import { yamlToJson, jsonToYaml } from '../../src/util/yaml';

describe('yamlToJson', () => {
  test('should convert to json', () => {
    const yaml = `
---
one: 1
two: two
`;
    expect(yamlToJson(yaml)).toEqual(`{
  "one": 1,
  "two": "two"
}`);
  });

  test('should remove comments', () => {
    const yaml = `
---
one: 1
# comment
two: two
# comment two
`;
    expect(yamlToJson(yaml)).toEqual(`{
  "one": 1,
  "two": "two"
}`);
  });

  test('should convert empty string to {}', () => {
    expect(yamlToJson('')).toEqual('{}');
  });

  test('should convert null to {}', () => {
    expect(yamlToJson(null)).toEqual('{}');
  });

  test('should convert empty yaml to {}', () => {
    expect(yamlToJson('---')).toEqual('{}');
  });

  test('should throw if invalid yaml given', () => {
    expect(() => yamlToJson('foo')).toThrow();
  });
});

describe('jsonToYaml', () => {
  test('should convert to yaml', () => {
    const json = `{
  "one": 1,
  "two": "two"
}
`;
    expect(jsonToYaml(json)).toEqual(`one: 1
two: two
`);
  });

  test('should convert empty object to empty yaml doc', () => {
    expect(jsonToYaml('{}')).toEqual('---\n');
  });

  test('should convert empty string to empty yaml doc', () => {
    expect(jsonToYaml('')).toEqual('---\n');
  });

  test('should throw if invalid json given', () => {
    expect(() => jsonToYaml('bad data')).toThrow();
  });
});