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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="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.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">
<link rel="import" href="../gr-endpoint-param/gr-endpoint-param.html">

<script>void(0);</script>

<test-fixture id="basic">
  <template>
    <div>
      <gr-endpoint-decorator name="first">
        <gr-endpoint-param name="someparam" value="barbar"></gr-endpoint-param>
      </gr-endpoint-decorator>
      <gr-endpoint-decorator name="second">
        <gr-endpoint-param name="someparam" value="foofoo"></gr-endpoint-param>
      </gr-endpoint-decorator>
      <gr-endpoint-decorator name="banana">
        <gr-endpoint-param name="someParam" value="yes"></gr-endpoint-param>
      </gr-endpoint-decorator>
    </div>
  </template>
</test-fixture>

<script>
  suite('gr-endpoint-decorator', () => {
    let container;
    let sandbox;
    let plugin;
    let decorationHook;
    let replacementHook;

    setup(done => {
      sandbox = sinon.sandbox.create();
      stub('gr-endpoint-decorator', {
        _import: sandbox.stub().returns(Promise.resolve()),
      });
      Gerrit._testOnly_resetPlugins();
      container = fixture('basic');
      Gerrit.install(p => plugin = p, '0.1', 'http://some/plugin/url.html');
      // Decoration
      decorationHook = plugin.registerCustomComponent('first', 'some-module');
      // Replacement
      replacementHook = plugin.registerCustomComponent(
          'second', 'other-module', {replace: true});
      // Mimic all plugins loaded.
      Gerrit._loadPlugins([]);
      flush(done);
    });

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

    test('imports plugin-provided modules into endpoints', () => {
      const endpoints =
          Array.from(container.querySelectorAll('gr-endpoint-decorator'));
      assert.equal(endpoints.length, 3);
      endpoints.forEach(element => {
        assert.isTrue(
            element._import.calledWith(new URL('http://some/plugin/url.html')));
      });
    });

    test('decoration', () => {
      const element =
          container.querySelector('gr-endpoint-decorator[name="first"]');
      const modules = Array.from(Polymer.dom(element.root).children).filter(
          element => element.nodeName === 'SOME-MODULE');
      assert.equal(modules.length, 1);
      const [module] = modules;
      assert.isOk(module);
      assert.equal(module['someparam'], 'barbar');
      return decorationHook.getLastAttached().then(element => {
        assert.strictEqual(element, module);
      }).then(() => {
        element.remove();
        assert.equal(decorationHook.getAllAttached().length, 0);
      });
    });

    test('replacement', () => {
      const element =
          container.querySelector('gr-endpoint-decorator[name="second"]');
      const module = Array.from(Polymer.dom(element.root).children).find(
          element => element.nodeName === 'OTHER-MODULE');
      assert.isOk(module);
      assert.equal(module['someparam'], 'foofoo');
      return replacementHook.getLastAttached().then(element => {
        assert.strictEqual(element, module);
      }).then(() => {
        element.remove();
        assert.equal(replacementHook.getAllAttached().length, 0);
      });
    });

    test('late registration', done => {
      plugin.registerCustomComponent('banana', 'noob-noob');
      flush(() => {
        const element =
            container.querySelector('gr-endpoint-decorator[name="banana"]');
        const module = Array.from(Polymer.dom(element.root).children).find(
            element => element.nodeName === 'NOOB-NOOB');
        assert.isOk(module);
        done();
      });
    });

    test('two modules', done => {
      plugin.registerCustomComponent('banana', 'mod-one');
      plugin.registerCustomComponent('banana', 'mod-two');
      flush(() => {
        const element =
            container.querySelector('gr-endpoint-decorator[name="banana"]');
        const module1 = Array.from(Polymer.dom(element.root).children).find(
            element => element.nodeName === 'MOD-ONE');
        assert.isOk(module1);
        const module2 = Array.from(Polymer.dom(element.root).children).find(
            element => element.nodeName === 'MOD-TWO');
        assert.isOk(module2);
        done();
      });
    });

    test('late param setup', done => {
      const element =
          container.querySelector('gr-endpoint-decorator[name="banana"]');
      const param = Polymer.dom(element).querySelector('gr-endpoint-param');
      param['value'] = undefined;
      plugin.registerCustomComponent('banana', 'noob-noob');
      flush(() => {
        let module = Array.from(Polymer.dom(element.root).children).find(
            element => element.nodeName === 'NOOB-NOOB');
        // Module waits for param to be defined.
        assert.isNotOk(module);
        const value = {abc: 'def'};
        param.value = value;
        flush(() => {
          module = Array.from(Polymer.dom(element.root).children).find(
              element => element.nodeName === 'NOOB-NOOB');
          assert.isOk(module);
          assert.strictEqual(module['someParam'], value);
          done();
        });
      });
    });

    test('param is bound', done => {
      const element =
          container.querySelector('gr-endpoint-decorator[name="banana"]');
      const param = Polymer.dom(element).querySelector('gr-endpoint-param');
      const value1 = {abc: 'def'};
      const value2 = {def: 'abc'};
      param.value = value1;
      plugin.registerCustomComponent('banana', 'noob-noob');
      flush(() => {
        const module = Array.from(Polymer.dom(element.root).children).find(
            element => element.nodeName === 'NOOB-NOOB');
        assert.strictEqual(module['someParam'], value1);
        param.value = value2;
        assert.strictEqual(module['someParam'], value2);
        done();
      });
    });
  });
</script>