<!DOCTYPE html>
<!--
Copyright (C) 2016 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

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

<script src="../../../bower_components/page/page.js"></script>
<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-change-list-view.html">

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

<test-fixture id="basic">
  <template>
    <gr-change-list-view></gr-change-list-view>
  </template>
</test-fixture>

<script>
  const CHANGE_ID = 'IcA3dAB3edAB9f60B8dcdA6ef71A75980e4B7127';
  const COMMIT_HASH = '12345678';

  suite('gr-change-list-view tests', () => {
    let element;
    let sandbox;

    setup(() => {
      stub('gr-rest-api-interface', {
        getLoggedIn() { return Promise.resolve(false); },
        getChanges(num, query) {
          return Promise.resolve([]);
        },
        getAccountDetails() { return Promise.resolve({}); },
        getAccountStatus() { return Promise.resolve({}); },
      });
      element = fixture('basic');
      sandbox = sinon.sandbox.create();
    });

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

    test('_computePage', () => {
      assert.equal(element._computePage(0, 25), 1);
      assert.equal(element._computePage(50, 25), 3);
    });

    test('_limitFor', () => {
      const defaultLimit = 25;
      const _limitFor = q => element._limitFor(q, defaultLimit);
      assert.equal(_limitFor(''), defaultLimit);
      assert.equal(_limitFor('limit:10'), 10);
      assert.equal(_limitFor('xlimit:10'), defaultLimit);
      assert.equal(_limitFor('x(limit:10'), 10);
    });

    test('_computeNavLink', () => {
      const getUrlStub = sandbox.stub(Gerrit.Nav, 'getUrlForSearchQuery')
          .returns('');
      const query = 'status:open';
      let offset = 0;
      let direction = 1;
      const changesPerPage = 5;

      element._computeNavLink(query, offset, direction, changesPerPage);
      assert.equal(getUrlStub.lastCall.args[1], 5);

      direction = -1;
      element._computeNavLink(query, offset, direction, changesPerPage);
      assert.equal(getUrlStub.lastCall.args[1], 0);

      offset = 5;
      direction = 1;
      element._computeNavLink(query, offset, direction, changesPerPage);
      assert.equal(getUrlStub.lastCall.args[1], 10);
    });

    test('_computePrevArrowClass', () => {
      let offset = 0;
      assert.equal(element._computePrevArrowClass(offset), 'hide');
      offset = 5;
      assert.equal(element._computePrevArrowClass(offset), '');
    });

    test('_computeNextArrowClass', () => {
      let changes = _.times(25, _.constant({_more_changes: true}));
      assert.equal(element._computeNextArrowClass(changes), '');
      changes = _.times(25, _.constant({}));
      assert.equal(element._computeNextArrowClass(changes), 'hide');
    });

    test('_computeNavClass', () => {
      let loading = true;
      assert.equal(element._computeNavClass(loading), 'hide');
      loading = false;
      assert.equal(element._computeNavClass(loading), 'hide');
      element._changes = [];
      assert.equal(element._computeNavClass(loading), 'hide');
      element._changes = _.times(5, _.constant({}));
      assert.equal(element._computeNavClass(loading), '');
    });

    test('_handleNextPage', () => {
      const showStub = sandbox.stub(page, 'show');
      element.$.nextArrow.hidden = true;
      element._handleNextPage();
      assert.isFalse(showStub.called);
      element.$.nextArrow.hidden = false;
      element._handleNextPage();
      assert.isTrue(showStub.called);
    });

    test('_handlePreviousPage', () => {
      const showStub = sandbox.stub(page, 'show');
      element.$.prevArrow.hidden = true;
      element._handlePreviousPage();
      assert.isFalse(showStub.called);
      element.$.prevArrow.hidden = false;
      element._handlePreviousPage();
      assert.isTrue(showStub.called);
    });

    test('_userId query', done => {
      assert.isNull(element._userId);
      element._query = 'owner: foo@bar';
      element._changes = [{owner: {email: 'foo@bar'}}];
      flush(() => {
        assert.equal(element._userId, 'foo@bar');

        element._query = 'foo bar baz';
        element._changes = [{owner: {email: 'foo@bar'}}];
        assert.isNull(element._userId);

        done();
      });
    });

    suite('query based navigation', () => {
      setup(() => {
        sandbox.stub(Gerrit.Nav, 'getUrlForChange', () => '/r/c/1');
      });

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

      test('Searching for a change ID redirects to change', done => {
        sandbox.stub(element, '_getChanges')
            .returns(Promise.resolve([{_number: 1}]));
        sandbox.stub(element, '_replaceCurrentLocation', url => {
          assert.equal(url, '/r/c/1');
          done();
        });

        element.params = {view: Gerrit.Nav.View.SEARCH, query: CHANGE_ID};
      });

      test('Searching for a change num redirects to change', done => {
        sandbox.stub(element, '_getChanges')
            .returns(Promise.resolve([{_number: 1}]));
        sandbox.stub(element, '_replaceCurrentLocation', url => {
          assert.equal(url, '/r/c/1');
          done();
        });

        element.params = {view: Gerrit.Nav.View.SEARCH, query: '1'};
      });

      test('Commit hash redirects to change', done => {
        sandbox.stub(element, '_getChanges')
            .returns(Promise.resolve([{_number: 1}]));
        sandbox.stub(element, '_replaceCurrentLocation', url => {
          assert.equal(url, '/r/c/1');
          done();
        });

        element.params = {view: Gerrit.Nav.View.SEARCH, query: COMMIT_HASH};
      });

      test('Searching for an invalid change ID searches', () => {
        sandbox.stub(element, '_getChanges')
            .returns(Promise.resolve([]));
        const stub = sandbox.stub(element, '_replaceCurrentLocation');

        element.params = {view: Gerrit.Nav.View.SEARCH, query: CHANGE_ID};
        flushAsynchronousOperations();

        assert.isFalse(stub.called);
      });

      test('Change ID with multiple search results searches', () => {
        sandbox.stub(element, '_getChanges')
            .returns(Promise.resolve([{}, {}]));
        const stub = sandbox.stub(element, '_replaceCurrentLocation');

        element.params = {view: Gerrit.Nav.View.SEARCH, query: CHANGE_ID};
        flushAsynchronousOperations();

        assert.isFalse(stub.called);
      });
    });
  });
</script>