<!DOCTYPE html>
<!--
Copyright (C) 2015 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-file-list</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<script src="../../../bower_components/page/page.js"></script>
<script src="../../../scripts/util.js"></script>

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="gr-file-list.html">

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

<script>
  suite('gr-file-list tests', function() {
    var element;

    setup(function() {
      stub('gr-rest-api-interface', {
        getLoggedIn: function() { return Promise.resolve(true); },
      });
      element = fixture('basic');
    });

    test('get file list', function(done) {
      var getChangeFilesStub = sinon.stub(element.$.restAPI, 'getChangeFiles',
          function() {
            return Promise.resolve({
              '/COMMIT_MSG': {lines_inserted: 9},
              'tags.html': {lines_deleted: 123},
              'about.txt': {},
            });
          });

      element._getFiles().then(function(files) {
        var filenames = files.map(function(f) { return f.__path; });
        assert.deepEqual(filenames, ['/COMMIT_MSG', 'about.txt', 'tags.html']);
        assert.deepEqual(files[0], {
          lines_inserted: 9,
          lines_deleted: 0,
          __path: '/COMMIT_MSG',
        });
        assert.deepEqual(files[1], {
          lines_inserted: 0,
          lines_deleted: 0,
          __path: 'about.txt',
        });
        assert.deepEqual(files[2], {
          lines_inserted: 0,
          lines_deleted: 123,
          __path: 'tags.html',
        });

        getChangeFilesStub.restore();
        done();
      });
    });

    test('toggle left diff via shortcut', function() {
      var toggleLeftDiffStub = sinon.stub();
      sinon.stub(element, 'diffs', {get: function() {
        return [{toggleLeftDiff: toggleLeftDiffStub}];
      }});
      MockInteractions.pressAndReleaseKeyOn(element, 65, 'shift');  // 'A'
      assert.isTrue(toggleLeftDiffStub.calledOnce);
    });

    test('keyboard shortcuts', function() {
      var toggleInlineDiffsStub = sinon.stub(element, '_toggleInlineDiffs');
      MockInteractions.pressAndReleaseKeyOn(element, 73, 'shift');  // 'I'
      assert.isTrue(toggleInlineDiffsStub.calledOnce);
      toggleInlineDiffsStub.restore();

      element._files = [
        {__path: '/COMMIT_MSG'},
        {__path: 'file_added_in_rev2.txt'},
        {__path: 'myfile.txt'},
      ];
      element.changeNum = '42';
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '2',
      };
      element.selectedIndex = 0;

      flushAsynchronousOperations();
      var elementItems = Polymer.dom(element.root).querySelectorAll(
          '.row:not(.header)');
      assert.equal(elementItems.length, 3);
      assert.isTrue(elementItems[0].hasAttribute('selected'));
      assert.isFalse(elementItems[1].hasAttribute('selected'));
      assert.isFalse(elementItems[2].hasAttribute('selected'));
      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'J'
      assert.equal(element.selectedIndex, 1);
      MockInteractions.pressAndReleaseKeyOn(element, 74);  // 'J'

      var showStub = sinon.stub(page, 'show');
      assert.equal(element.selectedIndex, 2);
      MockInteractions.pressAndReleaseKeyOn(element, 13);  // 'ENTER'
      assert(showStub.lastCall.calledWith('/c/42/2/myfile.txt'),
          'Should navigate to /c/42/2/myfile.txt');

      MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'K'
      assert.equal(element.selectedIndex, 1);
      MockInteractions.pressAndReleaseKeyOn(element, 79);  // 'O'
      assert(showStub.lastCall.calledWith('/c/42/2/file_added_in_rev2.txt'),
          'Should navigate to /c/42/2/file_added_in_rev2.txt');

      MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'K'
      MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'K'
      MockInteractions.pressAndReleaseKeyOn(element, 75);  // 'K'
      assert.equal(element.selectedIndex, 0);

      showStub.restore();
    });

    test('comment filtering', function() {
      var comments = {
        '/COMMIT_MSG': [
          {patch_set: 1, message: 'Done'},
          {patch_set: 1, message: 'oh hay'},
          {patch_set: 2, message: 'hello'},
        ],
        'myfile.txt': [
          {patch_set: 1, message: 'good news!'},
          {patch_set: 2, message: 'wat!?'},
          {patch_set: 2, message: 'hi'},
        ],
      };
      assert.equal(
          element._computeCountString(comments, '1', '/COMMIT_MSG', 'comment'),
          '2 comments');
      assert.equal(
          element._computeCountString(comments, '1', 'myfile.txt', 'comment'),
          '1 comment');
      assert.equal(
          element._computeCountString(comments, '1',
              'file_added_in_rev2.txt', 'comment'),
          '');
      assert.equal(
          element._computeCountString(comments, '2', '/COMMIT_MSG', 'comment'),
          '1 comment');
      assert.equal(
          element._computeCountString(comments, '2', 'myfile.txt', 'comment'),
          '2 comments');
      assert.equal(
          element._computeCountString(comments, '2',
              'file_added_in_rev2.txt', 'comment'),
          '');
    });

    test('computed properties', function() {
      assert.equal(element._computeFileStatus('A'), 'A');
      assert.equal(element._computeFileStatus(undefined), 'M');
      assert.equal(element._computeFileStatus(null), 'M');

      assert.equal(element._computeFileDisplayName('/foo/bar/baz'),
          '/foo/bar/baz');
      assert.equal(element._computeFileDisplayName('/COMMIT_MSG'),
          'Commit message');

      assert.equal(element._computeClass('clazz', '/foo/bar/baz'), 'clazz');
      assert.equal(element._computeClass('clazz', '/COMMIT_MSG'),
          'clazz invisible');
    });

    test('file review status', function() {
      element._files = [
        {__path: '/COMMIT_MSG'},
        {__path: 'file_added_in_rev2.txt'},
        {__path: 'myfile.txt'},
      ];
      element._reviewed = ['/COMMIT_MSG', 'myfile.txt'];
      element.changeNum = '42';
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '2',
      };
      element.selectedIndex = 0;

      flushAsynchronousOperations();
      var fileRows =
          Polymer.dom(element.root).querySelectorAll('.row:not(.header)');
      var commitMsg = fileRows[0].querySelector('input[type="checkbox"]');
      var fileAdded = fileRows[1].querySelector('input[type="checkbox"]');
      var myFile = fileRows[2].querySelector('input[type="checkbox"]');

      assert.isTrue(commitMsg.checked);
      assert.isFalse(fileAdded.checked);
      assert.isTrue(myFile.checked);

      var saveStub = sinon.stub(element, '_saveReviewedState',
          function() { return Promise.resolve(); });

      MockInteractions.tap(commitMsg);
      assert.isTrue(saveStub.lastCall.calledWithExactly('/COMMIT_MSG', false));
      MockInteractions.tap(commitMsg);
      assert.isTrue(saveStub.lastCall.calledWithExactly('/COMMIT_MSG', true));

      saveStub.restore();
    });

    test('patch set from revisions', function() {
      var patchNums = element._computePatchSets({
        rev3: {_number: 3},
        rev1: {_number: 1},
        rev4: {_number: 4},
        rev2: {_number: 2},
      });
      assert.deepEqual(patchNums, [1, 2, 3, 4]);
    });

    test('patch range string', function() {
      assert.equal(
          element._patchRangeStr({basePatchNum: 'PARENT', patchNum: '1'}),
          '1');
      assert.equal(
          element._patchRangeStr({basePatchNum: '1', patchNum: '3'}),
          '1..3');
    });

    test('diff against dropdown', function(done) {
      var showStub = sinon.stub(page, 'show');
      element.changeNum = '42';
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '3',
      };
      element.revisions = {
        rev1: {_number: 1},
        rev2: {_number: 2},
        rev3: {_number: 3},
      };
      flush(function() {
        var selectEl = element.$$('select');
        assert.equal(selectEl.value, 'PARENT');
        assert.isTrue(element.$$('option[value="3"]').hasAttribute('disabled'));
        selectEl.addEventListener('change', function() {
          assert.equal(selectEl.value, '2');
          assert(showStub.lastCall.calledWithExactly('/c/42/2..3'),
              'Should navigate to /c/42/2..3');
          showStub.restore();
          done();
        });
        selectEl.value = '2';
        element.fire('change', {}, {node: selectEl});
      });
    });
  });
</script>