From: Sami Kerola <kerolasa@iki.fi>
Date: Sun, 22 Jun 2014 09:20:54 +0000 (+0100)
Subject: tests: add function to change directory reliable way
X-Git-Tag: v2.26-rc1~600^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=723c70434bd307522530e203e70dd113842cb474;p=thirdparty%2Futil-linux.git

tests: add function to change directory reliable way

Without arguments bash cd will move to $HOME. Ensure also that when
directory is assumed to be changed the current directory and intented
destination are the same location.

Reference: http://www.spinics.net/lists/util-linux-ng/msg09509.html
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/tests/functions.sh b/tests/functions.sh
index 2a50de721a..6998343e1f 100644
--- a/tests/functions.sh
+++ b/tests/functions.sh
@@ -31,6 +31,20 @@ function ts_canonicalize {
 	fi
 }
 
+function ts_cd {
+	if [ $# -eq 0 ]; then
+		ts_failed "ul_cd: not enough arguments"
+	fi
+	DEST=$(readlink -f "$1" 2>/dev/null)
+	if [ "x$DEST" = "x" ] || [ ! -d "$DEST" ]; then
+		ts_failed "ul_cd: $1: no such directory"
+	fi
+	cd "$DEST" 2>/dev/null || ts_failed "ul_cd: $1: cannot change directory"
+	if [ "$PWD" != "$DEST" ]; then
+		ts_failed "ul_cd: $PWD is not $DEST"
+	fi
+}
+
 function ts_report {
 	if [ "$TS_PARALLEL" == "yes" ]; then
 		echo "$TS_TITLE $1"