Tests: src.ctf.lttng-live: split metadata sections

[babeltrace.git] / tests / plugins / src.ctf.lttng-live / test_live

diff --git a/tests/plugins/src.ctf.lttng-live/test_live b/tests/plugins/src.ctf.lttng-live/test_live
index deee081a2f02fdfb5919f6feb476f52792bb13a7..50cf3dfa7d9789eea620c1cb0e9311d8b5dfc712 100755 (executable)
--- a/tests/plugins/src.ctf.lttng-live/test_live
+++ b/tests/plugins/src.ctf.lttng-live/test_live
@@ -367,7 +367,33 @@ test_inactivity_discarded_packet() {
        rm -f "$expected_stderr"
 }
 
        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
 
 test_list_sessions
 test_base


@@ -375,3 +401,4 @@ test_multi_domains
 test_rate_limited
 test_compare_to_ctf_fs
 test_inactivity_discarded_packet
 test_rate_limited
 test_compare_to_ctf_fs
 test_inactivity_discarded_packet

+test_split_metadata