Add tests for lazy init

CHANGES.txt

@@ -1,4 +1,6 @@
 10.29.0 (September XX, 2024)
+ - Added `factory.getState()` method for standalone server-side SDKs, which returns the rollout plan snapshot from the storage.
+ - Added `preloadedData` configuration option for standalone client-side SDKs, which allows preloading the SDK storage with a snapshot of the rollout plan.
  - Added `factory.destroy()` method, which invokes the `destroy` method on all SDK clients created by the factory.
  - Updated @splitsoftware/splitio-commons package to version 1.18.0 that includes minor updates:
     - Added support for targeting rules based on large segments for browsers.

src/__tests__/nodeSuites/lazy-init.spec.js

@@ -0,0 +1,89 @@
+import { SplitFactory as SplitFactorySS } from '../../factory/node';
+import { SplitFactory as SplitFactoryCS } from '../../factory/browser';
+
+// Tests should finish without dangling timers or requests
+export default function (settings, fetchMock, t) {
+
+  t.test('Server-side', async (assert) => {
+    let splitio;
+
+    for (let i = 0; i < 100; i++) {
+      splitio = SplitFactorySS({
+        core: {
+          authorizationKey: 'fake-token-' + i,
+        },
+        urls: {
+          sdk: 'https://not-called/api',
+          events: 'https://not-called/api',
+          auth: 'https://not-called/api',
+        }
+      }, (modules) => {
+        modules.lazyInit = true;
+      });
+
+      const manager = splitio.manager();
+      assert.deepEqual(manager.names(), [], 'We should not have done any request yet');
+
+      const client = splitio.client();
+      assert.equal(client.getTreatment('user-1', 'split_test'), 'control', 'We should get control');
+      assert.equal(client.track('user-1', 'user', 'my_event'), true, 'We should track the event');
+    }
+
+    fetchMock.getOnce('https://not-called/api/splitChanges?s=1.1&since=-1', { status: 200, body: { splits: [], since: -1, till: 1457552620999 } });
+    fetchMock.getOnce('https://not-called/api/splitChanges?s=1.1&since=1457552620999', { status: 200, body: { splits: [], since: 1457552620999, till: 1457552620999 } });
+    fetchMock.postOnce('https://not-called/api/testImpressions/bulk', 200);
+    fetchMock.postOnce('https://not-called/api/events/bulk', 200);
+
+    splitio.init();
+    await splitio.client().ready();
+    assert.true(splitio.client().__getStatus().isReady, 'Split SDK is ready');
+    await splitio.destroy();
+
+    assert.end();
+  });
+
+  t.test('Client-side', async (assert) => {
+    let splitio;
+
+    for (let i = 0; i < 100; i++) {
+      splitio = SplitFactoryCS({
+        core: {
+          authorizationKey: 'fake-token-' + i,
+          key: 'user-' + i,
+        },
+        urls: {
+          sdk: 'https://not-called/api',
+          events: 'https://not-called/api',
+          auth: 'https://not-called/api',
+        }
+      }, (modules) => {
+        modules.lazyInit = true;
+      });
+
+      const manager = splitio.manager();
+      assert.deepEqual(manager.names(), [], 'We should not have done any request yet');
+
+      const client = splitio.client();
+      assert.equal(client.getTreatment('split_test'), 'control', 'We should get control');
+      assert.equal(client.track('user', 'my_event'), true, 'We should track the event');
+
+      const otherClient = splitio.client('other-user');
+      assert.equal(otherClient.getTreatment('split_test'), 'control', 'We should get control');
+      assert.equal(otherClient.track('user', 'my_event'), true, 'We should track the event');
+    }
+
+    fetchMock.getOnce('https://not-called/api/splitChanges?s=1.2&since=-1', { status: 200, body: { splits: [], since: -1, till: 1457552620999 } });
+    fetchMock.getOnce('https://not-called/api/splitChanges?s=1.2&since=1457552620999', { status: 200, body: { splits: [], since: 1457552620999, till: 1457552620999 } });
+    fetchMock.getOnce('https://not-called/api/memberships/user-99', { status: 200, body: {} });
+    fetchMock.getOnce('https://not-called/api/memberships/other-user', { status: 200, body: {} });
+    fetchMock.postOnce('https://not-called/api/testImpressions/bulk', 200);
+    fetchMock.postOnce('https://not-called/api/events/bulk', 200);
+
+    splitio.init();
+    await splitio.client().ready();
+    assert.true(splitio.client().__getStatus().isReady, 'Split SDK is ready');
+    await splitio.destroy();
+
+    assert.end();
+  });
+}

src/__tests__/online/node.spec.js

@@ -3,6 +3,9 @@ import fetchMock from '../testUtils/nodeFetchMock';
 import { url } from '../testUtils';
 import { settingsFactory } from '../../settings/node';
 
+import splitChangesMock1 from '../mocks/splitchanges.since.-1.json';
+import splitChangesMock2 from '../mocks/splitchanges.since.1457552620999.json';
+
 import evaluationsSuite from '../nodeSuites/evaluations.spec';
 import evaluationsSemverSuite from '../nodeSuites/evaluations-semver.spec';
 import eventsSuite from '../nodeSuites/events.spec';
@@ -18,10 +21,8 @@ import ipAddressesSettingDebug from '../nodeSuites/ip-addresses-setting.debug.sp
 import readinessSuite from '../nodeSuites/readiness.spec';
 import readyPromiseSuite from '../nodeSuites/ready-promise.spec';
 import { fetchSpecificSplits, fetchSpecificSplitsForFlagSets } from '../nodeSuites/fetch-specific-splits.spec';
-
-import splitChangesMock1 from '../mocks/splitchanges.since.-1.json';
-import splitChangesMock2 from '../mocks/splitchanges.since.1457552620999.json';
 import flagSets from '../nodeSuites/flag-sets.spec';
+import lazyInitSuite from '../nodeSuites/lazy-init.spec';
 
 const config = {
   core: {
@@ -94,5 +95,7 @@ tape('## Node JS - E2E CI Tests ##', async function (assert) {
   /* Validate flag sets */
   assert.test('E2E / Flag sets', flagSets.bind(null, fetchMock));
 
+  assert.test('E2E / SplitFactory with lazy init', lazyInitSuite.bind(null, settings, fetchMock));
+
   assert.end();
 });