[Draft] Unit test demoing async failures not reported through the promise

packages/core/src/index.mts

@@ -143,7 +143,7 @@
     hooks.length = 0;
     sessionRl = rl;
 
     // TODO: we should display a loader while we get the default options.
     const resolvedConfig = await getPromptConfig(config);
 
     return new Promise((resolve, reject) => {
@@ -179,18 +179,22 @@
       };
 
       const workLoop = () => {
-        index = 0;
-        hooksEffect.length = 0;
-        handleChange = () => workLoop();
+        try {
+          index = 0;
+          hooksEffect.length = 0;
+          handleChange = () => workLoop();
 
-        const nextView = view(resolvedConfig, done);
-        for (const effect of hooksEffect) {
-          effect();
-        }
+          const nextView = view(resolvedConfig, done);
+          for (const effect of hooksEffect) {
+            effect();
+          }
 
-        const [content, bottomContent] =
-          typeof nextView === 'string' ? [nextView] : nextView;
-        screen.render(content, bottomContent);
+          const [content, bottomContent] =
+            typeof nextView === 'string' ? [nextView] : nextView;
+          screen.render(content, bottomContent);
+        } catch (err) {
+          reject(err);
+        }
       };
 
       workLoop();

packages/input/input.test.mts

@@ -96,6 +96,20 @@ describe('input prompt', () => {
     await expect(answer).resolves.toEqual('2');
   });
 
+  it('handle errors in validation gracefully', async () => {
+    const { answer, events, getScreen } = await render(input, {
+      message: 'Answer 2 ===',
+      validate() {
+        return Promise.reject(new Error('Validation error'));
+      },
+    });
+
+    events.type('1');
+    events.keypress('enter');
+    await expect(answer).rejects.toThrowError('Validation error');
+    expect(getScreen()).toMatchInlineSnapshot();
+  });
+
   it('handle default option', async () => {
     const { answer, events, getScreen } = await render(input, {
       message: 'What is your name',