import { MOCK_POLYGON } from '../mockPolygon';
import { isValidPolygon } from './validators';

describe('isValidPolygon', () => {
    it('should emit false if the polygon has less than 4 points', () => {
        expect(isValidPolygon(MOCK_POLYGON.slice(0, 3))).toBeFalsy();
    });

    it('should emit false if the polygon is not closed', () => {
        expect(isValidPolygon(MOCK_POLYGON.slice(0, 10))).toBeFalsy();
    });

    it('should emit true if the polygon is closed and has 4 points', () => {
        expect(isValidPolygon([MOCK_POLYGON[0], MOCK_POLYGON[1], MOCK_POLYGON[2], MOCK_POLYGON[0]])).toBeTruthy();
    });

    it('should emit true if the polygon is closed and has more than 3 points', () => {
        expect(isValidPolygon(MOCK_POLYGON)).toBeTruthy();
    });
});