upd: claude

__tests__/ErrorBoundary-test.tsx

@@ -0,0 +1,77 @@
+import React from 'react';
+import { render, fireEvent } from '@testing-library/react-native';
+import ErrorBoundary from '@/components/ErrorBoundary';
+
+// Komponen yang sengaja throw error saat render
+const BrokenComponent = () => {
+  throw new Error('Test error boundary!');
+};
+
+// Komponen normal
+const NormalComponent = () => <></>;
+
+// Suppress React's error boundary console output selama test
+
+beforeEach(() => {
+  jest.spyOn(console, 'error').mockImplementation(() => {});
+});
+
+afterEach(() => {
+  (console.error as jest.Mock).mockRestore();
+});
+
+describe('ErrorBoundary', () => {
+  it('merender children dengan normal jika tidak ada error', () => {
+    // Tidak boleh throw dan tidak menampilkan teks error
+    const { queryByText } = render(
+      <ErrorBoundary>
+        <NormalComponent />
+      </ErrorBoundary>
+    );
+    expect(queryByText('Terjadi Kesalahan')).toBeNull();
+  });
+
+  it('menampilkan UI fallback ketika child throw error', () => {
+    const { getByText } = render(
+      <ErrorBoundary>
+        <BrokenComponent />
+      </ErrorBoundary>
+    );
+    expect(getByText('Terjadi Kesalahan')).toBeTruthy();
+  });
+
+  it('menampilkan pesan error yang dilempar', () => {
+    const { getByText } = render(
+      <ErrorBoundary>
+        <BrokenComponent />
+      </ErrorBoundary>
+    );
+    expect(getByText('Test error boundary!')).toBeTruthy();
+  });
+
+  it('merender custom fallback jika prop fallback diberikan', () => {
+    const { getByText } = render(
+      <ErrorBoundary fallback={<></>}>
+        <BrokenComponent />
+      </ErrorBoundary>
+    );
+    // Custom fallback fragment kosong — pastikan teks default tidak muncul
+    expect(() => getByText('Terjadi Kesalahan')).toThrow();
+  });
+
+  it('mereset error state saat tombol Coba Lagi ditekan', () => {
+    const { getByText } = render(
+      <ErrorBoundary>
+        <BrokenComponent />
+      </ErrorBoundary>
+    );
+
+    const button = getByText('Coba Lagi');
+    expect(button).toBeTruthy();
+
+    // Tekan tombol reset — hasError kembali false, BrokenComponent throw lagi
+    // sehingga fallback muncul kembali (membuktikan reset berjalan)
+    fireEvent.press(button);
+    expect(getByText('Terjadi Kesalahan')).toBeTruthy();
+  });
+});