Merge pull request #22 from zenxol/feature/latex-compatibility

Add unit tests to Latex plugin

Author: marcuswu5

test/plugins-composer-latex.js

@@ -0,0 +1,7 @@
+'use strict';
+
+const path = require('path');
+
+// Run LaTeX plugin unit tests (same pattern as post-fields-logger)
+const pluginTestPath = path.join(__dirname, '../vendor/nodebb-plugin-composer-latex/test/composer-latex.js');
+require(pluginTestPath);

vendor/nodebb-plugin-composer-latex/test/composer-latex.js

@@ -0,0 +1,61 @@
+'use strict';
+
+const assert = require('assert');
+const plugin = require('../library.js');
+
+describe('Composer LaTeX Plugin', () => {
+	describe('registerFormatting', () => {
+		it('should add latex option to formatting payload', async () => {
+			const payload = { options: [] };
+			await plugin.registerFormatting(payload);
+			assert(Array.isArray(payload.options));
+			assert(payload.options.length >= 1);
+			const latexOption = payload.options.find(o => o.name === 'latex');
+			assert(latexOption, 'should have a latex option');
+			assert.strictEqual(latexOption.name, 'latex');
+			assert(latexOption.title);
+			assert.strictEqual(latexOption.className, 'fa fa-superscript');
+			assert(latexOption.visibility);
+			assert.strictEqual(latexOption.visibility.mobile, true);
+			assert.strictEqual(latexOption.visibility.desktop, true);
+		});
+
+		it('should preserve existing options when adding latex', async () => {
+			const payload = { options: [{ name: 'bold' }] };
+			await plugin.registerFormatting(payload);
+			assert(payload.options.some(o => o.name === 'bold'));
+			assert(payload.options.some(o => o.name === 'latex'));
+		});
+
+		it('should create options array if missing', async () => {
+			const payload = {};
+			await plugin.registerFormatting(payload);
+			assert(Array.isArray(payload.options));
+			assert(payload.options.some(o => o.name === 'latex'));
+		});
+	});
+
+	describe('addMathJaxScript', () => {
+		it('should add MathJax script to templateData.useCustomHTML', async () => {
+			const data = { templateData: {} };
+			await plugin.addMathJaxScript(data);
+			assert(data.templateData.useCustomHTML);
+			assert(data.templateData.useCustomHTML.includes('mathjax'));
+			assert(data.templateData.useCustomHTML.includes('script'));
+			assert(data.templateData.useCustomHTML.includes('cdn.jsdelivr.net'));
+		});
+
+		it('should append to existing useCustomHTML if present', async () => {
+			const data = { templateData: { useCustomHTML: '<div>custom</div>' } };
+			await plugin.addMathJaxScript(data);
+			assert(data.templateData.useCustomHTML.includes('<div>custom</div>'));
+			assert(data.templateData.useCustomHTML.includes('mathjax'));
+		});
+
+		it('should do nothing if templateData is missing', async () => {
+			const data = {};
+			await plugin.addMathJaxScript(data);
+			assert.strictEqual(data.templateData, undefined);
+		});
+	});
+});