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authorRyota Mibu <r-mibu@cq.jp.nec.com>2016-12-08 20:30:07 +0000
committerGerrit Code Review <gerrit@opnfv.org>2016-12-08 20:30:07 +0000
commite1df30c97affb902f651b31910e2aff2e1874bc5 (patch)
tree0df46c51fcf14803aabb5bf57244e86f32f34a48 /tests/functions-common
parent75f48053575ebb04b7516016421c41c2a02f63cb (diff)
parentdffe8ff7c269af0d8d11593d8aed95f5a9039114 (diff)
Merge "Introducing common functions"
Diffstat (limited to 'tests/functions-common')
-rw-r--r--tests/functions-common72
1 files changed, 72 insertions, 0 deletions
diff --git a/tests/functions-common b/tests/functions-common
new file mode 100644
index 00000000..db2565a3
--- /dev/null
+++ b/tests/functions-common
@@ -0,0 +1,72 @@
+#!/bin/bash
+
+# Test if the named environment variable is set and not zero length
+# is_set env-var
+function is_set {
+ local var=\$"$1"
+ eval "[ -n \"$var\" ]"
+}
+
+# Prints backtrace info
+# filename:lineno:function
+# backtrace level
+function backtrace {
+ local level=$1
+ local deep
+ deep=$((${#BASH_SOURCE[@]} - 1))
+ echo "[Call Trace]"
+ while [ $level -le $deep ]; do
+ echo "${BASH_SOURCE[$deep]}:${BASH_LINENO[$deep-1]}:${FUNCNAME[$deep-1]}"
+ deep=$((deep - 1))
+ done
+}
+
+# Prints line number and "message" in error format
+# err $LINENO "message"
+function err {
+ local exitcode=$?
+ local xtrace
+ xtrace=$(set +o | grep xtrace)
+ set +o xtrace
+ local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2"
+ echo $msg 1>&2;
+ if [[ -n ${LOGDIR} ]]; then
+ echo $msg >> "${LOGDIR}/error.log"
+ fi
+ $xtrace
+ return $exitcode
+}
+
+# Prints line number and "message" then exits
+# die $LINENO "message"
+function die {
+ local exitcode=$?
+ set +o xtrace
+ local line=$1; shift
+ if [ $exitcode == 0 ]; then
+ exitcode=1
+ fi
+ backtrace 2
+ err $line "$*"
+ # Give buffers a second to flush
+ sleep 1
+ exit $exitcode
+}
+
+# Checks an environment variable is not set or has length 0 OR if the
+# exit code is non-zero and prints "message" and exits
+# NOTE: env-var is the variable name without a '$'
+# die_if_not_set $LINENO env-var "message"
+function die_if_not_set {
+ local exitcode=$?
+ local xtrace
+ xtrace=$(set +o | grep xtrace)
+ set +o xtrace
+ local line=$1; shift
+ local evar=$1; shift
+ if ! is_set $evar || [ $exitcode != 0 ]; then
+ die $line "$*"
+ fi
+ $xtrace
+}
+