Function expectToggle

test/unit/test-experiments.js:238–252

(storedString, experimentId, opt_on)

  });

  function expectToggle(storedString, experimentId, opt_on) {
    resetExperimentTogglesForTesting(window);
    const win = {
      document: {},
      localStorage: fakeLocalStorage({'amp-experiment-toggles': storedString}),
      location: {
        hostname: 'test.test',
        href: 'https://test.test/test.html',
      },
    };
    const on = toggleExperiment(win, experimentId, opt_on);
    const newString = win.localStorage.getItem('amp-experiment-toggles');
    // eslint-disable-next-line chai-expect/missing-assertion
    return expect(`${on}; ${newString}`);
  }

  it('should toggle to "on" with no cookies, malformed or empty', () => {
    expectToggle(null, 'e1').to.equal('true; e1');