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#
# Protocol Buffers - Google's data interchange format
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"""Test for google.protobuf.json_format."""
__author__ = 'jieluo@google.com (Jie Luo)'
import json
import math
import sys
try:
import unittest2 as unittest #PY26
except ImportError:
import unittest
from google.protobuf import any_pb2
from google.protobuf import duration_pb2
from google.protobuf import field_mask_pb2
from google.protobuf import struct_pb2
from google.protobuf import timestamp_pb2
from google.protobuf import wrappers_pb2
from google.protobuf import unittest_mset_pb2
from google.protobuf import unittest_pb2
from google.protobuf.internal import well_known_types
from google.protobuf import json_format
from google.protobuf.util import json_format_proto3_pb2
class JsonFormatBase(unittest.TestCase):
def FillAllFields(self, message):
message.int32_value = 20
message.int64_value = -20
message.uint32_value = 3120987654
message.uint64_value = 12345678900
message.float_value = float('-inf')
message.double_value = 3.1415
message.bool_value = True
message.string_value = 'foo'
message.bytes_value = b'bar'
message.message_value.value = 10
message.enum_value = json_format_proto3_pb2.BAR
# Repeated
message.repeated_int32_value.append(0x7FFFFFFF)
message.repeated_int32_value.append(-2147483648)
message.repeated_int64_value.append(9007199254740992)
message.repeated_int64_value.append(-9007199254740992)
message.repeated_uint32_value.append(0xFFFFFFF)
message.repeated_uint32_value.append(0x7FFFFFF)
message.repeated_uint64_value.append(9007199254740992)
message.repeated_uint64_value.append(9007199254740991)
message.repeated_float_value.append(0)
message.repeated_double_value.append(1E-15)
message.repeated_double_value.append(float('inf'))
message.repeated_bool_value.append(True)
message.repeated_bool_value.append(False)
message.repeated_string_value.append('Few symbols!#$,;')
message.repeated_string_value.append('bar')
message.repeated_bytes_value.append(b'foo')
message.repeated_bytes_value.append(b'bar')
message.repeated_message_value.add().value = 10
message.repeated_message_value.add().value = 11
message.repeated_enum_value.append(json_format_proto3_pb2.FOO)
message.repeated_enum_value.append(json_format_proto3_pb2.BAR)
self.message = message
def CheckParseBack(self, message, parsed_message):
json_format.Parse(json_format.MessageToJson(message),
parsed_message)
self.assertEqual(message, parsed_message)
def CheckError(self, text, error_message):
message = json_format_proto3_pb2.TestMessage()
self.assertRaisesRegexp(
json_format.ParseError,
error_message,
json_format.Parse, text, message)
class JsonFormatTest(JsonFormatBase):
def testEmptyMessageToJson(self):
message = json_format_proto3_pb2.TestMessage()
self.assertEqual(json_format.MessageToJson(message),
'{}')
parsed_message = json_format_proto3_pb2.TestMessage()
self.CheckParseBack(message, parsed_message)
def testPartialMessageToJson(self):
message = json_format_proto3_pb2.TestMessage(
string_value='test',
repeated_int32_value=[89, 4])
self.assertEqual(json.loads(json_format.MessageToJson(message)),
json.loads('{"stringValue": "test", '
'"repeatedInt32Value": [89, 4]}'))
parsed_message = json_format_proto3_pb2.TestMessage()
self.CheckParseBack(message, parsed_message)
def testAllFieldsToJson(self):
message = json_format_proto3_pb2.TestMessage()
text = ('{"int32Value": 20, '
'"int64Value": "-20", '
'"uint32Value": 3120987654,'
'"uint64Value": "12345678900",'
'"floatValue": "-Infinity",'
'"doubleValue": 3.1415,'
'"boolValue": true,'
'"stringValue": "foo",'
'"bytesValue": "YmFy",'
'"messageValue": {"value": 10},'
'"enumValue": "BAR",'
'"repeatedInt32Value": [2147483647, -2147483648],'
'"repeatedInt64Value": ["9007199254740992", "-9007199254740992"],'
'"repeatedUint32Value": [268435455, 134217727],'
'"repeatedUint64Value": ["9007199254740992", "9007199254740991"],'
'"repeatedFloatValue": [0],'
'"repeatedDoubleValue": [1e-15, "Infinity"],'
'"repeatedBoolValue": [true, false],'
'"repeatedStringValue": ["Few symbols!#$,;", "bar"],'
'"repeatedBytesValue": ["Zm9v", "YmFy"],'
'"repeatedMessageValue": [{"value": 10}, {"value": 11}],'
'"repeatedEnumValue": ["FOO", "BAR"]'
'}')
self.FillAllFields(message)
self.assertEqual(
json.loads(json_format.MessageToJson(message)),
json.loads(text))
parsed_message = json_format_proto3_pb2.TestMessage()
json_format.Parse(text, parsed_message)
self.assertEqual(message, parsed_message)
def testUnknownEnumToJsonAndBack(self):
text = '{\n "enumValue": 999\n}'
message = json_format_proto3_pb2.TestMessage()
message.enum_value = 999
self.assertEqual(json_format.MessageToJson(message),
text)
parsed_message = json_format_proto3_pb2.TestMessage()
json_format.Parse(text, parsed_message)
self.assertEqual(message, parsed_message)
def testExtensionToJsonAndBack(self):
message = unittest_mset_pb2.TestMessageSetContainer()
ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension
ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension
message.message_set.Extensions[ext1].i = 23
message.message_set.Extensions[ext2].str = 'foo'
message_text = json_format.MessageToJson(
message
)
parsed_message = unittest_mset_pb2.TestMessageSetContainer()
json_format.Parse(message_text, parsed_message)
self.assertEqual(message, parsed_message)
def testExtensionErrors(self):
self.CheckError('{"[extensionField]": {}}',
'Message type proto3.TestMessage does not have extensions')
def testExtensionToDictAndBack(self):
message = unittest_mset_pb2.TestMessageSetContainer()
ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension
ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension
message.message_set.Extensions[ext1].i = 23
message.message_set.Extensions[ext2].str = 'foo'
message_dict = json_format.MessageToDict(
message
)
parsed_message = unittest_mset_pb2.TestMessageSetContainer()
json_format.ParseDict(message_dict, parsed_message)
self.assertEqual(message, parsed_message)
def testExtensionSerializationDictMatchesProto3Spec(self):
"""See go/proto3-json-spec for spec.
"""
message = unittest_mset_pb2.TestMessageSetContainer()
ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension
ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension
message.message_set.Extensions[ext1].i = 23
message.message_set.Extensions[ext2].str = 'foo'
message_dict = json_format.MessageToDict(
message
)
golden_dict = {
'messageSet': {
'[protobuf_unittest.'
'TestMessageSetExtension1.messageSetExtension]': {
'i': 23,
},
'[protobuf_unittest.'
'TestMessageSetExtension2.messageSetExtension]': {
'str': u'foo',
},
},
}
self.assertEqual(golden_dict, message_dict)
def testExtensionSerializationJsonMatchesProto3Spec(self):
"""See go/proto3-json-spec for spec.
"""
message = unittest_mset_pb2.TestMessageSetContainer()
ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension
ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension
message.message_set.Extensions[ext1].i = 23
message.message_set.Extensions[ext2].str = 'foo'
message_text = json_format.MessageToJson(
message
)
ext1_text = ('protobuf_unittest.TestMessageSetExtension1.'
'messageSetExtension')
ext2_text = ('protobuf_unittest.TestMessageSetExtension2.'
'messageSetExtension')
golden_text = ('{"messageSet": {'
' "[%s]": {'
' "i": 23'
' },'
' "[%s]": {'
' "str": "foo"'
' }'
'}}') % (ext1_text, ext2_text)
self.assertEqual(json.loads(golden_text), json.loads(message_text))
def testJsonEscapeString(self):
message = json_format_proto3_pb2.TestMessage()
if sys.version_info[0] < 3:
message.string_value = '&\n<\"\r>\b\t\f\\\001/\xe2\x80\xa8\xe2\x80\xa9'
else:
message.string_value = '&\n<\"\r>\b\t\f\\\001/'
message.string_value += (b'\xe2\x80\xa8\xe2\x80\xa9').decode('utf-8')
self.assertEqual(
json_format.MessageToJson(message),
'{\n "stringValue": '
'"&\\n<\\\"\\r>\\b\\t\\f\\\\\\u0001/\\u2028\\u2029"\n}')
parsed_message = json_format_proto3_pb2.TestMessage()
self.CheckParseBack(message, parsed_message)
text = u'{"int32Value": "\u0031"}'
json_format.Parse(text, message)
self.assertEqual(message.int32_value, 1)
def testAlwaysSeriliaze(self):
message = json_format_proto3_pb2.TestMessage(
string_value='foo')
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads('{'
'"repeatedStringValue": [],'
'"stringValue": "foo",'
'"repeatedBoolValue": [],'
'"repeatedUint32Value": [],'
'"repeatedInt32Value": [],'
'"enumValue": "FOO",'
'"int32Value": 0,'
'"floatValue": 0,'
'"int64Value": "0",'
'"uint32Value": 0,'
'"repeatedBytesValue": [],'
'"repeatedUint64Value": [],'
'"repeatedDoubleValue": [],'
'"bytesValue": "",'
'"boolValue": false,'
'"repeatedEnumValue": [],'
'"uint64Value": "0",'
'"doubleValue": 0,'
'"repeatedFloatValue": [],'
'"repeatedInt64Value": [],'
'"repeatedMessageValue": []}'))
parsed_message = json_format_proto3_pb2.TestMessage()
self.CheckParseBack(message, parsed_message)
def testIntegersRepresentedAsFloat(self):
message = json_format_proto3_pb2.TestMessage()
json_format.Parse('{"int32Value": -2.147483648e9}', message)
self.assertEqual(message.int32_value, -2147483648)
json_format.Parse('{"int32Value": 1e5}', message)
self.assertEqual(message.int32_value, 100000)
json_format.Parse('{"int32Value": 1.0}', message)
self.assertEqual(message.int32_value, 1)
def testMapFields(self):
message = json_format_proto3_pb2.TestNestedMap()
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads('{'
'"boolMap": {},'
'"int32Map": {},'
'"int64Map": {},'
'"uint32Map": {},'
'"uint64Map": {},'
'"stringMap": {},'
'"mapMap": {}'
'}'))
message.bool_map[True] = 1
message.bool_map[False] = 2
message.int32_map[1] = 2
message.int32_map[2] = 3
message.int64_map[1] = 2
message.int64_map[2] = 3
message.uint32_map[1] = 2
message.uint32_map[2] = 3
message.uint64_map[1] = 2
message.uint64_map[2] = 3
message.string_map['1'] = 2
message.string_map['null'] = 3
message.map_map['1'].bool_map[True] = 3
self.assertEqual(
json.loads(json_format.MessageToJson(message, False)),
json.loads('{'
'"boolMap": {"false": 2, "true": 1},'
'"int32Map": {"1": 2, "2": 3},'
'"int64Map": {"1": 2, "2": 3},'
'"uint32Map": {"1": 2, "2": 3},'
'"uint64Map": {"1": 2, "2": 3},'
'"stringMap": {"1": 2, "null": 3},'
'"mapMap": {"1": {"boolMap": {"true": 3}}}'
'}'))
parsed_message = json_format_proto3_pb2.TestNestedMap()
self.CheckParseBack(message, parsed_message)
def testOneofFields(self):
message = json_format_proto3_pb2.TestOneof()
# Always print does not affect oneof fields.
self.assertEqual(
json_format.MessageToJson(message, True),
'{}')
message.oneof_int32_value = 0
self.assertEqual(
json_format.MessageToJson(message, True),
'{\n'
' "oneofInt32Value": 0\n'
'}')
parsed_message = json_format_proto3_pb2.TestOneof()
self.CheckParseBack(message, parsed_message)
def testSurrogates(self):
# Test correct surrogate handling.
message = json_format_proto3_pb2.TestMessage()
json_format.Parse('{"stringValue": "\\uD83D\\uDE01"}', message)
self.assertEqual(message.string_value,
b'\xF0\x9F\x98\x81'.decode('utf-8', 'strict'))
# Error case: unpaired high surrogate.
self.CheckError(
'{"stringValue": "\\uD83D"}',
r'Invalid \\uXXXX escape|Unpaired.*surrogate')
# Unpaired low surrogate.
self.CheckError(
'{"stringValue": "\\uDE01"}',
r'Invalid \\uXXXX escape|Unpaired.*surrogate')
def testTimestampMessage(self):
message = json_format_proto3_pb2.TestTimestamp()
message.value.seconds = 0
message.value.nanos = 0
message.repeated_value.add().seconds = 20
message.repeated_value[0].nanos = 1
message.repeated_value.add().seconds = 0
message.repeated_value[1].nanos = 10000
message.repeated_value.add().seconds = 100000000
message.repeated_value[2].nanos = 0
# Maximum time
message.repeated_value.add().seconds = 253402300799
message.repeated_value[3].nanos = 999999999
# Minimum time
message.repeated_value.add().seconds = -62135596800
message.repeated_value[4].nanos = 0
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads('{'
'"value": "1970-01-01T00:00:00Z",'
'"repeatedValue": ['
' "1970-01-01T00:00:20.000000001Z",'
' "1970-01-01T00:00:00.000010Z",'
' "1973-03-03T09:46:40Z",'
' "9999-12-31T23:59:59.999999999Z",'
' "0001-01-01T00:00:00Z"'
']'
'}'))
parsed_message = json_format_proto3_pb2.TestTimestamp()
self.CheckParseBack(message, parsed_message)
text = (r'{"value": "1970-01-01T00:00:00.01+08:00",'
r'"repeatedValue":['
r' "1970-01-01T00:00:00.01+08:30",'
r' "1970-01-01T00:00:00.01-01:23"]}')
json_format.Parse(text, parsed_message)
self.assertEqual(parsed_message.value.seconds, -8 * 3600)
self.assertEqual(parsed_message.value.nanos, 10000000)
self.assertEqual(parsed_message.repeated_value[0].seconds, -8.5 * 3600)
self.assertEqual(parsed_message.repeated_value[1].seconds, 3600 + 23 * 60)
def testDurationMessage(self):
message = json_format_proto3_pb2.TestDuration()
message.value.seconds = 1
message.repeated_value.add().seconds = 0
message.repeated_value[0].nanos = 10
message.repeated_value.add().seconds = -1
message.repeated_value[1].nanos = -1000
message.repeated_value.add().seconds = 10
message.repeated_value[2].nanos = 11000000
message.repeated_value.add().seconds = -315576000000
message.repeated_value.add().seconds = 315576000000
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads('{'
'"value": "1s",'
'"repeatedValue": ['
' "0.000000010s",'
' "-1.000001s",'
' "10.011s",'
' "-315576000000s",'
' "315576000000s"'
']'
'}'))
parsed_message = json_format_proto3_pb2.TestDuration()
self.CheckParseBack(message, parsed_message)
def testFieldMaskMessage(self):
message = json_format_proto3_pb2.TestFieldMask()
message.value.paths.append('foo.bar')
message.value.paths.append('bar')
self.assertEqual(
json_format.MessageToJson(message, True),
'{\n'
' "value": "foo.bar,bar"\n'
'}')
parsed_message = json_format_proto3_pb2.TestFieldMask()
self.CheckParseBack(message, parsed_message)
def testWrapperMessage(self):
message = json_format_proto3_pb2.TestWrapper()
message.bool_value.value = False
message.int32_value.value = 0
message.string_value.value = ''
message.bytes_value.value = b''
message.repeated_bool_value.add().value = True
message.repeated_bool_value.add().value = False
message.repeated_int32_value.add()
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads('{\n'
' "int32Value": 0,'
' "boolValue": false,'
' "stringValue": "",'
' "bytesValue": "",'
' "repeatedBoolValue": [true, false],'
' "repeatedInt32Value": [0],'
' "repeatedUint32Value": [],'
' "repeatedFloatValue": [],'
' "repeatedDoubleValue": [],'
' "repeatedBytesValue": [],'
' "repeatedInt64Value": [],'
' "repeatedUint64Value": [],'
' "repeatedStringValue": []'
'}'))
parsed_message = json_format_proto3_pb2.TestWrapper()
self.CheckParseBack(message, parsed_message)
def testStructMessage(self):
message = json_format_proto3_pb2.TestStruct()
message.value['name'] = 'Jim'
message.value['age'] = 10
message.value['attend'] = True
message.value['email'] = None
message.value.get_or_create_struct('address')['city'] = 'SFO'
message.value['address']['house_number'] = 1024
struct_list = message.value.get_or_create_list('list')
struct_list.extend([6, 'seven', True, False, None])
struct_list.add_struct()['subkey2'] = 9
message.repeated_value.add()['age'] = 11
message.repeated_value.add()
self.assertEqual(
json.loads(json_format.MessageToJson(message, False)),
json.loads(
'{'
' "value": {'
' "address": {'
' "city": "SFO", '
' "house_number": 1024'
' }, '
' "age": 10, '
' "name": "Jim", '
' "attend": true, '
' "email": null, '
' "list": [6, "seven", true, false, null, {"subkey2": 9}]'
' },'
' "repeatedValue": [{"age": 11}, {}]'
'}'))
parsed_message = json_format_proto3_pb2.TestStruct()
self.CheckParseBack(message, parsed_message)
def testValueMessage(self):
message = json_format_proto3_pb2.TestValue()
message.value.string_value = 'hello'
message.repeated_value.add().number_value = 11.1
message.repeated_value.add().bool_value = False
message.repeated_value.add().null_value = 0
self.assertEqual(
json.loads(json_format.MessageToJson(message, False)),
json.loads(
'{'
' "value": "hello",'
' "repeatedValue": [11.1, false, null]'
'}'))
parsed_message = json_format_proto3_pb2.TestValue()
self.CheckParseBack(message, parsed_message)
# Can't parse back if the Value message is not set.
message.repeated_value.add()
self.assertEqual(
json.loads(json_format.MessageToJson(message, False)),
json.loads(
'{'
' "value": "hello",'
' "repeatedValue": [11.1, false, null, null]'
'}'))
message.Clear()
json_format.Parse('{"value": null}', message)
self.assertEqual(message.value.WhichOneof('kind'), 'null_value')
def testListValueMessage(self):
message = json_format_proto3_pb2.TestListValue()
message.value.values.add().number_value = 11.1
message.value.values.add().null_value = 0
message.value.values.add().bool_value = True
message.value.values.add().string_value = 'hello'
message.value.values.add().struct_value['name'] = 'Jim'
message.repeated_value.add().values.add().number_value = 1
message.repeated_value.add()
self.assertEqual(
json.loads(json_format.MessageToJson(message, False)),
json.loads(
'{"value": [11.1, null, true, "hello", {"name": "Jim"}]\n,'
'"repeatedValue": [[1], []]}'))
parsed_message = json_format_proto3_pb2.TestListValue()
self.CheckParseBack(message, parsed_message)
def testAnyMessage(self):
message = json_format_proto3_pb2.TestAny()
value1 = json_format_proto3_pb2.MessageType()
value2 = json_format_proto3_pb2.MessageType()
value1.value = 1234
value2.value = 5678
message.value.Pack(value1)
message.repeated_value.add().Pack(value1)
message.repeated_value.add().Pack(value2)
message.repeated_value.add()
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "repeatedValue": [ {\n'
' "@type": "type.googleapis.com/proto3.MessageType",\n'
' "value": 1234\n'
' }, {\n'
' "@type": "type.googleapis.com/proto3.MessageType",\n'
' "value": 5678\n'
' },\n'
' {}],\n'
' "value": {\n'
' "@type": "type.googleapis.com/proto3.MessageType",\n'
' "value": 1234\n'
' }\n'
'}\n'))
parsed_message = json_format_proto3_pb2.TestAny()
self.CheckParseBack(message, parsed_message)
# Must print @type first
test_message = json_format_proto3_pb2.TestMessage(
bool_value=True,
int32_value=20,
int64_value=-20,
uint32_value=20,
uint64_value=20,
double_value=3.14,
string_value='foo')
message.Clear()
message.value.Pack(test_message)
self.assertEqual(
json_format.MessageToJson(message, False)[0:68],
'{\n'
' "value": {\n'
' "@type": "type.googleapis.com/proto3.TestMessage"')
def testWellKnownInAnyMessage(self):
message = any_pb2.Any()
int32_value = wrappers_pb2.Int32Value()
int32_value.value = 1234
message.Pack(int32_value)
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "@type": \"type.googleapis.com/google.protobuf.Int32Value\",\n'
' "value": 1234\n'
'}\n'))
parsed_message = any_pb2.Any()
self.CheckParseBack(message, parsed_message)
timestamp = timestamp_pb2.Timestamp()
message.Pack(timestamp)
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "@type": "type.googleapis.com/google.protobuf.Timestamp",\n'
' "value": "1970-01-01T00:00:00Z"\n'
'}\n'))
self.CheckParseBack(message, parsed_message)
duration = duration_pb2.Duration()
duration.seconds = 1
message.Pack(duration)
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "@type": "type.googleapis.com/google.protobuf.Duration",\n'
' "value": "1s"\n'
'}\n'))
self.CheckParseBack(message, parsed_message)
field_mask = field_mask_pb2.FieldMask()
field_mask.paths.append('foo.bar')
field_mask.paths.append('bar')
message.Pack(field_mask)
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "@type": "type.googleapis.com/google.protobuf.FieldMask",\n'
' "value": "foo.bar,bar"\n'
'}\n'))
self.CheckParseBack(message, parsed_message)
struct_message = struct_pb2.Struct()
struct_message['name'] = 'Jim'
message.Pack(struct_message)
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "@type": "type.googleapis.com/google.protobuf.Struct",\n'
' "value": {"name": "Jim"}\n'
'}\n'))
self.CheckParseBack(message, parsed_message)
nested_any = any_pb2.Any()
int32_value.value = 5678
nested_any.Pack(int32_value)
message.Pack(nested_any)
self.assertEqual(
json.loads(json_format.MessageToJson(message, True)),
json.loads(
'{\n'
' "@type": "type.googleapis.com/google.protobuf.Any",\n'
' "value": {\n'
' "@type": "type.googleapis.com/google.protobuf.Int32Value",\n'
' "value": 5678\n'
' }\n'
'}\n'))
self.CheckParseBack(message, parsed_message)
def testParseNull(self):
message = json_format_proto3_pb2.TestMessage()
parsed_message = json_format_proto3_pb2.TestMessage()
self.FillAllFields(parsed_message)
json_format.Parse('{"int32Value": null, '
'"int64Value": null, '
'"uint32Value": null,'
'"uint64Value": null,'
'"floatValue": null,'
'"doubleValue": null,'
'"boolValue": null,'
'"stringValue": null,'
'"bytesValue": null,'
'"messageValue": null,'
'"enumValue": null,'
'"repeatedInt32Value": null,'
'"repeatedInt64Value": null,'
'"repeatedUint32Value": null,'
'"repeatedUint64Value": null,'
'"repeatedFloatValue": null,'
'"repeatedDoubleValue": null,'
'"repeatedBoolValue": null,'
'"repeatedStringValue": null,'
'"repeatedBytesValue": null,'
'"repeatedMessageValue": null,'
'"repeatedEnumValue": null'
'}',
parsed_message)
self.assertEqual(message, parsed_message)
# Null and {} should have different behavior for sub message.
self.assertFalse(parsed_message.HasField('message_value'))
json_format.Parse('{"messageValue": {}}', parsed_message)
self.assertTrue(parsed_message.HasField('message_value'))
# Null is not allowed to be used as an element in repeated field.
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse repeatedInt32Value field: '
'null is not allowed to be used as an element in a repeated field.',
json_format.Parse,
'{"repeatedInt32Value":[1, null]}',
parsed_message)
self.CheckError('{"repeatedMessageValue":[null]}',
'Failed to parse repeatedMessageValue field: null is not'
' allowed to be used as an element in a repeated field.')
def testNanFloat(self):
message = json_format_proto3_pb2.TestMessage()
message.float_value = float('nan')
text = '{\n "floatValue": "NaN"\n}'
self.assertEqual(json_format.MessageToJson(message), text)
parsed_message = json_format_proto3_pb2.TestMessage()
json_format.Parse(text, parsed_message)
self.assertTrue(math.isnan(parsed_message.float_value))
def testParseEmptyText(self):
self.CheckError('',
r'Failed to load JSON: (Expecting value)|(No JSON).')
def testParseEnumValue(self):
message = json_format_proto3_pb2.TestMessage()
text = '{"enumValue": 0}'
json_format.Parse(text, message)
text = '{"enumValue": 1}'
json_format.Parse(text, message)
self.CheckError(
'{"enumValue": "baz"}',
'Failed to parse enumValue field: Invalid enum value baz '
'for enum type proto3.EnumType.')
# Proto3 accepts numeric unknown enums.
text = '{"enumValue": 12345}'
json_format.Parse(text, message)
# Proto2 does not accept unknown enums.
message = unittest_pb2.TestAllTypes()
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse optionalNestedEnum field: Invalid enum value 12345 '
'for enum type protobuf_unittest.TestAllTypes.NestedEnum.',
json_format.Parse, '{"optionalNestedEnum": 12345}', message)
def testParseBadIdentifer(self):
self.CheckError('{int32Value: 1}',
(r'Failed to load JSON: Expecting property name'
r'( enclosed in double quotes)?: line 1'))
self.CheckError('{"unknownName": 1}',
'Message type "proto3.TestMessage" has no field named '
'"unknownName".')
def testIgnoreUnknownField(self):
text = '{"unknownName": 1}'
parsed_message = json_format_proto3_pb2.TestMessage()
json_format.Parse(text, parsed_message, ignore_unknown_fields=True)
text = ('{\n'
' "repeatedValue": [ {\n'
' "@type": "type.googleapis.com/proto3.MessageType",\n'
' "unknownName": 1\n'
' }]\n'
'}\n')
parsed_message = json_format_proto3_pb2.TestAny()
json_format.Parse(text, parsed_message, ignore_unknown_fields=True)
def testDuplicateField(self):
# Duplicate key check is not supported for python2.6
if sys.version_info < (2, 7):
return
self.CheckError('{"int32Value": 1,\n"int32Value":2}',
'Failed to load JSON: duplicate key int32Value.')
def testInvalidBoolValue(self):
self.CheckError('{"boolValue": 1}',
'Failed to parse boolValue field: '
'Expected true or false without quotes.')
self.CheckError('{"boolValue": "true"}',
'Failed to parse boolValue field: '
'Expected true or false without quotes.')
def testInvalidIntegerValue(self):
message = json_format_proto3_pb2.TestMessage()
text = '{"int32Value": 0x12345}'
self.assertRaises(json_format.ParseError,
json_format.Parse, text, message)
self.CheckError('{"int32Value": 1.5}',
'Failed to parse int32Value field: '
'Couldn\'t parse integer: 1.5.')
self.CheckError('{"int32Value": 012345}',
(r'Failed to load JSON: Expecting \'?,\'? delimiter: '
r'line 1.'))
self.CheckError('{"int32Value": " 1 "}',
'Failed to parse int32Value field: '
'Couldn\'t parse integer: " 1 ".')
self.CheckError('{"int32Value": "1 "}',
'Failed to parse int32Value field: '
'Couldn\'t parse integer: "1 ".')
self.CheckError('{"int32Value": 12345678901234567890}',
'Failed to parse int32Value field: Value out of range: '
'12345678901234567890.')
self.CheckError('{"uint32Value": -1}',
'Failed to parse uint32Value field: '
'Value out of range: -1.')
def testInvalidFloatValue(self):
self.CheckError('{"floatValue": "nan"}',
'Failed to parse floatValue field: Couldn\'t '
'parse float "nan", use "NaN" instead.')
def testInvalidBytesValue(self):
self.CheckError('{"bytesValue": "AQI"}',
'Failed to parse bytesValue field: Incorrect padding.')
self.CheckError('{"bytesValue": "AQI*"}',
'Failed to parse bytesValue field: Incorrect padding.')
def testInvalidRepeated(self):
self.CheckError('{"repeatedInt32Value": 12345}',
(r'Failed to parse repeatedInt32Value field: repeated field'
r' repeatedInt32Value must be in \[\] which is 12345.'))
def testInvalidMap(self):
message = json_format_proto3_pb2.TestMap()
text = '{"int32Map": {"null": 2, "2": 3}}'
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse int32Map field: invalid literal',
json_format.Parse, text, message)
text = '{"int32Map": {1: 2, "2": 3}}'
self.assertRaisesRegexp(
json_format.ParseError,
(r'Failed to load JSON: Expecting property name'
r'( enclosed in double quotes)?: line 1'),
json_format.Parse, text, message)
text = '{"boolMap": {"null": 1}}'
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse boolMap field: Expected "true" or "false", not null.',
json_format.Parse, text, message)
if sys.version_info < (2, 7):
return
text = r'{"stringMap": {"a": 3, "\u0061": 2}}'
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to load JSON: duplicate key a',
json_format.Parse, text, message)
text = r'{"stringMap": 0}'
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse stringMap field: Map field string_map must be '
'in a dict which is 0.',
json_format.Parse, text, message)
def testInvalidTimestamp(self):
message = json_format_proto3_pb2.TestTimestamp()
text = '{"value": "10000-01-01T00:00:00.00Z"}'
self.assertRaisesRegexp(
json_format.ParseError,
'time data \'10000-01-01T00:00:00\' does not match'
' format \'%Y-%m-%dT%H:%M:%S\'.',
json_format.Parse, text, message)
text = '{"value": "1970-01-01T00:00:00.0123456789012Z"}'
self.assertRaisesRegexp(
well_known_types.ParseError,
'nanos 0123456789012 more than 9 fractional digits.',
json_format.Parse, text, message)
text = '{"value": "1972-01-01T01:00:00.01+08"}'
self.assertRaisesRegexp(
well_known_types.ParseError,
(r'Invalid timezone offset value: \+08.'),
json_format.Parse, text, message)
# Time smaller than minimum time.
text = '{"value": "0000-01-01T00:00:00Z"}'
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse value field: year (0 )?is out of range.',
json_format.Parse, text, message)
# Time bigger than maxinum time.
message.value.seconds = 253402300800
self.assertRaisesRegexp(
OverflowError,
'date value out of range',
json_format.MessageToJson, message)
def testInvalidOneof(self):
message = json_format_proto3_pb2.TestOneof()
text = '{"oneofInt32Value": 1, "oneofStringValue": "2"}'
self.assertRaisesRegexp(
json_format.ParseError,
'Message type "proto3.TestOneof"'
' should not have multiple "oneof_value" oneof fields.',
json_format.Parse, text, message)
def testInvalidListValue(self):
message = json_format_proto3_pb2.TestListValue()
text = '{"value": 1234}'
self.assertRaisesRegexp(
json_format.ParseError,
r'Failed to parse value field: ListValue must be in \[\] which is 1234',
json_format.Parse, text, message)
def testInvalidStruct(self):
message = json_format_proto3_pb2.TestStruct()
text = '{"value": 1234}'
self.assertRaisesRegexp(
json_format.ParseError,
'Failed to parse value field: Struct must be in a dict which is 1234',
json_format.Parse, text, message)
def testInvalidAny(self):
message = any_pb2.Any()
text = '{"@type": "type.googleapis.com/google.protobuf.Int32Value"}'
self.assertRaisesRegexp(
KeyError,
'value',
json_format.Parse, text, message)
text = '{"value": 1234}'
self.assertRaisesRegexp(
json_format.ParseError,
'@type is missing when parsing any message.',
json_format.Parse, text, message)
text = '{"@type": "type.googleapis.com/MessageNotExist", "value": 1234}'
self.assertRaisesRegexp(
TypeError,
'Can not find message descriptor by type_url: '
'type.googleapis.com/MessageNotExist.',
json_format.Parse, text, message)
# Only last part is to be used: b/25630112
text = (r'{"@type": "incorrect.googleapis.com/google.protobuf.Int32Value",'
r'"value": 1234}')
json_format.Parse(text, message)
def testPreservingProtoFieldNames(self):
message = json_format_proto3_pb2.TestMessage()
message.int32_value = 12345
self.assertEqual('{\n "int32Value": 12345\n}',
json_format.MessageToJson(message))
self.assertEqual('{\n "int32_value": 12345\n}',
json_format.MessageToJson(message, False, True))
# When including_default_value_fields is True.
message = json_format_proto3_pb2.TestTimestamp()
self.assertEqual('{\n "repeatedValue": []\n}',
json_format.MessageToJson(message, True, False))
self.assertEqual('{\n "repeated_value": []\n}',
json_format.MessageToJson(message, True, True))
# Parsers accept both original proto field names and lowerCamelCase names.
message = json_format_proto3_pb2.TestMessage()
json_format.Parse('{"int32Value": 54321}', message)
self.assertEqual(54321, message.int32_value)
json_format.Parse('{"int32_value": 12345}', message)
self.assertEqual(12345, message.int32_value)
def testIndent(self):
message = json_format_proto3_pb2.TestMessage()
message.int32_value = 12345
self.assertEqual('{\n"int32Value": 12345\n}',
json_format.MessageToJson(message, indent=0))
def testParseDict(self):
expected = 12345
js_dict = {'int32Value': expected}
message = json_format_proto3_pb2.TestMessage()
json_format.ParseDict(js_dict, message)
self.assertEqual(expected, message.int32_value)
def testMessageToDict(self):
message = json_format_proto3_pb2.TestMessage()
message.int32_value = 12345
expected = {'int32Value': 12345}
self.assertEqual(expected,
json_format.MessageToDict(message))
def testJsonName(self):
message = json_format_proto3_pb2.TestCustomJsonName()
message.value = 12345
self.assertEqual('{\n "@value": 12345\n}',
json_format.MessageToJson(message))
parsed_message = json_format_proto3_pb2.TestCustomJsonName()
self.CheckParseBack(message, parsed_message)
def testSortKeys(self):
# Testing sort_keys is not perfectly working, as by random luck we could
# get the output sorted. We just use a selection of names.
message = json_format_proto3_pb2.TestMessage(bool_value=True,
int32_value=1,
int64_value=3,
uint32_value=4,
string_value='bla')
self.assertEqual(
json_format.MessageToJson(message, sort_keys=True),
# We use json.dumps() instead of a hardcoded string due to differences
# between Python 2 and Python 3.
json.dumps({'boolValue': True, 'int32Value': 1, 'int64Value': '3',
'uint32Value': 4, 'stringValue': 'bla'},
indent=2, sort_keys=True))
if __name__ == '__main__':
unittest.main()