feat: Initial clean release of CHM

packages/lib/htmlUtils2.test.ts

@@ -0,0 +1,88 @@
+import htmlUtils from './htmlUtils';
+
+describe('htmlUtils2', () => {
+
+
+
+	it('should extract image URLs', (async () => {
+		const testCases = [
+			['<img src="http://test.com/img.png"/>', ['http://test.com/img.png']],
+			['<img src="http://test.com/img.png"/> <img src="http://test.com/img2.png"/>', ['http://test.com/img.png', 'http://test.com/img2.png']],
+			['<img src="http://test.com/img.png" alt="testing"  >', ['http://test.com/img.png']],
+			['<img src=""/> <img src="http://test.com/img2.png"/>', ['http://test.com/img2.png']],
+			['nothing here', []],
+			['', []],
+		];
+
+		for (let i = 0; i < testCases.length; i++) {
+			const md = testCases[i][0] as string;
+			const expected = testCases[i][1] as string[];
+
+			expect(htmlUtils.extractImageUrls(md).join(' ')).toBe(expected.join(' '));
+		}
+	}));
+
+	it('should replace image URLs', (async () => {
+		const testCases = [
+			['<img src="http://test.com/img.png"/>', ['http://other.com/img2.png'], '<img src="http://other.com/img2.png"/>'],
+			['<img src="http://test.com/img.png"/> <img src="http://test.com/img2.png"/>', ['http://other.com/img2.png', 'http://other.com/img3.png'], '<img src="http://other.com/img2.png"/> <img src="http://other.com/img3.png"/>'],
+			['<img src="http://test.com/img.png" alt="testing"  >', ['http://other.com/img.png'], '<img src="http://other.com/img.png" alt="testing"  >'],
+		];
+
+		const callback = (urls: string[]) => {
+			let i = -1;
+
+			return function(_src: string) {
+				i++;
+				return urls[i];
+			};
+		};
+
+		for (let i = 0; i < testCases.length; i++) {
+			const md = testCases[i][0] as string;
+			const r = htmlUtils.replaceImageUrls(md, callback(testCases[i][1] as string[]));
+			expect(r.trim()).toBe((testCases[i][2] as string).trim());
+		}
+	}));
+
+	it('should encode attributes', (async () => {
+		const testCases = [
+			[{ a: 'one', b: 'two' }, 'a="one" b="two"'],
+			[{ a: 'one&two' }, 'a="one&amp;two"'],
+		];
+
+		for (let i = 0; i < testCases.length; i++) {
+			const attrs = testCases[i][0] as Record<string, string>;
+			const expected = testCases[i][1];
+			expect(htmlUtils.attributesHtml(attrs)).toBe(expected);
+		}
+	}));
+
+	it('should prepend a base URL', (async () => {
+		const testCases = [
+			[
+				'<a href="a.html">Something</a>',
+				'http://test.com',
+				'<a href="http://test.com/a.html">Something</a>',
+			],
+			[
+				'<a href="a.html">a</a> <a href="b.html">b</a>',
+				'http://test.com',
+				'<a href="http://test.com/a.html">a</a> <a href="http://test.com/b.html">b</a>',
+			],
+			[
+				'<a href="a.html">a</a> <a href="b.html">b</a>',
+				'http://test.com',
+				'<a href="http://test.com/a.html">a</a> <a href="http://test.com/b.html">b</a>',
+			],
+		];
+
+		for (let i = 0; i < testCases.length; i++) {
+			const html = testCases[i][0];
+			const baseUrl = testCases[i][1];
+			const expected = testCases[i][2];
+			expect(htmlUtils.prependBaseUrl(html, baseUrl)).toBe(expected);
+		}
+	}));
+
+});