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migrate-down (clj)
(source)protocol
(migrate-down this migration)
Run and record a down migration
Examples
migratus
;;;; Copyright © 2011 Paul Stadig
;;;;
;;;; Licensed under the Apache License, Version 2.0 (the "License"); you may not
;;;; use this file except in compliance with the License. You may obtain a copy
;;;; of the License at
;;;;
;;;; http://www.apache.org/licenses/LICENSE-2.0
;;;;
;;;; Unless required by applicable law or agreed to in writing, software
;;;; distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
;;;; WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
;;;; License for the specific language governing permissions and limitations
;;;; under the License.
(ns migratus.mock
(:require [migratus.protocols :as proto]))
(defrecord MockStore [completed-ids config]
proto/Store
(init [this])
(completed-ids [this]
@completed-ids)
(migrate-up [this migration]
(proto/up migration config)
(swap! completed-ids conj (proto/id migration))
:success)
(migrate-down [this migration]
(proto/down migration config)
(swap! completed-ids disj (proto/id migration)))
(connect [this])
(disconnect [this]))
migratus
(ns migratus.test.migration.edn
(:require [clojure.java.io :as io]
[clojure.test :refer :all]
[migratus.core :as core]
[migratus.migration.edn :refer :all]
migratus.mock
[migratus.protocols :as proto]
[migratus.utils :as utils])
(:import java.io.File))
(deftest test-edn-migration
(let [mig (edn-mig {:ns test-namespace
:up-fn 'migrate-up
:down-fn 'migrate-down})]
(is (not (test-file-exists?)))
(proto/up mig test-config)
(is (test-file-exists?))
(proto/down mig test-config)
(is (not (test-file-exists?)))))