add a test that's failing for grpcio

.ci_support/linux_64_.yaml

@@ -17,9 +17,9 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 libabseil:
-- '20230125'
+- '20230802'
 libprotobuf:
-- 4.23.3
+- 4.23.4
 openssl:
 - '3'
 pin_run_as_build:

.ci_support/linux_aarch64_.yaml

@@ -21,9 +21,9 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 libabseil:
-- '20230125'
+- '20230802'
 libprotobuf:
-- 4.23.3
+- 4.23.4
 openssl:
 - '3'
 pin_run_as_build:

.ci_support/linux_ppc64le_.yaml

@@ -17,9 +17,9 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 libabseil:
-- '20230125'
+- '20230802'
 libprotobuf:
-- 4.23.3
+- 4.23.4
 openssl:
 - '3'
 pin_run_as_build:

.ci_support/osx_64_.yaml

@@ -17,9 +17,9 @@ cxx_compiler:
 cxx_compiler_version:
 - '15'
 libabseil:
-- '20230125'
+- '20230802'
 libprotobuf:
-- 4.23.3
+- 4.23.4
 macos_machine:
 - x86_64-apple-darwin13.4.0
 openssl:

.ci_support/osx_arm64_.yaml

@@ -15,9 +15,9 @@ cxx_compiler:
 cxx_compiler_version:
 - '15'
 libabseil:
-- '20230125'
+- '20230802'
 libprotobuf:
-- 4.23.3
+- 4.23.4
 macos_machine:
 - arm64-apple-darwin20.0.0
 openssl:

.ci_support/win_64_.yaml

@@ -9,9 +9,9 @@ channel_targets:
 cxx_compiler:
 - vs2019
 libabseil:
-- '20230125'
+- '20230802'
 libprotobuf:
-- 4.23.3
+- 4.23.4
 openssl:
 - '3'
 pin_run_as_build:

recipe/conda_build_config.yaml

@@ -5,5 +5,7 @@ MACOSX_DEPLOYMENT_TARGET:  # [osx and x86_64]
 MACOSX_SDK_VERSION:        # [osx and x86_64]
   - "10.13"                # [osx and x86_64]
 
+libabseil:
+- 20230802
 libprotobuf:
-  - 4.23.3
+  - 4.23.4

recipe/meta.yaml

@@ -41,7 +41,7 @@ source:
     - patches/0013-don-t-use-find_dependency-for-protobuf.patch
 
 build:
-  number: 1
+  number: 2
 
 outputs:
   - name: libgrpc
@@ -87,7 +87,7 @@ outputs:
         - ninja
         - pkg-config
         # only required for pkg-config test (which wants to find zlib.pc)
-        - zlib  # [win]
+        - zlib
       files:
         - cmake_test/
         - hello.proto
@@ -155,10 +155,16 @@ outputs:
         - {{ pin_subpackage('libgrpc', exact=True) }}
         - __osx >={{ MACOSX_DEPLOYMENT_TARGET|default("10.9") }}  # [osx and x86_64]
     test:
+      source_files:
+        - examples/
       files:
         - grpcio_distribtest.py
+        - test_grpcio_helloworld.py
       requires:
         - pip
+        # - grpcio-tools
+        - protobuf 4.23.4
+        - openssl 3.1.2
       imports:
         - grpc
         - grpc._cython
@@ -173,6 +179,14 @@ outputs:
       commands:
         - python -m pip check
         - python grpcio_distribtest.py
+        # test actual RPC pattern (client & server); other tests did not catch
+        # https://github.com/conda-forge/grpc-cpp-feedstock/issues/281
+        - cd examples/python/helloworld
+        # generate helloworld, see https://grpc.io/docs/languages/python/quickstart/#generate-grpc-code
+        # - python -m grpc_tools.protoc -I../../protos --python_out=. --pyi_out=. --grpc_python_out=. ../../protos/helloworld.proto
+        # copy test defined in feedstock to where it needs to run
+        - cp ../../../test_grpcio_helloworld.py .
+        - python test_grpcio_helloworld.py
 
 about:
   home: https://grpc.io/

recipe/test_grpcio_helloworld.py

@@ -0,0 +1,31 @@
+import os
+import signal
+import subprocess
+import sys
+import time
+
+# this test assumes it is being run in examples/python/helloworld,
+# after having generated the helloworld_pb2{,_grpc} modules (see meta.yaml)
+import grpc
+import helloworld_pb2
+import helloworld_pb2_grpc
+
+
+# start server (and wait a little)
+print('Starting server...')
+pid = subprocess.Popen([sys.executable, "greeter_server.py"]).pid
+time.sleep(5)
+
+# run this a couple times because it happens randomly, see
+# https://github.com/conda-forge/grpc-cpp-feedstock/issues/281
+print('Running client...')
+for _ in range(1000):
+    with grpc.insecure_channel('localhost:50051') as channel:
+        stub = helloworld_pb2_grpc.GreeterStub(channel)
+        response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'))
+
+# tear down server
+print('Terminating server...')
+os.kill(pid, signal.SIGTERM)
+
+print('Success!')