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sqlite: Add infrastructure for migration tests

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This sets up the testing infrastructure to test migrations we are
doing.
It's done on a in memory database directly, we are only interested
in the statements themselves and it's easier than to try and
inject a prepared db into the store.

We do add some dummy data though to make sure we actually execute
the things as we expect.
This commit is contained in:
Reto Brunner 2022-12-28 14:57:36 +01:00
parent 063aca948c
commit 899762cddd
2 changed files with 107 additions and 3 deletions
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13
server/plugins/messageStorage/sqlite.ts
View file

@ -23,16 +23,21 @@ try {
);
}
export const currentSchemaVersion = 1520239200;
type Migration = {version: number; stmts: string[]};
export const currentSchemaVersion = 1520239200; // use `new Date().getTime()`
// Desired schema, adapt to the newest version and add migrations to the array below
const schema = [
// Schema version #1
"CREATE TABLE IF NOT EXISTS options (name TEXT, value TEXT, CONSTRAINT name_unique UNIQUE (name))",
"CREATE TABLE IF NOT EXISTS messages (network TEXT, channel TEXT, time INTEGER, type TEXT, msg TEXT)",
"CREATE INDEX IF NOT EXISTS network_channel ON messages (network, channel)",
"CREATE INDEX IF NOT EXISTS time ON messages (time)",
];
// the migrations will be executed in an exclusive transaction as a whole
export const migrations = [];
class Deferred {
resolve!: () => void;
promise: Promise<void>;
@ -326,4 +331,8 @@ function parseSearchRowsToMessages(id: number, rows: any[]) {
return messages;
}
export function necessaryMigrations(since: number): Migration[] {
return migrations.filter((m) => m.version > since);
}
export default SqliteMessageStorage;

97
test/plugins/sqlite.ts
View file

@ -5,7 +5,102 @@ import {expect} from "chai";
import util from "../util";
import Msg, {MessageType} from "../../server/models/msg";
import Config from "../../server/config";
import MessageStorage, {currentSchemaVersion} from "../../server/plugins/messageStorage/sqlite";
import MessageStorage, {
currentSchemaVersion,
migrations,
necessaryMigrations,
} from "../../server/plugins/messageStorage/sqlite";
import Client from "../../server/client";
import sqlite3 from "sqlite3";
const orig_schema = [
// Schema version #1
// DO NOT CHANGE THIS IN ANY WAY, it's needed to properly test migrations
"CREATE TABLE IF NOT EXISTS options (name TEXT, value TEXT, CONSTRAINT name_unique UNIQUE (name))",
"CREATE TABLE IF NOT EXISTS messages (network TEXT, channel TEXT, time INTEGER, type TEXT, msg TEXT)",
"CREATE INDEX IF NOT EXISTS network_channel ON messages (network, channel)",
"CREATE INDEX IF NOT EXISTS time ON messages (time)",
];
const v1_schema_version = 1520239200;
const v1_dummy_messages = [
{
network: "8f650427-79a2-4950-b8af-94088b61b37c",
channel: "##linux",
time: 1594845354280,
type: "message",
msg: '{"from":{"mode":"","nick":"rascul"},"text":"db on a flash drive doesn\'t sound very nice though","self":false,"highlight":false,"users":[]}',
},
{
network: "8f650427-79a2-4950-b8af-94088b61b37c",
channel: "##linux",
time: 1594845357234,
type: "message",
msg: '{"from":{"mode":"","nick":"GrandPa-G"},"text":"that\'s the point of changing to make sure.","self":false,"highlight":false,"users":[]}',
},
{
network: "8f650427-79a2-4950-b8af-94088b61b37c",
channel: "#pleroma-dev",
time: 1594845358464,
type: "message",
msg: '{"from":{"mode":"@","nick":"rinpatch"},"text":"it\'s complicated","self":false,"highlight":false,"users":[]}',
},
];
describe("SQLite migrations", function () {
let db: sqlite3.Database;
function serialize_run(stmt: string, ...params: any[]): Promise<void> {
return new Promise((resolve, reject) => {
db.serialize(() => {
db.run(stmt, params, (err) => {
if (err) {
reject(err);
return;
}
resolve();
});
});
});
}
before(async function () {
db = new sqlite3.Database(":memory:");
for (const stmt of orig_schema) {
await serialize_run(stmt);
}
for (const msg of v1_dummy_messages) {
await serialize_run(
"INSERT INTO messages(network, channel, time, type, msg) VALUES(?, ?, ?, ?, ?)",
msg.network,
msg.channel,
msg.time,
msg.type,
msg.msg
);
}
});
after(function (done) {
db.close(done);
});
it("has working migrations", async function () {
const to_execute = necessaryMigrations(v1_schema_version);
expect(to_execute.length).to.eq(migrations.length);
await serialize_run("BEGIN EXCLUSIVE TRANSACTION");
for (const stmt of to_execute.map((m) => m.stmts).flat()) {
await serialize_run(stmt);
}
await serialize_run("COMMIT TRANSACTION");
});
});
describe("SQLite Message Storage", function () {
// Increase timeout due to unpredictable I/O on CI services