test: add svg format validation test

Author: cemlytic

__tests__/svgFormatValidation.test.js

@@ -0,0 +1,26 @@
+const fs = require('fs');
+const path = require('path');
+
+describe('piconss SVG format validation', () => {
+  const themes = ['dark', 'light', 'default'];
+  const iconDir = path.join(__dirname, '../icons');
+
+  const isSvgFormat = (fileContent) => {
+    return fileContent.startsWith('<svg') && fileContent.endsWith('</svg>');
+  };
+
+  themes.forEach((theme) => {
+    const themeDir = path.join(iconDir, theme);
+    test(`should validate all SVG icons in ${theme} theme`, () => {
+      const icons = fs
+        .readdirSync(themeDir)
+        .filter((file) => file.endsWith('.svg'));
+      icons.forEach((icon) => {
+        console.log(`Checking icon: ${icon}`);
+        const iconPath = path.join(themeDir, icon);
+        const content = fs.readFileSync(iconPath, 'utf-8');
+        expect(isSvgFormat(content)).toBe(true);
+      });
+    });
+  });
+});