mentat/test/datomish/promise_sqlite_test.cljs
2016-11-22 11:40:37 -08:00

105 lines
4.4 KiB
Clojure

;; Copyright 2016 Mozilla
;;
;; 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 datomish.promise-sqlite-test
(:require-macros
[datomish.pair-chan :refer [go-pair <?]]
[datomish.test-macros :refer [deftest-async]]
[datomish.node-tempfile-macros :refer [with-tempfile]]
[cljs.core.async.macros])
(:require
[datomish.node-tempfile :refer [tempfile]]
[cljs.core.async :refer [<! >!]]
[cljs.test :refer-macros [is are deftest testing async]]
[datomish.pair-chan]
[datomish.sqlite :as s]
[datomish.js-sqlite :as ps]))
(deftest-async test-all-rows
(with-tempfile [t (tempfile)]
(let [db (<? (ps/open (.-name t)))]
(try
(<? (s/execute! db ["CREATE TABLE test (a INTEGER)"]))
(<? (s/execute! db ["INSERT INTO test VALUES (?)" 1]))
(<? (s/execute! db ["INSERT INTO test VALUES (?)" 2]))
(let [rows (<? (s/all-rows db ["SELECT * FROM test ORDER BY a ASC"]))]
(is (= rows [{:a 1} {:a 2}])))
(finally
(<? (s/close db)))))))
(deftest-async test-in-transaction!
(with-tempfile [t (tempfile)]
(let [db (<? (ps/open (.-name t)))]
(try
(<? (s/execute! db ["CREATE TABLE ta (a INTEGER)"]))
(<? (s/execute! db ["CREATE TABLE tb (b INTEGER)"]))
(<? (s/execute! db ["INSERT INTO ta VALUES (?)" 1]))
(let [[v e] (<! (s/in-transaction! db #(s/execute! db ["INSERT INTO tb VALUES (?)" 2])))]
(is (not e)))
(let [rows (<? (s/all-rows db ["SELECT * FROM ta ORDER BY a ASC"]))]
(is (= rows [{:a 1}])))
(let [rows (<? (s/all-rows db ["SELECT * FROM tb ORDER BY b ASC"]))]
(is (= rows [{:b 2}])))
(let [f #(go-pair
;; The first succeeds ...
(<? (s/execute! db ["INSERT INTO ta VALUES (?)" 3]))
;; ... but will get rolled back by the second failing.
(<? (s/execute! db ["INSERT INTO tb VALUES (?)" 4 "bad parameter"])))
[v e] (<! (s/in-transaction! db f))]
(is (some? e)))
;; No changes, since the transaction as a whole failed.
(let [rows (<? (s/all-rows db ["SELECT * FROM ta ORDER BY a ASC"]))]
(is (= rows [{:a 1}])))
(let [rows (<? (s/all-rows db ["SELECT * FROM tb ORDER BY b ASC"]))]
(is (= rows [{:b 2}])))
(finally
(<? (s/close db)))))))
(deftest-async test-long-strings
;; Make a string that's nicely over the 32K limit in node-sqlite3/#668.
(let [s (str "be" (apply str (repeat 330000 "la")) "st")]
(with-tempfile [t (tempfile)]
(let [db (<? (ps/open (.-name t)))]
(try
(<? (s/execute! db ["CREATE TABLE strs (x INTEGER, a TEXT)"]))
(<? (s/execute! db ["INSERT INTO strs VALUES (42, ?)" s]))
;; Test retrieval via binding comparison.
(is (= (<? (s/all-rows db ["SELECT x FROM strs WHERE a = ?" s]))
[{:x 42}]))
;; Test computation.
(is (= (<? (s/all-rows db ["SELECT length(a) AS yvr FROM strs"]))
[{:yvr 660004}]))
(is (= (<? (s/all-rows db ["SELECT length(?) AS yvr FROM strs" s]))
[{:yvr 660004}]))
;; Test round-tripping.
(is (= (<? (s/all-rows db ["SELECT x, a FROM strs"]))
[{:x 42, :a s}]))
(is (= (<? (s/all-rows db ["SELECT ? AS yyz FROM strs" s]))
[{:yyz s}]))
(finally
(<? (s/close db))))
))))
(deftest test-tests-are-isolated
(go-pair
(let [conn-1 (<? (s/<sqlite-connection ""))
conn-2 (<? (s/<sqlite-connection ""))]
(is (not (= conn-1 conn-2)))
(<? (s/execute! conn-1 ["CREATE TABLE foo (x INTEGER)"]))
(<? (s/execute! conn-2 ["CREATE TABLE foo (x INTEGER)"]))
(<? (s/execute! conn-1 ["INSERT INTO foo (x) VALUES (5)"]))
(is (empty? (<? (s/all-rows conn-2 ["SELECT x FROM foo"]))))
(s/close conn-1)
(s/close conn-2))))