Add tests for index --no-check-device, and support for t/mnt.

[bup.git] / t / test-index-check-device.sh

diff --git a/t/test-index-check-device.sh b/t/test-index-check-device.sh
new file mode 100755 (executable)
index 0000000..de7f7ed
--- /dev/null
+++ b/t/test-index-check-device.sh
@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+. ./wvtest-bup.sh
+. ./t/lib.sh
+
+set -ex -o pipefail
+
+if ! actually-root; then
+    echo 'Not root: skipping --check-device tests.'
+    exit 0 # FIXME: add WVSKIP.
+fi
+
+if test -z "$(type -p losetup)"; then
+    echo 'Unable to find losetup: skipping --check-device tests.'
+    exit 0 # FIXME: add WVSKIP.
+fi
+
+if test -z "$(type -p mke2fs)"; then
+    echo 'Unable to find mke2fs: skipping --check-device tests.'
+    exit 0 # FIXME: add WVSKIP.
+fi
+
+WVSTART '--check-device'
+
+top="$(pwd)"
+tmpdir="$(wvmktempdir)"
+export BUP_DIR="$tmpdir/bup"
+
+bup() { "$top/bup" "$@"; }
+
+srcmnt="$(wvmkmountpt)"
+tmpmnt1="$(wvmkmountpt)"
+tmpmnt2="$(wvmkmountpt)"
+
+cd "$tmpdir"
+
+dd if=/dev/zero of=testfs.img bs=1M count=32
+mke2fs -F -j -m 0 testfs.img
+mount -o loop testfs.img "$tmpmnt1"
+# Hide, so that tests can't create risks.
+chown root:root "$tmpmnt1"
+chmod 0700 "$tmpmnt1"
+
+# Create trivial content.
+date > "$tmpmnt1/foo"
+umount "$tmpmnt1"
+
+# Mount twice, so we'll have the same content with different devices.
+mount -oro,loop testfs.img "$tmpmnt1"
+mount -oro,loop testfs.img "$tmpmnt2"
+
+# Test default behavior: --check-device.
+mount -oro --bind "$tmpmnt1" "$srcmnt"
+bup init
+bup index --fake-valid "$srcmnt"
+umount "$srcmnt"
+mount -oro --bind "$tmpmnt2" "$srcmnt"
+bup index "$srcmnt"
+WVPASSEQ "$(bup index --status "$srcmnt")" \
+"M $srcmnt/lost+found/
+M $srcmnt/foo
+M $srcmnt/"
+umount "$srcmnt"
+
+WVSTART '--no-check-device'
+mount -oro --bind "$tmpmnt1" "$srcmnt"
+bup index --clear
+bup index --fake-valid "$srcmnt"
+umount "$srcmnt"
+mount -oro --bind "$tmpmnt2" "$srcmnt"
+bup index --no-check-device "$srcmnt"
+bup index --status "$srcmnt"
+WVPASSEQ "$(bup index --status "$srcmnt")" \
+"  $srcmnt/lost+found/
+  $srcmnt/foo
+  $srcmnt/"
+
+umount "$srcmnt"
+umount "$tmpmnt1"
+umount "$tmpmnt2"
+rm -r "$tmpmnt1" "$tmpmnt2" "$tmpdir"