MWPW-166002 | [MEP] Use Target served version of manifest in prod when Target experience is chosen

libs/features/personalization/personalization.js

@@ -967,10 +967,11 @@ function compareExecutionOrder(a, b) {
   return a.executionOrder > b.executionOrder ? 1 : -1;
 }
 
-export function cleanAndSortManifestList(manifests) {
-  const config = getConfig();
+export function cleanAndSortManifestList(manifests, conf) {
+  const config = conf ?? getConfig();
   const manifestObj = {};
   let allManifests = manifests;
+  let targetManifestWinsOverServerManifest = false;
   if (config.mep?.experiments) allManifests = [...manifests, ...config.mep.experiments];
   allManifests.forEach((manifest) => {
     try {
@@ -986,6 +987,12 @@ export function cleanAndSortManifestList(manifests) {
         freshManifest.source = freshManifest.source.concat(fullManifest.source);
         freshManifest.name = fullManifest.name;
         freshManifest.selectedVariantName = fullManifest.selectedVariantName;
+        targetManifestWinsOverServerManifest = config?.env?.name === 'prod' && fullManifest.selectedVariantName.startsWith('target-');
+
+        freshManifest.variants = targetManifestWinsOverServerManifest
+          ? fullManifest.variants
+          : freshManifest.variants;
+
         freshManifest.selectedVariant = freshManifest.variants[freshManifest.selectedVariantName];
         manifestObj[manifest.manifestPath] = freshManifest;
       } else {
@@ -994,9 +1001,8 @@ export function cleanAndSortManifestList(manifests) {
 
       const manifestConfig = manifestObj[manifest.manifestPath];
       const { selectedVariantName, variantNames, placeholderData } = manifestConfig;
+
       if (selectedVariantName && variantNames.includes(selectedVariantName)) {
-        manifestConfig.run = true;
-        manifestConfig.selectedVariantName = selectedVariantName;
         manifestConfig.selectedVariant = manifestConfig.variants[selectedVariantName];
       } else {
         /* c8 ignore next 2 */

test/features/personalization/mocks/manifestLists/two-manifests-one-from-target.json

@@ -12,20 +12,33 @@
                   }
               ],
               "fragments": []
+          },
+          "target-test": {
+              "commands": [
+                  {
+                      "action": "append",
+                      "selector": "section1",
+                      "pageFilter": "",
+                      "target": "https://main--milo--adobecom.hlx.page/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/fragments/test1",
+                      "selectorType": "css"
+                  }
+              ],
+              "fragments": []
           }
       },
       "variantNames": [
-          "all"
+          "all",
+          "target-test"
       ],
       "manifestOverrideName": "",
       "manifestType": "test",
       "executionOrder": "1-2",
       "run": true,
-      "selectedVariantName": "all",
+      "selectedVariantName": "target-test",
       "selectedVariant": {
           "commands": [
               {
-                  "action": "appendtosection",
+                  "action": "append",
                   "selector": "section1",
                   "pageFilter": "",
                   "target": "https://main--milo--adobecom.hlx.page/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/fragments/test",
@@ -34,6 +47,7 @@
           ],
           "fragments": []
       },
+      "source": ["target"],
       "name": "MILO0013 - manifest order",
       "manifest": "https://main--milo--adobecom.hlx.page/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/manifests/test-normal.json",
       "manifestUrl": "https://main--milo--adobecom.hlx.page/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/manifests/test-normal.json",
@@ -52,10 +66,23 @@
                   }
               ],
               "fragments": []
+          },
+          "target-test": {
+              "commands": [
+                  {
+                      "action": "appendtosection",
+                      "selector": "section1",
+                      "pageFilter": "",
+                      "target": "https://main--milo--adobecom.hlx.page/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/fragments/test1",
+                      "selectorType": "css"
+                  }
+              ],
+              "fragments": []
           }
       },
       "variantNames": [
-          "all"
+          "all",
+          "target-test"
       ],
       "manifestOverrideName": "",
       "manifestType": "personalization",
@@ -74,6 +101,7 @@
           ],
           "fragments": []
       },
+      "source": ["pzn"],
       "manifest": "/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/manifests/pzn-normal.json",
       "manifestUrl": "https://main--milo--adobecom.hlx.page/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/manifests/pzn-normal.json",
       "manifestPath": "/drafts/vgoodrich/fragments/2024/q1/mepmanifestorder/manifests/pzn-normal.json"

test/features/personalization/personalization.test.js

@@ -3,7 +3,7 @@ import { readFile } from '@web/test-runner-commands';
 import { assert, stub } from 'sinon';
 import { getConfig, setConfig } from '../../../libs/utils/utils.js';
 import {
-  handleFragmentCommand, applyPers,
+  handleFragmentCommand, applyPers, cleanAndSortManifestList,
   init, matchGlob, createContent, combineMepSources, buildVariantInfo,
 } from '../../../libs/features/personalization/personalization.js';
 import mepSettings from './mepSettings.js';
@@ -396,4 +396,28 @@ describe('MEP Utils', () => {
       expect(manifests[4].manifestPath).to.equal('/mep-param/manifest2.json');
     });
   });
+  describe('cleanAndSortManifestList', async () => {
+    it('chooses server manifest over target manifest if same manifest path', async () => {
+      const config = { env: { name: 'stage' } };
+      let manifests = await readFile({ path: './mocks/manifestLists/two-manifests-one-from-target.json' });
+      manifests = JSON.parse(manifests);
+      manifests[0].manifestPath = 'same path';
+      manifests[1].manifestPath = 'same path';
+      const response = cleanAndSortManifestList(manifests, config);
+      const result = response.find((manifest) => manifest.source.length > 1);
+      expect(result).to.be.not.null;
+      expect(result.selectedVariant.commands[0].action).to.equal('appendtosection');
+    });
+    it('chooses target manifest over server manifest if same manifest path and in production and selected audience is "target-*"', async () => {
+      const config = { env: { name: 'prod' } };
+      let manifests = await readFile({ path: './mocks/manifestLists/two-manifests-one-from-target.json' });
+      manifests = JSON.parse(manifests);
+      manifests[0].manifestPath = 'same path';
+      manifests[1].manifestPath = 'same path';
+      const response = cleanAndSortManifestList(manifests, config);
+      const result = response.find((manifest) => manifest.source.length > 1);
+      expect(result).to.be.not.null;
+      expect(result.selectedVariant.commands[0].action).to.equal('append');
+    });
+  });
 });