npe_gerber/test/index.test.js
Nick Playfair b2723f3b70 Test for gerberToStream
Define a test for the gerberToStream method
2021-02-05 14:30:59 +00:00

122 lines
3.3 KiB
JavaScript

/* eslint-disable */
const path = require('path');
const fs = require('fs-extra');
const Readable = require('stream').Readable;
const { ImageGenerator } = require('../index.js');
require('../index.js');
const testGerber = path.join(__dirname, 'Arduino-Pro-Mini.zip');
const testLayers = path.join(__dirname, 'layers');
const emptyFolder = path.join(__dirname, 'layers', 'Empty');
const folderConfig = {
tmpDir: path.join(__dirname, 'tmp'),
imgDir: path.join(__dirname, 'tmp'),
};
const noTempConfig = {
tmpDir: emptyFolder,
imgDir: path.join(__dirname, 'tmp'),
};
const noImageConfig = {
tmpDir: path.join(__dirname, 'tmp'),
imgDir: emptyFolder,
};
const imgConfig = {
resizeWidth: 600,
density: 1000,
compLevel: 1,
};
const fileProc = new ImageGenerator(folderConfig, imgConfig);
const fileProcNoTemp = new ImageGenerator(noTempConfig, imgConfig);
const fileProcNoImage = new ImageGenerator(noImageConfig, imgConfig);
/**************
* Tests
***************/
// getLayers
test('Promise of an array of layers from a given folder', () => {
expect.assertions(1);
return ImageGenerator.getLayers(testLayers).then((data) => {
expect(data).toEqual(
expect.arrayContaining([
expect.objectContaining({
filename: expect.any(String),
gerber: expect.any(fs.ReadStream),
}),
])
);
});
});
test('Non-existent folder should reject promise with error', () => {
expect.assertions(1);
return expect(ImageGenerator.getLayers('./invalid_folder')).rejects.toThrow(
new Error('Layers folder does not exist.')
);
});
test('Folder with incorrect number of layers should reject promise with error', () => {
expect.assertions(1);
return expect(ImageGenerator.getLayers(emptyFolder)).rejects.toThrow(
new Error('Layer not found.')
);
});
// extractArchive
test('Non-existent archive should throw an error', () => {
expect(() =>
ImageGenerator.extractArchive('invalid.zip', folderConfig.tmpDir).toThrow(Error)
);
});
test('Temp dir not existing should throw an error', () => {
expect(() =>
ImageGenerator.extractArchive(testGerber, './invalid_dir').toThrow(Error)
);
});
test('Should extract archive and resolve with the number of files extracted', () => {
expect(() => ImageGenerator.extractArchive(testGerber, folderConfig.tmpDir).toBe(12));
});
// gerberToImage
test('Temp dir not existing should throw an error', () => {
expect(() =>
fileProcNoTemp
.gerberToImage(testGerber)
.toThrow(new Error('Temporary folder does not exist.'))
);
});
test('Output dir not existing should throw an error', () => {
expect(() =>
fileProcNoImage
.gerberToImage(testGerber)
.toThrow(new Error('Output folder does not exist.'))
);
});
test('Invalid archive file should throw an error', () => {
expect(() =>
fileProc
.gerberToImage('invalid.zip')
.toThrow(new Error('Archive does not exist.'))
);
});
test('Gerber archive should resolve promise and return a filename of an image', () => {
expect.assertions(1);
return expect(
fileProc.gerberToImage(testGerber)
).resolves.toEqual(expect.stringContaining('Arduino-Pro-Mini.png'));
});
// gerberToStream
test('Gerber archive should resolve promise and return a png stream', () => {
expect.assertions(1);
return expect(
fileProc.gerberToStream(testGerber)
).resolves.toBeInstanceOf(Readable);
});