1 files changed, 14 insertions, 0 deletions
diff --git a/tests/zfs-pre-snapshot/fake-zfs b/tests/zfs-pre-snapshot/fake-zfs
new file mode 100755
index 0000000..508c0f3
--- /dev/null
+++ b/tests/zfs-pre-snapshot/fake-zfs
@@ -0,0 +1,14 @@
+#!/bin/sh
+# Fake zfs for the zfs-pre-snapshot unit test. `snapshot` and `destroy` are
+# logged (FAKE_ZFS_LOG); `list` prints a fixture snapshot set (FAKE_ZFS_SNAPSHOTS).
+# Set FAKE_ZFS_SNAPSHOT_FAIL to make snapshot creation fail.
+case "$1" in
+    snapshot)
+        [ -n "$FAKE_ZFS_SNAPSHOT_FAIL" ] && exit 1
+        echo "snapshot $2" >> "$FAKE_ZFS_LOG"; exit 0 ;;
+    destroy)
+        echo "destroy $2" >> "$FAKE_ZFS_LOG"; exit 0 ;;
+    list)
+        cat "$FAKE_ZFS_SNAPSHOTS" 2>/dev/null; exit 0 ;;
+esac
+exit 0