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

<script src="../../../bower_components/webcomponentsjs/webcomponents.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="gr-js-api-interface.html">

<test-fixture id="basic">
  <template>
    <gr-js-api-interface></gr-js-api-interface>
  </template>
</test-fixture>

<script>
  suite('gr-js-api-interface tests', function() {
    var element;
    var plugin;
    var errorStub;
    var throwErrFn = function() {
      throw Error('Unfortunately, this handler has stopped');
    };

    setup(function() {
      element = fixture('basic');
      errorStub = sinon.stub(console, 'error');
      Gerrit.install(function(p) { plugin = p; },
          'http://test.com/plugins/testplugin/static/test.js');
    });

    teardown(function() {
      element._removeEventCallbacks();
      plugin = null;
      errorStub.restore();
    });

    test('url', function() {
      assert.equal(plugin.url(), 'http://test.com/plugins/testplugin/');
      assert.equal(plugin.url('/static/test.js'),
          'http://test.com/plugins/testplugin/static/test.js');
    });

    test('history event', function(done) {
      plugin.on(element.EventType.HISTORY, throwErrFn);
      plugin.on(element.EventType.HISTORY, function(path) {
        assert.equal(path, '/path/to/awesomesauce');
        assert.isTrue(errorStub.calledOnce);
        done();
      });
      element.handleEvent(element.EventType.HISTORY,
          {path: '/path/to/awesomesauce'});
    });

    test('showchange event', function(done) {
      var testChange = {
        _number: 42,
        revisions: {
          def: {_number: 2},
          abc: {_number: 1},
        },
      };
      plugin.on(element.EventType.SHOW_CHANGE, throwErrFn);
      plugin.on(element.EventType.SHOW_CHANGE, function(change, revision) {
        assert.deepEqual(change, testChange);
        assert.deepEqual(revision, testChange.revisions.abc);
        assert.isTrue(errorStub.calledOnce);
        done();
      });
      element.handleEvent(element.EventType.SHOW_CHANGE,
          {change: testChange, patchNum: 1});
    });

    test('comment event', function(done) {
      var testCommentNode = {foo: 'bar'};
      plugin.on(element.EventType.COMMENT, throwErrFn);
      plugin.on(element.EventType.COMMENT, function(commentNode) {
        assert.deepEqual(commentNode, testCommentNode);
        assert.isTrue(errorStub.calledOnce);
        done();
      });
      element.handleEvent(element.EventType.COMMENT, {node: testCommentNode});
    });

    test('submitchange', function() {
      plugin.on(element.EventType.SUBMIT_CHANGE, throwErrFn);
      plugin.on(element.EventType.SUBMIT_CHANGE, function() { return true; });
      assert.isTrue(element.canSubmitChange());
      assert.isTrue(errorStub.calledOnce);
      plugin.on(element.EventType.SUBMIT_CHANGE, function() { return false; });
      plugin.on(element.EventType.SUBMIT_CHANGE, function() { return true; });
      assert.isFalse(element.canSubmitChange());
      assert.isTrue(errorStub.calledTwice);
    });

  });
</script>