Allow selection of TLS library in Interop tests (#129)

tonic-interop/test.sh

@@ -3,18 +3,28 @@
 set -eu
 set -o pipefail
 
+set -x
+
 echo "Running for OS: ${OSTYPE}"
 
 case "$OSTYPE" in
   darwin*)  OS="darwin"; EXT="" ;;
   linux*)   OS="linux"; EXT="" ;;
-  msys*) OS="windows"; EXT=".exe" ;;
+  msys*)    OS="windows"; EXT=".exe" ;;
   *)        exit 2 ;;
 esac
 
-cargo build -p tonic-interop --bins
-
 ARG="${1:-""}"
+TLS_PROVIDER="${2:-""}"
+
+if [[ -n "${TLS_PROVIDER}" ]] ; then
+  FEATURES="--features ${TLS_PROVIDER}"
+else
+  FEATURES=
+fi
+
+(cd tonic-interop && cargo build --bins ${FEATURES})
+
 SERVER="tonic-interop/bin/server_${OS}_amd64${EXT}"
 
 # TLS_CA="tonic-interop/data/ca.pem"
@@ -22,7 +32,7 @@ TLS_CRT="tonic-interop/data/server1.pem"
 TLS_KEY="tonic-interop/data/server1.key"
 
 # run the test server
-./"${SERVER}" $ARG --tls_cert_file $TLS_CRT --tls_key_file $TLS_KEY &
+./"${SERVER}" ${ARG} --tls_cert_file $TLS_CRT --tls_key_file $TLS_KEY &
 SERVER_PID=$!
 echo ":; started grpc-go test server."
 
@@ -35,12 +45,12 @@ sleep 1
 ./target/debug/client \
  --test_case=empty_unary,large_unary,client_streaming,server_streaming,ping_pong,\
 empty_stream,status_code_and_message,special_status_message,unimplemented_method,\
-unimplemented_service,custom_metadata $ARG
+unimplemented_service,custom_metadata ${ARG}
 
 echo ":; killing test server"; kill ${SERVER_PID};
 
 # run the test server
-./target/debug/server $ARG &
+./target/debug/server ${ARG} &
 SERVER_PID=$!
 echo ":; started tonic test server."
 
@@ -53,4 +63,4 @@ sleep 1
 ./target/debug/client \
 --test_case=empty_unary,large_unary,client_streaming,server_streaming,ping_pong,\
 empty_stream,status_code_and_message,special_status_message,unimplemented_method,\
-unimplemented_service,custom_metadata $ARG
+unimplemented_service,custom_metadata ${ARG}