Wyatt Allen 1bc4f2f565 Support jumping to next/previous file with comments via shortcut
Adds keyboard shortcuts to the diff view to navigate to the next or
previous file in the change's file list that has comments in the current
patch range.

Feature: Issue 5235
Change-Id: I1ad39089c1ac227e335093f25b72311f7e98b3f7
2017-01-19 12:18:52 -08:00

690 lines
26 KiB
HTML

<!DOCTYPE html>
<!--
Copyright (C) 2015 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
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limitations under the License.
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-diff-view</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-diff-view.html">
<test-fixture id="basic">
<template>
<gr-diff-view></gr-diff-view>
</template>
</test-fixture>
<test-fixture id="blank">
<template>
<div></div>
</template>
</test-fixture>
<script>
suite('gr-diff-view tests', function() {
var element;
var sandbox;
setup(function() {
sandbox = sinon.sandbox.create();
stub('gr-rest-api-interface', {
getLoggedIn: function() { return Promise.resolve(false); },
getProjectConfig: function() { return Promise.resolve({}); },
getDiffChangeDetail: function() { return Promise.resolve(null); },
getChangeFiles: function() { return Promise.resolve({}); },
saveFileReviewed: function() { return Promise.resolve(); },
});
element = fixture('basic');
});
teardown(function() {
sandbox.restore();
});
test('toggle left diff with a hotkey', function() {
var toggleLeftDiffStub = sandbox.stub(element.$.diff, 'toggleLeftDiff');
MockInteractions.pressAndReleaseKeyOn(element, 65, 'shift', 'a');
assert.isTrue(toggleLeftDiffStub.calledOnce);
});
test('keyboard shortcuts', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: 'PARENT',
patchNum: '10',
};
element._change = {
revisions: {
a: {_number: 10},
},
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
element.changeViewState.selectedFileIndex = 1;
var showStub = sandbox.stub(page, 'show');
MockInteractions.pressAndReleaseKeyOn(element, 85, null, 'u');
assert(showStub.lastCall.calledWithExactly('/c/42/'),
'Should navigate to /c/42/');
MockInteractions.pressAndReleaseKeyOn(element, 221, null, ']');
assert(showStub.lastCall.calledWithExactly('/c/42/10/wheatley.md'),
'Should navigate to /c/42/10/wheatley.md');
element._path = 'wheatley.md';
assert.equal(element.changeViewState.selectedFileIndex, 2);
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/10/glados.txt'),
'Should navigate to /c/42/10/glados.txt');
element._path = 'glados.txt';
assert.equal(element.changeViewState.selectedFileIndex, 1);
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/10/chell.go'),
'Should navigate to /c/42/10/chell.go');
element._path = 'chell.go';
assert.equal(element.changeViewState.selectedFileIndex, 0);
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/'),
'Should navigate to /c/42/');
assert.equal(element.changeViewState.selectedFileIndex, 0);
var showPrefsStub = sandbox.stub(element.$.prefsOverlay, 'open',
function() { return Promise.resolve({}); });
MockInteractions.pressAndReleaseKeyOn(element, 188, null, ',');
assert(showPrefsStub.calledOnce);
var scrollStub = sandbox.stub(element.$.cursor, 'moveToNextChunk');
MockInteractions.pressAndReleaseKeyOn(element, 78, null, 'n');
assert(scrollStub.calledOnce);
scrollStub = sandbox.stub(element.$.cursor, 'moveToPreviousChunk');
MockInteractions.pressAndReleaseKeyOn(element, 80, null, 'p');
assert(scrollStub.calledOnce);
scrollStub = sandbox.stub(element.$.cursor, 'moveToNextCommentThread');
MockInteractions.pressAndReleaseKeyOn(element, 78, 'shift', 'n');
assert(scrollStub.calledOnce);
scrollStub = sandbox.stub(element.$.cursor,
'moveToPreviousCommentThread');
MockInteractions.pressAndReleaseKeyOn(element, 80, 'shift', 'p');
assert(scrollStub.calledOnce);
var computeContainerClassStub = sandbox.stub(element.$.diff,
'_computeContainerClass');
MockInteractions.pressAndReleaseKeyOn(element, 74, null, 'j');
assert(computeContainerClassStub.lastCall.calledWithExactly(
false, 'SIDE_BY_SIDE', true));
MockInteractions.pressAndReleaseKeyOn(element, 27, null, 'esc');
assert(computeContainerClassStub.lastCall.calledWithExactly(
false, 'SIDE_BY_SIDE', false));
});
test('saving diff preferences', function() {
var savePrefs = sandbox.stub(element, '_handlePrefsSave');
var cancelPrefs = sandbox.stub(element, '_handlePrefsCancel');
element.$.diffPreferences._handleSave();
assert(savePrefs.calledOnce);
assert(cancelPrefs.notCalled);
});
test('cancelling diff preferences', function() {
var savePrefs = sandbox.stub(element, '_handlePrefsSave');
var cancelPrefs = sandbox.stub(element, '_handlePrefsCancel');
element.$.diffPreferences._handleCancel();
assert(cancelPrefs.calledOnce);
assert(savePrefs.notCalled);
});
test('keyboard shortcuts with patch range', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: '5',
patchNum: '10',
};
element._change = {
revisions: {
a: {_number: 10},
},
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
var showStub = sandbox.stub(page, 'show');
MockInteractions.pressAndReleaseKeyOn(element, 65, null, 'a');
assert.isTrue(showStub.notCalled, 'The `a` keyboard shortcut should ' +
'only work when the user is logged in.');
assert.isNull(window.sessionStorage.getItem(
'changeView.showReplyDialog'));
element._loggedIn = true;
MockInteractions.pressAndReleaseKeyOn(element, 65, null, 'a');
assert.isTrue(element.changeViewState.showReplyDialog);
assert(showStub.lastCall.calledWithExactly('/c/42/5..10'),
'Should navigate to /c/42/5..10');
MockInteractions.pressAndReleaseKeyOn(element, 85, null, 'u');
assert(showStub.lastCall.calledWithExactly('/c/42/5..10'),
'Should navigate to /c/42/5..10');
MockInteractions.pressAndReleaseKeyOn(element, 221, null, ']');
assert(showStub.lastCall.calledWithExactly('/c/42/5..10/wheatley.md'),
'Should navigate to /c/42/5..10/wheatley.md');
element._path = 'wheatley.md';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/5..10/glados.txt'),
'Should navigate to /c/42/5..10/glados.txt');
element._path = 'glados.txt';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/5..10/chell.go'),
'Should navigate to /c/42/5..10/chell.go');
element._path = 'chell.go';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/5..10'),
'Should navigate to /c/42/5..10');
});
test('keyboard shortcuts with old patch number', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: 'PARENT',
patchNum: '1',
};
element._change = {
revisions: {
a: {_number: 1},
b: {_number: 2},
},
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
var showStub = sandbox.stub(page, 'show');
MockInteractions.pressAndReleaseKeyOn(element, 65, null, 'a');
assert.isTrue(showStub.notCalled, 'The `a` keyboard shortcut should ' +
'only work when the user is logged in.');
assert.isNull(window.sessionStorage.getItem(
'changeView.showReplyDialog'));
element._loggedIn = true;
MockInteractions.pressAndReleaseKeyOn(element, 65, null, 'a');
assert.isTrue(element.changeViewState.showReplyDialog);
assert(showStub.lastCall.calledWithExactly('/c/42/1'),
'Should navigate to /c/42/1');
MockInteractions.pressAndReleaseKeyOn(element, 85, null, 'u');
assert(showStub.lastCall.calledWithExactly('/c/42/1'),
'Should navigate to /c/42/1');
MockInteractions.pressAndReleaseKeyOn(element, 221, null, ']');
assert(showStub.lastCall.calledWithExactly('/c/42/1/wheatley.md'),
'Should navigate to /c/42/1/wheatley.md');
element._path = 'wheatley.md';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/1/glados.txt'),
'Should navigate to /c/42/1/glados.txt');
element._path = 'glados.txt';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/1/chell.go'),
'Should navigate to /c/42/1/chell.go');
element._path = 'chell.go';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/1'),
'Should navigate to /c/42/1');
});
test('go up to change via kb without change loaded', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: 'PARENT',
patchNum: '1',
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
var showStub = sandbox.stub(page, 'show');
MockInteractions.pressAndReleaseKeyOn(element, 65, null, 'a');
assert.isTrue(showStub.notCalled, 'The `a` keyboard shortcut should ' +
'only work when the user is logged in.');
assert.isNull(window.sessionStorage.getItem(
'changeView.showReplyDialog'));
element._loggedIn = true;
MockInteractions.pressAndReleaseKeyOn(element, 65, null, 'a');
assert.isTrue(element.changeViewState.showReplyDialog);
assert(showStub.lastCall.calledWithExactly('/c/42/1'),
'Should navigate to /c/42/1');
MockInteractions.pressAndReleaseKeyOn(element, 85, null, 'u');
assert(showStub.lastCall.calledWithExactly('/c/42/1'),
'Should navigate to /c/42/1');
MockInteractions.pressAndReleaseKeyOn(element, 221, null, ']');
assert(showStub.lastCall.calledWithExactly('/c/42/1/wheatley.md'),
'Should navigate to /c/42/1/wheatley.md');
element._path = 'wheatley.md';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/1/glados.txt'),
'Should navigate to /c/42/1/glados.txt');
element._path = 'glados.txt';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/1/chell.go'),
'Should navigate to /c/42/1/chell.go');
element._path = 'chell.go';
MockInteractions.pressAndReleaseKeyOn(element, 219, null, '[');
assert(showStub.lastCall.calledWithExactly('/c/42/1'),
'Should navigate to /c/42/1');
});
test('jump to file dropdown', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: 'PARENT',
patchNum: '10',
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
flushAsynchronousOperations();
var linkEls =
Polymer.dom(element.root).querySelectorAll('.dropdown-content > a');
assert.equal(linkEls.length, 3);
assert.isFalse(linkEls[0].hasAttribute('selected'));
assert.isTrue(linkEls[1].hasAttribute('selected'));
assert.isFalse(linkEls[2].hasAttribute('selected'));
assert.equal(linkEls[0].getAttribute('data-key-nav'), '[');
assert.equal(linkEls[1].getAttribute('data-key-nav'), '');
assert.equal(linkEls[2].getAttribute('data-key-nav'), ']');
assert.equal(linkEls[0].getAttribute('href'), '/c/42/10/chell.go');
assert.equal(linkEls[1].getAttribute('href'), '/c/42/10/glados.txt');
assert.equal(linkEls[2].getAttribute('href'), '/c/42/10/wheatley.md');
assert.equal(element._computeFileDisplayName('/foo/bar/baz'),
'/foo/bar/baz');
assert.equal(element._computeFileDisplayName('/COMMIT_MSG'),
'Commit message');
});
test('jump to file dropdown with patch range', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: '5',
patchNum: '10',
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
flushAsynchronousOperations();
var linkEls =
Polymer.dom(element.root).querySelectorAll('.dropdown-content > a');
assert.equal(linkEls.length, 3);
assert.isFalse(linkEls[0].hasAttribute('selected'));
assert.isTrue(linkEls[1].hasAttribute('selected'));
assert.isFalse(linkEls[2].hasAttribute('selected'));
assert.equal(linkEls[0].getAttribute('data-key-nav'), '[');
assert.equal(linkEls[1].getAttribute('data-key-nav'), '');
assert.equal(linkEls[2].getAttribute('data-key-nav'), ']');
assert.equal(linkEls[0].getAttribute('href'), '/c/42/5..10/chell.go');
assert.equal(linkEls[1].getAttribute('href'), '/c/42/5..10/glados.txt');
assert.equal(linkEls[2].getAttribute('href'), '/c/42/5..10/wheatley.md');
});
test('prev/next links', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: 'PARENT',
patchNum: '10',
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
flushAsynchronousOperations();
var linkEls = Polymer.dom(element.root).querySelectorAll('.navLink');
assert.equal(linkEls.length, 2);
assert.equal(linkEls[0].getAttribute('href'), '/c/42/10/chell.go');
assert.equal(linkEls[1].getAttribute('href'), '/c/42/10/wheatley.md');
element._path = 'wheatley.md';
flushAsynchronousOperations();
assert.equal(linkEls[0].getAttribute('href'), '/c/42/10/glados.txt');
assert.isFalse(linkEls[1].hasAttribute('href'));
element._path = 'chell.go';
flushAsynchronousOperations();
assert.isFalse(linkEls[0].hasAttribute('href'));
assert.equal(linkEls[1].getAttribute('href'), '/c/42/10/glados.txt');
element._path = 'not_a_real_file';
flushAsynchronousOperations();
assert.equal(linkEls[0].getAttribute('href'), '/c/42/10/wheatley.md');
assert.equal(linkEls[1].getAttribute('href'), '/c/42/10/chell.go');
});
test('download link', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: 'PARENT',
patchNum: '10',
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
flushAsynchronousOperations();
assert.equal(element.$$('.downloadLink').getAttribute('href'),
'/changes/42/revisions/10/patch?zip&path=glados.txt');
});
test('prev/next links with patch range', function() {
element._changeNum = '42';
element._patchRange = {
basePatchNum: '5',
patchNum: '10',
};
element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
element._path = 'glados.txt';
flushAsynchronousOperations();
var linkEls = Polymer.dom(element.root).querySelectorAll('.navLink');
assert.equal(linkEls.length, 2);
assert.equal(linkEls[0].getAttribute('href'), '/c/42/5..10/chell.go');
assert.equal(linkEls[1].getAttribute('href'), '/c/42/5..10/wheatley.md');
element._path = 'wheatley.md';
flushAsynchronousOperations();
assert.equal(linkEls[0].getAttribute('href'), '/c/42/5..10/glados.txt');
assert.isFalse(linkEls[1].hasAttribute('href'));
element._path = 'chell.go';
flushAsynchronousOperations();
assert.isFalse(linkEls[0].hasAttribute('href'));
assert.equal(linkEls[1].getAttribute('href'), '/c/42/5..10/glados.txt');
});
test('file review status', function(done) {
element._loggedIn = true;
element._changeNum = '42';
element._patchRange = {
basePatchNum: '1',
patchNum: '2',
};
element._fileList = ['/COMMIT_MSG'];
element._path = '/COMMIT_MSG';
var saveReviewedStub = sandbox.stub(element, '_saveReviewedState',
function() { return Promise.resolve(); });
flush(function() {
var commitMsg = Polymer.dom(element.root).querySelector(
'input[type="checkbox"]');
assert.isTrue(commitMsg.checked);
MockInteractions.tap(commitMsg);
assert.isFalse(commitMsg.checked);
assert.isTrue(saveReviewedStub.lastCall.calledWithExactly(false));
MockInteractions.tap(commitMsg);
assert.isTrue(commitMsg.checked);
assert.isTrue(saveReviewedStub.lastCall.calledWithExactly(true));
done();
});
});
test('diff mode selector correctly toggles the diff', function() {
var select = element.$.modeSelect;
var diffDisplay = element.$.diff;
element._userPrefs = {default_diff_view: 'SIDE_BY_SIDE'};
// The mode selected in the view state reflects the selected option.
assert.equal(element._getDiffViewMode(), select.value);
// The mode selected in the view state reflects the view rednered in the
// diff.
assert.equal(select.value, diffDisplay.viewMode);
// We will simulate a user change of the selected mode.
var newMode = 'UNIFIED_DIFF';
// Set the actual value of the select, and simulate the change event.
select.value = newMode;
element.fire('change', {}, {node: select});
// Make sure the handler was called and the state is still coherent.
assert.equal(element._getDiffViewMode(), newMode);
assert.equal(element._getDiffViewMode(), select.value);
assert.equal(element._getDiffViewMode(), diffDisplay.viewMode);
});
test('diff mode selector initializes from preferences', function() {
var resolvePrefs;
var prefsPromise = new Promise(function(resolve) {
resolvePrefs = resolve;
});
var getPreferencesStub = sandbox.stub(element.$.restAPI, 'getPreferences',
function() { return prefsPromise; });
// Attach a new gr-diff-view so we can intercept the preferences fetch.
var view = document.createElement('gr-diff-view');
var select = view.$.modeSelect;
fixture('blank').appendChild(view);
flushAsynchronousOperations();
// At this point the diff mode doesn't yet have the user's preference.
assert.equal(select.value, 'SIDE_BY_SIDE');
// Receive the overriding preference.
resolvePrefs({default_diff_view: 'UNIFIED'});
flushAsynchronousOperations();
assert.equal(select.value, 'SIDE_BY_SIDE');
});
test('_loadHash', function() {
assert.isNotOk(element.$.cursor.initialLineNumber);
// Ignores invalid hashes:
element._loadHash('not valid');
assert.isNotOk(element.$.cursor.initialLineNumber);
// Revision hash:
element._loadHash('234');
assert.equal(element.$.cursor.initialLineNumber, 234);
assert.equal(element.$.cursor.side, 'right');
// Base hash:
element._loadHash('b345');
assert.equal(element.$.cursor.initialLineNumber, 345);
assert.equal(element.$.cursor.side, 'left');
// GWT-style base hash:
element._loadHash('a123');
assert.equal(element.$.cursor.initialLineNumber, 123);
assert.equal(element.$.cursor.side, 'left');
});
test('_shortenPath with long path should add ellipsis', function() {
var path =
'level1/level2/level3/level4/file.js';
var shortenedPath = util.truncatePath(path);
// The expected path is truncated with an ellipsis.
var expectedPath = '\u2026/file.js';
assert.equal(shortenedPath, expectedPath);
var path = 'level2/file.js';
var shortenedPath = util.truncatePath(path);
assert.equal(shortenedPath, expectedPath);
});
test('_shortenPath with short path should not add ellipsis', function() {
var path = 'file.js';
var expectedPath = 'file.js';
var shortenedPath = util.truncatePath(path);
assert.equal(shortenedPath, expectedPath);
});
test('_onLineSelected', function() {
var replaceStateStub = sandbox.stub(history, 'replaceState');
var moveStub = sandbox.stub(element.$.cursor, 'moveToLineNumber');
var e = {};
var detail = {number: 123, side: 'right'};
element._onLineSelected(e, detail);
assert.isTrue(moveStub.called);
assert.equal(moveStub.lastCall.args[0], detail.number);
assert.equal(moveStub.lastCall.args[1], detail.side);
assert.isTrue(replaceStateStub.called);
});
test('_getDiffURL encodes special characters', function() {
var changeNum = 123;
var patchRange = {basePatchNum: 123, patchNum: 456};
var path = 'c++/cpp.cpp';
assert.equal(element._getDiffURL(changeNum, patchRange, path),
'/c/123/123..456/c%252B%252B/cpp.cpp');
});
test('_getDiffViewMode', function() {
// No user prefs or change view state set.
assert.equal(element._getDiffViewMode(), 'SIDE_BY_SIDE');
// User prefs but no change view state set.
element._userPrefs = {default_diff_view: 'UNIFIED_DIFF'};
assert.equal(element._getDiffViewMode(), 'UNIFIED_DIFF');
// User prefs and change view state set.
element.changeViewState = {diffMode: 'SIDE_BY_SIDE'};
assert.equal(element._getDiffViewMode(), 'SIDE_BY_SIDE');
});
suite('_loadCommentMap', function() {
test('empty', function(done) {
stub('gr-rest-api-interface', {
getDiffRobotComments: function() { return Promise.resolve({}); },
getDiffComments: function() { return Promise.resolve({}); },
});
element._loadCommentMap().then(function(map) {
assert.equal(Object.keys(map).length, 0);
done();
});
});
test('paths in patch range', function(done) {
stub('gr-rest-api-interface', {
getDiffRobotComments: function() { return Promise.resolve({}); },
getDiffComments: function() {
return Promise.resolve({
'path/to/file/one.cpp': [{patch_set: 3, message: 'lorem'}],
'path-to/file/two.py': [{patch_set: 5, message: 'ipsum'}],
});
},
});
element._changeNum = '42';
element._patchRange = {
basePatchNum: '3',
patchNum: '5',
};
element._loadCommentMap().then(function(map) {
assert.deepEqual(Object.keys(map),
['path/to/file/one.cpp', 'path-to/file/two.py']);
done();
});
});
test('empty for paths outside patch range', function(done) {
stub('gr-rest-api-interface', {
getDiffRobotComments: function() { return Promise.resolve({}); },
getDiffComments: function() {
return Promise.resolve({
'path/to/file/one.cpp': [{patch_set: 'PARENT', message: 'lorem'}],
'path-to/file/two.py': [{patch_set: 2, message: 'ipsum'}],
});
},
});
element._changeNum = '42';
element._patchRange = {
basePatchNum: '3',
patchNum: '5',
};
element._loadCommentMap().then(function(map) {
assert.equal(Object.keys(map).length, 0);
done();
});
});
});
suite('_computeCommentSkips', function() {
test('empty file list', function() {
var commentMap = {
'path/one.jpg': true,
'path/three.wav': true,
};
var path = 'path/two.m4v';
var fileList = [];
var result = element._computeCommentSkips(commentMap, fileList, path);
assert.isNull(result.previous);
assert.isNull(result.next);
});
test('finds skips', function() {
var fileList = ['path/one.jpg', 'path/two.m4v', 'path/three.wav'];
var path = fileList[1];
var commentMap = {};
commentMap[fileList[0]] = true;
commentMap[fileList[1]] = false;
commentMap[fileList[2]] = true;
var result = element._computeCommentSkips(commentMap, fileList, path);
assert.equal(result.previous, fileList[0]);
assert.equal(result.next, fileList[2]);
commentMap[fileList[1]] = true;
result = element._computeCommentSkips(commentMap, fileList, path);
assert.equal(result.previous, fileList[0]);
assert.equal(result.next, fileList[2]);
path = fileList[0];
result = element._computeCommentSkips(commentMap, fileList, path);
assert.isNull(result.previous);
assert.equal(result.next, fileList[1]);
path = fileList[2];
result = element._computeCommentSkips(commentMap, fileList, path);
assert.equal(result.previous, fileList[1]);
assert.isNull(result.next);
});
});
});
</script>