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<title>tooltip-behavior</title>

<script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/components/wct-browser-legacy/browser.js"></script>

<test-fixture id="basic">
  <template>
    <tooltip-behavior-element></tooltip-behavior-element>
  </template>
</test-fixture>

<script type="module">
import '../../test/common-test-setup.js';
import './gr-tooltip-behavior.js';
import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
suite('gr-tooltip-behavior tests', () => {
  let element;
  let sandbox;

  function makeTooltip(tooltipRect, parentRect) {
    return {
      getBoundingClientRect() { return tooltipRect; },
      updateStyles: sinon.stub(),
      style: {left: 0, top: 0},
      parentElement: {
        getBoundingClientRect() { return parentRect; },
      },
    };
  }

  suiteSetup(() => {
    // Define a Polymer element that uses this behavior.
    Polymer({
      is: 'tooltip-behavior-element',
      behaviors: [Gerrit.TooltipBehavior],
    });
  });

  setup(() => {
    sandbox = sinon.sandbox.create();
    element = fixture('basic');
  });

  teardown(() => {
    sandbox.restore();
  });

  test('normal position', () => {
    sandbox.stub(element, 'getBoundingClientRect', () => {
      return {top: 100, left: 100, width: 200};
    });
    const tooltip = makeTooltip(
        {height: 30, width: 50},
        {top: 0, left: 0, width: 1000});

    element._positionTooltip(tooltip);
    assert.isFalse(tooltip.updateStyles.called);
    assert.equal(tooltip.style.left, '175px');
    assert.equal(tooltip.style.top, '100px');
  });

  test('left side position', () => {
    sandbox.stub(element, 'getBoundingClientRect', () => {
      return {top: 100, left: 10, width: 50};
    });
    const tooltip = makeTooltip(
        {height: 30, width: 120},
        {top: 0, left: 0, width: 1000});

    element._positionTooltip(tooltip);
    assert.isTrue(tooltip.updateStyles.called);
    const offset = tooltip.updateStyles
        .lastCall.args[0]['--gr-tooltip-arrow-center-offset'];
    assert.isBelow(parseFloat(offset.replace(/px$/, '')), 0);
    assert.equal(tooltip.style.left, '0px');
    assert.equal(tooltip.style.top, '100px');
  });

  test('right side position', () => {
    sandbox.stub(element, 'getBoundingClientRect', () => {
      return {top: 100, left: 950, width: 50};
    });
    const tooltip = makeTooltip(
        {height: 30, width: 120},
        {top: 0, left: 0, width: 1000});

    element._positionTooltip(tooltip);
    assert.isTrue(tooltip.updateStyles.called);
    const offset = tooltip.updateStyles
        .lastCall.args[0]['--gr-tooltip-arrow-center-offset'];
    assert.isAbove(parseFloat(offset.replace(/px$/, '')), 0);
    assert.equal(tooltip.style.left, '915px');
    assert.equal(tooltip.style.top, '100px');
  });

  test('position to bottom', () => {
    sandbox.stub(element, 'getBoundingClientRect', () => {
      return {top: 100, left: 950, width: 50, height: 50};
    });
    const tooltip = makeTooltip(
        {height: 30, width: 120},
        {top: 0, left: 0, width: 1000});

    element.positionBelow = true;
    element._positionTooltip(tooltip);
    assert.isTrue(tooltip.updateStyles.called);
    const offset = tooltip.updateStyles
        .lastCall.args[0]['--gr-tooltip-arrow-center-offset'];
    assert.isAbove(parseFloat(offset.replace(/px$/, '')), 0);
    assert.equal(tooltip.style.left, '915px');
    assert.equal(tooltip.style.top, '157.2px');
  });

  test('hides tooltip when detached', () => {
    sandbox.stub(element, '_handleHideTooltip');
    element.remove();
    flushAsynchronousOperations();
    assert.isTrue(element._handleHideTooltip.called);
  });

  test('sets up listeners when has-tooltip is changed', () => {
    const addListenerStub = sandbox.stub(element, 'addEventListener');
    element.hasTooltip = true;
    assert.isTrue(addListenerStub.called);
  });

  test('clean up listeners when has-tooltip changed to false', () => {
    const removeListenerStub = sandbox.stub(element, 'removeEventListener');
    element.hasTooltip = true;
    element.hasTooltip = false;
    assert.isTrue(removeListenerStub.called);
  });
});
</script>