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test-file-generator

v1.0.11

Published

Generates different file types for testing purposes. The content of the files is generated with a random function.

Downloads

4

Readme

Test file generator

This is a simple module to generate many different random files, which could be used for testing other algorithms that work with files.

Currently supported formats (jpeg, gif, cvs and txt).

| Image | Gif | | --------- | --------- | alt text | alt text

For other examples on random cvs / txt check the exampleOutput folder.

How to use from command line:

npm install -g test-file-generator    

generate --help

generate 

If you want to generate more than one file


generate --number 10

How to use from your project:

  • Install npm install test-file-generator or yarn install test-file-generator
  • Include in your project
import { TestFileGenerator } from 'test-file-generator';
let generator = new TestFileGenerator('txt');
generator.generateFile();
  1. To generate one txt file and random name, at the default path "./".
  let generator = new TestFileGenerator('txt');
  generator.generateFile();
  1. This will generate a gif file with the specified parameters.
  let generator = new TestFileGenerator('gif');
  generator.setLocation('my_path/');
  generator.setImageSize(100, 100);
  generator.setName('my_file_name');
  generator.generateFile();
  1. This will generate a cvs file of 3000 KB.
  let generator = new TestFileGenerator('csv');
  generator.setLocation('output/');
  generator.setSize(3000);
  generator.setName('my_file_name');
  generator.generateFile();

API:

| # | Method | Input / Type | Output / Type | Description |-----|---------------- | --------------- | --------------- | --------------- | 1 | new TestFileGenerator(type: string, clean?: boolean) | [required] type : string [optional] name: string [optional] location: string [optional] size: number [optional] clean: boolean | TestFileGenerator object | The constructor of the object. The default values for the optional parameters are: (name = 'random', location = ''./'', size = 20, clean = false), and even though not passed in the constructor for the images is (100, 100). If you want to modify any parameter just use setter methods.| 2 | generateFile() | None | boolean (true if created, false otherwise) | This method generates the file with the specified parameters. | 3 | setLocation(location: string) | string | None | This method sets the location on which the file is going to be written. | 4 | setName(location: string) | string | None | This method sets the name of the file. If not specified the file will have a random name which you can get with getName(). | 5 | setType(type: string) | string | None | This method sets the file type, currently supported (jpeg, gif, cvs and txt), lowercased. | 6 | setSize(size: number) | number | None | This method sets the size that the file should have, currently only works for txt and cvs file types. | 6 | setImageSize((x: number, y: number) | number, number | None | This method sets the size of the jpeg or gif to be generated. | 7 | setClean(location: string) | string | None | This method deletes the created file after creation (just for writing unit tests). | 8 | getLocation() | None | string | This method gets the file path. | 9 | getName() | None | string | This method gets the file name. | 10 | getSize() | None | string | This method gets the file generation setted size (only for cvs/txt). | 11 | getFileType() | None | string | This method gets the file type. |

License

MIT

Issues, errors, requests or contributions

Open an issue here