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Merge remote-tracking branch 'daniel/master' into pr/wrapper-as-output

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boukeversteegh
2020-05-24 10:41:40 +02:00
parent 7e9ba0866c 5e2d9febea
commit b711d1e11f
64 changed files with 1092 additions and 127 deletions
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7
.gitignore vendored
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@@ -4,12 +4,9 @@
.pytest_cache
.python-version
build/
betterproto/tests/*.bin
betterproto/tests/*_pb2.py
betterproto/tests/*.py
!betterproto/tests/generate.py
!betterproto/tests/test_*.py
betterproto/tests/output_*
**/__pycache__
dist
**/*.egg-info
output
.idea

1
Pipfile
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@@ -8,6 +8,7 @@ flake8 = "*"
mypy = "*"
isort = "*"
pytest = "*"
pytest-asyncio = "*"
rope = "*"
v = {editable = true,version = "*"}

464
Pipfile.lock generated Normal file
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@@ -0,0 +1,464 @@
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"sha256:7ec45a70d40ede1ec7ad7f95b3c94c9cf4c186a32f6bacb1795b60abd2f9ef27",
"sha256:86c857510a9b7c3104cf4cde1568f4921762c8f9842e987bc03ed4f160925754",
"sha256:8a627507ef9b307b46a1fea9513d5c98680ba09591253082b4c48697ba05a4ae",
"sha256:8dfb69fbf9f3aeed18afffb15e319ca7f8da9642336348ddd6cab2713ddcf8f9",
"sha256:a34b577cdf6313bf24755f7a0e3f3c326d5c1f4fe7422d1d06498eb25ad0c600",
"sha256:a8ffcd53cb5dfc131850851cc09f1c44689c2812d0beb954d8138d4f5fc17f65",
"sha256:b90928f2d9eb2f33162405f32dde9f6dcead63a0971ca8a1b50eb4ca3e35ceb8",
"sha256:c56ffe22faa2e51054c5f7a3bc70a370939c2ed4de308c690e7949230c995913",
"sha256:f91c7ae919bbc3f96cd5e5b2e786b2b108343d1d7972ea130f7de27fdd547cf3"
],
"index": "pypi",
"version": "==0.770"
},
"mypy-extensions": {
"hashes": [
"sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d",
"sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"
],
"version": "==0.4.3"
},
"packaging": {
"hashes": [
"sha256:3c292b474fda1671ec57d46d739d072bfd495a4f51ad01a055121d81e952b7a3",
"sha256:82f77b9bee21c1bafbf35a84905d604d5d1223801d639cf3ed140bd651c08752"
],
"version": "==20.3"
},
"pluggy": {
"hashes": [
"sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
"sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
],
"version": "==0.13.1"
},
"py": {
"hashes": [
"sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa",
"sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
],
"version": "==1.8.1"
},
"pycodestyle": {
"hashes": [
"sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
"sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
],
"version": "==2.5.0"
},
"pyflakes": {
"hashes": [
"sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
"sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
],
"version": "==2.1.1"
},
"pyparsing": {
"hashes": [
"sha256:67199f0c41a9c702154efb0e7a8cc08accf830eb003b4d9fa42c4059002e2492",
"sha256:700d17888d441604b0bd51535908dcb297561b040819cccde647a92439db5a2a"
],
"version": "==3.0.0a1"
},
"pytest": {
"hashes": [
"sha256:0e5b30f5cb04e887b91b1ee519fa3d89049595f428c1db76e73bd7f17b09b172",
"sha256:84dde37075b8805f3d1f392cc47e38a0e59518fb46a431cfdaf7cf1ce805f970"
],
"index": "pypi",
"version": "==5.4.1"
},
"pytest-asyncio": {
"hashes": [
"sha256:9fac5100fd716cbecf6ef89233e8590a4ad61d729d1732e0a96b84182df1daaf",
"sha256:d734718e25cfc32d2bf78d346e99d33724deeba774cc4afdf491530c6184b63b"
],
"index": "pypi",
"version": "==0.10.0"
},
"rope": {
"hashes": [
"sha256:52423a7eebb5306a6d63bdc91a7c657db51ac9babfb8341c9a1440831ecf3203",
"sha256:ae1fa2fd56f64f4cc9be46493ce54bed0dd12dee03980c61a4393d89d84029ad",
"sha256:d2830142c2e046f5fc26a022fe680675b6f48f81c7fc1f03a950706e746e9dfe"
],
"index": "pypi",
"version": "==0.16.0"
},
"six": {
"hashes": [
"sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
"sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
],
"version": "==1.14.0"
},
"typed-ast": {
"hashes": [
"sha256:0666aa36131496aed8f7be0410ff974562ab7eeac11ef351def9ea6fa28f6355",
"sha256:0c2c07682d61a629b68433afb159376e24e5b2fd4641d35424e462169c0a7919",
"sha256:249862707802d40f7f29f6e1aad8d84b5aa9e44552d2cc17384b209f091276aa",
"sha256:24995c843eb0ad11a4527b026b4dde3da70e1f2d8806c99b7b4a7cf491612652",
"sha256:269151951236b0f9a6f04015a9004084a5ab0d5f19b57de779f908621e7d8b75",
"sha256:4083861b0aa07990b619bd7ddc365eb7fa4b817e99cf5f8d9cf21a42780f6e01",
"sha256:498b0f36cc7054c1fead3d7fc59d2150f4d5c6c56ba7fb150c013fbc683a8d2d",
"sha256:4e3e5da80ccbebfff202a67bf900d081906c358ccc3d5e3c8aea42fdfdfd51c1",
"sha256:6daac9731f172c2a22ade6ed0c00197ee7cc1221aa84cfdf9c31defeb059a907",
"sha256:715ff2f2df46121071622063fc7543d9b1fd19ebfc4f5c8895af64a77a8c852c",
"sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3",
"sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b",
"sha256:8ce678dbaf790dbdb3eba24056d5364fb45944f33553dd5869b7580cdbb83614",
"sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb",
"sha256:bcd3b13b56ea479b3650b82cabd6b5343a625b0ced5429e4ccad28a8973f301b",
"sha256:c9e348e02e4d2b4a8b2eedb48210430658df6951fa484e59de33ff773fbd4b41",
"sha256:d205b1b46085271b4e15f670058ce182bd1199e56b317bf2ec004b6a44f911f6",
"sha256:d43943ef777f9a1c42bf4e552ba23ac77a6351de620aa9acf64ad54933ad4d34",
"sha256:d5d33e9e7af3b34a40dc05f498939f0ebf187f07c385fd58d591c533ad8562fe",
"sha256:fc0fea399acb12edbf8a628ba8d2312f583bdbdb3335635db062fa98cf71fca4",
"sha256:fe460b922ec15dd205595c9b5b99e2f056fd98ae8f9f56b888e7a17dc2b757e7"
],
"version": "==1.4.1"
},
"typing-extensions": {
"hashes": [
"sha256:6e95524d8a547a91e08f404ae485bbb71962de46967e1b71a0cb89af24e761c5",
"sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae",
"sha256:f8d2bd89d25bc39dabe7d23df520442fa1d8969b82544370e03d88b5a591c392"
],
"version": "==3.7.4.2"
},
"v": {
"hashes": [
"sha256:2d5a8f79a36aaebe62ef2c7068e3ec7f86656078202edabfdbf74715dc822d36",
"sha256:cd6b6b20b4a611f209c88bcdfb7211321f85662efb2bdd53a7b40314d0a84618"
],
"index": "pypi",
"version": "==0.0.0"
},
"wcwidth": {
"hashes": [
"sha256:cafe2186b3c009a04067022ce1dcd79cb38d8d65ee4f4791b8888d6599d1bbe1",
"sha256:ee73862862a156bf77ff92b09034fc4825dd3af9cf81bc5b360668d425f3c5f1"
],
"version": "==0.1.9"
},
"zipp": {
"hashes": [
"sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
"sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
],
"version": "==3.1.0"
}
}
}

27
README.md
View File

@@ -311,10 +311,26 @@ $ pip install -e .
There are two types of tests:
1. Manually-written tests for some behavior of the library
2. Proto files and JSON inputs for automated tests
1. Standard tests
2. Custom tests
For #2, you can add a new `*.proto` file into the `betterproto/tests` directory along with a sample `*.json` input and it will get automatically picked up.
#### Standard tests
Adding a standard test case is easy.
- Create a new directory `betterproto/tests/inputs/<name>`
- add `<name>.proto` with a message called `Test`
- add `<name>.json` with some test data
It will be picked up automatically when you run the tests.
- See also: [Standard Tests Development Guide](betterproto/tests/README.md)
#### Custom tests
Custom tests are found in `tests/test_*.py` and are run with pytest.
#### Running
Here's how to run the tests.
@@ -322,7 +338,7 @@ Here's how to run the tests.
# Generate assets from sample .proto files
$ pipenv run generate
# Run the tests
# Run all tests
$ pipenv run test
```
@@ -340,6 +356,9 @@ $ pipenv run test
- [x] Refs to nested types
- [x] Imports in proto files
- [x] Well-known Google types
- [ ] Support as request input
- [ ] Support as response output
- [ ] Automatically wrap/unwrap responses
- [x] OneOf support
- [x] Basic support on the wire
- [x] Check which was set from the group

60
betterproto/__init__.py
View File

@@ -11,10 +11,12 @@ from typing import (
Any,
AsyncGenerator,
Callable,
Collection,
Dict,
Generator,
Iterable,
List,
Mapping,
Optional,
SupportsBytes,
Tuple,
@@ -1000,20 +1002,57 @@ def _get_wrapper(proto_type: str) -> Type:
}[proto_type]
_Value = Union[str, bytes]
_MetadataLike = Union[Mapping[str, _Value], Collection[Tuple[str, _Value]]]
class ServiceStub(ABC):
"""
Base class for async gRPC service stubs.
"""
def __init__(self, channel: grpclib.client.Channel) -> None:
def __init__(
self,
channel: grpclib.client.Channel,
*,
timeout: Optional[float] = None,
deadline: Optional[grpclib.metadata.Deadline] = None,
metadata: Optional[_MetadataLike] = None,
) -> None:
self.channel = channel
self.timeout = timeout
self.deadline = deadline
self.metadata = metadata
def __resolve_request_kwargs(
self,
timeout: Optional[float],
deadline: Optional[grpclib.metadata.Deadline],
metadata: Optional[_MetadataLike],
):
return {
"timeout": self.timeout if timeout is None else timeout,
"deadline": self.deadline if deadline is None else deadline,
"metadata": self.metadata if metadata is None else metadata,
}
async def _unary_unary(
self, route: str, request: "IProtoMessage", response_type: Type[T]
self,
route: str,
request: "IProtoMessage",
response_type: Type[T],
*,
timeout: Optional[float] = None,
deadline: Optional[grpclib.metadata.Deadline] = None,
metadata: Optional[_MetadataLike] = None,
) -> T:
"""Make a unary request and return the response."""
async with self.channel.request(
route, grpclib.const.Cardinality.UNARY_UNARY, type(request), response_type
route,
grpclib.const.Cardinality.UNARY_UNARY,
type(request),
response_type,
**self.__resolve_request_kwargs(timeout, deadline, metadata),
) as stream:
await stream.send_message(request, end=True)
response = await stream.recv_message()
@@ -1021,11 +1060,22 @@ class ServiceStub(ABC):
return response
async def _unary_stream(
self, route: str, request: "IProtoMessage", response_type: Type[T]
self,
route: str,
request: "IProtoMessage",
response_type: Type[T],
*,
timeout: Optional[float] = None,
deadline: Optional[grpclib.metadata.Deadline] = None,
metadata: Optional[_MetadataLike] = None,
) -> AsyncGenerator[T, None]:
"""Make a unary request and return the stream response iterator."""
async with self.channel.request(
route, grpclib.const.Cardinality.UNARY_STREAM, type(request), response_type
route,
grpclib.const.Cardinality.UNARY_STREAM,
type(request),
response_type,
**self.__resolve_request_kwargs(timeout, deadline, metadata),
) as stream:
await stream.send_message(request, end=True)
async for message in stream:

2
betterproto/plugin.bat Normal file
View File

@@ -0,0 +1,2 @@
@SET plugin_dir=%~dp0
@python %plugin_dir%/plugin.py %*

2
betterproto/plugin.py
View File

@@ -138,7 +138,7 @@ def get_py_zero(type_num: int) -> str:
def traverse(proto_file):
def _traverse(path, items, prefix = ''):
def _traverse(path, items, prefix=""):
for i, item in enumerate(items):
# Adjust the name since we flatten the heirarchy.
item.name = next_prefix = prefix + item.name

75
betterproto/tests/README.md Normal file
View File

@@ -0,0 +1,75 @@
# Standard Tests Development Guide
Standard test cases are found in [betterproto/tests/inputs](inputs), where each subdirectory represents a testcase, that is verified in isolation.
```
inputs/
bool/
double/
int32/
...
```
## Test case directory structure
Each testcase has a `<name>.proto` file with a message called `Test`, a matching `.json` file and optionally a custom test file called `test_*.py`.
```bash
bool/
bool.proto
bool.json
test_bool.py # optional
```
### proto
`<name>.proto` &mdash; *The protobuf message to test*
```protobuf
syntax = "proto3";
message Test {
bool value = 1;
}
```
You can add multiple `.proto` files to the test case, as long as one file matches the directory name.
### json
`<name>.json` &mdash; *Test-data to validate the message with*
```json
{
"value": true
}
```
### pytest
`test_<name>.py` &mdash; *Custom test to validate specific aspects of the generated class*
```python
from betterproto.tests.output_betterproto.bool.bool import Test
def test_value():
message = Test()
assert not message.value, "Boolean is False by default"
```
## Standard tests
The following tests are automatically executed for all cases:
- [x] Can the generated python code imported?
- [x] Can the generated message class be instantiated?
- [x] Is the generated code compatible with the Google's `grpc_tools.protoc` implementation?
## Running the tests
- `pipenv run generate`
This generates
- `betterproto/tests/output_betterproto` &mdash; *the plugin generated python classes*
- `betterproto/tests/output_reference` &mdash; *reference implementation classes*
- `pipenv run test`

126
betterproto/tests/generate.py
View File

@@ -1,84 +1,74 @@
#!/usr/bin/env python
import os
import sys
from typing import Set
from betterproto.tests.util import (
get_directories,
inputs_path,
output_path_betterproto,
output_path_reference,
protoc_plugin,
protoc_reference,
)
# Force pure-python implementation instead of C++, otherwise imports
# break things because we can't properly reset the symbol database.
os.environ["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = "python"
import importlib
import json
import subprocess
import sys
from typing import Generator, Tuple
from google.protobuf import symbol_database
from google.protobuf.descriptor_pool import DescriptorPool
from google.protobuf.json_format import MessageToJson, Parse
def generate(whitelist: Set[str]):
path_whitelist = {os.path.realpath(e) for e in whitelist if os.path.exists(e)}
name_whitelist = {e for e in whitelist if not os.path.exists(e)}
test_case_names = set(get_directories(inputs_path))
for test_case_name in sorted(test_case_names):
test_case_path = os.path.realpath(os.path.join(inputs_path, test_case_name))
if (
whitelist
and test_case_path not in path_whitelist
and test_case_name not in name_whitelist
):
continue
case_output_dir_reference = os.path.join(output_path_reference, test_case_name)
case_output_dir_betterproto = os.path.join(
output_path_betterproto, test_case_name
)
print(f"Generating output for {test_case_name}")
os.makedirs(case_output_dir_reference, exist_ok=True)
os.makedirs(case_output_dir_betterproto, exist_ok=True)
protoc_reference(test_case_path, case_output_dir_reference)
protoc_plugin(test_case_path, case_output_dir_betterproto)
root = os.path.dirname(os.path.realpath(__file__))
HELP = "\n".join(
[
"Usage: python generate.py",
" python generate.py [DIRECTORIES or NAMES]",
"Generate python classes for standard tests.",
"",
"DIRECTORIES One or more relative or absolute directories of test-cases to generate classes for.",
" python generate.py inputs/bool inputs/double inputs/enum",
"",
"NAMES One or more test-case names to generate classes for.",
" python generate.py bool double enums",
]
)
def get_files(end: str) -> Generator[str, None, None]:
for r, dirs, files in os.walk(root):
for filename in [f for f in files if f.endswith(end)]:
yield os.path.join(r, filename)
def main():
if set(sys.argv).intersection({"-h", "--help"}):
print(HELP)
return
whitelist = set(sys.argv[1:])
def get_base(filename: str) -> str:
return os.path.splitext(os.path.basename(filename))[0]
def ensure_ext(filename: str, ext: str) -> str:
if not filename.endswith(ext):
return filename + ext
return filename
generate(whitelist)
if __name__ == "__main__":
os.chdir(root)
if len(sys.argv) > 1:
proto_files = [ensure_ext(f, ".proto") for f in sys.argv[1:]]
bases = {get_base(f) for f in proto_files}
json_files = [
f for f in get_files(".json") if get_base(f).split("-")[0] in bases
]
else:
proto_files = get_files(".proto")
json_files = get_files(".json")
for filename in proto_files:
print(f"Generating code for {os.path.basename(filename)}")
subprocess.run(
f"protoc --python_out=. {os.path.basename(filename)}", shell=True
)
subprocess.run(
f"protoc --plugin=protoc-gen-custom=../plugin.py --custom_out=. {os.path.basename(filename)}",
shell=True,
)
for filename in json_files:
# Reset the internal symbol database so we can import the `Test` message
# multiple times. Ugh.
sym = symbol_database.Default()
sym.pool = DescriptorPool()
parts = get_base(filename).split("-")
out = filename.replace(".json", ".bin")
print(f"Using {parts[0]}_pb2 to generate {os.path.basename(out)}")
imported = importlib.import_module(f"{parts[0]}_pb2")
input_json = open(filename).read()
parsed = Parse(input_json, imported.Test())
serialized = parsed.SerializeToString()
preserve = "casing" not in filename
serialized_json = MessageToJson(parsed, preserving_proto_field_name=preserve)
s_loaded = json.loads(serialized_json)
in_loaded = json.loads(input_json)
if s_loaded != in_loaded:
raise AssertionError("Expected JSON to be equal:", s_loaded, in_loaded)
open(out, "wb").write(serialized)
main()

0
betterproto/tests/bool.json → betterproto/tests/inputs/bool/bool.json
View File

0
betterproto/tests/bool.proto → betterproto/tests/inputs/bool/bool.proto
View File

6
betterproto/tests/inputs/bool/test_bool.py Normal file
View File

@@ -0,0 +1,6 @@
from betterproto.tests.output_betterproto.bool.bool import Test
def test_value():
message = Test()
assert not message.value, "Boolean is False by default"

0
betterproto/tests/bytes.json → betterproto/tests/inputs/bytes/bytes.json
View File

0
betterproto/tests/bytes.proto → betterproto/tests/inputs/bytes/bytes.proto
View File

0
betterproto/tests/casing.json → betterproto/tests/inputs/casing/casing.json
View File

5
betterproto/tests/casing.proto → betterproto/tests/inputs/casing/casing.proto
View File

@@ -9,4 +9,9 @@ enum my_enum {
message Test {
int32 camelCase = 1;
my_enum snake_case = 2;
snake_case_message snake_case_message = 3;
}
message snake_case_message {
}

22
betterproto/tests/inputs/casing/test_casing.py Normal file
View File

@@ -0,0 +1,22 @@
import betterproto.tests.output_betterproto.casing.casing as casing
from betterproto.tests.output_betterproto.casing.casing import Test
def test_message_attributes():
message = Test()
assert hasattr(
message, "snake_case_message"
), "snake_case field name is same in python"
assert hasattr(message, "camel_case"), "CamelCase field is snake_case in python"
def test_message_casing():
assert hasattr(
casing, "SnakeCaseMessage"
), "snake_case Message name is converted to CamelCase in python"
def test_enum_casing():
assert hasattr(
casing, "MyEnum"
), "snake_case Enum name is converted to CamelCase in python"

0
betterproto/tests/double-negative.json → betterproto/tests/inputs/double/double-negative.json
View File

0
betterproto/tests/double.json → betterproto/tests/inputs/double/double.json
View File

0
betterproto/tests/double.proto → betterproto/tests/inputs/double/double.proto
View File

0
betterproto/tests/enums.json → betterproto/tests/inputs/enums/enums.json
View File

0
betterproto/tests/enums.proto → betterproto/tests/inputs/enums/enums.proto
View File

0
betterproto/tests/googletypes-missing.json → betterproto/tests/inputs/googletypes/googletypes-missing.json
View File

0
betterproto/tests/googletypes.json → betterproto/tests/inputs/googletypes/googletypes.json
View File

0
betterproto/tests/googletypes.proto → betterproto/tests/inputs/googletypes/googletypes.proto
View File

18
betterproto/tests/inputs/googletypes_response/googletypes_response.proto Normal file
View File

@@ -0,0 +1,18 @@
syntax = "proto3";
import "google/protobuf/wrappers.proto";
service Test {
rpc GetInt32 (Input) returns (google.protobuf.Int32Value);
rpc GetAnotherInt32 (Input) returns (google.protobuf.Int32Value);
rpc GetInt64 (Input) returns (google.protobuf.Int64Value);
rpc GetOutput (Input) returns (Output);
}
message Input {
}
message Output {
google.protobuf.Int64Value int64 = 1;
}

20
betterproto/tests/inputs/googletypes_response/test_googletypes_response.py Normal file
View File

@@ -0,0 +1,20 @@
from typing import Optional
import pytest
from betterproto.tests.output_betterproto.googletypes_response.googletypes_response import (
TestStub
)
class TestStubChild(TestStub):
async def _unary_unary(self, route, request, response_type, **kwargs):
self.response_type = response_type
@pytest.mark.asyncio
async def test():
pytest.skip("todo")
stub = TestStubChild(None)
await stub.get_int64()
assert stub.response_type != Optional[int]

4
betterproto/tests/inputs/int32/int32.json Normal file
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@@ -0,0 +1,4 @@
{
"positive": 150,
"negative": -150
}

3
betterproto/tests/int32.proto → betterproto/tests/inputs/int32/int32.proto
View File

@@ -3,5 +3,6 @@ syntax = "proto3";
// Some documentation about the Test message.
message Test {
// Some documentation about the count.
int32 count = 1;
int32 positive = 1;
int32 negative = 2;
}

0
betterproto/tests/keywords.json → betterproto/tests/inputs/keywords/keywords.json
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0
betterproto/tests/keywords.proto → betterproto/tests/inputs/keywords/keywords.proto
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0
betterproto/tests/map.json → betterproto/tests/inputs/map/map.json
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0
betterproto/tests/map.proto → betterproto/tests/inputs/map/map.proto
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0
betterproto/tests/mapmessage.json → betterproto/tests/inputs/mapmessage/mapmessage.json
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0
betterproto/tests/mapmessage.proto → betterproto/tests/inputs/mapmessage/mapmessage.proto
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0
betterproto/tests/nested.json → betterproto/tests/inputs/nested/nested.json
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0
betterproto/tests/nested.proto → betterproto/tests/inputs/nested/nested.proto
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0
betterproto/tests/nestedtwice.json → betterproto/tests/inputs/nestedtwice/nestedtwice.json
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0
betterproto/tests/nestedtwice.proto → betterproto/tests/inputs/nestedtwice/nestedtwice.proto
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0
betterproto/tests/oneof-name.json → betterproto/tests/inputs/oneof/oneof-name.json
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0
betterproto/tests/oneof.json → betterproto/tests/inputs/oneof/oneof.json
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0
betterproto/tests/oneof.proto → betterproto/tests/inputs/oneof/oneof.proto
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0
betterproto/tests/ref.json → betterproto/tests/inputs/ref/ref.json
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0
betterproto/tests/ref.proto → betterproto/tests/inputs/ref/ref.proto
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0
betterproto/tests/repeatedmessage.proto → betterproto/tests/inputs/ref/repeatedmessage.proto
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0
betterproto/tests/repeated.json → betterproto/tests/inputs/repeated/repeated.json
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0
betterproto/tests/repeated.proto → betterproto/tests/inputs/repeated/repeated.proto
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0
betterproto/tests/repeatedmessage.json → betterproto/tests/inputs/repeatedmessage/repeatedmessage.json
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11
betterproto/tests/inputs/repeatedmessage/repeatedmessage.proto Normal file
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@@ -0,0 +1,11 @@
syntax = "proto3";
package repeatedmessage;
message Test {
repeated Sub greetings = 1;
}
message Sub {
string greeting = 1;
}

0
betterproto/tests/repeatedpacked.json → betterproto/tests/inputs/repeatedpacked/repeatedpacked.json
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0
betterproto/tests/repeatedpacked.proto → betterproto/tests/inputs/repeatedpacked/repeatedpacked.proto
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15
betterproto/tests/inputs/service/service.proto Normal file
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@@ -0,0 +1,15 @@
syntax = "proto3";
package service;
message DoThingRequest {
int32 iterations = 1;
}
message DoThingResponse {
int32 successfulIterations = 1;
}
service ExampleService {
rpc DoThing (DoThingRequest) returns (DoThingResponse);
}

6
betterproto/tests/inputs/signed/signed.json Normal file
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@@ -0,0 +1,6 @@
{
"signed32": 150,
"negative32": -150,
"string64": "150",
"negative64": "-150"
}

9
betterproto/tests/inputs/signed/signed.proto Normal file
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@@ -0,0 +1,9 @@
syntax = "proto3";
message Test {
// todo: rename fields after fixing bug where 'signed_32_positive' will map to 'signed_32Positive' as output json
sint32 signed32 = 1; // signed_32_positive
sint32 negative32 = 2; // signed_32_negative
sint64 string64 = 3; // signed_64_positive
sint64 negative64 = 4; // signed_64_negative
}

3
betterproto/tests/int32-negative.json
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@@ -1,3 +0,0 @@
{
"count": -150
}

3
betterproto/tests/int32.json
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@@ -1,3 +0,0 @@
{
"count": 150
}

4
betterproto/tests/signed-negative.json
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@@ -1,4 +0,0 @@
{
"signed_32": -150,
"signed_64": "-150"
}

4
betterproto/tests/signed.json
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@@ -1,4 +0,0 @@
{
"signed_32": 150,
"signed_64": "150"
}

6
betterproto/tests/signed.proto
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@@ -1,6 +0,0 @@
syntax = "proto3";
message Test {
sint32 signed_32 = 1;
sint64 signed_64 = 2;
}

2
betterproto/tests/test_features.py
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@@ -256,7 +256,7 @@ def test_to_dict_default_values():
some_double: float = betterproto.double_field(2)
some_message: TestChildMessage = betterproto.message_field(3)
test = TestParentMessage().from_dict({"someInt": 0, "someDouble": 1.2,})
test = TestParentMessage().from_dict({"someInt": 0, "someDouble": 1.2})
assert test.to_dict(include_default_values=True) == {
"someInt": 0,

127
betterproto/tests/test_inputs.py
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@@ -1,32 +1,115 @@
import importlib
import json
import os
import sys
import pytest
import betterproto
from betterproto.tests.util import get_directories, inputs_path
from .generate import get_base, get_files
# Force pure-python implementation instead of C++, otherwise imports
# break things because we can't properly reset the symbol database.
os.environ["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = "python"
inputs = get_files(".bin")
from google.protobuf import symbol_database
from google.protobuf.descriptor_pool import DescriptorPool
from google.protobuf.json_format import Parse
@pytest.mark.parametrize("filename", inputs)
def test_sample(filename: str) -> None:
module = get_base(filename).split("-")[0]
imported = importlib.import_module(f"betterproto.tests.{module}")
data_binary = open(filename, "rb").read()
data_dict = json.loads(open(filename.replace(".bin", ".json")).read())
t1 = imported.Test().parse(data_binary)
t2 = imported.Test().from_dict(data_dict)
print(t1)
print(t2)
excluded_test_cases = {"googletypes_response", "service"}
test_case_names = {*get_directories(inputs_path)} - excluded_test_cases
# Equality should automagically work for dataclasses!
assert t1 == t2
plugin_output_package = "betterproto.tests.output_betterproto"
reference_output_package = "betterproto.tests.output_reference"
# Generally this can't be relied on, but here we are aiming to match the
# existing Python implementation and aren't doing anything tricky.
# https://developers.google.com/protocol-buffers/docs/encoding#implications
assert bytes(t1) == data_binary
assert bytes(t2) == data_binary
assert t1.to_dict() == data_dict
assert t2.to_dict() == data_dict
@pytest.mark.parametrize("test_case_name", test_case_names)
def test_message_can_be_imported(test_case_name: str) -> None:
importlib.import_module(
f"{plugin_output_package}.{test_case_name}.{test_case_name}"
)
@pytest.mark.parametrize("test_case_name", test_case_names)
def test_message_can_instantiated(test_case_name: str) -> None:
plugin_module = importlib.import_module(
f"{plugin_output_package}.{test_case_name}.{test_case_name}"
)
plugin_module.Test()
@pytest.mark.parametrize("test_case_name", test_case_names)
def test_message_equality(test_case_name: str) -> None:
plugin_module = importlib.import_module(
f"{plugin_output_package}.{test_case_name}.{test_case_name}"
)
message1 = plugin_module.Test()
message2 = plugin_module.Test()
assert message1 == message2
@pytest.mark.parametrize("test_case_name", test_case_names)
def test_message_json(test_case_name: str) -> None:
plugin_module = importlib.import_module(
f"{plugin_output_package}.{test_case_name}.{test_case_name}"
)
message: betterproto.Message = plugin_module.Test()
reference_json_data = get_test_case_json_data(test_case_name)
message.from_json(reference_json_data)
message_json = message.to_json(0)
assert json.loads(reference_json_data) == json.loads(message_json)
@pytest.mark.parametrize("test_case_name", test_case_names)
def test_binary_compatibility(test_case_name: str) -> None:
# Reset the internal symbol database so we can import the `Test` message
# multiple times. Ugh.
sym = symbol_database.Default()
sym.pool = DescriptorPool()
reference_module_root = os.path.join(
*reference_output_package.split("."), test_case_name
)
sys.path.append(reference_module_root)
# import reference message
reference_module = importlib.import_module(
f"{reference_output_package}.{test_case_name}.{test_case_name}_pb2"
)
plugin_module = importlib.import_module(
f"{plugin_output_package}.{test_case_name}.{test_case_name}"
)
test_data = get_test_case_json_data(test_case_name)
reference_instance = Parse(test_data, reference_module.Test())
reference_binary_output = reference_instance.SerializeToString()
plugin_instance_from_json: betterproto.Message = plugin_module.Test().from_json(
test_data
)
plugin_instance_from_binary = plugin_module.Test.FromString(reference_binary_output)
# # Generally this can't be relied on, but here we are aiming to match the
# # existing Python implementation and aren't doing anything tricky.
# # https://developers.google.com/protocol-buffers/docs/encoding#implications
assert plugin_instance_from_json == plugin_instance_from_binary
assert plugin_instance_from_json.to_dict() == plugin_instance_from_binary.to_dict()
sys.path.remove(reference_module_root)
"""
helper methods
"""
def get_test_case_json_data(test_case_name):
test_data_path = os.path.join(inputs_path, test_case_name, f"{test_case_name}.json")
if not os.path.exists(test_data_path):
return None
with open(test_data_path) as fh:
return fh.read()

132
betterproto/tests/test_service_stub.py Normal file
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@@ -0,0 +1,132 @@
import betterproto
import grpclib
from grpclib.testing import ChannelFor
import pytest
from typing import Dict
from betterproto.tests.output_betterproto.service.service import (
DoThingResponse,
DoThingRequest,
ExampleServiceStub,
)
class ExampleService:
def __init__(self, test_hook=None):
# This lets us pass assertions to the servicer ;)
self.test_hook = test_hook
async def DoThing(
self, stream: "grpclib.server.Stream[DoThingRequest, DoThingResponse]"
):
request = await stream.recv_message()
print("self.test_hook", self.test_hook)
if self.test_hook is not None:
self.test_hook(stream)
for iteration in range(request.iterations):
pass
await stream.send_message(DoThingResponse(request.iterations))
def __mapping__(self) -> Dict[str, grpclib.const.Handler]:
return {
"/service.ExampleService/DoThing": grpclib.const.Handler(
self.DoThing,
grpclib.const.Cardinality.UNARY_UNARY,
DoThingRequest,
DoThingResponse,
)
}
async def _test_stub(stub, iterations=42, **kwargs):
response = await stub.do_thing(iterations=iterations)
assert response.successful_iterations == iterations
def _get_server_side_test(deadline, metadata):
def server_side_test(stream):
assert stream.deadline._timestamp == pytest.approx(
deadline._timestamp, 1
), "The provided deadline should be recieved serverside"
assert (
stream.metadata["authorization"] == metadata["authorization"]
), "The provided authorization metadata should be recieved serverside"
return server_side_test
@pytest.mark.asyncio
async def test_simple_service_call():
async with ChannelFor([ExampleService()]) as channel:
await _test_stub(ExampleServiceStub(channel))
@pytest.mark.asyncio
async def test_service_call_with_upfront_request_params():
# Setting deadline
deadline = grpclib.metadata.Deadline.from_timeout(22)
metadata = {"authorization": "12345"}
async with ChannelFor(
[ExampleService(test_hook=_get_server_side_test(deadline, metadata))]
) as channel:
await _test_stub(
ExampleServiceStub(channel, deadline=deadline, metadata=metadata)
)
# Setting timeout
timeout = 99
deadline = grpclib.metadata.Deadline.from_timeout(timeout)
metadata = {"authorization": "12345"}
async with ChannelFor(
[ExampleService(test_hook=_get_server_side_test(deadline, metadata))]
) as channel:
await _test_stub(
ExampleServiceStub(channel, timeout=timeout, metadata=metadata)
)
@pytest.mark.asyncio
async def test_service_call_lower_level_with_overrides():
ITERATIONS = 99
# Setting deadline
deadline = grpclib.metadata.Deadline.from_timeout(22)
metadata = {"authorization": "12345"}
kwarg_deadline = grpclib.metadata.Deadline.from_timeout(28)
kwarg_metadata = {"authorization": "12345"}
async with ChannelFor(
[ExampleService(test_hook=_get_server_side_test(deadline, metadata))]
) as channel:
stub = ExampleServiceStub(channel, deadline=deadline, metadata=metadata)
response = await stub._unary_unary(
"/service.ExampleService/DoThing",
DoThingRequest(ITERATIONS),
DoThingResponse,
deadline=kwarg_deadline,
metadata=kwarg_metadata,
)
assert response.successful_iterations == ITERATIONS
# Setting timeout
timeout = 99
deadline = grpclib.metadata.Deadline.from_timeout(timeout)
metadata = {"authorization": "12345"}
kwarg_timeout = 9000
kwarg_deadline = grpclib.metadata.Deadline.from_timeout(kwarg_timeout)
kwarg_metadata = {"authorization": "09876"}
async with ChannelFor(
[
ExampleService(
test_hook=_get_server_side_test(kwarg_deadline, kwarg_metadata)
)
]
) as channel:
stub = ExampleServiceStub(channel, deadline=deadline, metadata=metadata)
response = await stub._unary_unary(
"/service.ExampleService/DoThing",
DoThingRequest(ITERATIONS),
DoThingResponse,
timeout=kwarg_timeout,
metadata=kwarg_metadata,
)
assert response.successful_iterations == ITERATIONS

50
betterproto/tests/util.py Normal file
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@@ -0,0 +1,50 @@
import os
import subprocess
from typing import Generator
os.environ["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = "python"
root_path = os.path.dirname(os.path.realpath(__file__))
inputs_path = os.path.join(root_path, "inputs")
output_path_reference = os.path.join(root_path, "output_reference")
output_path_betterproto = os.path.join(root_path, "output_betterproto")
if os.name == "nt":
plugin_path = os.path.join(root_path, "..", "plugin.bat")
else:
plugin_path = os.path.join(root_path, "..", "plugin.py")
def get_files(path, end: str) -> Generator[str, None, None]:
for r, dirs, files in os.walk(path):
for filename in [f for f in files if f.endswith(end)]:
yield os.path.join(r, filename)
def get_directories(path):
for root, directories, files in os.walk(path):
for directory in directories:
yield directory
def relative(file: str, path: str):
return os.path.join(os.path.dirname(file), path)
def read_relative(file: str, path: str):
with open(relative(file, path)) as fh:
return fh.read()
def protoc_plugin(path: str, output_dir: str):
subprocess.run(
f"protoc --plugin=protoc-gen-custom={plugin_path} --custom_out={output_dir} --proto_path={path} {path}/*.proto",
shell=True,
)
def protoc_reference(path: str, output_dir: str):
subprocess.run(
f"protoc --python_out={output_dir} --proto_path={path} {path}/*.proto",
shell=True,
)

5
pytest.ini Normal file
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@@ -0,0 +1,5 @@
[pytest]
python_files = test_*.py
python_classes =
norecursedirs = **/output_*
addopts = -p no:warnings