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silverbullet/webapp/spaces/sync.test.ts
2022-04-05 17:02:17 +02:00

63 lines
1.8 KiB
TypeScript

import { expect, test } from "@jest/globals";
import { IndexedDBSpace } from "./indexeddb_space";
import { SpaceSync } from "./sync";
// For testing in node.js
require("fake-indexeddb/auto");
test("Test store", async () => {
let primary = new IndexedDBSpace("primary");
let secondary = new IndexedDBSpace("secondary");
let sync = new SpaceSync(primary, secondary, 0);
// Write one page to primary
await primary.writePage("start", "Hello");
expect((await secondary.listPages()).size).toBe(0);
await sync.syncPages();
expect((await secondary.listPages()).size).toBe(1);
expect((await secondary.readPage("start")).text).toBe("Hello");
let lastSync = sync.lastSync;
// Should be a no-op
await sync.syncPages();
expect(sync.lastSync).toBe(lastSync);
// Now let's make a change on the secondary
await secondary.writePage("start", "Hello!!");
await secondary.writePage("test", "Test page");
// And sync it
await sync.syncPages();
expect((await primary.listPages()).size).toBe(2);
expect((await secondary.listPages()).size).toBe(2);
expect((await primary.readPage("start")).text).toBe("Hello!!");
// Let's make some random edits on both ends
await primary.writePage("start", "1");
await primary.writePage("start2", "2");
await secondary.writePage("start3", "3");
await secondary.writePage("start4", "4");
await sync.syncPages();
expect((await primary.listPages()).size).toBe(5);
expect((await secondary.listPages()).size).toBe(5);
console.log("Should be no op");
await sync.syncPages();
console.log("Done");
// Cause a conflict
await primary.writePage("start", "Hello 1");
await secondary.writePage("start", "Hello 2");
try {
await sync.syncPages();
// This should throw a sync conflict, so cannot be here
expect(false).toBe(true);
} catch {}
});