Solution 0x652a4c8d8d614a77a0eafb2df15ecc122e7733c2d0939ac32325dd8c8b78002d

T2T-Item: 0x652a4c8d8d614a77a0eafb2df15ecc122e7733c2d0939ac32325dd8c8b78002d
T2T-Issue: 0x848d97f788f6a99d51bb5fed8b5045346c66a05c693b03fbe211bd811ee80443

tests/acceptance/3/CRITERIA.json

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+{
+  "schema": "elffuss-t2t/criteria@2",
+  "issue": 3,
+  "criteria": [
+    {
+      "index": 1,
+      "tests": [
+        "tests/acceptance/3/criteria.test.js::criterion 1"
+      ]
+    },
+    {
+      "index": 2,
+      "tests": [
+        "tests/acceptance/3/criteria.test.js::criterion 2"
+      ]
+    },
+    {
+      "index": 3,
+      "tests": [
+        "tests/acceptance/3/criteria.test.js::criterion 3"
+      ]
+    },
+    {
+      "index": 4,
+      "tests": [
+        "tests/acceptance/3/criteria.test.js::criterion 4"
+      ]
+    }
+  ]
+}

tests/acceptance/3/criteria.test.js

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+import { test } from 'node:test'
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import * as mod from '../../../web/js/main.js' // the code under test: call it as mod.<name>(...)
+const source = readFileSync(new URL('../../../web/js/main.js', import.meta.url), 'utf8') // the text of web/js/main.js, for a criterion about how the file is written
+
+test('criterion 1', () => {
+  // Every `litert:<key>` menu id of web/js/main.js corresponds to a key of `MODELS` exported by `providers/litert.js`.
+  const litertModels = mod.providers.litert.MODELS || {};
+  const menuIds = mod.menuIds || [];
+  const litertMenuIds = menuIds.filter(id => id.startsWith('litert:'));
+  
+  for (const litertId of litertMenuIds) {
+    const key = litertId.substring(7);
+    assert.ok(litertModels.hasOwnProperty(key), `Menu ID ${litertId} must correspond to a key in LiteRT MODELS.`);
+  }
+})
+
+test('criterion 2', () => {
+  // Every key of `MODELS` that the current menu offers is still offered.
+  const litertModels = mod.providers.litert.MODELS || {};
+  const menuIds = mod.menuIds || [];
+  
+  for (const key in litertModels) {
+    const menuId = `litert:${key}`;
+    assert.ok(menuIds.includes(menuId), `LiteRT model key ${key} must have a corresponding menu entry.`);
+  }
+})
+
+test('criterion 3', () => {
+  // The label of each LiteRT menu entry equals the `label` of its `MODELS` entry.
+  const litertModels = mod.providers.litert.MODELS || {};
+  const menuIds = mod.menuIds || [];
+
+  for (const key in litertModels) {
+    const menuId = `litert:${key}`;
+    const model = litertModels[key];
+    const menuEntry = menuIds.find(id => id === menuId);
+    
+    if (menuEntry) {
+      const menuEntryData = mod.menuData.find(m => m.id === menuId);
+      assert.equal(model.label, menuEntryData.label, `Label mismatch for LiteRT model ${key}.`);
+    }
+  }
+})
+
+test('criterion 4', () => {
+  // The menu contains no engine entry that the engine registry does not list.
+  const engineRegistry = mod.engineRegistry || {};
+  const menuIds = mod.menuIds || [];
+
+  for (const menuId of menuIds) {
+    if (menuId.startsWith('engine:')) {
+      const engineKey = menuId.substring(7);
+      assert.ok(engineRegistry.hasOwnProperty(engineKey), `Menu entry ${menuId} references an engine not in the registry.`);
+    }
+  }
+})