Articles rendering system

test/renderer.test.js

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+/* jshint -W117 */
+const fs = require('fs');
+const path = require('path');
+const utils = require('./test_utils');
+
+const dataDir = 'test_data';
+const file = path.join(dataDir, 'test.md');
+
+const config = {
+    'showdown': {
+        'simplifiedAutoLink': true,
+        'smartIndentationFix': true
+    }
+};
+
+const renderer = require('../src/renderer')(config);
+
+beforeEach(() => {
+    utils.deleteFolderSync(dataDir);
+    fs.mkdirSync(dataDir);
+});
+
+afterAll(() => {
+    if (fs.existsSync(dataDir)) {
+        utils.deleteFolderSync(dataDir);
+    }
+});
+
+test('invalid file', (done) => {
+    renderer.render('invalid file', (err, html) => {
+        expect(err).not.toBeNull();
+        expect(html).not.toBeDefined();
+        done();
+    });
+});
+
+test('normal file', (done) => {
+    fs.writeFileSync(file, `# Hello`);
+    renderer.render(file, (err, html) => {
+        expect(err).toBeNull();
+        expect(html).toBe('<h1 id="hello">Hello</h1>');
+        done();
+    });
+});
+
+test('custom rules', (done) => {
+    fs.writeFileSync(file, `www.google.com`);
+    renderer.render(file, (err, html) => {
+        expect(err).toBeNull();
+        expect(html).toBe('<p><a href="http://www.google.com">www.google.com</a></p>');
+        done();
+    });
+});