const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');

const flow = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../../examples/basic.flow.json'), 'utf8'));

test('basic example includes node type valve', () => {
  const count = flow.filter((n) => n && n.type === 'valve').length;
  assert.equal(count >= 1, true);
});