Improved portability of tests

Removed assumptions about umask and locale. Fixed hostname
tests to work even when the host has no DNS domain set.

Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

testsuite/cpio.tests

@@ -4,6 +4,8 @@
 
 . ./testing.sh
 
+umask 022
+
 # ls -ln shows date. Need to remove that, it's variable.
 # sed: coalesce spaces
 # cut: remove date

testsuite/date/date-works-1

@@ -1,4 +1,7 @@
 unset LANG
+unset LANGUAGE
+unset LC_TIME
+unset LC_ALL
 
 dt=`busybox date -d 1:2 +%T`
 test x"$dt" = x"01:02:00"

testsuite/du/du-k-works

@@ -1,4 +1,6 @@
+mkdir du.testdir
+cd du.testdir
 dd if=/dev/zero of=file1 bs=1k count=64 2>/dev/null
 dd if=/dev/zero of=file2 bs=1k count=16 2>/dev/null
 test x"`busybox du -k .`" = x"80	." \
-  -o x"`busybox du -k .`" = x"88	." \
+  -o x"`busybox du -k .`" = x"88	."

testsuite/du/du-l-works

@@ -1,8 +1,11 @@
 # FEATURE: CONFIG_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
 
+mkdir du.testdir
+cd du.testdir
 dd if=/dev/zero of=file1 bs=1k count=64 2>/dev/null
 ln file1 file1.1
 dd if=/dev/zero of=file2 bs=1k count=16 2>/dev/null
 test x"`busybox du -l .`" = x"144	." \
   -o x"`busybox du -l .`" = x"148	." \
   -o x"`busybox du -l .`" = x"152	." \
+  -o x"`busybox du -l .`" = x"156	."

testsuite/hostname/hostname-d-works

@@ -1,3 +1,3 @@
-f=$(busybox hostname -f)
+f=$(busybox hostname -f).
 d=$(busybox hostname -d)
-test x"${f#*.}" = x"$d"
+test x"${f#*.}" = x"$d${d:+.}"

testsuite/makedevs.tests

@@ -4,6 +4,10 @@
 
 . ./testing.sh
 
+unset LANG
+unset LC_COLLATE
+unset LC_ALL
+
 # ls -ln is showing date. Need to remove that, it's variable
 # sed: (1) "maj, min" -> "maj,min" (2) coalesce spaces
 # cut: remove date

testsuite/tar.tests

@@ -4,6 +4,12 @@
 
 . ./testing.sh
 
+unset LANG
+unset LANGUAGE
+unset LC_COLLATE
+unset LC_ALL
+umask 022
+
 rm -rf tar.tempdir 2>/dev/null
 mkdir tar.tempdir && cd tar.tempdir || exit 1
 

testsuite/uuencode.tests

@@ -13,11 +13,10 @@
 #   test can create a file "actual" instead of writing to stdout
 
 # Test setup of standard input
-saved_umask=$(umask)
 umask 0
 testing "uuencode sets standard input mode correctly" \
         "uuencode foo </dev/null | head -n 1 | grep -q 666 && echo yes" "yes\n" "" ""
-umask $saved_umask
+umask 022
 
 testing "uuencode correct encoding" "uuencode bb_uuenc_test.out" \
 "begin 644 bb_uuenc_test.out\nM5&AE(&9A<W0@9W)E>2!F;W@@:G5M<&5D(&]V97(@=&AE(&QA>GD@8G)O=VX@\n%9&]G+@H\`\n\`\nend\n" \