test(@angular-devkit/schematics): use HostTree instead of VirtualTree

Author: clydin

packages/angular_devkit/schematics/src/rules/move_spec.ts

@@ -8,7 +8,7 @@
 // tslint:disable:non-null-operator
 import { of as observableOf } from 'rxjs';
 import { SchematicContext } from '../engine/interface';
-import { VirtualTree } from '../tree/virtual';
+import { HostTree } from '../tree/host-tree';
 import { callRule } from './call';
 import { move } from './move';
 
@@ -18,7 +18,7 @@ const context: SchematicContext = null !;
 
 describe('move', () => {
   it('works on moving the whole structure', done => {
-    const tree = new VirtualTree();
+    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');
@@ -34,7 +34,7 @@ describe('move', () => {
   });
 
   it('works on moving a subdirectory structure', done => {
-    const tree = new VirtualTree();
+    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');

packages/angular_devkit/schematics/src/rules/random.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import { Source } from '../engine/interface';
-import { VirtualTree } from '../tree/virtual';
+import { HostTree } from '../tree/host-tree';
 
 
 function generateStringOfLength(l: number) {
@@ -32,7 +32,7 @@ export default function(options: RandomOptions): Source {
   return () => {
     const root = ('root' in options) ? options.root : '/';
 
-    const map = new VirtualTree();
+    const map = new HostTree();
     const nbFiles = ('multiFiles' in options)
                   ? (typeof options.multiFiles == 'number' ? options.multiFiles : random(2, 12))
                   : 1;