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authorMax Reitz <mreitz@redhat.com>2018-05-09 20:20:02 +0200
committerMax Reitz <mreitz@redhat.com>2018-06-11 16:18:45 +0200
commit28036a7f7044fddb79819e3c8fcb4ae5605c60e0 (patch)
tree02349546dfa8de9b3c028acad65f2e51b616f36d /tests
parentd16699b64671466b42079c45b89127aeea1ca565 (diff)
iotests: Add test for rebasing with relative paths
Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20180509182002.8044-3-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests')
-rwxr-xr-xtests/qemu-iotests/02482
-rw-r--r--tests/qemu-iotests/024.out30
2 files changed, 109 insertions, 3 deletions
diff --git a/tests/qemu-iotests/024 b/tests/qemu-iotests/024
index e0d77ce2f5..4071ed6093 100755
--- a/tests/qemu-iotests/024
+++ b/tests/qemu-iotests/024
@@ -29,9 +29,14 @@ status=1 # failure is the default!
_cleanup()
{
- _cleanup_test_img
- rm -f "$TEST_DIR/t.$IMGFMT.base_old"
- rm -f "$TEST_DIR/t.$IMGFMT.base_new"
+ _cleanup_test_img
+ rm -f "$TEST_DIR/t.$IMGFMT.base_old"
+ rm -f "$TEST_DIR/t.$IMGFMT.base_new"
+
+ rm -f "$TEST_DIR/subdir/t.$IMGFMT"
+ rm -f "$TEST_DIR/subdir/t.$IMGFMT.base_old"
+ rm -f "$TEST_DIR/subdir/t.$IMGFMT.base_new"
+ rmdir "$TEST_DIR/subdir" 2> /dev/null
}
trap "_cleanup; exit \$status" 0 1 2 3 15
@@ -123,6 +128,77 @@ io_pattern readv $((13 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
io_pattern readv $((14 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
io_pattern readv $((15 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
+echo
+echo "=== Test rebase in a subdirectory of the working directory ==="
+echo
+
+# Clean up the old images beforehand so they do not interfere with
+# this test
+_cleanup
+
+mkdir "$TEST_DIR/subdir"
+
+# Relative to the overlay
+BASE_OLD_OREL="t.$IMGFMT.base_old"
+BASE_NEW_OREL="t.$IMGFMT.base_new"
+
+# Relative to $TEST_DIR (which is going to be our working directory)
+OVERLAY_WREL="subdir/t.$IMGFMT"
+
+BASE_OLD="$TEST_DIR/subdir/$BASE_OLD_OREL"
+BASE_NEW="$TEST_DIR/subdir/$BASE_NEW_OREL"
+OVERLAY="$TEST_DIR/$OVERLAY_WREL"
+
+# Test done here:
+#
+# Backing (old): 11 11 -- 11
+# Backing (new): -- 22 22 11
+# Overlay: -- -- -- --
+#
+# Rebasing works, we have verified that above. Here, we just want to
+# see that rebasing is done for the correct target backing file.
+
+TEST_IMG=$BASE_OLD _make_test_img 1M
+TEST_IMG=$BASE_NEW _make_test_img 1M
+TEST_IMG=$OVERLAY _make_test_img -b "$BASE_OLD_OREL" 1M
+
+echo
+
+$QEMU_IO "$BASE_OLD" \
+ -c "write -P 0x11 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
+ -c "write -P 0x11 $((3 * CLUSTER_SIZE)) $((1 * CLUSTER_SIZE))" \
+ | _filter_qemu_io
+
+$QEMU_IO "$BASE_NEW" \
+ -c "write -P 0x22 $((1 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
+ -c "write -P 0x11 $((3 * CLUSTER_SIZE)) $((1 * CLUSTER_SIZE))" \
+ | _filter_qemu_io
+
+echo
+
+pushd "$TEST_DIR" >/dev/null
+$QEMU_IMG rebase -f "$IMGFMT" -b "$BASE_NEW_OREL" "$OVERLAY_WREL"
+popd >/dev/null
+
+# Verify the backing path is correct
+TEST_IMG=$OVERLAY _img_info | grep '^backing file'
+
+echo
+
+# Verify the data is correct
+$QEMU_IO "$OVERLAY" \
+ -c "read -P 0x11 $((0 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
+ -c "read -P 0x11 $((1 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
+ -c "read -P 0x00 $((2 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
+ -c "read -P 0x11 $((3 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
+ | _filter_qemu_io
+
+echo
+
+# Verify that cluster #3 is not allocated (because it is the same in
+# $BASE_OLD and $BASE_NEW)
+$QEMU_IMG map "$OVERLAY" | _filter_qemu_img_map
+
# success, all done
echo "*** done"
diff --git a/tests/qemu-iotests/024.out b/tests/qemu-iotests/024.out
index 33cfaf5cfc..024dc786b3 100644
--- a/tests/qemu-iotests/024.out
+++ b/tests/qemu-iotests/024.out
@@ -141,4 +141,34 @@ read 65536/65536 bytes at offset 917504
=== IO: pattern 0x00
read 65536/65536 bytes at offset 983040
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=== Test rebase in a subdirectory of the working directory ===
+
+Formatting 'TEST_DIR/subdir/t.IMGFMT.base_old', fmt=IMGFMT size=1048576
+Formatting 'TEST_DIR/subdir/t.IMGFMT.base_new', fmt=IMGFMT size=1048576
+Formatting 'TEST_DIR/subdir/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=t.IMGFMT.base_old
+
+wrote 131072/131072 bytes at offset 0
+128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 65536/65536 bytes at offset 196608
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 131072/131072 bytes at offset 65536
+128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 65536/65536 bytes at offset 196608
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+backing file: t.IMGFMT.base_new (actual path: TEST_DIR/subdir/t.IMGFMT.base_new)
+
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 65536
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 131072
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 196608
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+Offset Length File
+0 0x30000 TEST_DIR/subdir/t.IMGFMT
+0x30000 0x10000 TEST_DIR/subdir/t.IMGFMT.base_new
*** done