Implement export, import and clone commands

tests/service_import.bats

@@ -0,0 +1,36 @@
+#!/usr/bin/env bats
+load test_helper
+
+setup() {
+  export ECHO_DOCKER_COMMAND="false"
+  dokku "$PLUGIN_COMMAND_PREFIX:create" l >&2
+  echo "data" > "$PLUGIN_DATA_ROOT/fake.dump.tar"
+}
+
+teardown() {
+  export ECHO_DOCKER_COMMAND="false"
+  dokku --force "$PLUGIN_COMMAND_PREFIX:destroy" l >&2
+  rm -f "$PLUGIN_DATA_ROOT/fake.dump.tar"
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:import) error when there are no arguments" {
+  run dokku "$PLUGIN_COMMAND_PREFIX:import"
+  assert_contains "${lines[*]}" "Please specify a name for the service"
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:import) error when service does not exist" {
+  run dokku "$PLUGIN_COMMAND_PREFIX:import" not_existing_service
+  assert_contains "${lines[*]}" "service not_existing_service does not exist"
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:import) error when data is not provided" {
+  run dokku "$PLUGIN_COMMAND_PREFIX:import" l
+  assert_contains "${lines[*]}" "No data provided on stdin"
+}
+
+@test "($PLUGIN_COMMAND_PREFIX:import) success" {
+  export ECHO_DOCKER_COMMAND="true"
+  run dokku "$PLUGIN_COMMAND_PREFIX:import" l < "$PLUGIN_DATA_ROOT/fake.dump.tar"
+  assert_output "docker exec -i dokku.mongo.l bash -c DIR=\$(mktemp -d) && tar xf - -C \"\$DIR\" && mongorestore -d l \$(find \"\$DIR\" -mindepth 1 -maxdepth 1 -type d | head -n1) && rm -rf \"\$DIR\""
+}
+