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id (clj)

(source)

protocol

(id this)
Id of this 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 MockMigration [db id name ups downs]
  proto/Migration
  (id [this]
    id)
  (name [this]
    name)
  (up [this config]
    (swap! ups conj id)
    :success)
  (down [this config]
    (swap! downs conj id)
    :success))

(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]))

(defn make-migration [{:keys [id name ups downs]}]
  (MockMigration. nil id name ups downs))

(defmethod proto/make-store :mock
  [{:keys [completed-ids] :as config}]
  (MockStore. completed-ids config))
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.test.core
  (:require [migratus.protocols :as proto]
            [migratus.mock :as mock]
            [clojure.test :refer :all]
            [migratus.core :refer :all]
            migratus.logger
            [migratus.migrations :as mig]
            [migratus.utils :as utils]
            [clojure.java.io :as io])
  (:import [migratus.mock MockStore MockMigration]))

(defn migrations [ups downs]
  (for [n (range 4)]
    (mock/make-migration
      {:id (inc n) :name (str "id-" (inc n)) :ups ups :downs downs})))

(deftest test-migrate
  (let [ups    (atom [])
        downs  (atom [])
        config {:store         :mock
                :completed-ids (atom #{1 3})}]
    (with-redefs [mig/list-migrations (constantly (migrations ups downs))]
      (migrate config))
    (is (= [2 4] @ups))
    (is (empty? @downs))))

(deftest test-up
  (let [ups    (atom [])
        downs  (atom [])
        config {:store         :mock
                :completed-ids (atom #{1 3})}]
    (with-redefs [mig/list-migrations (constantly (migrations ups downs))]
      (testing "should bring up an uncompleted migration"
        (up config 4 2)
        (is (= [2 4] @ups))
        (is (empty? @downs)))
      (reset! ups [])
      (reset! downs [])
      (testing "should do nothing for a completed migration"
        (up config 1)
        (is (empty? @ups))
        (is (empty? @downs))))))

(deftest test-down
  (let [ups    (atom [])
        downs  (atom [])
        config {:store         :mock
                :completed-ids (atom #{1 3})}]
    (with-redefs [mig/list-migrations (constantly (migrations ups downs))]
      (testing "should bring down a completed migration"
        (down config 1 3)
        (is (empty? @ups))
        (is (= [3 1] @downs)))
      (reset! ups [])
      (reset! downs [])
      (testing "should do nothing for an uncompleted migration"
        (down config 2)
        (is (empty? @ups))
        (is (empty? @downs))))))

(deftest test-completed-list
  (let [ups    (atom [])
        downs  (atom [])
        config {:store         :mock
                :completed-ids (atom #{1 2 3})}]
    (with-redefs [mig/list-migrations (constantly (migrations ups downs))]
      (testing "should return the list of completed migrations"
        (is (= ["id-1" "id-2" "id-3"]
               (migratus.core/completed-list config)))))))

(deftest test-pending-list
  (let [ups    (atom [])
        downs  (atom [])
        config {:store         :mock
                :completed-ids (atom #{1})}]
    (with-redefs [mig/list-migrations (constantly (migrations ups downs))]
      (testing "should return the list of pending migrations"
        (is (= ["id-2" "id-3" "id-4"]
               (migratus.core/pending-list config)))))))

(deftest test-select-migrations
  (let [ups    (atom [])
        downs  (atom [])
        config {:store         :mock
                :completed-ids (atom #{1 3})}]
    (with-redefs [mig/list-migrations (constantly (migrations ups downs))]
      (testing "should return the list of [id name] selected migrations"
        (is (= [[1 "id-1"] [3 "id-3"]]
               (migratus.core/select-migrations config migratus.core/completed-migrations)))
        (is (= [[2 "id-2"] [4 "id-4"]]
               (migratus.core/select-migrations config migratus.core/uncompleted-migrations)))))))
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.test.database
  (:require [clojure.java.io :as io]
            [next.jdbc :as jdbc]
            [next.jdbc.result-set :as rs]
            [next.jdbc.quoted :as q]
            [next.jdbc.sql :as sql]
            [migratus.protocols :as proto]
            [migratus.core :as core]
            [clojure.test :refer :all]
            [migratus.database :refer :all :as db]
            [clojure.tools.logging :as log]
            [migratus.test.migration.edn :as test-edn]
            [migratus.test.migration.sql :as test-sql]
            [migratus.utils :as utils])
  (:import java.io.File
           java.sql.Connection
           java.util.jar.JarFile
           (java.util.concurrent CancellationException)))

  (jdbc/execute! (:db config) ["select * from foo_bar"])
  (next.jdbc.sql/insert! (:db config) "foo_bar" {:id -1})
  (jdbc/execute-one! (:db config) ["insert into foo_bar(id) values (?)" -1] {:return-keys false})

  (jdbc/execute! (:db config)
                 [(str "CREATE TABLE " (q/ansi "table")
                       "(id BIGINT UNIQUE NOT NULL, applied TIMESTAMP,
                        description VARCHAR(1024) )")])
  (run-test test-init)
  (run-test test-rollback-until-just-after)
  (run-test test-backing-out-bad-migration-no-tx)


(deftest test-description-and-applied-fields
  (core/migrate config)
  (let [from-db (verify-data config (:migration-table-name config))]
    (testing "descriptions match")
    (is (= (map #(dissoc % :applied) from-db)
           '({:id          20111202110600,
              :description "create-foo-table"}
              {:id          20111202113000,
               :description "create-bar-table"}
              {:id          20120827170200,
               :description "multiple-statements"})))
    (testing "applied are timestamps")
    (is (every? identity (map #(-> %
                                   :applied
                                   type
                                   (= java.sql.Timestamp))
                              from-db)))))
migratus
(ns migratus.test.migration.edn-with-args
  (: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-run-edn-migrations
  (let [config (merge test-config
                      {:store :mock
                       :completed-ids (atom #{})
                       :migration-dir "migrations-edn-args"})]
    (is (not (test-file-exists?)))
    (core/migrate config)
    (is (test-file-exists?))
    (core/rollback config)
    (is (not (test-file-exists?)))))
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-invalid-migration
  (testing "namespace is required"
    (is (thrown-with-msg?
         IllegalArgumentException
         #"Invalid migration .* no namespace"
         (edn-mig {}))))
  (testing "namespace must exist"
    (is (thrown?
         Exception
         (edn-mig {:ns 'foo.bar.baz}))))
  (testing "fn must exist"
    (is (thrown-with-msg?
         IllegalArgumentException
         #"Unable to resolve"
         (edn-mig {:ns test-namespace
                   :up-fn 'not-a-real-fn
                   :down-fn 'not-a-real-fn})))))

(deftest test-run-edn-migrations
  (let [config (merge test-config
                      {:store :mock
                       :completed-ids (atom #{})
                       :migration-dir "migrations-edn"})]
    (is (not (test-file-exists?)))
    (core/migrate config)
    (is (test-file-exists?))
    (core/rollback config)
    (is (not (test-file-exists?)))))