blob: af921e4640f771cf266b85214a9faa6a7a68f4ee [file] [log] [blame]
/**
* @license
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import '../../../test/common-test-setup';
import './gr-diff-highlight';
import {_getTextOffset} from './gr-range-normalizer';
import {fixture, fixtureCleanup, html, assert} from '@open-wc/testing';
import {
GrDiffHighlight,
DiffBuilderInterface,
CreateRangeCommentEventDetail,
} from './gr-diff-highlight';
import {Side} from '../../../api/diff';
import {SinonStubbedMember} from 'sinon';
import {queryAndAssert} from '../../../utils/common-util';
import {GrDiffThreadElement} from '../gr-diff/gr-diff-utils';
import {
stubElement,
waitQueryAndAssert,
waitUntil,
} from '../../../test/test-utils';
import {GrSelectionActionBox} from '../gr-selection-action-box/gr-selection-action-box';
// Splitting long lines in html into shorter rows breaks tests:
// zero-length text nodes and new lines are not expected in some places
/* eslint-disable max-len, lit/prefer-static-styles */
/* prettier-ignore */
const diffTable = html`
<table id="diffTable">
<tbody class="section both">
<tr class="diff-row side-by-side" left-type="both" right-type="both">
<td class="left lineNum" data-value="1"></td>
<td class="content both"><div class="contentText">[1] Nam cum ad me in Cumanum salutandi causa uterque venisset,</div></td>
<td class="right lineNum" data-value="1"></td>
<td class="content both"><div class="contentText">[1] Nam cum ad me in Cumanum salutandi causa uterque</div></td>
</tr>
</tbody>
<tbody class="section delta">
<tr class="diff-row side-by-side" left-type="remove" right-type="add">
<td class="left lineNum" data-value="2"></td>
<!-- Next tag is formatted to eliminate zero-length text nodes. -->
<td class="content remove"><div class="contentText">na💢ti <hl class="foo range generated_id314">te, inquit</hl>, sumus<hl class="bar">aliquando</hl> otiosum, <hl>certe</hl> a<hl><span class="tab-indicator" style="tab-size:8;"> </span></hl>udiam, <hl>quid</hl> sit,<span class="tab-indicator" style="tab-size:8;"> </span>quod<hl>Epicurum</hl></div></td>
<td class="right lineNum" data-value="2"></td>
<!-- Next tag is formatted to eliminate zero-length text nodes. -->
<td class="content add"><div class="contentText">nacti , <hl>,</hl> sumus<hl><span class="tab-indicator" style="tab-size:8;"> </span></hl>otiosum,<span class="tab-indicator" style="tab-size:8;"> </span> audiam,sit, quod</div></td>
</tr>
</tbody>
<tbody class="section both">
<tr class="diff-row side-by-side" left-type="both" right-type="both">
<td class="left lineNum" data-value="138"></td>
<td class="content both"><div class="contentText">[14] Nam cum ad me in Cumanum salutandi causa uterque venisset,</div></td>
<td class="right lineNum" data-value="119"></td>
<td class="content both"><div class="contentText">[14] Nam cum ad me in Cumanum salutandi causa uterque venisset,</div></td>
</tr>
</tbody>
<tbody class="section delta">
<tr class="diff-row side-by-side" left-type="remove" right-type="add">
<td class="left lineNum" data-value="140"></td>
<!-- Next tag is formatted to eliminate zero-length text nodes. -->
<td class="content remove"><div class="contentText">na💢ti <hl class="foo">te, inquit</hl>, sumus <hl class="bar">aliquando</hl> otiosum, <hl>certe</hl> a <hl><span class="tab-indicator" style="tab-size:8;">\u0009</span></hl>udiam, <hl>quid</hl> sit, <span class="tab-indicator" style="tab-size:8;">\u0009</span>quod <hl>Epicurum</hl></div><div class="comment-thread">
[Yet another random diff thread content here]
</div></td>
<td class="right lineNum" data-value="120"></td>
<!-- Next tag is formatted to eliminate zero-length text nodes. -->
<td class="content add"><div class="contentText">nacti , <hl>,</hl> sumus <hl><span class="tab-indicator" style="tab-size:8;">\u0009</span></hl> otiosum, <span class="tab-indicator" style="tab-size:8;">\u0009</span> audiam, sit, quod</div></td>
</tr>
</tbody>
<tbody class="section both">
<tr class="diff-row side-by-side" left-type="both" right-type="both">
<td class="left lineNum" data-value="141"></td>
<td class="content both"><div class="contentText">nam et<hl><span class="tab-indicator" style="tab-size:8;"> </span></hl>complectitur<span class="tab-indicator" style="tab-size:8;"></span>verbis, quod vult, et dicit plane, quod intellegam;</div></td>
<td class="right lineNum" data-value="130"></td>
<td class="content both"><div class="contentText">nam et complectitur verbis, quod vult, et dicit plane, quodintellegam;</div></td>
</tr>
</tbody>
<tbody class="section contextControl">
<tr
class="diff-row side-by-side"
left-type="contextControl"
right-type="contextControl"
>
<td class="left contextLineNum"></td>
<td>
<gr-button>+10↑</gr-button>
-
<gr-button>Show 21 common lines</gr-button>
-
<gr-button>+10↓</gr-button>
</td>
<td class="right contextLineNum"></td>
<td>
<gr-button>+10↑</gr-button>
-
<gr-button>Show 21 common lines</gr-button>
-
<gr-button>+10↓</gr-button>
</td>
</tr>
</tbody>
<tbody class="section delta total">
<tr class="diff-row side-by-side" left-type="blank" right-type="add">
<td class="left"></td>
<td class="blank"></td>
<td class="right lineNum" data-value="146"></td>
<td class="content add"><div class="contentText">[17] Quid igitur est? inquit; audire enim cupio, quid non probes. Principio, inquam,</div></td>
</tr>
</tbody>
<tbody class="section both">
<tr class="diff-row side-by-side" left-type="both" right-type="both">
<td class="left lineNum" data-value="165"></td>
<td class="content both"><div class="contentText"></div></td>
<td class="right lineNum" data-value="147"></td>
<td class="content both"><div class="contentText">in physicis, <hl><span class="tab-indicator" style="tab-size:8;"> </span></hl>quibus maxime gloriatur, primum totus est alienus. Democritea dicit</div></td>
</tr>
</tbody>
</table>
`;
/* eslint-enable max-len */
suite('gr-diff-highlight', () => {
suite('comment events', () => {
let threadEl: GrDiffThreadElement;
let hlRange: HTMLElement;
let element: GrDiffHighlight;
let diff: HTMLElement;
let builder: {
getContentTdByLineEl: SinonStubbedMember<
DiffBuilderInterface['getContentTdByLineEl']
>;
};
setup(async () => {
diff = await fixture<HTMLTableElement>(diffTable);
builder = {
getContentTdByLineEl: sinon.stub(),
};
element = new GrDiffHighlight();
element.init(diff, builder);
hlRange = queryAndAssert(diff, 'hl.range.generated_id314');
threadEl = document.createElement(
'div'
) as unknown as GrDiffThreadElement;
threadEl.className = 'comment-thread';
threadEl.rootId = 'id314';
diff.appendChild(threadEl);
});
teardown(() => {
element.cleanup();
threadEl.remove();
});
test('comment-thread-mouseenter toggles rangeHoverHighlight class', async () => {
assert.isFalse(hlRange.classList.contains('rangeHoverHighlight'));
threadEl.dispatchEvent(
new CustomEvent('comment-thread-mouseenter', {
bubbles: true,
composed: true,
})
);
await waitUntil(() => hlRange.classList.contains('rangeHoverHighlight'));
assert.isTrue(hlRange.classList.contains('rangeHoverHighlight'));
});
test('comment-thread-mouseleave toggles rangeHoverHighlight class', async () => {
hlRange.classList.add('rangeHoverHighlight');
threadEl.dispatchEvent(
new CustomEvent('comment-thread-mouseleave', {
bubbles: true,
composed: true,
})
);
await waitUntil(() => !hlRange.classList.contains('rangeHoverHighlight'));
assert.isFalse(hlRange.classList.contains('rangeHoverHighlight'));
});
test(`create-range-comment for range when create-comment-requested
is fired`, () => {
const removeActionBoxStub = sinon.stub(element, 'removeActionBox');
element.selectedRange = {
side: Side.LEFT,
range: {
start_line: 7,
start_character: 11,
end_line: 24,
end_character: 42,
},
};
const requestEvent = new CustomEvent('create-comment-requested');
let createRangeEvent: CustomEvent<CreateRangeCommentEventDetail>;
diff.addEventListener('create-range-comment', e => {
createRangeEvent = e;
});
diff.dispatchEvent(requestEvent);
if (!createRangeEvent!) assert.fail('event not set');
assert.deepEqual(element.selectedRange, createRangeEvent.detail);
assert.isTrue(removeActionBoxStub.called);
});
});
suite('selection', () => {
let element: GrDiffHighlight;
let diff: HTMLElement;
let builder: {
getContentTdByLineEl: SinonStubbedMember<
DiffBuilderInterface['getContentTdByLineEl']
>;
};
let contentStubs;
setup(async () => {
diff = await fixture<HTMLTableElement>(diffTable);
builder = {
getContentTdByLineEl: sinon.stub(),
};
element = new GrDiffHighlight();
element.init(diff, builder);
contentStubs = [];
stubElement('gr-selection-action-box', 'placeAbove');
stubElement('gr-selection-action-box', 'placeBelow');
});
teardown(() => {
fixtureCleanup();
element.cleanup();
contentStubs = null;
document.getSelection()!.removeAllRanges();
});
const stubContent = (line: number, side: Side) => {
const contentTd = diff.querySelector(
`.${side}.lineNum[data-value="${line}"] ~ .content`
);
if (!contentTd) assert.fail('content td not found');
const contentText = contentTd.querySelector('.contentText');
const lineEl =
diff.querySelector(`.${side}.lineNum[data-value="${line}"]`) ??
undefined;
contentStubs.push({
lineEl,
contentTd,
contentText,
});
builder.getContentTdByLineEl.withArgs(lineEl).returns(contentTd);
return contentText;
};
const emulateSelection = (
startNode: Node,
startOffset: number,
endNode: Node,
endOffset: number
) => {
const selection = document.getSelection();
if (!selection) assert.fail('no selection');
selection.removeAllRanges();
const range = document.createRange();
range.setStart(startNode, startOffset);
range.setEnd(endNode, endOffset);
selection.addRange(range);
element.handleSelection(selection, false);
};
test('single first line', () => {
const content = stubContent(1, Side.RIGHT);
sinon.spy(element, 'positionActionBox');
if (!content?.firstChild) assert.fail('content first child not found');
emulateSelection(content.firstChild, 5, content.firstChild, 12);
const actionBox = diff.querySelector('gr-selection-action-box');
if (!actionBox) assert.fail('action box not found');
assert.isTrue(actionBox.positionBelow);
});
test('multiline starting on first line', () => {
const startContent = stubContent(1, Side.RIGHT);
const endContent = stubContent(2, Side.RIGHT);
sinon.spy(element, 'positionActionBox');
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent?.lastChild) {
assert.fail('last child of end content not found');
}
emulateSelection(startContent.firstChild, 10, endContent.lastChild, 7);
const actionBox = diff.querySelector('gr-selection-action-box');
if (!actionBox) assert.fail('action box not found');
assert.isTrue(actionBox.positionBelow);
});
test('single line', async () => {
const content = stubContent(138, Side.LEFT);
sinon.spy(element, 'positionActionBox');
if (!content?.firstChild) assert.fail('content first child not found');
emulateSelection(content.firstChild, 5, content.firstChild, 12);
const actionBox = await waitQueryAndAssert<GrSelectionActionBox>(
diff,
'gr-selection-action-box'
);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 138,
start_character: 5,
end_line: 138,
end_character: 12,
});
assert.equal(side, Side.LEFT);
assert.notOk(actionBox.positionBelow);
});
test('multiline', () => {
const startContent = stubContent(119, Side.RIGHT);
const endContent = stubContent(120, Side.RIGHT);
sinon.spy(element, 'positionActionBox');
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent?.lastChild) {
assert.fail('last child of end content');
}
emulateSelection(startContent.firstChild, 10, endContent.lastChild, 7);
const actionBox = diff.querySelector('gr-selection-action-box');
if (!actionBox) assert.fail('action box not found');
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 119,
start_character: 10,
end_line: 120,
end_character: 36,
});
assert.equal(side, Side.RIGHT);
assert.notOk(actionBox.positionBelow);
});
test('multiple ranges aka firefox implementation', () => {
const startContent = stubContent(119, Side.RIGHT);
const endContent = stubContent(120, Side.RIGHT);
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent?.lastChild) {
assert.fail('last child of end content');
}
const startRange = document.createRange();
startRange.setStart(startContent.firstChild, 10);
startRange.setEnd(startContent.firstChild, 11);
const endRange = document.createRange();
endRange.setStart(endContent.lastChild, 6);
endRange.setEnd(endContent.lastChild, 7);
const getRangeAtStub = sinon.stub();
getRangeAtStub
.onFirstCall()
.returns(startRange)
.onSecondCall()
.returns(endRange);
const selection = {
rangeCount: 2,
getRangeAt: getRangeAtStub,
removeAllRanges: sinon.stub(),
} as unknown as Selection;
element.handleSelection(selection, false);
if (!element.selectedRange) assert.fail('no range selected');
const {range} = element.selectedRange;
assert.deepEqual(range, {
start_line: 119,
start_character: 10,
end_line: 120,
end_character: 36,
});
});
test('multiline grow end highlight over tabs', () => {
const startContent = stubContent(119, Side.RIGHT);
const endContent = stubContent(120, Side.RIGHT);
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent?.firstChild) {
assert.fail('first child of end content not found');
}
emulateSelection(startContent.firstChild, 10, endContent.firstChild, 2);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 119,
start_character: 10,
end_line: 120,
end_character: 2,
});
assert.equal(side, Side.RIGHT);
});
test('collapsed', () => {
const content = stubContent(138, Side.LEFT);
if (!content?.firstChild) {
assert.fail('first child of content not found');
}
emulateSelection(content.firstChild, 5, content.firstChild, 5);
const sel = document.getSelection();
if (!sel) assert.fail('no selection');
assert.isOk(sel.getRangeAt(0).startContainer);
assert.isFalse(!!element.selectedRange);
});
test('starts inside hl', () => {
const content = stubContent(140, Side.LEFT);
if (!content) {
assert.fail('content not found');
}
const hl = content.querySelector('.foo');
if (!hl?.firstChild) {
assert.fail('first child of hl element not found');
}
if (!hl?.nextSibling) {
assert.fail('next sibling of hl element not found');
}
emulateSelection(hl.firstChild, 2, hl.nextSibling, 7);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 8,
end_line: 140,
end_character: 23,
});
assert.equal(side, Side.LEFT);
});
test('ends inside hl', () => {
const content = stubContent(140, Side.LEFT);
if (!content) assert.fail('content not found');
const hl = content.querySelector('.bar');
if (!hl) assert.fail('hl inside content not found');
if (!hl.previousSibling) assert.fail('previous sibling not found');
if (!hl.firstChild) assert.fail('first child not found');
emulateSelection(hl.previousSibling, 2, hl.firstChild, 3);
if (!element.selectedRange) assert.fail('no range selected');
const {range} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 18,
end_line: 140,
end_character: 27,
});
});
test('multiple hl', () => {
const content = stubContent(140, Side.LEFT);
if (!content) assert.fail('content not found');
if (!content.firstChild) assert.fail('first child not found');
const hl = content.querySelectorAll('hl')[4];
if (!hl) assert.fail('hl not found');
if (!hl.firstChild) assert.fail('first child of hl not found');
emulateSelection(content.firstChild, 2, hl.firstChild, 2);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 2,
end_line: 140,
end_character: 61,
});
assert.equal(side, Side.LEFT);
});
test('starts outside of diff', () => {
const contentText = stubContent(140, Side.LEFT);
if (!contentText) assert.fail('content not found');
if (!contentText.firstChild) assert.fail('child not found');
const contentTd = contentText.parentElement;
if (!contentTd) assert.fail('content td not found');
if (!contentTd.parentElement) assert.fail('parent of td not found');
emulateSelection(contentTd.parentElement, 0, contentText.firstChild, 2);
assert.isFalse(!!element.selectedRange);
});
test('ends outside of diff', () => {
const content = stubContent(140, Side.LEFT);
if (!content) assert.fail('content not found');
if (!content.firstChild) assert.fail('child not found');
if (!content.nextElementSibling) assert.fail('sibling not found');
if (!content.nextElementSibling.firstChild) {
assert.fail('sibling child not found');
}
emulateSelection(
content.nextElementSibling.firstChild,
2,
content.firstChild,
2
);
assert.isFalse(!!element.selectedRange);
});
test('starts and ends on different sides', () => {
const startContent = stubContent(140, Side.LEFT);
const endContent = stubContent(130, Side.RIGHT);
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent?.firstChild) {
assert.fail('first child of end content not found');
}
emulateSelection(startContent.firstChild, 2, endContent.firstChild, 2);
assert.isFalse(!!element.selectedRange);
});
test('starts in comment thread element', () => {
const startContent = stubContent(140, Side.LEFT);
if (!startContent?.parentElement) {
assert.fail('parent el of start content not found');
}
const comment =
startContent.parentElement.querySelector('.comment-thread');
if (!comment?.firstChild) {
assert.fail('first child of comment not found');
}
const endContent = stubContent(141, Side.LEFT);
if (!endContent?.firstChild) {
assert.fail('first child of end content not found');
}
emulateSelection(comment.firstChild, 2, endContent.firstChild, 4);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 83,
end_line: 141,
end_character: 4,
});
assert.equal(side, Side.LEFT);
});
test('ends in comment thread element', () => {
const content = stubContent(140, Side.LEFT);
if (!content?.firstChild) {
assert.fail('first child of content not found');
}
if (!content?.parentElement) {
assert.fail('parent element of content not found');
}
const comment = content.parentElement.querySelector('.comment-thread');
if (!comment?.firstChild) {
assert.fail('first child of comment element not found');
}
emulateSelection(content.firstChild, 4, comment.firstChild, 1);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 4,
end_line: 140,
end_character: 83,
});
assert.equal(side, Side.LEFT);
});
test('starts in context element', () => {
const contextControl = diff
.querySelector('.contextControl')!
.querySelector('gr-button');
if (!contextControl) assert.fail('context control not found');
const content = stubContent(146, Side.RIGHT);
if (!content) assert.fail('content not found');
if (!content.firstChild) assert.fail('content child not found');
emulateSelection(contextControl, 0, content.firstChild, 7);
// TODO (viktard): Select nearest line.
assert.isFalse(!!element.selectedRange);
});
test('ends in context element', () => {
const contextControl = diff
.querySelector('.contextControl')!
.querySelector('gr-button');
if (!contextControl) {
assert.fail('context control element not found');
}
const content = stubContent(141, Side.LEFT);
if (!content?.firstChild) {
assert.fail('first child of content element not found');
}
emulateSelection(content.firstChild, 2, contextControl, 1);
// TODO (viktard): Select nearest line.
assert.isFalse(!!element.selectedRange);
});
test('selection containing context element', () => {
const startContent = stubContent(130, Side.RIGHT);
const endContent = stubContent(146, Side.RIGHT);
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent?.firstChild) {
assert.fail('first child of end content not found');
}
emulateSelection(startContent.firstChild, 3, endContent.firstChild, 14);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 130,
start_character: 3,
end_line: 146,
end_character: 14,
});
assert.equal(side, Side.RIGHT);
});
test('ends at a tab', () => {
const content = stubContent(140, Side.LEFT);
if (!content?.firstChild) {
assert.fail('first child of content element not found');
}
const span = content.querySelector('span');
if (!span) assert.fail('span element not found');
emulateSelection(content.firstChild, 1, span, 0);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 1,
end_line: 140,
end_character: 51,
});
assert.equal(side, Side.LEFT);
});
test('starts at a tab', () => {
const content = stubContent(140, Side.LEFT);
if (!content) assert.fail('content element not found');
emulateSelection(
content.querySelectorAll('hl')[3],
0,
content.querySelectorAll('span')[1].nextSibling!,
1
);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 51,
end_line: 140,
end_character: 71,
});
assert.equal(side, Side.LEFT);
});
test('properly accounts for syntax highlighting', () => {
const content = stubContent(140, Side.LEFT);
if (!content) assert.fail('content element not found');
emulateSelection(
content.querySelectorAll('hl')[3],
0,
content.querySelectorAll('span')[1],
0
);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 140,
start_character: 51,
end_line: 140,
end_character: 69,
});
assert.equal(side, Side.LEFT);
});
test('GrRangeNormalizer.getTextOffset computes text offset', () => {
let content = stubContent(140, Side.LEFT);
if (!content) assert.fail('content element not found');
if (!content.lastChild) assert.fail('last child of content not found');
let child = content.lastChild.lastChild;
if (!child) assert.fail('last child of last child of content not found');
let result = _getTextOffset(content, child);
assert.equal(result, 75);
content = stubContent(146, Side.RIGHT);
if (!content) assert.fail('content element not found');
child = content.lastChild;
if (!child) assert.fail('child element not found');
result = _getTextOffset(content, child);
assert.equal(result, 0);
});
test('fixTripleClickSelection', () => {
const startContent = stubContent(119, Side.RIGHT);
const endContent = stubContent(120, Side.RIGHT);
if (!startContent?.firstChild) {
assert.fail('first child of start content not found');
}
if (!endContent) assert.fail('end content not found');
if (!endContent.firstChild) assert.fail('first child not found');
emulateSelection(startContent.firstChild, 0, endContent.firstChild, 0);
if (!element.selectedRange) assert.fail('no range selected');
const {range, side} = element.selectedRange;
assert.deepEqual(range, {
start_line: 119,
start_character: 0,
end_line: 119,
end_character: element.getLength(startContent),
});
assert.equal(side, Side.RIGHT);
});
});
});