75 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* global describe it expect beforeEach */
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const simpleAST = require('../__fixtures__/ast-simple.json');
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const mockVideoAST = require('../__fixtures__/ast-video-challenge.json');
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// eslint-disable-next-line max-len
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const videoOutOfOrderAST = require('../__fixtures__/ast-video-out-of-order.json');
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const addVideoQuestion = require('./add-video-question');
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describe('add-video-question plugin', () => {
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  const plugin = addVideoQuestion();
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  let file = { data: {} };
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  beforeEach(() => {
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    file = { data: {} };
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  });
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  it('returns a function', () => {
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    expect(typeof plugin).toEqual('function');
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  });
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  it('adds a `question` property to `file.data`', () => {
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    plugin(mockVideoAST, file);
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    expect('question' in file.data).toBe(true);
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  });
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  it('should generate a question object from a video challenge AST', () => {
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    expect.assertions(8);
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    plugin(mockVideoAST, file);
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    const testObject = file.data.question;
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    expect(Object.keys(testObject).length).toBe(3);
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    expect(testObject).toHaveProperty('text');
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    expect(typeof testObject.text).toBe('string');
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    expect(testObject).toHaveProperty('solution');
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    expect(typeof testObject.solution).toBe('number');
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    expect(testObject).toHaveProperty('answers');
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    expect(Array.isArray(testObject.answers)).toBe(true);
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    expect(typeof testObject.answers[0]).toBe('string');
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  });
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  it('should convert question and answer markdown into html', () => {
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    plugin(mockVideoAST, file);
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    const testObject = file.data.question;
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    expect(Object.keys(testObject).length).toBe(3);
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    expect(testObject.text).toBe(
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      '<p>Question line 1</p>\n' +
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        `<pre><code class="language-js">  var x = 'y';\n` +
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        '</code></pre>'
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    );
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    expect(testObject.solution).toBe(3);
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    expect(testObject.answers[0]).toBe('<p>Some inline <code>code</code></p>');
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    expect(testObject.answers[1]).toBe(`<p>Some <em>italics</em></p>
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<p>A second answer paragraph.</p>`);
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    expect(testObject.answers[2]).toBe(
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      '<p><code> code in </code> code tags</p>'
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    );
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  });
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  // TODO: consider testing for more specific messages.  Ideally we them to say
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  // 'The md is missing "x"', so it's obvious how to fix things.
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  it('should throw if the subheadings are outside the question heading', () => {
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    expect.assertions(1);
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    expect(() => plugin(videoOutOfOrderAST)).toThrow();
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  });
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  it('should NOT throw if there is no question', () => {
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    expect.assertions(1);
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    expect(() => plugin(simpleAST)).not.toThrow();
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  });
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  it('should match the video snapshot', () => {
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    plugin(mockVideoAST, file);
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    expect(file.data).toMatchSnapshot();
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  });
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});
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