test: Add bats test for import and export

Author: eval-exec

ckb-bin/src/tests/bats_tests/ckb_run_replay.bats

@@ -8,7 +8,7 @@ _ckb_run() {
   sleep 5
   kill ${PID}
 
-  while kill -0 ${PID}; do
+  while kill -0 ${PID} &>/dev/null; do
       echo "waiting for ckb to exit"
       sleep 1
   done

ckb-bin/src/tests/bats_tests/export_import.bats

@@ -22,7 +22,7 @@ function ckb_import { #@test
   [ "$status" -eq 0 ]
 }
 
-function _export_range() { #@test
+function export_range() { #@test
     bash -c "ckb init -C ${TMP_DIR}/import_range"
     bash -c "ckb export -C ${TMP_DIR}/import -t ${TMP_DIR}/import_range --from 1 --to 200"
     bash -c "ckb export -C ${TMP_DIR}/import -t ${TMP_DIR}/import_range --from 200 --to 300"
@@ -34,6 +34,18 @@ function _export_range() { #@test
     bash -c "ckb import -C ${TMP_DIR}/import_range ${TMP_DIR}/import_range/ckb-400-500.jsonl --skip-all-verify"
 }
 
+function export_to_stdout() { #@test
+    bash -c "ckb init -C ${TMP_DIR}/export_to_stdout"
+    bash -c "ckb export -C ${TMP_DIR}/import --from 1 --to 200 -t - >${TMP_DIR}/export_to_stdout/ckb.jsonl"
+    wc -l ${TMP_DIR}/export_to_stdout/ckb.jsonl
+    stat ${TMP_DIR}/export_to_stdout/ckb.jsonl
+}
+
+function import_from_stdin() { #@test
+    bash -c "ckb init -C ${TMP_DIR}/import_from_stdin"
+    bash -c "cat ${TMP_DIR}/export_to_stdout/ckb.jsonl | ckb import -C ${TMP_DIR}/import_from_stdin - "
+}
+
 setup_file() {
   rm -f ${TMP_DIR}/ckb*.jsonl
 }

ckb-bin/src/tests/bats_tests/graceful_shutdown.bats

@@ -8,7 +8,7 @@ _ckb_graceful_shutdown() {
   sleep 10
   kill ${PID}
 
-  while kill -0 ${PID}; do
+  while kill -0 ${PID} &>/dev/null; do
       sleep 1
   done
 

ckb-bin/src/tests/bats_tests/later_bats_job/change_epoch.bats

@@ -50,7 +50,7 @@ function tip_header_number() {
 
 function block_kill() {
   kill $1
-  while kill -0 $1; do
+  while kill -0 $1 &>/dev/null; do
       echo "waiting for $1 to exit"
       sleep 1
   done

ckb-bin/src/tests/bats_tests/load_notify_config.bats

@@ -18,7 +18,7 @@ _run() {
   sleep 3
   kill ${PID}
 
-  while kill -0 ${PID}; do
+  while kill -0 ${PID} &> /dev/null; do
       sleep 1
   done