Merge pull request 'Add test for low newest goals' (#14) from low-newest into master

Reviewed-on: https://codeberg.org/pzp/pzp-sync/pulls/14

test/realtime.test.js

@@ -306,6 +306,76 @@ test('create 100 messages in parallel that still manage to sync realtime (withou
   }
   assert.equal(arr.length, n, `alice has ${arr.length} posts from bob`)
 
+  await p(remoteAlice.close)(true)
+  await p(alice.close)(true)
+  await p(bob.close)(true)
+})
+
+test('create 200 messages that manage to replicate with low "newest" goals', async (t) => {
+  const n = 200
+
+  const alice = createPeer({ name: 'alice' })
+  const bob = createPeer({ name: 'bob' })
+
+  await alice.db.loaded()
+  await bob.db.loaded()
+
+  const bobID = await p(bob.db.account.create)({
+    subdomain: 'account',
+    _nonce: 'bob',
+  })
+
+  const bobPostsID = bob.db.feed.getID(bobID, 'post')
+
+  {
+    const arr = (await flatten(alice.db.msgs()))
+      .filter((msg) => msg.metadata.account === bobID && msg.data)
+      .map((msg) => msg.data.text)
+    assert.deepEqual(arr, [], 'alice has no posts from bob')
+  }
+
+  const confirmed = []
+  // for keeping track of which msgs have arrived
+  for (let i = 0; i < n; i++) {
+    confirmed.push(false)
+  }
+
+  alice.db.onRecordAdded(rec => {
+    if (rec.msg.data?.text) {
+      const num = Number.parseInt(rec.msg.data.text)
+      confirmed[num] = true
+    }
+  })
+
+  bob.goals.set(bobPostsID, 'newest-50')
+  alice.goals.set(bobPostsID, 'newest-50')
+
+  const remoteAlice = await p(bob.connect)(alice.getAddress())
+  assert('alice and bob connected')
+
+  bob.sync.start()
+  await p(setTimeout)(1000)
+  assert('sync!')
+
+  const hundred = []
+  for (let i = 0; i < n; i++) {
+      hundred.push(i)
+  }
+  Promise.all(hundred.map(i => p(bob.db.feed.publish)({
+    account: bobID,
+    domain: 'post',
+    data: { text: `${i}` },
+  })))
+  assert(`bob published ${n} posts in parallel`)
+
+  let tries = 30
+  // just waiting for them to arrive
+  do {
+    await p(setTimeout)(100)
+  } while (!confirmed.every(v => v === true) && tries-- > 0)
+
+  assert.equal(confirmed.filter(v => v === true).length, n, `alice has all of bob's posts`)
+
   await p(remoteAlice.close)(true)
   await p(alice.close)(true)
   await p(bob.close)(true)