lotoss/project-lvl2-s257

import { resolve } from 'path';
import { readFileSync } from 'fs';

import gendiff from '../src';


describe('gendiff tests', () => {
  describe('plain config', () => {
    const beforeJsonPath = resolve(__dirname, './__fixtures__/plain/before.json');
    const afterJsonPath = resolve(__dirname, './__fixtures__/plain/after.json');

    const beforeYamlPath = resolve(__dirname, './__fixtures__/plain/before.yml');
    const afterYamlPath = resolve(__dirname, './__fixtures__/plain/after.yml');

    const beforeIniPath = resolve(__dirname, './__fixtures__/plain/before.ini');
    const afterIniPath = resolve(__dirname, './__fixtures__/plain/after.ini');

    const sameFilesPath = resolve(__dirname, './__fixtures__/plain/same.expect');
    const differentFilesPath = resolve(__dirname, './__fixtures__/plain/different.expect');

    const sameFilesResult = readFileSync(sameFilesPath, 'utf8').trim();
    const differentFilesResult = readFileSync(differentFilesPath, 'utf8').trim();

    describe('compare JSON', () => {
      test('compare same files', () => {
        expect(gendiff(beforeJsonPath, beforeJsonPath)).toBe(sameFilesResult);
      });

      test('compare different files', () => {
        expect(gendiff(beforeJsonPath, afterJsonPath)).toBe(differentFilesResult);
      });
    });

    describe('compare YAML', () => {
      test('compare same files', () => {
        expect(gendiff(beforeYamlPath, beforeYamlPath)).toBe(sameFilesResult);
      });

      test('compare different files', () => {
        expect(gendiff(beforeYamlPath, afterYamlPath)).toBe(differentFilesResult);
      });
    });

    describe('compare INI', () => {
      test('compare same files', () => {
        expect(gendiff(beforeIniPath, beforeIniPath)).toBe(sameFilesResult);
      });

      test('compare different files', () => {
        expect(gendiff(beforeIniPath, afterIniPath)).toBe(differentFilesResult);
      });
    });
  });

  describe('nesting config', () => {
    const beforeJsonPath = resolve(__dirname, './__fixtures__/nesting/before.json');
    const afterJsonPath = resolve(__dirname, './__fixtures__/nesting/after.json');

    const beforeYamlPath = resolve(__dirname, './__fixtures__/nesting/before.yml');
    const afterYamlPath = resolve(__dirname, './__fixtures__/nesting/after.yml');

    const beforeIniPath = resolve(__dirname, './__fixtures__/nesting/before.ini');
    const afterIniPath = resolve(__dirname, './__fixtures__/nesting/after.ini');

    const sameFilesPath = resolve(__dirname, './__fixtures__/nesting/same.expect');
    const differentFilesPath = resolve(__dirname, './__fixtures__/nesting/different.expect');

    const sameFilesResult = readFileSync(sameFilesPath, 'utf8').trim();
    const differentFilesResult = readFileSync(differentFilesPath, 'utf8').trim();

    describe('compare JSON', () => {
      test('compare same files', () => {
        expect(gendiff(beforeJsonPath, beforeJsonPath)).toBe(sameFilesResult);
      });

      test('compare different files', () => {
        expect(gendiff(beforeJsonPath, afterJsonPath)).toBe(differentFilesResult);
      });
    });

    describe('compare YAML', () => {
      test('compare same files', () => {
        expect(gendiff(beforeYamlPath, beforeYamlPath)).toBe(sameFilesResult);
      });

      test('compare different files', () => {
        expect(gendiff(beforeYamlPath, afterYamlPath)).toBe(differentFilesResult);
      });
    });

    describe('compare INI', () => {
      test('compare same files', () => {
        expect(gendiff(beforeIniPath, beforeIniPath)).toBe(sameFilesResult);
      });

      test('compare different files', () => {
        expect(gendiff(beforeIniPath, afterIniPath)).toBe(differentFilesResult);
      });
    });
  });

  describe('plain format', () => {
    const beforeJsonPath = resolve(__dirname, './__fixtures__/nesting/before.json');
    const afterJsonPath = resolve(__dirname, './__fixtures__/nesting/after.json');
    const differentFilesPath = resolve(__dirname, './__fixtures__/nesting/different.plain.expect');
    const differentFilesResult = readFileSync(differentFilesPath, 'utf8').trim();
    test('compare different files with plain output format', () => {
      expect(gendiff(beforeJsonPath, afterJsonPath, 'plain')).toBe(differentFilesResult);
    });
  });

  describe('json format', () => {
    const beforeJsonPath = resolve(__dirname, './__fixtures__/nesting/before.json');
    const afterJsonPath = resolve(__dirname, './__fixtures__/nesting/after.json');
    const differentFilesPath = resolve(__dirname, './__fixtures__/nesting/different.json.expect');
    const differentFilesResult = readFileSync(differentFilesPath, 'utf8').trim();
    test('compare different files with plain output format', () => {
      expect(gendiff(beforeJsonPath, afterJsonPath, 'json')).toBe(JSON.stringify(JSON.parse(differentFilesResult)));
    });
  });
});