frontend/test-mocha/common/util/can_toggle_domain_test.js

import { assert } from 'chai';

import canToggleDomain from '../../../js/common/util/can_toggle_domain';

describe('canToggleDomain', () => {
  const hass = {
    config: {
      services: {
        light: {
          turn_on: null, // Service keys only need to be present for test
          turn_off: null,
        },
        lock: {
          lock: null,
          unlock: null,
        },
        sensor: {
          custom_service: null,
        },
      },
    },
  };

  it('Detects lights toggle', () => {
    assert.isTrue(canToggleDomain(hass, 'light'));
  });

  it('Detects locks toggle', () => {
    assert.isTrue(canToggleDomain(hass, 'lock'));
  });

  it('Detects sensors do not toggle', () => {
    assert.isFalse(canToggleDomain(hass, 'sensor'));
  });

  it('Detects binary sensors do not toggle', () => {
    assert.isFalse(canToggleDomain(hass, 'binary_sensor'));
  });
});