From 6f6255d9e836ad1fb0d1ae1febc5d8ba3a20a87c Mon Sep 17 00:00:00 2001
From: Yakov Tchenak <yakov_tchenak@bmc.com>
Date: Sat, 1 Feb 2025 18:19:29 +0200
Subject: [PATCH] fix: support signal model output

---
 .../src/lib/common/func.directive-io-parse.ts |  4 ++
 tests/issue-10942/test.spec.ts                | 46 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 tests/issue-10942/test.spec.ts

diff --git a/libs/ng-mocks/src/lib/common/func.directive-io-parse.ts b/libs/ng-mocks/src/lib/common/func.directive-io-parse.ts
index d818160139..e2a8c59c61 100644
--- a/libs/ng-mocks/src/lib/common/func.directive-io-parse.ts
+++ b/libs/ng-mocks/src/lib/common/func.directive-io-parse.ts
@@ -8,6 +8,10 @@ export default function (param: DirectiveIo): DirectiveIoParsed {
       return { name };
     }
 
+    if (name + 'Change' === alias) {
+      return { name: alias }; // model output
+    }
+
     return { name, alias };
   }
 
diff --git a/tests/issue-10942/test.spec.ts b/tests/issue-10942/test.spec.ts
new file mode 100644
index 0000000000..006fc42cf3
--- /dev/null
+++ b/tests/issue-10942/test.spec.ts
@@ -0,0 +1,46 @@
+import {
+  Component,
+  model,
+  NO_ERRORS_SCHEMA,
+  signal,
+} from '@angular/core';
+import { TestBed } from '@angular/core/testing';
+
+import { MockBuilder, ngMocks } from 'ng-mocks';
+
+@Component({
+  selector: 'app-signal',
+  ['standalone' as never /* TODO: remove after upgrade to a14 */]:
+    true,
+  template: ``,
+})
+export class SignalComponent {
+  model = model('');
+}
+@Component({
+  imports: [SignalComponent],
+  ['standalone' as never /* TODO: remove after upgrade to a14 */]:
+    true,
+  schemas: [NO_ERRORS_SCHEMA], // TODO: remove after upgrade to a16
+  template: `
+    <h1>{{ title() }}</h1>
+    <app-signal [(model)]="title"></app-signal>
+  `,
+})
+export class TargetComponent {
+  title = signal('test-default');
+}
+
+describe('issue-10942', () => {
+  beforeEach(() => MockBuilder(TargetComponent));
+
+  it('issue-10942', () => {
+    const fixture = TestBed.createComponent(TargetComponent);
+    fixture.detectChanges();
+    ngMocks.output('app-signal', 'modelChange').emit('test-new');
+    fixture.detectChanges();
+    expect(ngMocks.find('h1').nativeElement.innerHTML).toEqual(
+      'test-new',
+    );
+  });
+});