frontend/test-mocha/common/entity/can_toggle_state_test.js

import { assert } from 'chai';

import canToggleState from '../../../src/common/entity/can_toggle_state';

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

  it('Detects lights toggle', () => {
    const stateObj = {
      entity_id: 'light.bla',
      state: 'on',
    };
    assert.isTrue(canToggleState(hass, stateObj));
  });

  it('Detects group with toggle', () => {
    const stateObj = {
      entity_id: 'group.bla',
      state: 'on',
    };
    assert.isTrue(canToggleState(hass, stateObj));
  });

  it('Detects group without toggle', () => {
    const stateObj = {
      entity_id: 'group.devices',
      state: 'home',
    };
    assert.isFalse(canToggleState(hass, stateObj));
  });

  it('Detects climate with toggle', () => {
    const stateObj = {
      entity_id: 'climate.bla',
      attributes: {
        supported_features: 4096,
      },
    };
    assert.isTrue(canToggleState(hass, stateObj));
  });

  it('Detects climate without toggle', () => {
    const stateObj = {
      entity_id: 'climate.bla',
    };
    assert.isFalse(canToggleState(hass, stateObj));
  });
});