core/templates/services/code-normalizer.service.spec.ts - develop - githubmirror/oppia

core/templates/services/code-normalizer.service.spec.ts
126 строк3 KB
Nikita Vorobev
Apply prettier 2 (#19862)
12 мар 2024, 19:39
12 мар 2024, 19:392ae9b98
// Copyright 2016 The Oppia Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * @fileoverview Unit tests for the Code Normalizer Service.
 */

import {CodeNormalizerService} from 'services/code-normalizer.service';

describe('Code Normalization', () => {
  let cns: CodeNormalizerService;
  beforeEach(() => {
    cns = new CodeNormalizerService();
  });

  it('should not modify contents of code', () => {
    expect(cns.getNormalizedCode('def x():\n' + '    y = 345')).toBe(
      'def x():\n' + '    y = 345'
    );
  });

  it(
    'should convert indentation to 4 spaces, remove trailing whitespace ' +
      'and empty lines',
    () => {
      expect(
        cns.getNormalizedCode(
          'def x():         \n' +
            '    \n' +
            '  y = 345\n' +
            '            \n' +
            '       '
        )
      ).toBe('def x():\n' + '    y = 345');
    }
  );

  it(
    'should remove full-line comments, but not comments in the middle ' +
      'of a line',
    () => {
      expect(
        cns.getNormalizedCode(
          '# This is a comment.\n' +
            '  # This is a comment with some spaces before it.\n' +
            'def x():   # And a comment with some code before it.\n' +
            "  y = '#string with hashes#'"
        )
      ).toBe(
        'def x(): # And a comment with some code before it.\n' +
          "    y = '#string with hashes#'"
      );
    }
  );

  it('should handle complex indentation', () => {
    expect(
      cns.getNormalizedCode(
        'abcdefg\n' +
          '    hij\n' +
          '              ppppp\n' +
          'x\n' +
          '  abc\n' +
          '  abc\n' +
          '    bcd\n' +
          '  cde\n' +
          '              xxxxx\n' +
          '  y\n' +
          ' z'
      )
    ).toBe(
      'abcdefg\n' +
        '    hij\n' +
        '        ppppp\n' +
        'x\n' +
        '    abc\n' +
        '    abc\n' +
        '        bcd\n' +
        '    cde\n' +
        '        xxxxx\n' +
        '    y\n' +
        'z'
    );
  });

  it('should handle shortfall lines', () => {
    expect(
      cns.getNormalizedCode(
        'abcdefg\n' +
          '    hij\n' +
          '              ppppp\n' +
          '      x\n' +
          '  abc\n' +
          '    bcd\n' +
          '  cde'
      )
    ).toBe(
      'abcdefg\n' +
        '    hij\n' +
        '        ppppp\n' +
        '    x\n' +
        'abc\n' +
        '    bcd\n' +
        'cde'
    );
  });

  it('should normalize multiple spaces within a line', () => {
    expect(
      cns.getNormalizedCode(
        'abcdefg\n' + '    hij    klm\n' + '    ab "cde fgh"\n'
      )
    ).toBe('abcdefg\n' + '    hij klm\n' + '    ab "cde fgh"');
  });
});