react-native/local-cli/bundle/__tests__/getAssetDestPathAndroid-test.js

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 * @emails oncall+javascript_foundation
 */

'use strict';

jest.dontMock('../getAssetDestPathAndroid').dontMock('../assetPathUtils');

const getAssetDestPathAndroid = require('../getAssetDestPathAndroid');

const path = require('path');

describe('getAssetDestPathAndroid', () => {
  it('should use the right destination folder', () => {
    const asset = {
      name: 'icon',
      type: 'png',
      httpServerLocation: '/assets/test',
    };

    const expectDestPathForScaleToStartWith = (scale, path) => {
      if (!getAssetDestPathAndroid(asset, scale).startsWith(path)) {
        throw new Error(
          `asset for scale ${scale} should start with path '${path}'`,
        );
      }
    };

    expectDestPathForScaleToStartWith(1, 'drawable-mdpi');
    expectDestPathForScaleToStartWith(1.5, 'drawable-hdpi');
    expectDestPathForScaleToStartWith(2, 'drawable-xhdpi');
    expectDestPathForScaleToStartWith(3, 'drawable-xxhdpi');
    expectDestPathForScaleToStartWith(4, 'drawable-xxxhdpi');
  });

  it('should lowercase path', () => {
    const asset = {
      name: 'Icon',
      type: 'png',
      httpServerLocation: '/assets/App/Test',
    };

    expect(getAssetDestPathAndroid(asset, 1)).toBe(
      path.normalize('drawable-mdpi/app_test_icon.png'),
    );
  });

  it('should remove `assets/` prefix', () => {
    const asset = {
      name: 'icon',
      type: 'png',
      httpServerLocation: '/assets/RKJSModules/Apps/AndroidSample/Assets',
    };

    expect(getAssetDestPathAndroid(asset, 1).startsWith('assets_')).toBeFalsy();
  });

  it('should put non-drawable resources to `raw/`', () => {
    const asset = {
      name: 'video',
      type: 'mp4',
      httpServerLocation: '/assets/app/test',
    };

    expect(getAssetDestPathAndroid(asset, 1)).toBe(path.normalize('raw/app_test_video.mp4'));
  });
});