%s >%s' % (
dirs, env['MESSAGE'], esc(str(source[1])), esc(str(source[0])), esc(str(target[0])))
encode_builder = Builder(generator = encode_actions,
suffix = '.encoded')
env.Append(BUILDERS = {'Encode': encode_builder})
# Build command that asserts that two files be equal
def compare_files(target, source, env):
data1 = open(str(source[0]), 'rb').read()