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exercism fetch ecmascript rectangles

rectangles.spec.js

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import Rectangles from './rectangles.js';

describe('Rectangles', () => {
  test('no rows', () => {
    const expected = 0;
    const actual = Rectangles.count([]);

    expect(actual).toEqual(expected);
  });

  xtest('no columns', () => {
    const expected = 0;
    const actual = Rectangles.count(['']);

    expect(actual).toEqual(expected);
  });

  xtest('no rectangles', () => {
    const expected = 0;
    const actual = Rectangles.count([' ']);

    expect(actual).toEqual(expected);
  });

  xtest('one rectangle', () => {
    const expected = 1;
    const actual = Rectangles.count([
      '+-+',
      '| |',
      '+-+',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('two rectangles without shared parts', () => {
    const expected = 2;
    const actual = Rectangles.count([
      '  +-+',
      '  | |',
      '+-+-+',
      '| |  ',
      '+-+  ',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('five rectangles with shared parts', () => {
    const expected = 5;
    const actual = Rectangles.count([
      '  +-+',
      '  | |',
      '+-+-+',
      '| | |',
      '+-+-+',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('rectangle of height 1 is counted', () => {
    const expected = 1;
    const actual = Rectangles.count([
      '+--+',
      '+--+',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('rectangle of width 1 is counted', () => {
    const expected = 1;
    const actual = Rectangles.count([
      '++',
      '||',
      '++',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('1x1 square is counted', () => {
    const expected = 1;
    const actual = Rectangles.count([
      '++',
      '++',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('only complete rectangles are counted', () => {
    const expected = 1;
    const actual = Rectangles.count([
      '  +-+',
      '    |',
      '+-+-+',
      '| | -',
      '+-+-+',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('rectangles can be of different sizes', () => {
    const expected = 3;
    const actual = Rectangles.count([
      '+------+----+',
      '|      |    |',
      '+---+--+    |',
      '|   |       |',
      '+---+-------+',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('corner is required for a rectangle to be complete', () => {
    const expected = 2;
    const actual = Rectangles.count([
      '+------+----+',
      '|      |    |',
      '+------+    |',
      '|   |       |',
      '+---+-------+',
    ]);

    expect(actual).toEqual(expected);
  });

  xtest('large input with many rectangles', () => {
    const expected = 60;
    const actual = Rectangles.count([
      '+---+--+----+',
      '|   +--+----+',
      '+---+--+    |',
      '|   +--+----+',
      '+---+--+--+-+',
      '+---+--+--+-+',
      '+------+  | |',
      '          +-+',
    ]);

    expect(actual).toEqual(expected);
  });
});