X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=tests%2Fplugins%2Fsrc.ctf.lttng-live%2Ftest_live;h=f694d799e9a3697c0c4d2e8550d410e1805fc0c1;hb=f2958352b96ea9e50f6fbd5647b99d0be97188ec;hp=deee081a2f02fdfb5919f6feb476f52792bb13a7;hpb=a0baab4a979e830f7dc4698c20b71e84dea6ff9d;p=babeltrace.git

diff --git a/tests/plugins/src.ctf.lttng-live/test_live b/tests/plugins/src.ctf.lttng-live/test_live
index deee081a..f694d799 100755
--- a/tests/plugins/src.ctf.lttng-live/test_live
+++ b/tests/plugins/src.ctf.lttng-live/test_live
@@ -5,15 +5,16 @@
 # Copyright (C) 2019 Philippe Proulx <pproulx@efficios.com>
 #
 
-# This test validates that a `src.ctf.fs` component successfully reads
-# specific CTF traces and creates the expected messages.
+# This test validates that a `src.ctf.lttng-live` component successfully does
+# various tasks that a `src.ctf.lttng-live` component is expected to do, like
+# listing tracing sessions and receiving live traces / producing the expected
+# messages out of it.
 #
-# Such CTF traces to open either exist (in `tests/ctf-traces/`)
-# or are generated by this test using local trace generators.
+# A mock LTTng live server is used to feed data to the component.
 
 SH_TAP=1
 
-if [ "x${BT_TESTS_SRCDIR:-}" != "x" ]; then
+if [ -n "${BT_TESTS_SRCDIR:-}" ]; then
 	UTILSSH="$BT_TESTS_SRCDIR/utils/utils.sh"
 else
 	UTILSSH="$(dirname "$0")/../../utils/utils.sh"
@@ -54,7 +55,8 @@ lttng_live_server() {
 	local server_script="$test_data_dir/lttng_live_server.py"
 
 	# start server
-	echo "$server_args" | xargs "$BT_TESTS_PYTHON_BIN" "$server_script" \
+	diag "$BT_TESTS_PYTHON_BIN $server_script --port-file $port_file --trace-path-prefix $trace_dir_native $server_args"
+	echo "$server_args" | run_python xargs "$BT_TESTS_PYTHON_BIN" "$server_script" \
 		--port-file "$port_file" \
 		--trace-path-prefix "$trace_dir_native" &
 
@@ -367,7 +369,33 @@ test_inactivity_discarded_packet() {
 	rm -f "$expected_stderr"
 }
 
-plan_tests 14
+test_split_metadata() {
+	# Consume a metadata stream sent in two parts. This testcase tests the
+	# behaviour of Babeltrace when the tracing session was cleared (lttng
+	# clear) but the metadata is not yet available to the relay. In such
+	# cases, when asked for metadata, the relay will return the
+	# `LTTNG_VIEWER_METADATA_OK` status and a data length of 0. The viewer
+	# need to consider such case as a request to retry fetching metadata.
+	#
+	# This testcase emulates such behaviour by adding empty metadata
+	# packets.
+
+	local test_text="CLI attach and fetch from single-domain session - Receive metadata in two sections separated by a empty section"
+	local cli_args_template="-i lttng-live net://localhost:@PORT@/host/hostname/split_metadata -c sink.text.details"
+	local sessions_file="$test_data_dir/split_metadata.json"
+	local server_args="--sessions-filename '$sessions_file'"
+	local expected_stdout="${test_data_dir}/split_metadata.expect"
+	local expected_stderr
+
+	# Empty file for stderr expected
+	expected_stderr="$(mktemp -t test_live_split_metadata_stderr_expected.XXXXXX)"
+
+	run_test "$test_text" "$cli_args_template" "$server_args" "$expected_stdout" "$expected_stderr"
+
+	rm -f "$expected_stderr"
+}
+
+plan_tests 16
 
 test_list_sessions
 test_base
@@ -375,3 +403,4 @@ test_multi_domains
 test_rate_limited
 test_compare_to_ctf_fs
 test_inactivity_discarded_packet
+test_split_metadata