make-store (clj)

;;;; 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]))

(defmethod proto/make-store :mock
  [{:keys [completed-ids] :as config}]
  (MockStore. completed-ids config))

;;;; 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)))

(deftest test-make-store
  (testing "should create default table name"
    (is (not (test-sql/verify-table-exists?
               (dissoc config :migration-table-name) default-migrations-table)))
    (test-with-store
      (proto/make-store (dissoc config :migration-table-name))
      (fn [config]
        (is (test-sql/verify-table-exists? config default-migrations-table)))))
  (test-sql/reset-db)
  (testing "should create schema_migrations table"
    (is (not (test-sql/verify-table-exists? config "foo_bar")))
    (test-with-store
      (proto/make-store config)
      (fn [config]
        (is (test-sql/verify-table-exists? config "foo_bar")))))
  (test-sql/reset-db)
  (testing "should use complex table name"
    (let [table-name "U&\"\\00d6ffnungszeit\""
          config (assoc config :migration-table-name table-name)]
      (is (not (test-sql/verify-table-exists? config table-name)))
      (test-with-store
        (proto/make-store config)
        (fn [config]
          (is (test-sql/verify-table-exists? config table-name)))))))

(deftest test-make-store-pass-conn
  (testing "should create default table name"
    (is (not (test-sql/verify-table-exists?
              (dissoc config :migration-table-name) default-migrations-table)))
    (test-with-store
     (proto/make-store (-> (dissoc config :migration-table-name)
                           (assoc :db {:connection (jdbc/get-connection (:db config))})))
     (fn [_]
       (test-sql/verify-table-exists? (dissoc config :migration-table-name)
                                      default-migrations-table))))
  (test-sql/reset-db))

(deftest test-init
  (testing "db init"
    (let [config (assoc config :init-script "init.sql")]
      (test-sql/reset-db)
      (let [store (proto/make-store config)]
        (proto/init store)
        (is (test-sql/verify-table-exists? config "foo")))
      (test-sql/reset-db)
      (let [store (proto/make-store (assoc config :init-in-transaction? false))]
        (proto/init store)
        (is (test-sql/verify-table-exists? config "foo"))))))


(deftest test-migration-ignored-when-already-reserved
  (test-with-store
    (proto/make-store config)
    (fn [{:keys [db migration-table-name] :as config}]
      (testing "can only reserve once"
        (is (mark-reserved db migration-table-name))
        (is (not (mark-reserved db migration-table-name))))
      (testing "migrations don't run when locked"
        (is (not (test-sql/verify-table-exists? config "foo")))
        (is (= :ignore (core/migrate config)))
        (is (not (test-sql/verify-table-exists? config "foo"))))
      (testing "migrations run once lock is freed"
        (mark-unreserved db migration-table-name)
        (is (nil? (core/migrate config)))
        (is (test-sql/verify-table-exists? config "foo")))
      (testing "rollback migration isn't run when locked"
        (is (mark-reserved db migration-table-name))
        (core/down config 20111202110600)
        (is (test-sql/verify-table-exists? config "foo")))
      (testing "rollback migration run once lock is freed"
        (mark-unreserved db migration-table-name)
        (core/down config 20111202110600)
        (is (not (test-sql/verify-table-exists? config "foo")))))))