bonsai-analyzer/bin/stats/__tests__/getParentChunks.test.js

Trim your dependency tree.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _getEntryHierarchy = _interopRequireDefault(require("../getEntryHierarchy"));

var _getParentChunks = _interopRequireDefault(require("../getParentChunks"));

var _defaults = require("../../__test_helpers__/defaults");

const stats = {
  chunks: [(0, _defaults.defaultChunk)({
    id: 0,
    names: ['chunk-zero']
  }), (0, _defaults.defaultChunk)({
    id: 1,
    names: ['chunk-one'],
    parents: [0]
  }), (0, _defaults.defaultChunk)({
    id: 2,
    names: ['chunk-two'],
    parents: [0, 1]
  }), (0, _defaults.defaultChunk)({
    id: 3,
    names: ['chunk-three'],
    parents: []
  }), (0, _defaults.defaultChunk)({
    id: 4,
    names: ['chunk-four'],
    parents: [0, 1, 3]
  }), (0, _defaults.defaultChunk)({
    id: 5,
    names: ['chunk-five'],
    parents: [4]
  })],
  modules: []
};
const chunksByParent = (0, _getEntryHierarchy.default)(stats);
describe('getParentChunks', () => {
  it('should list some for a chunk in the middle', () => {
    const result = (0, _getParentChunks.default)(chunksByParent, 1);
    expect(result).toEqual([expect.objectContaining({
      id: 0
    }), expect.objectContaining({
      id: 1
    })]);
  });
  it('should dive down to the bottom chunkIds', () => {
    const result = (0, _getParentChunks.default)(chunksByParent, 5);
    expect(result).toEqual([expect.objectContaining({
      id: 0
    }), expect.objectContaining({
      id: 1
    }), expect.objectContaining({
      id: 4
    }), expect.objectContaining({
      id: 5
    })]);
  });
  it('should list just one for the top-level chunkId', () => {
    expect((0, _getParentChunks.default)(chunksByParent, 0)).toEqual([expect.objectContaining({
      id: 0
    })]);
    expect((0, _getParentChunks.default)(chunksByParent, 3)).toEqual([expect.objectContaining({
      id: 3
    })]);
  });
  it('should list nothing for a bad chunkId', () => {
    const result = (0, _getParentChunks.default)(chunksByParent, -100);
    expect(result).toEqual(null);
  });
});