feat: add animated components for enhanced UI/UX
- Introduced DrawLine component for drawing animations. - Added LazyRevealImage component for lazy loading images with reveal animations. - Implemented TextDiffuseReveal for animated text reveals with staggered effects. - Created TopProgressBar for a dynamic loading indicator. - Added PointCloud mock for testing animations. - Developed useReducedMotion hook to handle user preferences for reduced motion. - Centralized animation configurations in config.ts for easier management. - Defined animation variants in variants.ts for consistent animation effects. - Established AnimationProvider to supply global animation settings. - Created tests for AnimationProvider and useReducedMotion hook. - Added SVG assets for branding and UI elements. - Documented frontend review plan and hero circuit board animation plan.
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Evandro Fonseca Junior committed
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@@ -0,0 +1,344 @@
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import { render } from "@testing-library/react";
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import CompanyLogos from "./CompanyLogos";
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import fc from "fast-check";
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// Mock framer-motion with configurable useReducedMotion
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let mockReducedMotion = false;
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jest.mock("framer-motion", () => {
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const actual = jest.requireActual("framer-motion");
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return {
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...actual,
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useReducedMotion: () => mockReducedMotion,
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motion: {
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div: ({ children, animate, transition, ...props }: any) => {
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// Capture animation props for testing
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const animationProps = {
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"data-animate": JSON.stringify(animate),
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"data-transition": JSON.stringify(transition),
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};
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return (
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<div {...props} {...animationProps}>
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{children}
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</div>
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);
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},
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},
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};
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});
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describe("Property 4: Reduced Motion Respect", () => {
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afterEach(() => {
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mockReducedMotion = false;
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});
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it("should render static grid layout when reduced motion is enabled", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: For any reduced motion preference, when useReducedMotion() returns true,
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* the CompanyLogos component should render a static grid layout without motion
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* animations. This ensures accessibility compliance with prefers-reduced-motion.
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*/
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fc.assert(
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fc.property(
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fc.boolean(), // Random reduced motion preference
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(shouldReduce) => {
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mockReducedMotion = shouldReduce;
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const { container } = render(<CompanyLogos />);
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// Check for animated motion.div with animation props
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const animatedElements = container.querySelectorAll("[data-animate]");
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// Check for static grid layout
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const staticGrid = container.querySelector(".grid");
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if (shouldReduce) {
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// When reduced motion is enabled:
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// - Should NOT have animated elements
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// - Should have static grid layout
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return animatedElements.length === 0 && staticGrid !== null;
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} else {
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// When reduced motion is disabled:
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// - Should have animated elements
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// - Should NOT have static grid layout
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return animatedElements.length > 0 && staticGrid === null;
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}
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},
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),
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{ numRuns: 100 },
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);
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});
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it("should exclude horizontal scroll animation when reduced motion is enabled", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: For any component render with reduced motion enabled, the horizontal
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* scroll animation (x: [0, '-50%']) should be completely absent. This verifies
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* that motion animations are properly disabled.
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*/
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fc.assert(
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fc.property(
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fc.constant(null), // No random input needed
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() => {
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mockReducedMotion = true;
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const { container } = render(<CompanyLogos />);
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// Check for animation props
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const animatedElements = container.querySelectorAll("[data-animate]");
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let hasScrollAnimation = false;
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animatedElements.forEach((element) => {
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const animateValue = element.getAttribute("data-animate");
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if (animateValue && animateValue !== "undefined") {
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try {
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const props = JSON.parse(animateValue);
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// Check for x animation (horizontal scroll)
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if (props.x !== undefined) {
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hasScrollAnimation = true;
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}
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} catch (e) {
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// Skip invalid JSON
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}
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}
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});
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// Should not have scroll animation when reduced motion is enabled
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return !hasScrollAnimation;
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},
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),
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{ numRuns: 100 },
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);
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});
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it("should display all company logos in both animated and static modes", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: For any reduced motion preference, all company logos should be
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* displayed. The reduced motion preference should only affect the animation
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* style, not the content visibility.
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*/
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fc.assert(
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fc.property(
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fc.boolean(), // Random reduced motion preference
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(shouldReduce) => {
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mockReducedMotion = shouldReduce;
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const { container } = render(<CompanyLogos />);
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// Find all logo images
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const logoImages = container.querySelectorAll('img[alt*="logo"]');
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// Should have at least 5 logos (the original set)
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// In animated mode, we have duplicates, so it will be 10
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// In static mode, we have exactly 5
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if (shouldReduce) {
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return logoImages.length === 5;
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} else {
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return logoImages.length === 10; // Duplicated for infinite scroll
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}
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},
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),
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{ numRuns: 100 },
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);
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});
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it("should maintain accessibility attributes regardless of reduced motion preference", () => {
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/**
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* **Validates: Requirements 3.6, 6.3, 6.2**
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*
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* Property: For any reduced motion preference, all company logo images should
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* maintain proper alt text attributes. Accessibility should not be compromised
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* by the animation mode.
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*/
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fc.assert(
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fc.property(
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fc.boolean(), // Random reduced motion preference
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(shouldReduce) => {
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mockReducedMotion = shouldReduce;
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const { container } = render(<CompanyLogos />);
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// Find all logo images
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const logoImages = container.querySelectorAll("img");
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// Verify we found images
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if (logoImages.length === 0) {
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return false;
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}
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// Check that all images have non-empty alt text
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return Array.from(logoImages).every((img) => {
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const alt = img.getAttribute("alt");
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return alt !== null && alt.trim().length > 0;
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});
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},
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),
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{ numRuns: 100 },
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);
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});
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it("should consistently apply reduced motion across multiple renders", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: For any number of component renders with reduced motion enabled,
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* the static layout should be consistently rendered without animations.
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* This verifies that the reduced motion behavior is stable across re-renders.
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*/
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fc.assert(
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fc.property(
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fc.integer({ min: 1, max: 5 }), // Test 1-5 renders
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(numRenders) => {
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mockReducedMotion = true;
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let allRendersValid = true;
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for (let i = 0; i < numRenders; i++) {
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const { container, unmount } = render(<CompanyLogos />);
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// Check for animated elements
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const animatedElements =
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container.querySelectorAll("[data-animate]");
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// Check for static grid
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const staticGrid = container.querySelector(".grid");
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// Should have no animations and should have static grid
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if (animatedElements.length > 0 || staticGrid === null) {
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allRendersValid = false;
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}
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unmount();
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}
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return allRendersValid;
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},
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),
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{ numRuns: 100 },
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);
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});
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it("should use grid layout classes when reduced motion is enabled", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: When reduced motion is enabled, the component should use CSS grid
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* layout classes (grid, grid-cols-*) to display logos in a static arrangement.
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* This ensures proper visual presentation without animation.
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*/
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fc.assert(
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fc.property(fc.constant(null), () => {
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mockReducedMotion = true;
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const { container } = render(<CompanyLogos />);
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// Check for grid layout classes
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const gridContainer = container.querySelector(".grid");
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if (!gridContainer) {
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return false;
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}
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// Verify grid has responsive column classes
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const hasGridCols = gridContainer.className.includes("grid-cols-");
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return hasGridCols;
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}),
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{ numRuns: 100 },
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);
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});
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it("should not have infinite repeat transition when reduced motion is enabled", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: When reduced motion is enabled, the component should not have
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* transition configurations with infinite repeat. This ensures no continuous
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* motion occurs when users prefer reduced motion.
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*/
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fc.assert(
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fc.property(fc.constant(null), () => {
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mockReducedMotion = true;
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const { container } = render(<CompanyLogos />);
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// Check for transition props
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const elementsWithTransition =
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container.querySelectorAll("[data-transition]");
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let hasInfiniteRepeat = false;
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elementsWithTransition.forEach((element) => {
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const transitionValue = element.getAttribute("data-transition");
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if (transitionValue && transitionValue !== "undefined") {
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try {
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const props = JSON.parse(transitionValue);
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// Check for infinite repeat
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if (props.repeat === Infinity || props.repeat === "Infinity") {
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hasInfiniteRepeat = true;
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}
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} catch (e) {
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// Skip invalid JSON
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}
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}
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});
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// Should not have infinite repeat when reduced motion is enabled
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return !hasInfiniteRepeat;
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}),
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{ numRuns: 100 },
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);
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});
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it("should switch between animated and static modes based on reduced motion preference", () => {
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/**
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* **Validates: Requirements 3.6, 6.3**
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*
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* Property: The component should render different layouts based on the reduced
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* motion preference. When the preference changes, the component should adapt
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* accordingly. This verifies the conditional rendering logic.
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*/
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fc.assert(
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fc.property(
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fc.array(fc.boolean(), { minLength: 2, maxLength: 5 }), // Sequence of preference changes
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(preferenceSequence) => {
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let allTransitionsValid = true;
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preferenceSequence.forEach((shouldReduce) => {
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mockReducedMotion = shouldReduce;
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const { container, unmount } = render(<CompanyLogos />);
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const hasAnimations =
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container.querySelectorAll("[data-animate]").length > 0;
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const hasStaticGrid = container.querySelector(".grid") !== null;
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// Verify correct mode is rendered
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if (shouldReduce) {
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if (hasAnimations || !hasStaticGrid) {
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allTransitionsValid = false;
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}
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} else {
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if (!hasAnimations || hasStaticGrid) {
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allTransitionsValid = false;
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}
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}
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unmount();
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});
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return allTransitionsValid;
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},
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),
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{ numRuns: 100 },
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);
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});
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});
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