--- /dev/null
+function set_chunk_pattern ()
+{
+ # Need to call this function after $today has been set.
+
+ # YYYYMMDD-HHMMSS-YYYYMMDD-HHMMSS
+ export chunk_pattern="${today}-[0-9][0-9][0-9][0-9][0-9][0-9]-${today}-[0-9][0-9][0-9][0-9][0-9][0-9]"
+}
+
+function validate_test_chunks ()
+{
+ local_path=$1
+ today=$2
+ app_path=$3
+ domain=$4
+ per_pid=$5
+
+ set_chunk_pattern
+
+ # Check if the 3 chunk folders exist and they contain a ${app_path}/metadata file.
+ ls $local_path/${chunk_pattern}-1/${app_path}/metadata >/dev/null
+ ok $? "Chunk 1 exists"
+ ls $local_path/${chunk_pattern}-2/${app_path}/metadata >/dev/null
+ ok $? "Chunk 2 exists"
+ ls $local_path/${chunk_pattern}-3/${domain} >/dev/null
+ ok $? "Chunk 3 exists"
+
+ # Make sure we don't have anything else in the first 2 chunk directories
+ # besides the kernel folder.
+ nr_stale=$(\ls $local_path/${chunk_pattern}-1 | grep -v $domain | wc -l)
+ ok $nr_stale "No stale folders in chunk 1 directory"
+ nr_stale=$(\ls $local_path/${chunk_pattern}-2 | grep -v $domain | wc -l)
+ ok $nr_stale "No stale folders in chunk 2 directory"
+
+ # We expect a session of 30 events
+ validate_trace_count $EVENT_NAME $local_path 30
+
+ # Chunk 1: 10 events
+ validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-1 10
+ if [ $? -eq 0 ]; then
+ # Only delete if successful
+ rm -rf $local_path/${chunk_pattern}-1
+ fi
+
+ # Chunk 2: 20 events
+ validate_trace_count $EVENT_NAME $local_path/${chunk_pattern}-2 20
+ if [ $? -eq 0 ]; then
+ # Only delete if successful
+ rm -rf $local_path/${chunk_pattern}-2
+ fi
+
+ # Chunk 3: 0 event
+ # Do not check in per-pid, because the folder is really empty, no metadata
+ # or stream files.
+ if test $per_pid = 1; then
+ rm -rf $local_path/${chunk_pattern}-3
+ else
+ validate_trace_empty $local_path/${chunk_pattern}-3
+ if [ $? -eq 0 ]; then
+ # Only delete if successful
+ rm -rf $local_path/${chunk_pattern}-3
+ fi
+ fi
+
+ # The session folder after all chunks have been removed is empty
+ test -z "$(\ls -A $local_path)"
+ empty=$?
+ ok $empty "Trace folder is now empty"
+ if [ $empty -eq 0 ]; then
+ # Only delete if successful
+ rm -rf $local_path/
+ else
+ find $local_path
+ fi
+}
+
+function rotate_timer_test ()
+{
+ local_path=$1
+ per_pid=$2
+
+ today=$(date +%Y%m%d)
+ nr=0
+ nr_iter=0
+ expected_chunks=3
+
+ # Wait for $expected_chunks to be generated, timeout after
+ # 3 * $expected_chunks * 0.5s.
+ # On a laptop with an empty session, a local rotation takes about 200ms,
+ # and a remote rotation takes about 600ms.
+ # We currently set the timeout to 6 seconds for 3 rotations, if we get
+ # errors, we can bump this value.
+
+ until [ $nr -ge $expected_chunks ] || [ $nr_iter -ge $(($expected_chunks * 2 )) ]; do
+ nr=$(ls $local_path | wc -l)
+ nr_iter=$(($nr_iter+1))
+ sleep 1
+ done
+ test $nr -ge $expected_chunks
+ ok $? "Generated $nr chunks in $(($nr_iter))s"
+ stop_lttng_tracing_ok $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
+
+ now=$(date +%Y%m%d)
+ test $today = $now
+ ok $? "Date did not change during the test"
+
+ # Make sure the 10 first chunks are valid empty traces
+ i=1
+ set_chunk_pattern
+
+ # In a per-pid setup, only the first chunk is a valid trace, the other
+ # chunks should be empty folders
+ if test $per_pid = 1; then
+ validate_trace_empty $local_path/${chunk_pattern}-1
+ nr=$(ls $local_path/${chunk_pattern}-2/ust | wc -l)
+ test $nr = 0
+ ok $? "Chunk 2 is empty"
+ nr=$(ls $local_path/${chunk_pattern}-3/ust | wc -l)
+ test $nr = 0
+ ok $? "Chunk 3 is empty"
+ else
+ while [ $i -le $expected_chunks ]; do
+ validate_trace_empty $local_path/${chunk_pattern}-$i
+ i=$(($i+1))
+ done
+fi
+
+ rm -rf $local_path
+}