Add test case as per #187

test/commands/docker-compose.yml

@@ -11,7 +11,8 @@ services:
       MARIADB_DATABASE: backup
     labels:
       # this is testing the deprecated label on purpose
-      - docker-volume-backup.exec-pre=/bin/sh -c 'mysqldump -ptest --all-databases > /tmp/volume/dump.sql'
+      - docker-volume-backup.archive-pre=/bin/sh -c 'mysqldump -ptest --all-databases > /tmp/volume/dump.sql'
+      - docker-volume-backup.archive-post=/bin/sh -c 'rm /tmp/volume/dump.sql'
       - docker-volume-backup.copy-post=/bin/sh -c 'echo "post" > /tmp/volume/post.txt'
       - docker-volume-backup.exec-label=test
     volumes:

test/order/docker-compose.yml

@@ -0,0 +1,28 @@
+version: "3"
+
+services:
+  rsync:
+    image: eeacms/rsync
+    tty: true
+    restart: unless-stopped
+    labels:
+      - docker-volume-backup.exec-label=order
+      - docker-volume-backup.archive-pre=sh -c "rsync -aAX --ignore-missing-args --delete-missing-args /data/ /bu/"
+      - docker-volume-backup.archive-post=sh -c "rm -rf /bu/*"
+    volumes:
+      - ./fixture:/data:ro
+      - bu:/bu
+
+  backup:
+    image: offen/docker-volume-backup:${TEST_VERSION:-canary}
+    restart: always
+    environment:
+      BACKUP_FILENAME: backup.tar.gz
+      BACKUP_EXEC_LABEL: order
+    volumes:
+      - bu:/backup/order:ro
+      - ./local:/archive
+      - /var/run/docker.sock:/var/run/docker.sock
+
+volumes:
+  bu:

test/order/fixture/test.txt

@@ -0,0 +1 @@
+ok

test/order/run.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+set -e
+
+cd $(dirname $0)
+. ../util.sh
+current_test=$(basename $(pwd))
+
+mkdir -p local
+
+docker compose up -d
+sleep 10
+
+docker compose exec backup backup
+
+if [ ! -f "./local/backup.tar.gz" ]; then
+  fail "Could not find expected backup file."
+fi
+
+tmp_dir=$(mktemp -d)
+tar -xvf ./local/backup.tar.gz -C $tmp_dir
+if [ ! -f "$tmp_dir/backup/order/test.txt" ]; then
+  fail "Could not find expected file in untared archive."
+fi
+
+docker compose down --volumes