vfs: cache resolve() calls to improve (fuse) performance

[bup.git] / t / test-fuse.sh

diff --git a/t/test-fuse.sh b/t/test-fuse.sh
index 33567f9126fc4290c06db179b821f20871451336..4603e80f79e3b3a57a3073c440fd38d41302ed94 100755 (executable)
--- a/t/test-fuse.sh
+++ b/t/test-fuse.sh
@@ -1,14 +1,29 @@
 #!/usr/bin/env bash
-. ./wvtest-bup.sh
+. ./wvtest-bup.sh || exit $?
+. t/lib.sh || exit $?
 
 set -o pipefail
 
+unset BLOCKSIZE BLOCK_SIZE DF_BLOCK_SIZE
+
+root_status="$(t/root-status)" || exit $?
+
+if ! bup-python -c 'import fuse' 2> /dev/null; then
+    WVSTART 'unable to import fuse; skipping test'
+    exit 0
+fi
+
+if test -n "$(type -p modprobe)" && ! modprobe fuse; then
+    echo 'Unable to load fuse module; skipping dependent tests.' 1>&2
+    exit 0
+fi
+
 if ! fusermount -V; then
     echo 'skipping FUSE tests: fusermount does not appear to work'
     exit 0
 fi
 
-if ! groups | grep -q fuse && test "$(t/root-status)" != root; then
+if ! groups | grep -q fuse && test "$root_status" != root; then
     echo 'skipping FUSE tests: you are not root and not in the fuse group'
     exit 0
 fi
@@ -21,16 +36,32 @@ export GIT_DIR="$tmpdir/bup"
 
 bup() { "$top/bup" "$@"; }
 
+# Some versions of bash's printf don't support the relevant date expansion.
+savename()
+{
+    readonly secs="$1"
+    WVPASS bup-python -c "from time import strftime, localtime; \
+       print strftime('%Y-%m-%d-%H%M%S', localtime($secs))"
+}
+
 WVPASS bup init
 WVPASS cd "$tmpdir"
 
-savestamp1=$(WVPASS python -c 'import time; print int(time.time())') || exit $?
+savestamp1=$(WVPASS bup-python -c 'import time; print int(time.time())') || exit $?
 savestamp2=$(($savestamp1 + 1))
-savename1="$(printf '%(%Y-%m-%d-%H%M%S)T' "$savestamp1")" || exit $?
-savename2="$(printf '%(%Y-%m-%d-%H%M%S)T' "$savestamp2")" || exit $?
+
+savename1="$(savename "$savestamp1")" || exit $?
+savename2="$(savename "$savestamp2")" || exit $?
 
 WVPASS mkdir src
-WVPASS date > src/foo
+WVPASS echo content > src/foo
+WVPASS chmod 644 src/foo
+WVPASS touch -t 201111111111 src/foo
+# FUSE, python-fuse, something, can't handle negative epoch times.
+# Use pre-epoch to make sure bup properly "bottoms out" at 0 for now.
+WVPASS echo content > src/pre-epoch
+WVPASS chmod 644 src/pre-epoch
+WVPASS touch -t 196907202018 src/pre-epoch
 WVPASS bup index src
 WVPASS bup save -n src -d "$savestamp1" --strip src
 
@@ -46,14 +77,28 @@ WVPASSEQ "$result" "$savename1
 latest"
 
 result=$(WVPASS ls mnt/src/latest) || exit $?
-WVPASSEQ "$result" "foo"
+WVPASSEQ "$result" "foo
+pre-epoch"
+
+result=$(WVPASS cat mnt/src/latest/foo) || exit $?
+WVPASSEQ "$result" "content"
 
 # Right now we don't detect new saves.
 WVPASS bup save -n src -d "$savestamp2" --strip src
 result=$(WVPASS ls mnt/src) || exit $?
-savename="$(WVPASS printf '%(%Y-%m-%d-%H%M%S)T' "$savestamp1")" || exit $?
 WVPASSEQ "$result" "$savename1
 latest"
 
+WVPASS fusermount -uz mnt
+
+WVSTART "extended metadata"
+WVPASS bup fuse --meta mnt
+result=$(TZ=UTC LC_ALL=C WVPASS ls -l mnt/src/latest/) || exit $?
+readonly user=$(WVPASS id -un) || $?
+readonly group=$(WVPASS id -gn) || $?
+WVPASSEQ "$result" "total 1
+-rw-r--r-- 1 $user $group 8 Nov 11  2011 foo
+-rw-r--r-- 1 $user $group 8 Jan  1  1970 pre-epoch"
+
 WVPASS fusermount -uz mnt
 WVPASS rm -rf "$tmpdir"