Add failing test

GoogleChrome · Jan 24, 2024 · f2e08f5 · f2e08f5
1 parent 650e007
commit f2e08f5
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Showing 2 changed files with 34 additions and 2 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/tests/lib/traverse.js b/tests/lib/traverse.js
@@ -152,6 +152,37 @@ test('expandFunctionParams returns', t => {
 
 });
 
+test('expandFunctionParams returns_async does_not_support_promises', t => {
+  const filter = () => true;
+  const tc = new traverse.TraverseContext(filter);
+
+  /** @type {chromeTypes.TypeSpec} */
+  const returnsAsyncFunction = {
+    type: 'function',
+    parameters: [
+      { type: 'string', name: 's' },
+    ],
+    returns_async: {
+      name: 'callback',
+      type: 'function',
+      does_not_support_promises: 'For testing',
+      parameters: [{ type: 'number', name: 'whatever' }],
+    },
+  };
+
+  const returnsAsyncFunctionExpansions = tc.expandFunctionParams(
+    cloneObject(returnsAsyncFunction),
+    'api:test',
+  );
+  // Since this does not support promises, we expect to only get the callback signature.
+  t.deepEqual(returnsAsyncFunctionExpansions, [
+    [
+      { type: 'void', name: 'return' },
+      { type: 'string', name: 's' },
+      expectedOptionalReturnsAsync,
+    ]
+  ]);
+});
 
 test('expandFunctionParams returns_async', t => {
   const filter = () => true;
@@ -198,6 +229,7 @@ test('expandFunctionParams returns_async', t => {
 });
 
 
+
 test('filter', t => {
   /** @type {(spec: chromeTypes.TypeSpec, id: string) => boolean} */
   const filter = (spec, id) => {