import { expectToFail } from '../support/expect-to-fail';
import { invokeJsonSchemaDiff } from '../support/invoke-json-schema-diff';

describe('json-schema-diff cli', () => {
  it('should find a difference in type', async () => {
    const error = await expectToFail(
      invokeJsonSchemaDiff(
        './test/e2e/fixtures/type-string-spec.json',
        './test/e2e/fixtures/type-number-spec.json',
      ),
    );

    expect(error.message).toContain(
      'Breaking changes found between the two schemas',
    );
    expect(error.message).toContain('added');
    expect(error.message).toContain('removed');
  });

  it('should be successful when no differences are found', async () => {
    const output = await invokeJsonSchemaDiff(
      './test/e2e/fixtures/type-string-spec.json',
      './test/e2e/fixtures/type-string-spec.json',
    );

    expect(output).toContain('No differences found');
  });

  it('should return the error when a file cannot be found', async () => {
    const error = await expectToFail(
      invokeJsonSchemaDiff(
        './test/e2e/fixtures/type-string-spec.json',
        './test/e2e/fixtures/missing-file.json',
      ),
    );

    expect(error.message).toContain(
      'Error loading "./test/e2e/fixtures/missing-file.json"',
    );
  });
});