test(AppTemplate-timezone-boundaries): verify Timezone Normalization & Calendar Data Boundary Alignment (Animation Boundaries)

Author: Mohammedsami001

app/template.timezone-boundaries.test.tsx

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+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { render } from '@testing-library/react';
+import React from 'react';
+import Template from './template';
+
+// Mock framer-motion to easily inspect the boundary properties passed to the wrapper
+vi.mock('framer-motion', () => ({
+  motion: {
+    div: ({
+      children,
+      'data-testid': testId,
+      ...props
+    }: {
+      children?: React.ReactNode;
+      'data-testid'?: string;
+      [key: string]: unknown;
+    }) => (
+      <div data-testid={testId || 'motion-div'} data-motion-props={JSON.stringify(props)}>
+        {children}
+      </div>
+    ),
+  },
+}));
+
+describe('AppTemplate - Timezone Boundaries Equivalent (Animation Boundaries)', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  const getMotionProps = (container: HTMLElement) => {
+    const motionDiv = container.querySelector('[data-testid="motion-div"]');
+    if (!motionDiv) throw new Error('Motion div not found');
+    const propsStr = motionDiv.getAttribute('data-motion-props');
+    return propsStr ? JSON.parse(propsStr) : {};
+  };
+
+  it('Transition Boundaries (Daylight Savings Equivalent): strictly defines transition durations without temporal gaps', () => {
+    const { container } = render(
+      <Template>
+        <span />
+      </Template>
+    );
+    const props = getMotionProps(container);
+
+    expect(props.transition).toBeDefined();
+    expect(props.transition.duration).toBe(0.3);
+    expect(props.transition.ease).toBe('easeInOut');
+  });
+
+  it('Initial State Normalization (Leap Year Gaps Equivalent): applies entry offset boundaries accurately', () => {
+    const { container } = render(
+      <Template>
+        <span />
+      </Template>
+    );
+    const props = getMotionProps(container);
+
+    expect(props.initial).toBeDefined();
+    expect(props.initial.opacity).toBe(0);
+    expect(props.initial.y).toBe(8);
+  });
+
+  it('Active State Alignment (Visual Dates Equivalent): aligns active frame to absolute baseline coordinates', () => {
+    const { container } = render(
+      <Template>
+        <span />
+      </Template>
+    );
+    const props = getMotionProps(container);
+
+    expect(props.animate).toBeDefined();
+    expect(props.animate.opacity).toBe(1);
+    expect(props.animate.y).toBe(0);
+  });
+
+  it('Exit State Offsets (Time Offsets Equivalent): forces exact negative spatial displacement upon exit', () => {
+    const { container } = render(
+      <Template>
+        <span />
+      </Template>
+    );
+    const props = getMotionProps(container);
+
+    expect(props.exit).toBeDefined();
+    expect(props.exit.opacity).toBe(0);
+    expect(props.exit.y).toBe(-8);
+  });
+
+  it('Child Node Preservation (Grid Data Integrity Equivalent): ensures content seamlessly passes through boundary wrappers', () => {
+    const { getByTestId } = render(
+      <Template>
+        <div data-testid="preserved-child">Hello Boundary</div>
+      </Template>
+    );
+
+    const child = getByTestId('preserved-child');
+    expect(child).toBeTruthy();
+    expect(child.textContent).toBe('Hello Boundary');
+  });
+});