1#!/bin/bash 2# Copyright 2023 gRPC authors. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# Run this script via bazel test 17# It expects that protoc and grpc_csharp_plugin have already been built. 18 19# Simple test - compare generated output to expected files 20 21set -x 22 23TESTNAME=simple 24 25# protoc and grpc_csharp_plugin binaries are supplied as "data" in bazel 26PROTOC=./external/com_google_protobuf/protoc 27PLUGIN=./src/compiler/grpc_csharp_plugin 28 29# where to find the test data 30DATA_DIR=./test/csharp/codegen/${TESTNAME} 31 32# output directory for the generated files 33PROTO_OUT=./proto_out 34rm -rf ${PROTO_OUT} 35mkdir -p ${PROTO_OUT} 36 37# run protoc and the plugin 38$PROTOC \ 39 --plugin=protoc-gen-grpc=$PLUGIN \ 40 --csharp_out=${PROTO_OUT} \ 41 --grpc_out=${PROTO_OUT} \ 42 -I ${DATA_DIR}/proto \ 43 ${DATA_DIR}/proto/helloworld.proto 44 45# log the files generated 46ls -l ./proto_out 47 48# Verify the output files exist 49# First file is generated by protoc. 50# Check it exists but don't check the contents. 51[ -e ${PROTO_OUT}/Helloworld.cs ] || { 52 echo >&2 "missing generated output, expecting Helloworld.cs" 53 exit 1 54} 55 56# Second file is generated by the plugin. 57# Check it exists and check the contents. 58[ -e ${PROTO_OUT}/HelloworldGrpc.cs ] || { 59 echo >&2 "missing generated output, expecting HelloworldGrpc" 60 exit 1 61} 62 63DIFFCMD="diff --strip-trailing-cr" 64 65# Diff to check the contents of the generated file 66$DIFFCMD ${DATA_DIR}/expected/HelloworldGrpc.cs ${PROTO_OUT}/HelloworldGrpc.cs 67# Silence shellcheck as it doesn't allow testing of $? and there isn't an easy 68# way around it with a command with several arguments. 69# shellcheck disable=SC2181 70if [ $? -ne 0 ] 71then 72 echo >&2 "Generated code does not match for HelloworldGrpc.cs" 73 exit 1 74fi 75 76# Run one extra command to clear $? before exiting the script to prevent 77# failing even when tests pass. 78echo "Plugin test: ${TESTNAME}: passed." 79