fiftyone.pipeline.engines/tests/engines.examples.test.js

Shared base functionality for implementing engines for the 51Degrees Pipeline API

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 * Copyright 2026 51 Degrees Mobile Experts Limited, Davidson House,
 * Forbury Square, Reading, Berkshire, United Kingdom RG1 3EU.
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 * (EUPL) v.1.2 and is subject to its terms as set out below.
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const fs = require('fs');
const path = require('path');

const testExample = function ({ file, portNumber }) {
  if (portNumber) {
    process.env.PORT = portNumber;
  }

  // Change the working directory of the example to be the example itself

  process.env.directory = path.dirname(file);

  let code = fs.readFileSync(file, 'utf8');

  // Add in closer of any apps

  const serverClose = `
    
    if(typeof server !== "undefined"){

        server.close();

    }

    `;

  code += serverClose;

  () => jest.fn(eval(code)); // eslint-disable-line
};

test('caching example', () => {
  testExample(
    { file: path.resolve(__dirname, '..', 'examples', 'caching.js') }
  );
});

test('on premise flow element example', () => {
  testExample(
    {
      file: path.resolve(__dirname, '..', 'examples', 'onPremiseFlowElement.js'),
      portNumber: 3002
    }
  );
});