From 0888d76feef2d4afe9ada74239d9dca26dbe1b5f Mon Sep 17 00:00:00 2001
From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Mon, 11 Feb 2019 11:45:27 -0500
Subject: [PATCH] Test: mi for clear command

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
---
 tests/regression/tools/mi/test_mi | 56 +++++++++++++++++++++++++++++--
 tests/utils/utils.sh              |  6 ++++
 2 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/tests/regression/tools/mi/test_mi b/tests/regression/tools/mi/test_mi
index f6bc9b36f..e92e5acdc 100755
--- a/tests/regression/tools/mi/test_mi
+++ b/tests/regression/tools/mi/test_mi
@@ -57,7 +57,7 @@ DEVNULL=/dev/null 2>&1
 
 DIR=$(readlink -f $TESTDIR)
 
-NUM_TESTS=228
+NUM_TESTS=244
 
 source $TESTDIR/utils/utils.sh
 
@@ -877,7 +877,58 @@ function test_track_untrack ()
 	destroy_lttng_sessions
 }
 
-start_lttng_sessiond $FOO_LOAD_DIR
+
+function test_clear_session ()
+{
+	# Since the session are not started there is no real clear done.
+	# We are testing the MI output only here.
+	local session_name=(
+			"testSession1"
+			"testSession2"
+			"testSession3")
+
+	OUTPUT_FILE="clear_session.xml"
+
+	#Test build up
+	OUTPUT_DEST=$DEVNULL
+	for (( i = 0; i < 3; i++ )); do
+		create_lttng_session_ok ${session_name[$i]} $OUTPUT_DIR
+	done
+
+	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
+	lttng_clear_session_ok  ${session_name[0]}
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "MI test: clear session ${session_name[0]} xsd validation"
+
+	#Verify that we cleared the good session
+	extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result
+	test "$result" = "${session_name[0]}"
+	ok $? "Mi test: cleared session: $result expected: ${session_name[0]}"
+
+	#Destroy all and count:should be 3
+	lttng_clear_all
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "MI test: clear all session xsd validation"
+
+	#Verify that we cleared 3 sessions
+	extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "3"
+	ok $? "Mi test: $num / 3 sessions discovered"
+
+	destroy_lttng_sessions
+
+	#Verify that if no session is present command fail and mi report it.
+	lttng_clear_session_fail ${session_name[0]}
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "MI test: failing clear session ${session_name[0]} xsd validation"
+	extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result
+	test "$result" = "false"
+	ok $? "Mi test: clear command on ${session_name[0]} failed as expected"
+
+}
+
+start_lttng_sessiond $SESSIOND_LOAD_DIR
 TESTS=(
 	test_version
 	test_create_session
@@ -893,6 +944,7 @@ TESTS=(
 	test_snapshot
 	test_track_untrack
 	test_list_session_long_path
+	test_clear_session
 )
 
 
diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 8d54a4ecf..affed6166 100644
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -1616,3 +1616,9 @@ function lttng_clear_session_fail ()
 {
 	lttng_clear_session 1 $@
 }
+
+function lttng_clear_all ()
+{
+	$TESTDIR/../src/bin/lttng/$LTTNG_BIN clear --all 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+	ok $? "Clear all lttng sessions"
+}
-- 
2.34.1