monaco-yaml/test/formatter.test.ts

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Red Hat. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import {
  configureLanguageService,
  setupTextDocument,
} from './utils/testHelper';
import { ServiceSetup } from './utils/serviceSetup';
import assert = require('assert');

const languageSettingsSetup = new ServiceSetup().withFormat();
const languageService = configureLanguageService(
  languageSettingsSetup.languageSettings
);

// Defines a Mocha test describe to group tests of similar kind together
describe('Formatter Tests', () => {
  // Tests for validator
  describe('Formatter', function() {
    describe('Test that formatter works with custom tags', function() {
      function parseSetup(content: string, options = {}) {
        const testTextDocument = setupTextDocument(content);
        return languageService.doFormat(testTextDocument, options);
      }

      it('Formatting works without custom tags', () => {
        const content = 'cwd: test';
        const edits = parseSetup(content);
        assert.notEqual(edits.length, 0);
        assert.equal(edits[0].newText, 'cwd: test\n');
      });

      it('Formatting works with custom tags', () => {
        const content = 'cwd:       !Test test';
        const edits = parseSetup(content);
        assert.notEqual(edits.length, 0);
        assert.equal(edits[0].newText, 'cwd: !Test test\n');
      });

      it('Formatting wraps text', () => {
        const content = `comments: >
                test test test test test test test test test test test test`;
        const edits = parseSetup(content, {
          printWidth: 20,
          proseWrap: 'always',
        });
        assert.equal(
          edits[0].newText,
          'comments: >\n  test test test\n  test test test\n  test test test\n  test test test\n'
        );
      });
    });
  });
});