From 043faed83680a1292a63bf3aedcf410698192025 Mon Sep 17 00:00:00 2001
From: Jacob Karlsson <jacob.karlsson95@gmail.com>
Date: Fri, 28 Jun 2024 15:14:05 +0200
Subject: [PATCH] Import realtime test from sync module

---
 test/realtime.test.js | 98 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 test/realtime.test.js

diff --git a/test/realtime.test.js b/test/realtime.test.js
new file mode 100644
index 0000000..95e963d
--- /dev/null
+++ b/test/realtime.test.js
@@ -0,0 +1,98 @@
+const test = require('node:test')
+const assert = require('node:assert')
+const p = require('node:util').promisify
+const { createPeer } = require('./util')
+
+async function flatten(iter) {
+  const ary = []
+  for await (const it of iter) {
+    ary.push(it)
+  }
+  return ary
+}
+
+// copy of test in pzp-sync, but that doesn't test if it works with gc enabled
+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 aliceID = await p(alice.db.account.create)({
+    subdomain: 'account',
+    _nonce: 'alice',
+  })
+  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
+    }
+  })
+
+  await p(alice.set.load)(aliceID)
+  await p(bob.set.load)(bobID)
+
+  // TODO: do we need to follow each other?
+  assert(await p(alice.set.add)('follows', bobID), 'alice follows bob')
+
+  //bob.goals.set(bobPostsID, 'newest-50')
+  //alice.goals.set(bobPostsID, 'newest-50')
+  // TODO: lower to newest-50, alice then bob
+  // supposedly [myrules, theirrules], do they need to match?
+  await p(alice.conductor.start)(aliceID, [['post@all'], ['post@all']], 64_000_000)
+  await p(bob.conductor.start)(bobID, [['post@all'], ['post@all']], 64_000_000)
+
+  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
+  let tries = 100
+  // 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)
+})
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