const matcher = require('./html');

describe('html region-matcher', () => {
  it('should match start annotations', () => {
    let matches;

    matches = matcher.regionStartMatcher.exec('<!-- #docregion A b c -->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');

    matches = matcher.regionStartMatcher.exec('<!--#docregion A b c-->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');

    matches = matcher.regionStartMatcher.exec('<!-- #docregion -->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('');
  });

  it('should match end annotations', () => {
    let matches;

    matches = matcher.regionEndMatcher.exec('<!-- #enddocregion A b c -->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');

    matches = matcher.regionEndMatcher.exec('<!--#enddocregion A b c-->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');

    matches = matcher.regionEndMatcher.exec('<!-- #enddocregion -->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('');
  });

  it('should handle annotations that do not close the comment on the same line', () => {
    let matches;

    matches = matcher.regionStartMatcher.exec('<!-- #docregion A b c');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');
  });

  it('should match plaster annotations', () => {
    let matches;

    matches = matcher.plasterMatcher.exec('<!-- #docplaster A b c -->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');

    matches = matcher.plasterMatcher.exec('<!--#docplaster A b c-->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('A b c');

    matches = matcher.plasterMatcher.exec('<!-- #docplaster -->');
    expect(matches).not.toBeNull();
    expect(matches[1]).toEqual('');
  });

  it('should create a plaster comment', () => {
    expect(matcher.createPlasterComment('... elided ...')).toEqual('<!-- ... elided ... -->');
  });
});