jsdom example error

[glend1]

i copy and pasted the example provided but im getting

Web MIDI does not work: DOMException {
      name: 'SecurityError',
      message: 'MIDI is not allowed',
      code: 18
    }

here is the test

it("Should accept a connection when you add a midi device", () => {

            function onSuccess(midi: { inputs: { size: any; forEach: (arg0: (port: any) => void) => void; }; outputs: { size: any; forEach: (arg0: (port: any) => void) => void; }; }) {
                console.log('Web MIDI works!');
                if (midi.inputs.size) {
                  console.log('MIDI Inputs:');
                  midi.inputs.forEach(function(port) {
                    console.log(' ', port.name);
                    port.onmidimessage = function(msg: { data: { toString: () => any; }; }) { console.log(port.name, 'received:', msg.data.toString()); }
                  });
                }
                else {
                  console.log('No MIDI Inputs.');
                }
                if (midi.outputs.size) {
                  console.log('MIDI Outputs:');
                  midi.outputs.forEach(function(port) {
                    console.log(' ', port.name);
                    port.send([0x90, 0x60, 0x7f]);
                  });
                }
                else {
                  console.log('No MIDI Outputs.');
                }
              }
              
              function onFail(err: any) {
                console.log('Web MIDI does not work:', err);
              }
              
              navigator.requestMIDIAccess().then(onSuccess, onFail);


        })

im not sure why this is happening. any ideas?

[jazz-soft]

It looks like you set WMT.midi = false; previously somewhere in the code.
Set WMT.midi = true; for this test.