res.sendFile = async (buffer,filename,mime)=>{
        if(typeof buffer == 'string' && /\.\w+$/.test(buffer)) buffer = await fs.readFile(buffer);

        res.writeHead(200, {
            "Content-Type": mime || "application/octet-stream",
            "Content-Disposition": "attachment; filename=" + encodeURI(filename)
        });
        res.end(buffer);
    }

    

var MemoryFileSystem = require("memory-fs");
var fs = new MemoryFileSystem(); // Optionally pass a javascript object
// Optionally pass a javascript object
 
fs.mkdirpSync("/a/test/dir");
fs.writeFileSync("/a/test/dir/file.txt", "Hello World");
fs.readFileSync("/a/test/dir/file.txt"); // returns Buffer("Hello World")
// returns Buffer("Hello World")
 
// Async variants too
// Async variants too
fs.unlink("/a/test/dir/file.txt", function(err) {
    // ...
// ...
});
 
fs.readdirSync("/a/test"); // returns ["dir"]
// returns ["dir"]
fs.statSync("/a/test/dir").isDirectory(); // returns true
// returns true
fs.rmdirSync("/a/test/dir");
 
fs.mkdirpSync("C:\\use\\windows\\style\\paths");

const writeData = Buffer.from('my text data', 'utf8');
vscode.workspace.fs.writeFile(fileUri, writeData);

const read = async () => {
                    const buffer = await fs.readFile(file.path);
                    remove();
                    return buffer;
                }

                

import {Component, NgModule} from '@angular/core'
import {render, screen} from '@testing-library/angular'
import {ngMocks} from 'ng-mocks'

@Component({
  selector: 'app-parent-component',
  template: '<app-child-component></app-child-component>',
})
class ParentComponent {}

@Component({
  selector: 'app-child-component',
  template: '<p>Child component</p>',
})
class ChildComponent {}

@NgModule({
  declarations: [ParentComponent, ChildComponent],
})
export class AppModule {}

describe('ParentComponent', () => {
  it('should not render ChildComponent when shallow rendering', async () => {
    const dependencies = ngMocks.guts(null, AppModule, ParentComponent)

    await render(ParentComponent, dependencies)

    expect(screen.queryByText('Child component')).toBeNull()
  })
})