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100 lines
2.4 KiB
TypeScript
100 lines
2.4 KiB
TypeScript
import htmlUtils, { extractHtmlBody, htmlDocIsImageOnly, removeWrappingParagraphAndTrailingEmptyElements } from './htmlUtils';
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describe('htmlUtils', () => {
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test('should strip off HTML', () => {
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const testCases = [
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[
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'',
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'',
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],
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[
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'<b>test</b>',
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'test',
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],
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[
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'Joplin®',
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'Joplin®',
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],
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[
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'<b>test</b>',
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'<b>test</b>',
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],
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];
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for (const t of testCases) {
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const [input, expected] = t;
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const actual = htmlUtils.stripHtml(input);
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expect(actual).toBe(expected);
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}
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});
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test('should extract the HTML body', () => {
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const testCases: [string, string][] = [
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[
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'Just <b>testing</b>',
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'Just <b>testing</b>',
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],
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[
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'',
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'',
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],
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[
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'<html><head></head><meta bla><body>Here is the body<img src="test.png"/></body></html>',
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'Here is the body<img src="test.png"/>',
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],
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];
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for (const [input, expected] of testCases) {
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const actual = extractHtmlBody(input);
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expect(actual).toBe(expected);
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}
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});
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test('should tell if an HTML document is an image only', () => {
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const testCases: [string, boolean][] = [
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[
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// This is the kind of HTML that's pasted when copying an image from Chrome
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'<meta charset=\'utf-8\'>\n<img src="https://example.com/img.png"/>',
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true,
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],
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[
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'',
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false,
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],
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[
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'<img src="https://example.com/img.png"/>',
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true,
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],
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[
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'<img src="https://example.com/img.png"/><img src="https://example.com/img.png"/>',
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false,
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],
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[
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'<img src="https://example.com/img.png"/><p>Some text</p>',
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false,
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],
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[
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'<img src="https://example.com/img.png"/> Some text',
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false,
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],
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];
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for (const [input, expected] of testCases) {
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const actual = htmlDocIsImageOnly(input);
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expect(actual).toBe(expected);
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}
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});
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it.each([
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['<p>Test</p><div></div>', 'Test'],
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['<p>Testing</p><p>A test</p>', '<p>Testing</p><p>A test</p>'],
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['<p>Testing</p><hr/>', '<p>Testing</p><hr/>'],
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['<p>Testing</p><div style="border: 2px solid red;"></div>', '<p>Testing</p><div style="border: 2px solid red;"></div>'],
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['<p>Testing</p><style onload=""></style>', 'Testing'],
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['<p>is</p>\n<style onload="console.log(\'test\')"></style>', 'is\n'],
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])('should remove empty elements (case %#)', (before, expected) => {
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expect(removeWrappingParagraphAndTrailingEmptyElements(before)).toBe(expected);
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});
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});
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