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text_format_test.py
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# -*- coding: utf-8 -*-
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Test for google.protobuf.text_format."""
import io
import math
import re
import string
import textwrap
import unittest
from google.protobuf import any_pb2
from google.protobuf import struct_pb2
from google.protobuf import descriptor_pb2
from google.protobuf.internal import any_test_pb2 as test_extend_any
from google.protobuf.internal import api_implementation
from google.protobuf.internal import message_set_extensions_pb2
from google.protobuf.internal import test_proto3_optional_pb2
from google.protobuf.internal import test_util
from google.protobuf import descriptor_pool
from google.protobuf import text_format
from google.protobuf.internal import _parameterized
from google.protobuf import any_test_pb2
from google.protobuf import map_unittest_pb2
from google.protobuf import unittest_mset_pb2
from google.protobuf import unittest_custom_options_pb2
from google.protobuf import unittest_pb2
from google.protobuf import unittest_proto3_arena_pb2
# pylint: enable=g-import-not-at-top
# Low-level nuts-n-bolts tests.
class SimpleTextFormatTests(unittest.TestCase):
# The members of _QUOTES are formatted into a regexp template that
# expects single characters. Therefore it's an error (in addition to being
# non-sensical in the first place) to try to specify a "quote mark" that is
# more than one character.
def testQuoteMarksAreSingleChars(self):
for quote in text_format._QUOTES:
self.assertEqual(1, len(quote))
# Base class with some common functionality.
class TextFormatBase(unittest.TestCase):
def ReadGolden(self, golden_filename):
with test_util.GoldenFile(golden_filename) as f:
return (f.readlines() if str is bytes else # PY3
[golden_line.decode('utf-8') for golden_line in f])
def CompareToGoldenFile(self, text, golden_filename):
golden_lines = self.ReadGolden(golden_filename)
self.assertMultiLineEqual(text, ''.join(golden_lines))
def CompareToGoldenText(self, text, golden_text):
self.assertEqual(text, golden_text)
def RemoveRedundantZeros(self, text):
# Some platforms print 1e+5 as 1e+005. This is fine, but we need to remove
# these zeros in order to match the golden file.
text = text.replace('e+0','e+').replace('e+0','e+') \
.replace('e-0','e-').replace('e-0','e-')
# Floating point fields are printed with .0 suffix even if they are
# actually integer numbers.
text = re.compile(r'\.0$', re.MULTILINE).sub('', text)
return text
@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2)
class TextFormatMessageToStringTests(TextFormatBase):
def testPrintExotic(self, message_module):
message = message_module.TestAllTypes()
message.repeated_int64.append(-9223372036854775808)
message.repeated_uint64.append(18446744073709551615)
message.repeated_double.append(123.456)
message.repeated_double.append(1.23e22)
message.repeated_double.append(1.23e-18)
message.repeated_string.append('\000\001\a\b\f\n\r\t\v\\\'"')
message.repeated_string.append(u'\u00fc\ua71f')
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_format.MessageToString(message)),
'repeated_int64: -9223372036854775808\n'
'repeated_uint64: 18446744073709551615\n'
'repeated_double: 123.456\n'
'repeated_double: 1.23e+22\n'
'repeated_double: 1.23e-18\n'
'repeated_string:'
' "\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""\n'
'repeated_string: "\\303\\274\\352\\234\\237"\n')
def testPrintFloatPrecision(self, message_module):
message = message_module.TestAllTypes()
message.repeated_float.append(0.0)
message.repeated_float.append(0.8)
message.repeated_float.append(1.0)
message.repeated_float.append(1.2)
message.repeated_float.append(1.23)
message.repeated_float.append(1.234)
message.repeated_float.append(1.2345)
message.repeated_float.append(1.23456)
message.repeated_float.append(1.2e10)
message.repeated_float.append(1.23e10)
message.repeated_float.append(1.234e10)
message.repeated_float.append(1.2345e10)
message.repeated_float.append(1.23456e10)
message.repeated_float.append(float('NaN'))
message.repeated_float.append(float('inf'))
message.repeated_double.append(0.0)
message.repeated_double.append(0.8)
message.repeated_double.append(1.0)
message.repeated_double.append(1.2)
message.repeated_double.append(1.23)
message.repeated_double.append(1.234)
message.repeated_double.append(1.2345)
message.repeated_double.append(1.23456)
message.repeated_double.append(1.234567)
message.repeated_double.append(1.2345678)
message.repeated_double.append(1.23456789)
message.repeated_double.append(1.234567898)
message.repeated_double.append(1.2345678987)
message.repeated_double.append(1.23456789876)
message.repeated_double.append(1.234567898765)
message.repeated_double.append(1.2345678987654)
message.repeated_double.append(1.23456789876543)
message.repeated_double.append(1.2e100)
message.repeated_double.append(1.23e100)
message.repeated_double.append(1.234e100)
message.repeated_double.append(1.2345e100)
message.repeated_double.append(1.23456e100)
message.repeated_double.append(1.234567e100)
message.repeated_double.append(1.2345678e100)
message.repeated_double.append(1.23456789e100)
message.repeated_double.append(1.234567898e100)
message.repeated_double.append(1.2345678987e100)
message.repeated_double.append(1.23456789876e100)
message.repeated_double.append(1.234567898765e100)
message.repeated_double.append(1.2345678987654e100)
message.repeated_double.append(1.23456789876543e100)
# pylint: disable=g-long-ternary
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_format.MessageToString(message)),
'repeated_float: 0\n'
'repeated_float: 0.8\n'
'repeated_float: 1\n'
'repeated_float: 1.2\n'
'repeated_float: 1.23\n'
'repeated_float: 1.234\n'
'repeated_float: 1.2345\n'
'repeated_float: 1.23456\n'
# Note that these don't use scientific notation.
'repeated_float: 12000000000\n'
'repeated_float: 12300000000\n'
'repeated_float: 12340000000\n'
'repeated_float: 12345000000\n'
'repeated_float: 12345600000\n'
'repeated_float: nan\n'
'repeated_float: inf\n'
'repeated_double: 0\n'
'repeated_double: 0.8\n'
'repeated_double: 1\n'
'repeated_double: 1.2\n'
'repeated_double: 1.23\n'
'repeated_double: 1.234\n'
'repeated_double: 1.2345\n'
'repeated_double: 1.23456\n'
'repeated_double: 1.234567\n'
'repeated_double: 1.2345678\n'
'repeated_double: 1.23456789\n'
'repeated_double: 1.234567898\n'
'repeated_double: 1.2345678987\n'
'repeated_double: 1.23456789876\n'
'repeated_double: 1.234567898765\n'
'repeated_double: 1.2345678987654\n'
'repeated_double: 1.23456789876543\n'
'repeated_double: 1.2e+100\n'
'repeated_double: 1.23e+100\n'
'repeated_double: 1.234e+100\n'
'repeated_double: 1.2345e+100\n'
'repeated_double: 1.23456e+100\n'
'repeated_double: 1.234567e+100\n'
'repeated_double: 1.2345678e+100\n'
'repeated_double: 1.23456789e+100\n'
'repeated_double: 1.234567898e+100\n'
'repeated_double: 1.2345678987e+100\n'
'repeated_double: 1.23456789876e+100\n'
'repeated_double: 1.234567898765e+100\n'
'repeated_double: 1.2345678987654e+100\n'
'repeated_double: 1.23456789876543e+100\n')
def testPrintExoticUnicodeSubclass(self, message_module):
class UnicodeSub(str):
pass
message = message_module.TestAllTypes()
message.repeated_string.append(UnicodeSub(u'\u00fc\ua71f'))
self.CompareToGoldenText(
text_format.MessageToString(message),
'repeated_string: "\\303\\274\\352\\234\\237"\n')
def testPrintNestedMessageAsOneLine(self, message_module):
message = message_module.TestAllTypes()
msg = message.repeated_nested_message.add()
msg.bb = 42
self.CompareToGoldenText(
text_format.MessageToString(message, as_one_line=True),
'repeated_nested_message { bb: 42 }')
def testPrintRepeatedFieldsAsOneLine(self, message_module):
message = message_module.TestAllTypes()
message.repeated_int32.append(1)
message.repeated_int32.append(1)
message.repeated_int32.append(3)
message.repeated_string.append('Google')
message.repeated_string.append('Zurich')
self.CompareToGoldenText(
text_format.MessageToString(message, as_one_line=True),
'repeated_int32: 1 repeated_int32: 1 repeated_int32: 3 '
'repeated_string: "Google" repeated_string: "Zurich"')
def VerifyPrintShortFormatRepeatedFields(self, message_module, as_one_line):
message = message_module.TestAllTypes()
message.repeated_int32.append(1)
message.repeated_string.append('Google')
message.repeated_string.append('Hello,World')
message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_FOO)
message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_BAR)
message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_BAZ)
message.optional_nested_message.bb = 3
for i in (21, 32):
msg = message.repeated_nested_message.add()
msg.bb = i
expected_ascii = (
'optional_nested_message {\n bb: 3\n}\n'
'repeated_int32: [1]\n'
'repeated_string: "Google"\n'
'repeated_string: "Hello,World"\n'
'repeated_nested_message {\n bb: 21\n}\n'
'repeated_nested_message {\n bb: 32\n}\n'
'repeated_foreign_enum: [FOREIGN_FOO, FOREIGN_BAR, FOREIGN_BAZ]\n')
if as_one_line:
expected_ascii = expected_ascii.replace('\n', ' ')
expected_ascii = re.sub(r'\s+', ' ', expected_ascii)
expected_ascii = re.sub(r'\s$', '', expected_ascii)
actual_ascii = text_format.MessageToString(
message, use_short_repeated_primitives=True,
as_one_line=as_one_line)
self.CompareToGoldenText(actual_ascii, expected_ascii)
parsed_message = message_module.TestAllTypes()
text_format.Parse(actual_ascii, parsed_message)
self.assertEqual(parsed_message, message)
def testPrintShortFormatRepeatedFields(self, message_module):
self.VerifyPrintShortFormatRepeatedFields(message_module, False)
self.VerifyPrintShortFormatRepeatedFields(message_module, True)
def testPrintNestedNewLineInStringAsOneLine(self, message_module):
message = message_module.TestAllTypes()
message.optional_string = 'a\nnew\nline'
self.CompareToGoldenText(
text_format.MessageToString(message, as_one_line=True),
'optional_string: "a\\nnew\\nline"')
def testPrintExoticAsOneLine(self, message_module):
message = message_module.TestAllTypes()
message.repeated_int64.append(-9223372036854775808)
message.repeated_uint64.append(18446744073709551615)
message.repeated_double.append(123.456)
message.repeated_double.append(1.23e22)
message.repeated_double.append(1.23e-18)
message.repeated_string.append('\000\001\a\b\f\n\r\t\v\\\'"')
message.repeated_string.append(u'\u00fc\ua71f')
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_format.MessageToString(
message, as_one_line=True)),
'repeated_int64: -9223372036854775808'
' repeated_uint64: 18446744073709551615'
' repeated_double: 123.456'
' repeated_double: 1.23e+22'
' repeated_double: 1.23e-18'
' repeated_string: '
'"\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""'
' repeated_string: "\\303\\274\\352\\234\\237"')
def testRoundTripExoticAsOneLine(self, message_module):
message = message_module.TestAllTypes()
message.repeated_int64.append(-9223372036854775808)
message.repeated_uint64.append(18446744073709551615)
message.repeated_double.append(123.456)
message.repeated_double.append(1.23e22)
message.repeated_double.append(1.23e-18)
message.repeated_string.append('\000\001\a\b\f\n\r\t\v\\\'"')
message.repeated_string.append(u'\u00fc\ua71f')
# Test as_utf8 = False.
wire_text = text_format.MessageToString(message,
as_one_line=True,
as_utf8=False)
parsed_message = message_module.TestAllTypes()
r = text_format.Parse(wire_text, parsed_message)
self.assertIs(r, parsed_message)
self.assertEqual(message, parsed_message)
# Test as_utf8 = True.
wire_text = text_format.MessageToString(message,
as_one_line=True,
as_utf8=True)
parsed_message = message_module.TestAllTypes()
r = text_format.Parse(wire_text, parsed_message)
self.assertIs(r, parsed_message)
self.assertEqual(message, parsed_message,
'\n%s != %s' % (message, parsed_message))
def testPrintRawUtf8String(self, message_module):
message = message_module.TestAllTypes()
message.repeated_string.append(u'\u00fc\t\ua71f')
text = text_format.MessageToString(message, as_utf8=True)
golden_unicode = u'repeated_string: "\u00fc\\t\ua71f"\n'
golden_text = golden_unicode
# MessageToString always returns a native str.
self.CompareToGoldenText(text, golden_text)
parsed_message = message_module.TestAllTypes()
text_format.Parse(text, parsed_message)
self.assertEqual(
message, parsed_message, '\n%s != %s (%s != %s)' %
(message, parsed_message, message.repeated_string[0],
parsed_message.repeated_string[0]))
def testPrintFloatFormat(self, message_module):
# Check that float_format argument is passed to sub-message formatting.
message = message_module.NestedTestAllTypes()
message.payload.optional_float = 1.25
# Check rounding at 15 significant digits
message.payload.optional_double = -.000003456789012345678
# Check no decimal point.
message.payload.repeated_float.append(-5642)
# Check no trailing zeros.
message.payload.repeated_double.append(.000078900)
formatted_fields = ['optional_float: 1.25',
'optional_double: -3.45678901234568e-6',
'repeated_float: -5642', 'repeated_double: 7.89e-5']
text_message = text_format.MessageToString(message, float_format='.15g')
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_message),
'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format(
*formatted_fields))
# as_one_line=True is a separate code branch where float_format is passed.
text_message = text_format.MessageToString(message,
as_one_line=True,
float_format='.15g')
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_message),
'payload {{ {0} {1} {2} {3} }}'.format(*formatted_fields))
# 32-bit 1.2 is noisy when extended to 64-bit:
# >>> struct.unpack('f', struct.pack('f', 1.2))[0]
# 1.2000000476837158
message.payload.optional_float = 1.2
formatted_fields = ['optional_float: 1.2',
'optional_double: -3.45678901234568e-6',
'repeated_float: -5642', 'repeated_double: 7.89e-5']
text_message = text_format.MessageToString(message, float_format='.7g',
double_format='.15g')
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_message),
'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format(
*formatted_fields))
# Test only set float_format affect both float and double fields.
formatted_fields = ['optional_float: 1.2',
'optional_double: -3.456789e-6',
'repeated_float: -5642', 'repeated_double: 7.89e-5']
text_message = text_format.MessageToString(message, float_format='.7g')
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_message),
'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format(
*formatted_fields))
# Test default float_format will automatic print shortest float.
message.payload.optional_float = 1.2345678912
message.payload.optional_double = 1.2345678912
formatted_fields = ['optional_float: 1.2345679',
'optional_double: 1.2345678912',
'repeated_float: -5642', 'repeated_double: 7.89e-5']
text_message = text_format.MessageToString(message)
self.CompareToGoldenText(
self.RemoveRedundantZeros(text_message),
'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format(
*formatted_fields))
message.Clear()
message.payload.optional_float = 1.1000000000011
self.assertEqual(text_format.MessageToString(message),
'payload {\n optional_float: 1.1\n}\n')
message.payload.optional_float = 1.00000075e-36
self.assertEqual(text_format.MessageToString(message),
'payload {\n optional_float: 1.00000075e-36\n}\n')
message.payload.optional_float = 12345678912345e+11
self.assertEqual(text_format.MessageToString(message),
'payload {\n optional_float: 1.234568e+24\n}\n')
def testMessageToString(self, message_module):
message = message_module.ForeignMessage()
message.c = 123
self.assertEqual('c: 123\n', str(message))
def testMessageToStringUnicode(self, message_module):
golden_unicode = u'Á short desçription and a 🍌.'
golden_bytes = golden_unicode.encode('utf-8')
message = message_module.TestAllTypes()
message.optional_string = golden_unicode
message.optional_bytes = golden_bytes
text = text_format.MessageToString(message, as_utf8=True)
golden_message = textwrap.dedent(
'optional_string: "Á short desçription and a 🍌."\n'
'optional_bytes: '
r'"\303\201 short des\303\247ription and a \360\237\215\214."'
'\n')
self.CompareToGoldenText(text, golden_message)
def testMessageToStringASCII(self, message_module):
golden_unicode = u'Á short desçription and a 🍌.'
golden_bytes = golden_unicode.encode('utf-8')
message = message_module.TestAllTypes()
message.optional_string = golden_unicode
message.optional_bytes = golden_bytes
text = text_format.MessageToString(message, as_utf8=False) # ASCII
golden_message = (
'optional_string: '
r'"\303\201 short des\303\247ription and a \360\237\215\214."'
'\n'
'optional_bytes: '
r'"\303\201 short des\303\247ription and a \360\237\215\214."'
'\n')
self.CompareToGoldenText(text, golden_message)
def testPrintField(self, message_module):
message = message_module.TestAllTypes()
field = message.DESCRIPTOR.fields_by_name['optional_float']
value = message.optional_float
out = text_format.TextWriter(False)
text_format.PrintField(field, value, out)
self.assertEqual('optional_float: 0.0\n', out.getvalue())
out.close()
# Test Printer
out = text_format.TextWriter(False)
printer = text_format._Printer(out)
printer.PrintField(field, value)
self.assertEqual('optional_float: 0.0\n', out.getvalue())
out.close()
def testPrintFieldValue(self, message_module):
message = message_module.TestAllTypes()
field = message.DESCRIPTOR.fields_by_name['optional_float']
value = message.optional_float
out = text_format.TextWriter(False)
text_format.PrintFieldValue(field, value, out)
self.assertEqual('0.0', out.getvalue())
out.close()
# Test Printer
out = text_format.TextWriter(False)
printer = text_format._Printer(out)
printer.PrintFieldValue(field, value)
self.assertEqual('0.0', out.getvalue())
out.close()
def testCustomOptions(self, message_module):
message_descriptor = (unittest_custom_options_pb2.
TestMessageWithCustomOptions.DESCRIPTOR)
message_proto = descriptor_pb2.DescriptorProto()
message_descriptor.CopyToProto(message_proto)
expected_text = (
'name: "TestMessageWithCustomOptions"\n'
'field {\n'
' name: "field1"\n'
' number: 1\n'
' label: LABEL_OPTIONAL\n'
' type: TYPE_STRING\n'
' options {\n'
' ctype: CORD\n'
' [protobuf_unittest.field_opt1]: 8765432109\n'
' }\n'
'}\n'
'field {\n'
' name: "oneof_field"\n'
' number: 2\n'
' label: LABEL_OPTIONAL\n'
' type: TYPE_INT32\n'
' oneof_index: 0\n'
'}\n'
'field {\n'
' name: "map_field"\n'
' number: 3\n'
' label: LABEL_REPEATED\n'
' type: TYPE_MESSAGE\n'
' type_name: ".protobuf_unittest.TestMessageWithCustomOptions.'
'MapFieldEntry"\n'
' options {\n'
' [protobuf_unittest.field_opt1]: 12345\n'
' }\n'
'}\n'
'nested_type {\n'
' name: "MapFieldEntry"\n'
' field {\n'
' name: "key"\n'
' number: 1\n'
' label: LABEL_OPTIONAL\n'
' type: TYPE_STRING\n'
' }\n'
' field {\n'
' name: "value"\n'
' number: 2\n'
' label: LABEL_OPTIONAL\n'
' type: TYPE_STRING\n'
' }\n'
' options {\n'
' map_entry: true\n'
' }\n'
'}\n'
'enum_type {\n'
' name: "AnEnum"\n'
' value {\n'
' name: "ANENUM_VAL1"\n'
' number: 1\n'
' }\n'
' value {\n'
' name: "ANENUM_VAL2"\n'
' number: 2\n'
' options {\n'
' [protobuf_unittest.enum_value_opt1]: 123\n'
' }\n'
' }\n'
' options {\n'
' [protobuf_unittest.enum_opt1]: -789\n'
' }\n'
'}\n'
'options {\n'
' message_set_wire_format: false\n'
' [protobuf_unittest.message_opt1]: -56\n'
'}\n'
'oneof_decl {\n'
' name: "AnOneof"\n'
' options {\n'
' [protobuf_unittest.oneof_opt1]: -99\n'
' }\n'
'}\n')
self.assertEqual(expected_text,
text_format.MessageToString(message_proto))
parsed_proto = descriptor_pb2.DescriptorProto()
text_format.Parse(expected_text, parsed_proto)
self.assertEqual(message_proto, parsed_proto)
@unittest.skipIf(
api_implementation.Type() == 'upb',
"upb API doesn't support old UnknownField API. The TextFormat library "
"needs to convert to the new API.")
def testPrintUnknownFieldsEmbeddedMessageInBytes(self, message_module):
inner_msg = message_module.TestAllTypes()
inner_msg.optional_int32 = 101
inner_msg.optional_double = 102.0
inner_msg.optional_string = u'hello'
inner_msg.optional_bytes = b'103'
inner_msg.optional_nested_message.bb = 105
inner_data = inner_msg.SerializeToString()
outer_message = message_module.TestAllTypes()
outer_message.optional_int32 = 101
outer_message.optional_bytes = inner_data
all_data = outer_message.SerializeToString()
empty_message = message_module.TestEmptyMessage()
empty_message.ParseFromString(all_data)
self.assertEqual(' 1: 101\n'
' 15 {\n'
' 1: 101\n'
' 12: 4636878028842991616\n'
' 14: "hello"\n'
' 15: "103"\n'
' 18 {\n'
' 1: 105\n'
' }\n'
' }\n',
text_format.MessageToString(empty_message,
indent=2,
print_unknown_fields=True))
self.assertEqual('1: 101 '
'15 { '
'1: 101 '
'12: 4636878028842991616 '
'14: "hello" '
'15: "103" '
'18 { 1: 105 } '
'}',
text_format.MessageToString(empty_message,
print_unknown_fields=True,
as_one_line=True))
@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2)
class TextFormatMessageToTextBytesTests(TextFormatBase):
def testMessageToBytes(self, message_module):
message = message_module.ForeignMessage()
message.c = 123
self.assertEqual(b'c: 123\n', text_format.MessageToBytes(message))
def testRawUtf8RoundTrip(self, message_module):
message = message_module.TestAllTypes()
message.repeated_string.append(u'\u00fc\t\ua71f')
utf8_text = text_format.MessageToBytes(message, as_utf8=True)
golden_bytes = b'repeated_string: "\xc3\xbc\\t\xea\x9c\x9f"\n'
self.CompareToGoldenText(utf8_text, golden_bytes)
parsed_message = message_module.TestAllTypes()
text_format.Parse(utf8_text, parsed_message)
self.assertEqual(
message, parsed_message, '\n%s != %s (%s != %s)' %
(message, parsed_message, message.repeated_string[0],
parsed_message.repeated_string[0]))
def testEscapedUtf8ASCIIRoundTrip(self, message_module):
message = message_module.TestAllTypes()
message.repeated_string.append(u'\u00fc\t\ua71f')
ascii_text = text_format.MessageToBytes(message) # as_utf8=False default
golden_bytes = b'repeated_string: "\\303\\274\\t\\352\\234\\237"\n'
self.CompareToGoldenText(ascii_text, golden_bytes)
parsed_message = message_module.TestAllTypes()
text_format.Parse(ascii_text, parsed_message)
self.assertEqual(
message, parsed_message, '\n%s != %s (%s != %s)' %
(message, parsed_message, message.repeated_string[0],
parsed_message.repeated_string[0]))
@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2)
class TextFormatParserTests(TextFormatBase):
def testParseAllFields(self, message_module):
message = message_module.TestAllTypes()
test_util.SetAllFields(message)
ascii_text = text_format.MessageToString(message)
parsed_message = message_module.TestAllTypes()
text_format.Parse(ascii_text, parsed_message)
self.assertEqual(message, parsed_message)
if message_module is unittest_pb2:
test_util.ExpectAllFieldsSet(self, message)
def testParseAndMergeUtf8(self, message_module):
message = message_module.TestAllTypes()
test_util.SetAllFields(message)
ascii_text = text_format.MessageToString(message)
ascii_text = ascii_text.encode('utf-8')
parsed_message = message_module.TestAllTypes()
text_format.Parse(ascii_text, parsed_message)
self.assertEqual(message, parsed_message)
if message_module is unittest_pb2:
test_util.ExpectAllFieldsSet(self, message)
parsed_message.Clear()
text_format.Merge(ascii_text, parsed_message)
self.assertEqual(message, parsed_message)
if message_module is unittest_pb2:
test_util.ExpectAllFieldsSet(self, message)
msg2 = message_module.TestAllTypes()
text = (u'optional_string: "café"')
text_format.Merge(text, msg2)
self.assertEqual(msg2.optional_string, u'café')
msg2.Clear()
self.assertEqual(msg2.optional_string, u'')
text_format.Parse(text, msg2)
self.assertEqual(msg2.optional_string, u'café')
def testParseDoubleToFloat(self, message_module):
message = message_module.TestAllTypes()
text = ('repeated_float: 3.4028235e+39\n'
'repeated_float: 1.4028235e-39\n')
text_format.Parse(text, message)
self.assertEqual(message.repeated_float[0], float('inf'))
self.assertAlmostEqual(message.repeated_float[1], 1.4028235e-39)
def testParseExotic(self, message_module):
message = message_module.TestAllTypes()
text = ('repeated_int64: -9223372036854775808\n'
'repeated_uint64: 18446744073709551615\n'
'repeated_double: 123.456\n'
'repeated_double: 1.23e+22\n'
'repeated_double: 1.23e-18\n'
'repeated_string: \n'
'"\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""\n'
'repeated_string: "foo" \'corge\' "grault"\n'
'repeated_string: "\\303\\274\\352\\234\\237"\n'
'repeated_string: "\\xc3\\xbc"\n'
'repeated_string: "\xc3\xbc"\n')
text_format.Parse(text, message)
self.assertEqual(-9223372036854775808, message.repeated_int64[0])
self.assertEqual(18446744073709551615, message.repeated_uint64[0])
self.assertEqual(123.456, message.repeated_double[0])
self.assertEqual(1.23e22, message.repeated_double[1])
self.assertEqual(1.23e-18, message.repeated_double[2])
self.assertEqual('\000\001\a\b\f\n\r\t\v\\\'"', message.repeated_string[0])
self.assertEqual('foocorgegrault', message.repeated_string[1])
self.assertEqual(u'\u00fc\ua71f', message.repeated_string[2])
self.assertEqual(u'\u00fc', message.repeated_string[3])
def testParseTrailingCommas(self, message_module):
message = message_module.TestAllTypes()
text = ('repeated_int64: 100;\n'
'repeated_int64: 200;\n'
'repeated_int64: 300,\n'
'repeated_string: "one",\n'
'repeated_string: "two";\n')
text_format.Parse(text, message)
self.assertEqual(100, message.repeated_int64[0])
self.assertEqual(200, message.repeated_int64[1])
self.assertEqual(300, message.repeated_int64[2])
self.assertEqual(u'one', message.repeated_string[0])
self.assertEqual(u'two', message.repeated_string[1])
def testParseRepeatedScalarShortFormat(self, message_module):
message = message_module.TestAllTypes()
text = ('repeated_int64: [100, 200];\n'
'repeated_int64: []\n'
'repeated_int64: 300,\n'
'repeated_string: ["one", "two"];\n')
text_format.Parse(text, message)
self.assertEqual(100, message.repeated_int64[0])
self.assertEqual(200, message.repeated_int64[1])
self.assertEqual(300, message.repeated_int64[2])
self.assertEqual(u'one', message.repeated_string[0])
self.assertEqual(u'two', message.repeated_string[1])
def testParseRepeatedMessageShortFormat(self, message_module):
message = message_module.TestAllTypes()
text = ('repeated_nested_message: [{bb: 100}, {bb: 200}],\n'
'repeated_nested_message: {bb: 300}\n'
'repeated_nested_message [{bb: 400}];\n')
text_format.Parse(text, message)
self.assertEqual(100, message.repeated_nested_message[0].bb)
self.assertEqual(200, message.repeated_nested_message[1].bb)
self.assertEqual(300, message.repeated_nested_message[2].bb)
self.assertEqual(400, message.repeated_nested_message[3].bb)
def testParseEmptyText(self, message_module):
message = message_module.TestAllTypes()
text = ''
text_format.Parse(text, message)
self.assertEqual(message_module.TestAllTypes(), message)
def testParseInvalidUtf8(self, message_module):
message = message_module.TestAllTypes()
text = b'invalid<\xc3\xc3>'
with self.assertRaises(text_format.ParseError):
text_format.Parse(text, message)
def testParseInvalidUtf8Value(self, message_module):
message = message_module.TestAllTypes()
text = 'repeated_string: "\\xc3\\xc3"'
with self.assertRaises(text_format.ParseError) as e:
text_format.Parse(text, message)
self.assertEqual(e.exception.GetLine(), 1)
self.assertEqual(e.exception.GetColumn(), 28)
def testParseSingleWord(self, message_module):
message = message_module.TestAllTypes()
text = 'foo'
self.assertRaisesRegex(
text_format.ParseError,
(r'1:1 : Message type "\w+.TestAllTypes" has no field named '
r'"foo".'), text_format.Parse, text, message)
def testParseUnknownField(self, message_module):
message = message_module.TestAllTypes()
text = 'unknown_field: 8\n'
self.assertRaisesRegex(
text_format.ParseError,
(r'1:1 : Message type "\w+.TestAllTypes" has no field named '
r'"unknown_field".'), text_format.Parse, text, message)
text = ('optional_int32: 123\n'
'unknown_field: 8\n'
'optional_nested_message { bb: 45 }')
text_format.Parse(text, message, allow_unknown_field=True)
self.assertEqual(message.optional_nested_message.bb, 45)
self.assertEqual(message.optional_int32, 123)
def testParseBadEnumValue(self, message_module):
message = message_module.TestAllTypes()
text = 'optional_nested_enum: BARR'
self.assertRaisesRegex(text_format.ParseError,
(r'1:23 : \'optional_nested_enum: BARR\': '
r'Enum type "\w+.TestAllTypes.NestedEnum" '
r'has no value named BARR.'), text_format.Parse,
text, message)
def testParseBadIntValue(self, message_module):
message = message_module.TestAllTypes()
text = 'optional_int32: bork'
self.assertRaisesRegex(text_format.ParseError,
('1:17 : \'optional_int32: bork\': '
'Couldn\'t parse integer: bork'), text_format.Parse,
text, message)
def testParseStringFieldUnescape(self, message_module):
message = message_module.TestAllTypes()
text = r'''repeated_string: "\xf\x62"
repeated_string: "\\xf\\x62"
repeated_string: "\\\xf\\\x62"
repeated_string: "\\\\xf\\\\x62"
repeated_string: "\\\\\xf\\\\\x62"
repeated_string: "\x5cx20"'''
text_format.Parse(text, message)
SLASH = '\\'
self.assertEqual('\x0fb', message.repeated_string[0])
self.assertEqual(SLASH + 'xf' + SLASH + 'x62', message.repeated_string[1])
self.assertEqual(SLASH + '\x0f' + SLASH + 'b', message.repeated_string[2])
self.assertEqual(SLASH + SLASH + 'xf' + SLASH + SLASH + 'x62',
message.repeated_string[3])
self.assertEqual(SLASH + SLASH + '\x0f' + SLASH + SLASH + 'b',
message.repeated_string[4])
self.assertEqual(SLASH + 'x20', message.repeated_string[5])
def testParseOneof(self, message_module):
m = message_module.TestAllTypes()
m.oneof_uint32 = 11
m2 = message_module.TestAllTypes()
text_format.Parse(text_format.MessageToString(m), m2)
self.assertEqual('oneof_uint32', m2.WhichOneof('oneof_field'))
def testParseMultipleOneof(self, message_module):
m_string = '\n'.join(['oneof_uint32: 11', 'oneof_string: "foo"'])
m2 = message_module.TestAllTypes()
with self.assertRaisesRegex(text_format.ParseError,
' is specified along with field '):
text_format.Parse(m_string, m2)
# This example contains non-ASCII codepoint unicode data as literals
# which should come through as utf-8 for bytes, and as the unicode
# itself for string fields. It also demonstrates escaped binary data.
# The ur"" string prefix is unfortunately missing from Python 3
# so we resort to double escaping our \s so that they come through.
_UNICODE_SAMPLE = u"""
optional_bytes: 'Á short desçription'
optional_string: 'Á short desçription'
repeated_bytes: '\\303\\201 short des\\303\\247ription'
repeated_bytes: '\\x12\\x34\\x56\\x78\\x90\\xab\\xcd\\xef'
repeated_string: '\\xd0\\x9f\\xd1\\x80\\xd0\\xb8\\xd0\\xb2\\xd0\\xb5\\xd1\\x82'
"""
_BYTES_SAMPLE = _UNICODE_SAMPLE.encode('utf-8')
_GOLDEN_UNICODE = u'Á short desçription'
_GOLDEN_BYTES = _GOLDEN_UNICODE.encode('utf-8')
_GOLDEN_BYTES_1 = b'\x12\x34\x56\x78\x90\xab\xcd\xef'
_GOLDEN_STR_0 = u'Привет'
def testParseUnicode(self, message_module):
m = message_module.TestAllTypes()
text_format.Parse(self._UNICODE_SAMPLE, m)
self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES)
self.assertEqual(m.optional_string, self._GOLDEN_UNICODE)
self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES)
# repeated_bytes[1] contained simple \ escaped non-UTF-8 raw binary data.
self.assertEqual(m.repeated_bytes[1], self._GOLDEN_BYTES_1)
# repeated_string[0] contained \ escaped data representing the UTF-8
# representation of _GOLDEN_STR_0 - it needs to decode as such.
self.assertEqual(m.repeated_string[0], self._GOLDEN_STR_0)
def testParseBytes(self, message_module):
m = message_module.TestAllTypes()
text_format.Parse(self._BYTES_SAMPLE, m)
self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES)
self.assertEqual(m.optional_string, self._GOLDEN_UNICODE)
self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES)
# repeated_bytes[1] contained simple \ escaped non-UTF-8 raw binary data.
self.assertEqual(m.repeated_bytes[1], self._GOLDEN_BYTES_1)
# repeated_string[0] contained \ escaped data representing the UTF-8
# representation of _GOLDEN_STR_0 - it needs to decode as such.
self.assertEqual(m.repeated_string[0], self._GOLDEN_STR_0)
def testFromBytesFile(self, message_module):
m = message_module.TestAllTypes()
f = io.BytesIO(self._BYTES_SAMPLE)
text_format.ParseLines(f, m)
self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES)
self.assertEqual(m.optional_string, self._GOLDEN_UNICODE)
self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES)
def testFromUnicodeFile(self, message_module):
m = message_module.TestAllTypes()
f = io.StringIO(self._UNICODE_SAMPLE)
text_format.ParseLines(f, m)
self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES)
self.assertEqual(m.optional_string, self._GOLDEN_UNICODE)
self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES)
def testFromBytesLines(self, message_module):
m = message_module.TestAllTypes()
text_format.ParseLines(self._BYTES_SAMPLE.split(b'\n'), m)
self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES)
self.assertEqual(m.optional_string, self._GOLDEN_UNICODE)
self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES)
def testFromUnicodeLines(self, message_module):
m = message_module.TestAllTypes()
text_format.ParseLines(self._UNICODE_SAMPLE.split(u'\n'), m)
self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES)
self.assertEqual(m.optional_string, self._GOLDEN_UNICODE)
self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES)
def testParseDuplicateMessages(self, message_module):
message = message_module.TestAllTypes()
text = ('optional_nested_message { bb: 1 } '
'optional_nested_message { bb: 2 }')
self.assertRaisesRegex(
text_format.ParseError,
(r'1:59 : Message type "\w+.TestAllTypes" '
r'should not have multiple "optional_nested_message" fields.'),
text_format.Parse, text, message)
def testParseDuplicateScalars(self, message_module):
message = message_module.TestAllTypes()
text = ('optional_int32: 42 ' 'optional_int32: 67')
self.assertRaisesRegex(
text_format.ParseError,
(r'1:36 : Message type "\w+.TestAllTypes" should not '
r'have multiple "optional_int32" fields.'), text_format.Parse, text,
message)
def testParseExistingScalarInMessage(self, message_module):
message = message_module.TestAllTypes(optional_int32=42)
text = 'optional_int32: 67'
self.assertRaisesRegex(text_format.ParseError,
(r'Message type "\w+.TestAllTypes" should not '
r'have multiple "optional_int32" fields.'),
text_format.Parse, text, message)
@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2)
class TextFormatMergeTests(TextFormatBase):
def testMergeDuplicateScalarsInText(self, message_module):
message = message_module.TestAllTypes()
text = ('optional_int32: 42 ' 'optional_int32: 67')
r = text_format.Merge(text, message)
self.assertIs(r, message)
self.assertEqual(67, message.optional_int32)
def testMergeDuplicateNestedMessageScalars(self, message_module):
message = message_module.TestAllTypes()
text = ('optional_nested_message { bb: 1 } '
'optional_nested_message { bb: 2 }')
r = text_format.Merge(text, message)
self.assertTrue(r is message)
self.assertEqual(2, message.optional_nested_message.bb)
def testReplaceScalarInMessage(self, message_module):
message = message_module.TestAllTypes(optional_int32=42)
text = 'optional_int32: 67'
r = text_format.Merge(text, message)
self.assertIs(r, message)
self.assertEqual(67, message.optional_int32)