hunk.code_window:  *
    * Use of this source code is governed by an MIT-style license that can be
    * found in the LICENSE file at https://angular.io/license
    */
   import { experimental, isPromise, json, logging } from '@angular-devkit/core';
   import { Observable, Subscription, from, isObservable, of, throwError } from 'rxjs';
   import { tap } from 'rxjs/operators';
   import {
     BuilderContext,
  
hunk.labels: keep keep keep keep replace keep keep keep keep
hunk.after_edit: import { analytics, experimental, isPromise, json, logging } from '@angular-devkit/core';
  
hunk.file_path: packages/angular_devkit/architect/src/create-builder.ts
hunk.type: replace
file: /**
   * @license
   * Copyright Google Inc. All Rights Reserved.
   *
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://angular.io/license
   */
  // tslint:disable:no-non-null-assertion
  import { of as observableOf } from 'rxjs';
  import { SchematicContext } from '../engine/interface';
  import { HostTree } from '../tree/host-tree';
  import { callRule } from './call';
  import { move } from './move';
  
  
  const context: SchematicContext = null !;
  
  
  describe('move', () => {
    it('works on moving the whole structure', done => {
      const tree = new HostTree();
      tree.create('a/b/file1', 'hello world');
      tree.create('a/b/file2', 'hello world');
      tree.create('a/c/file3', 'hello world');
  
      callRule(move('sub'), observableOf(tree), context)
        .toPromise()
        .then(result => {
          expect(result.exists('sub/a/b/file1')).toBe(true);
          expect(result.exists('sub/a/b/file2')).toBe(true);
          expect(result.exists('sub/a/c/file3')).toBe(true);
        })
        .then(done, done.fail);
    });
  
    it('works on moving a subdirectory structure', done => {
      const tree = new HostTree();
      tree.create('a/b/file1', 'hello world');
      tree.create('a/b/file2', 'hello world');
      tree.create('a/c/file3', 'hello world');
  
      callRule(move('a/b', 'sub'), observableOf(tree), context)
        .toPromise()
        .then(result => {
          expect(result.exists('sub/file1')).toBe(true);
          expect(result.exists('sub/file2')).toBe(true);
          expect(result.exists('a/c/file3')).toBe(true);
        })
        .then(done, done.fail);
    });
  
    it('works on moving a directory into a subdirectory of itself', done => {
      const tree = new HostTree();
      tree.create('a/b/file1', 'hello world');
      tree.create('a/b/file2', 'hello world');
      tree.create('a/c/file3', 'hello world');
  
      callRule(move('a/b', 'a/b/c'), observableOf(tree), context)
        .toPromise()
        .then(result => {
          expect(result.exists('a/b/c/file1')).toBe(true);
          expect(result.exists('a/b/c/file2')).toBe(true);
          expect(result.exists('a/c/file3')).toBe(true);
        })
        .then(done, done.fail);
    });
  
    it('works on moving a directory into a parent of itself', done => {
      const tree = new HostTree();
      tree.create('a/b/file1', 'hello world');
      tree.create('a/b/file2', 'hello world');
      tree.create('a/c/file3', 'hello world');
  
      callRule(move('a/b', 'a'), observableOf(tree), context)
        .toPromise()
        .then(result => {
          expect(result.exists('file1')).toBe(false);
          expect(result.exists('file2')).toBe(false);
          expect(result.exists('a/file1')).toBe(true);
          expect(result.exists('a/file2')).toBe(true);
          expect(result.exists('a/c/file3')).toBe(true);
        })
        .then(done, done.fail);
    });
  
    it('becomes a noop with identical from and to', done => {
      const tree = new HostTree();
      tree.create('a/b/file1', 'hello world');
      tree.create('a/b/file2', 'hello world');
      tree.create('a/c/file3', 'hello world');
  
      callRule(move(''), observableOf(tree), context)
        .toPromise()
        .then(result => {
          expect(result.exists('a/b/file1')).toBe(true);
          expect(result.exists('a/b/file2')).toBe(true);
          expect(result.exists('a/c/file3')).toBe(true);
        })
        .then(done, done.fail);
    });
  });
  