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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-endpoint-decorator</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-endpoint-decorator.html">

<test-fixture id="basic">
  <template>
    <gr-endpoint-decorator name="foo"></gr-endpoint-decorator>
  </template>
</test-fixture>

<script>
  suite('gr-endpoint-decorator', () => {
    let sandbox;
    let element;
    let plugin;
    let domHookStub;

    setup(done => {
      Gerrit._endpoints = new GrPluginEndpoints();

      sandbox = sinon.sandbox.create();

      domHookStub = {
        handleInstanceAttached: sandbox.stub(),
        handleInstanceDetached: sandbox.stub(),
      };
      sandbox.stub(
          GrDomHooksManager.prototype, 'getDomHook').returns(domHookStub);

      // NB: Order is important.
      Gerrit.install(p => {
        plugin = p;
        plugin.registerCustomComponent('foo', 'some-module');
        plugin.registerCustomComponent('foo', 'other-module', {replace: true});
      }, '0.1', 'http://some/plugin/url.html');

      sandbox.stub(Gerrit, '_arePluginsLoaded').returns(true);
      sandbox.stub(Gerrit, 'awaitPluginsLoaded').returns(Promise.resolve());

      element = fixture('basic');
      sandbox.stub(element, '_initDecoration').returns({});
      sandbox.stub(element, '_initReplacement').returns({});
      sandbox.stub(element, 'importHref', (url, resolve) => resolve());

      flush(done);
    });

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

    test('imports plugin-provided module', () => {
      assert.isTrue(
          element.importHref.calledWith(new URL('http://some/plugin/url.html')));
    });

    test('inits decoration dom hook', () => {
      assert.strictEqual(
          element._initDecoration.lastCall.args[0], 'some-module');
      assert.strictEqual(
          element._initDecoration.lastCall.args[1], plugin);
    });

    test('inits replacement dom hook', () => {
      assert.strictEqual(
          element._initReplacement.lastCall.args[0], 'other-module');
      assert.strictEqual(
          element._initReplacement.lastCall.args[1], plugin);
    });

    test('calls dom hook handleInstanceAttached', () => {
      assert.equal(domHookStub.handleInstanceAttached.callCount, 2);
    });

    test('calls dom hook handleInstanceDetached', () => {
      element.detached();
      assert.equal(domHookStub.handleInstanceDetached.callCount, 2);
    });

    test('installs modules on late registration', done => {
      domHookStub.handleInstanceAttached.reset();
      plugin.registerCustomComponent('foo', 'noob-noob');
      flush(() => {
        assert.equal(domHookStub.handleInstanceAttached.callCount, 1);
        assert.strictEqual(
            element._initDecoration.lastCall.args[0], 'noob-noob');
        assert.strictEqual(
            element._initDecoration.lastCall.args[1], plugin);
        done();
      });
    });
  });
</script>