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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Property Test: Theme Consistency</title>
<link rel="stylesheet" href="../static/css/design-tokens.css">
<style>
body {
font-family: 'Inter', sans-serif;
background: #0f172a;
color: #f1f5f9;
padding: 2rem;
line-height: 1.6;
}
.test-container {
max-width: 1200px;
margin: 0 auto;
}
.test-header {
border-bottom: 2px solid rgba(99, 102, 241, 0.3);
padding-bottom: 1rem;
margin-bottom: 2rem;
}
.test-section {
background: rgba(255, 255, 255, 0.05);
border: 1px solid rgba(255, 255, 255, 0.1);
border-radius: 1rem;
padding: 1.5rem;
margin-bottom: 1.5rem;
}
.test-result {
padding: 1rem;
border-radius: 0.5rem;
margin: 0.5rem 0;
}
.test-pass {
background: rgba(16, 185, 129, 0.1);
border-left: 4px solid #10b981;
color: #34d399;
}
.test-fail {
background: rgba(239, 68, 68, 0.1);
border-left: 4px solid #ef4444;
color: #f87171;
}
.test-info {
background: rgba(59, 130, 246, 0.1);
border-left: 4px solid #3b82f6;
color: #60a5fa;
}
.property-list {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
gap: 0.5rem;
margin-top: 1rem;
}
.property-item {
background: rgba(255, 255, 255, 0.03);
padding: 0.5rem;
border-radius: 0.25rem;
font-family: monospace;
font-size: 0.875rem;
}
.contrast-test {
display: flex;
align-items: center;
gap: 1rem;
padding: 1rem;
margin: 0.5rem 0;
border-radius: 0.5rem;
}
.color-swatch {
width: 60px;
height: 60px;
border-radius: 0.5rem;
border: 2px solid rgba(255, 255, 255, 0.2);
}
.summary {
background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
border: 2px solid rgba(99, 102, 241, 0.3);
border-radius: 1rem;
padding: 2rem;
text-align: center;
margin-top: 2rem;
}
.summary h2 {
margin: 0 0 1rem 0;
font-size: 2rem;
}
code {
background: rgba(0, 0, 0, 0.3);
padding: 0.2rem 0.4rem;
border-radius: 0.25rem;
font-family: monospace;
}
</style>
</head>
<body>
<div class="test-container">
<div class="test-header">
<h1>🧪 Property-Based Test: Theme Consistency</h1>
<p><strong>Feature:</strong> admin-ui-modernization, Property 1</p>
<p><strong>Validates:</strong> Requirements 1.4, 5.3, 14.3</p>
<p><strong>Property:</strong> For any theme mode (light/dark), all CSS custom properties should be defined and color contrast ratios should meet WCAG AA standards (4.5:1 for normal text, 3:1 for large text)</p>
</div>
<div id="test-results"></div>
<div class="summary" id="summary"></div>
</div>
<script>
/**
* Property-Based Test for Theme Consistency
* Feature: admin-ui-modernization, Property 1: Theme consistency
* Validates: Requirements 1.4, 5.3, 14.3
*/
const WCAG_AA_NORMAL_TEXT = 4.5;
const WCAG_AA_LARGE_TEXT = 3.0;
// Required CSS custom properties
const REQUIRED_PROPERTIES = [
'color-primary', 'color-accent', 'color-success', 'color-warning', 'color-error',
'bg-primary', 'bg-secondary', 'text-primary', 'text-secondary',
'glass-bg', 'glass-border', 'border-color',
'gradient-primary', 'gradient-glass',
'font-family-primary', 'font-size-base', 'font-weight-normal',
'line-height-normal', 'letter-spacing-normal',
'spacing-xs', 'spacing-sm', 'spacing-md', 'spacing-lg', 'spacing-xl',
'shadow-sm', 'shadow-md', 'shadow-lg',
'blur-sm', 'blur-md', 'blur-lg',
'transition-fast', 'transition-base', 'ease-in-out'
];
// Text/background combinations to test
const CONTRAST_TESTS = [
{ text: 'text-primary', bg: 'bg-primary', name: 'Primary Text on Primary Background' },
{ text: 'text-secondary', bg: 'bg-primary', name: 'Secondary Text on Primary Background' },
{ text: 'text-primary', bg: 'bg-secondary', name: 'Primary Text on Secondary Background' }
];
/**
* Calculate relative luminance
*/
function getLuminance(r, g, b) {
const [rs, gs, bs] = [r, g, b].map(c => {
c = c / 255;
return c <= 0.03928 ? c / 12.92 : Math.pow((c + 0.055) / 1.055, 2.4);
});
return 0.2126 * rs + 0.7152 * gs + 0.0722 * bs;
}
/**
* Calculate contrast ratio
*/
function getContrastRatio(color1, color2) {
const lum1 = getLuminance(color1.r, color1.g, color1.b);
const lum2 = getLuminance(color2.r, color2.g, color2.b);
const lighter = Math.max(lum1, lum2);
const darker = Math.min(lum1, lum2);
return (lighter + 0.05) / (darker + 0.05);
}
/**
* Parse color string to RGB
*/
function parseColor(colorStr) {
const div = document.createElement('div');
div.style.color = colorStr;
document.body.appendChild(div);
const computed = window.getComputedStyle(div).color;
document.body.removeChild(div);
const match = computed.match(/rgba?\((\d+),\s*(\d+),\s*(\d+)/);
if (match) {
return {
r: parseInt(match[1]),
g: parseInt(match[2]),
b: parseInt(match[3])
};
}
return null;
}
/**
* Get CSS custom property value
*/
function getCSSProperty(propertyName, theme = 'dark') {
const testElement = document.createElement('div');
testElement.setAttribute('data-theme', theme);
document.body.appendChild(testElement);
const value = window.getComputedStyle(testElement).getPropertyValue(`--${propertyName}`).trim();
document.body.removeChild(testElement);
return value;
}
/**
* Test 1: Check if all required properties are defined
*/
function testRequiredProperties() {
const results = {
dark: { defined: [], missing: [] },
light: { defined: [], missing: [] }
};
['dark', 'light'].forEach(theme => {
REQUIRED_PROPERTIES.forEach(prop => {
const value = getCSSProperty(prop, theme);
if (value && value !== '') {
results[theme].defined.push(prop);
} else {
results[theme].missing.push(prop);
}
});
});
return results;
}
/**
* Test 2: Check contrast ratios
*/
function testContrastRatios() {
const results = {
dark: [],
light: []
};
['dark', 'light'].forEach(theme => {
CONTRAST_TESTS.forEach(test => {
const textColor = getCSSProperty(test.text, theme);
const bgColor = getCSSProperty(test.bg, theme);
if (textColor && bgColor) {
const textRgb = parseColor(textColor);
const bgRgb = parseColor(bgColor);
if (textRgb && bgRgb) {
const ratio = getContrastRatio(textRgb, bgRgb);
const passes = ratio >= WCAG_AA_NORMAL_TEXT;
results[theme].push({
name: test.name,
textColor,
bgColor,
textRgb,
bgRgb,
ratio: ratio.toFixed(2),
passes,
required: WCAG_AA_NORMAL_TEXT
});
}
}
});
});
return results;
}
/**
* Test 3: Property-based test with random theme switches
*/
function testThemeSwitching(iterations = 100) {
const failures = [];
for (let i = 0; i < iterations; i++) {
const theme = i % 2 === 0 ? 'dark' : 'light';
// Check a random subset of properties
const propsToCheck = REQUIRED_PROPERTIES.slice(0, 5 + Math.floor(Math.random() * 5));
for (const prop of propsToCheck) {
const value = getCSSProperty(prop, theme);
if (!value || value === '') {
failures.push({
iteration: i + 1,
theme,
property: prop
});
}
}
}
return failures;
}
/**
* Render test results
*/
function renderResults() {
const resultsContainer = document.getElementById('test-results');
let html = '';
let allPassed = true;
// Test 1: Required Properties
html += '<div class="test-section">';
html += '<h2>Test 1: Required CSS Custom Properties</h2>';
const propResults = testRequiredProperties();
['dark', 'light'].forEach(theme => {
const themeName = theme.charAt(0).toUpperCase() + theme.slice(1);
const passed = propResults[theme].missing.length === 0;
if (!passed) allPassed = false;
html += `<div class="test-result ${passed ? 'test-pass' : 'test-fail'}">`;
html += `<strong>${themeName} Theme:</strong> `;
if (passed) {
html += `✓ All ${propResults[theme].defined.length} required properties defined`;
} else {
html += `✗ Missing ${propResults[theme].missing.length} properties: `;
html += `<code>${propResults[theme].missing.join(', ')}</code>`;
}
html += '</div>';
});
html += '</div>';
// Test 2: Contrast Ratios
html += '<div class="test-section">';
html += '<h2>Test 2: WCAG AA Contrast Ratios</h2>';
const contrastResults = testContrastRatios();
['dark', 'light'].forEach(theme => {
const themeName = theme.charAt(0).toUpperCase() + theme.slice(1);
html += `<h3>${themeName} Theme</h3>`;
contrastResults[theme].forEach(result => {
if (!result.passes) allPassed = false;
html += `<div class="contrast-test" style="background: ${result.bgColor}; color: ${result.textColor};">`;
html += `<div class="color-swatch" style="background: ${result.textColor};"></div>`;
html += `<div class="color-swatch" style="background: ${result.bgColor};"></div>`;
html += '<div>';
html += `<strong>${result.name}</strong><br>`;
html += `Ratio: <strong>${result.ratio}:1</strong> `;
html += result.passes
? '<span style="color: #34d399;">✓ PASS</span>'
: `<span style="color: #f87171;">✗ FAIL (required: ${result.required}:1)</span>`;
html += `<br><small>Text: ${result.textColor} | Background: ${result.bgColor}</small>`;
html += '</div>';
html += '</div>';
});
});
html += '</div>';
// Test 3: Theme Switching
html += '<div class="test-section">';
html += '<h2>Test 3: Property-Based Theme Switching (100 iterations)</h2>';
const switchingFailures = testThemeSwitching(100);
const switchingPassed = switchingFailures.length === 0;
if (!switchingPassed) allPassed = false;
html += `<div class="test-result ${switchingPassed ? 'test-pass' : 'test-fail'}">`;
if (switchingPassed) {
html += '✓ All 100 random theme switches maintained property consistency';
} else {
html += `✗ Found ${switchingFailures.length} failures across 100 iterations<br>`;
html += '<small>First 5 failures:</small><br>';
switchingFailures.slice(0, 5).forEach(failure => {
html += `<small>Iteration ${failure.iteration} (${failure.theme}): Missing property <code>${failure.property}</code></small><br>`;
});
}
html += '</div>';
html += '</div>';
resultsContainer.innerHTML = html;
// Summary
const summary = document.getElementById('summary');
if (allPassed) {
summary.innerHTML = `
<h2 style="color: #34d399;">✓ ALL TESTS PASSED</h2>
<p>Theme consistency property is satisfied.</p>
<p>All CSS custom properties are properly defined and contrast ratios meet WCAG AA standards.</p>
`;
summary.style.background = 'linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2))';
summary.style.borderColor = 'rgba(16, 185, 129, 0.3)';
} else {
summary.innerHTML = `
<h2 style="color: #f87171;">✗ SOME TESTS FAILED</h2>
<p>Theme consistency property is NOT satisfied.</p>
<p>Please review the failures above and update the design tokens accordingly.</p>
`;
summary.style.background = 'linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(236, 72, 153, 0.2))';
summary.style.borderColor = 'rgba(239, 68, 68, 0.3)';
}
}
// Run tests when page loads
window.addEventListener('DOMContentLoaded', renderResults);
</script>
</body>
</html>
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