From ce5c0c10d49311973010523106dc4fd1eb361926 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D1=80=D1=82=D0=B5=D0=BC=D0=B8=D0=B9?=
 <finziyr@yandex.ru>
Date: Sat, 19 Jun 2021 12:17:42 +0300
Subject: [PATCH] add common.sh and test_common.sh

---
 1              |  7 +++++++
 common.sh      | 28 ++++++++++++++++++++++++----
 test_common.sh | 21 +++++++++++++++++++++
 3 files changed, 52 insertions(+), 4 deletions(-)
 create mode 100644 1
 create mode 100644 test_common.sh

diff --git a/1 b/1
new file mode 100644
index 0000000..ceafc59
--- /dev/null
+++ b/1
@@ -0,0 +1,7 @@
+#!/bin/bash
+lol() {
+	echo "$@"
+	echo -----
+	echo "$*"
+}
+lol $(echo -e "1\n2\n3")
diff --git a/common.sh b/common.sh
index 11bbba4..092b1c9 100644
--- a/common.sh
+++ b/common.sh
@@ -8,13 +8,33 @@ INTERNAL_DIR="${DESTDIR}var/lib/linux-infosec-setupper"
 AUDIT_RULES_FILE=${DESTDIR}etc/audit/rules.d/90-linux-infosec-setupper.rules
 AUDIT_DAEMON_CONFIG=${DESTDIR}etc/audit/auditd.conf
 
-_check_argument() {
-	case "$1" in
-	
+
+error() {
+	printf "$@" 1>&2
+	echo '' 1>&2
+}
+_check_argument_is_number() {
 	if [[ "$1" == [0-9]* ]]; then
 		return 0
 	else
-		printf $"Argument to %s must be a number" "$2"
+		error $"Argument to %s must be a number" "$2"
 		return 1
 	fi
 }
+_check_argument_value() {
+	if [[ "$1" < "$2" ]]; then
+		error $"Argument to %s must be greater than %s" "$2" "$3"
+		return 1
+	else
+		return 0
+	fi
+}
+_check_argument_is_string() {
+	if [[ "$1" == *[[:blank:]]* ]]; then
+		error $"Argument to %s must be a string without spaces"  "$2"
+		return 1
+	else
+		return 0
+	fi
+}
+
diff --git a/test_common.sh b/test_common.sh
new file mode 100644
index 0000000..ccbe2bf
--- /dev/null
+++ b/test_common.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+#set -x
+
+TESTING=1
+
+. ./common.sh
+
+_check_argument_is_number 123 "this" || failed="$((++failed))"
+_check_argument_is_number NotNumber "this" && failed="$((++failed))"
+
+_check_argument_value 8 7 "this" || failed="$((++failed))"
+_check_argument_value 1 7 "this" && failed="$((++failed))"
+
+_check_argument_is_string "Hello" "this" || failed="$((++failed))"
+_check_argument_is_string "Hello world" "this" && failed="$((++failed))"
+
+
+failed="${failed:-0}"
+echo "$failed"
+exit "$failed"