tdpeuter/2025SELab2-project-Dwengo
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feat: test toegevoegd base64

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Gabriellvl 2025-03-01 19:40:52 +01:00
parent 7d78cd1440
commit f62baae90f
5 changed files with 78 additions and 0 deletions
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frontend/public/base64Sample.txt Normal file
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frontend/public/test-base64-image.html Normal file
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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>Base64 Image Test</title>
<script>
function convertBase64ToImageSrc(base64String) {
return base64String.startsWith("data:image")
? base64String
: `data:image/png;base64,${base64String}`;
}
async function loadImage() {
try {
const response = await fetch('base64Sample.txt');
const base64String = await response.text();
if (!base64String.trim()) {
console.error("❌ No Base64 data found in the file");
return;
}
console.log("📸 Base64 Data (first 50 chars):", base64String.substring(0, 50) + "...");
const imgElement = document.getElementById('imagePreview');
imgElement.src = convertBase64ToImageSrc(base64String);
imgElement.alt = "Base64 Test Image";
// Handle load event
imgElement.onload = () => {
console.log("✅ Image loaded successfully!");
};
imgElement.onerror = () => {
console.error("❌ Image failed to load!");
};
} catch (error) {
console.error("❌ Error fetching Base64 image:", error);
}
}
window.onload = loadImage;
</script>
</head>
<body>
<h1>Base64 Image Test</h1>
<p>This page will fetch and display a Base64 image from <code>tests/base64.txt</code>.</p>
<img id="imagePreview" src="" alt="Loading image..." width="300">
</body>
</html>

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frontend/utils/base64ToImage.ts → frontend/src/utils/base64ToImage.ts
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frontend/tests/base64/base64Sample.txt Normal file
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frontend/tests/base64/base64ToImage.test.ts Normal file
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import { describe, it, expect, beforeAll } from 'vitest';
import { convertBase64ToImageSrc } from '../../src/utils/base64ToImage.js';
import fs from 'fs';
import path from 'path';
let sampleBase64: string;
beforeAll(() => {
// Load base64 sample from text file
const filePath = path.resolve(__dirname, 'base64Sample.txt');
sampleBase64 = fs.readFileSync(filePath, 'utf8').trim();
});
describe('convertBase64ToImageSrc', () => {
it('should return the same string if it is already a valid data URL', () => {
const base64Image = `data:image/png;base64,${sampleBase64}`;
expect(convertBase64ToImageSrc(base64Image)).toBe(base64Image);
});
it('should correctly format a raw Base64 string as a PNG image URL', () => {
expect(convertBase64ToImageSrc(sampleBase64)).toBe(`data:image/png;base64,${sampleBase64}`);
});
});