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<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/webcomponentsjs/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/page/page.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-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();
      });
    });

    test('_userId query without email', done => {
      assert.isNull(element._userId);
      element._query = 'owner: foo@bar';
      element._changes = [{owner: {}}];
      flush(() => {
        assert.isNull(element._userId);
        done();
      });
    });

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

    test('_repo query with open status', done => {
      assert.isNull(element._repo);
      element._query = 'project:test-repo status:open';
      element._changes = [{owner: {email: 'foo@bar'}, project: 'test-repo'}];
      flush(() => {
        assert.equal(element._repo, 'test-repo');
        element._query = 'foo bar baz';
        element._changes = [{owner: {email: 'foo@bar'}}];
        assert.isNull(element._repo);
        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>