Testing checkbox in Angular...

checkbox.test.js

it('test', () => {
  const element = `
    <section>
      <label>
        <input type="checkbox" name="test" ng-model="$ctrl.value" />
        ok
      </label>

      <div ng-if="$ctrl.value">what</div>
    </section>
  `;

  let compiled = $compile(element)($scope);
  $scope.$digest();

  compiled.find('input').trigger('click');
  $scope.$digest();

  assert.equal(compiled.find('div').text(), 'what');
});